rfid
This commit is contained in:
Sam
parent
aeed45cc70
commit
ff94cff820
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After Width: | Height: | Size: 84 KiB |
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@ -34,8 +34,8 @@
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Press "P" to show/hide the control panel
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</p>
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<br>
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<p>Degrees Per Second</p>
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<input type="text" id="inputDegPerSec" value="5" onchange="ChangeDegPerSec(this.value)">
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<p>Speed</p>
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<input type="text" id="inputDegPerSec" value="10" onchange="ChangeDegPerSec(this.value)">
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<br>
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<p>Controls</p>
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<div class="controls">
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@ -3,15 +3,11 @@ async function fetchConfig(className) {
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const config = {
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PolyTwistColourWidth: [
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{ type: "range", min: 3, max: 10, defaultValue: 5, property: "sides" },
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{ type: "range", min: 1, max: 600, defaultValue: 400, property: "width" },
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{ type: "range", min: 400, max: 400, defaultValue: 400, property: "width" },
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{ type: "range", min: 2, max: 5, defaultValue: 5, property: "line_width" },
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{ type: "range", min: 1, max: 100, defaultValue: 50, property: "depth" },
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{
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type: "range",
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min: -180,
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max: 180,
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defaultValue: -90,
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property: "rotation",
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},
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{ type: "range", min: -180, max: 180, defaultValue: -90, property: "rotation", },
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{ type: "range", min: 1, max: 500, defaultValue: 100, property: "speedMultiplier", },
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{ type: "color", defaultValue: "#4287f5", property: "colour1" },
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{ type: "color", defaultValue: "#42f57b", property: "colour2" },
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],
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@ -219,7 +215,7 @@ function drawEyelidAccident(x1, y1) {
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ctx.stroke();
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}
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function DrawPolygon(sides, width, rotation, colour) {
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function DrawPolygon(sides, width, rotation, colour,line_width) {
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ctx.beginPath();
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ctx.moveTo(
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centerX + width * Math.cos((rotation * Math.PI) / 180),
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@ -229,14 +225,14 @@ function DrawPolygon(sides, width, rotation, colour) {
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for (var i = 1; i <= sides; i += 1) {
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ctx.lineTo(
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centerX +
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width *
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Math.cos((i * 2 * Math.PI) / sides + (rotation * Math.PI) / 180),
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width *
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Math.cos((i * 2 * Math.PI) / sides + (rotation * Math.PI) / 180),
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centerY +
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width * Math.sin((i * 2 * Math.PI) / sides + (rotation * Math.PI) / 180)
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width * Math.sin((i * 2 * Math.PI) / sides + (rotation * Math.PI) / 180)
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);
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}
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ctx.strokeStyle = colour;
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ctx.lineWidth = 3;
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ctx.lineWidth = line_width;
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ctx.stroke();
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}
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@ -7,7 +7,7 @@ centerX = ctx.canvas.width / 2;
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centerY = ctx.canvas.height / 2;
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let deg_per_sec = 5;
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let deg_per_sec = 10;
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let targetFps = 60;
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let frameDuration = 1000 / targetFps;
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@ -39,6 +39,8 @@ function createInstance(className, args) {
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}
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}
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async function updateDrawObj() {
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const shapeSelector = document.getElementById("shape-selector");
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const selectedShape = shapeSelector.value;
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@ -52,6 +54,9 @@ async function updateDrawObj() {
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.map((item) => item.defaultValue);
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drawObj = createInstance(selectedShape, defaultValues);
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// drawObj = await createShapeWithRandomProperties(813311281, config1);
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console.log(drawObj)
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drawObj.initialise(config);
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}
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@ -1,6 +1,7 @@
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class BaseShape {
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constructor() {
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this.controls = []; // Keep track of created elements and event listeners
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this.speedMultiplier = 100;
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}
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initialise(config) {
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@ -8,6 +9,9 @@ class BaseShape {
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const { element, listener } = addControl(item, this);
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this.controls.push({ element, listener });
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}
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const { element, listener } = addControl({ type: "range", min: 1, max: 500, defaultValue: 100, property: "speedMultiplier", }, this);
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this.controls.push({ element, listener });
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}
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remove() {
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@ -30,20 +34,23 @@ class BaseShape {
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}
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class PolyTwistColourWidth extends BaseShape {
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constructor(sides, width, depth, rotation, colour1, colour2) {
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constructor(sides, width,line_width, depth, rotation, speedMultiplier,colour1, colour2) {
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super();
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this.sides = sides;
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this.width = width;
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this.line_width = line_width;
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this.depth = depth;
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this.rotation = rotation;
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this.speedMultiplier = speedMultiplier;
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this.colour1 = colour1;
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this.colour2 = colour2;
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}
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draw(innerRotation) {
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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let out_angle = 0;
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const innerAngle = 180 - ((this.sides - 2) * 180) / this.sides;
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const scopeAngle = innerRotation - (innerAngle * Math.floor(innerRotation / innerAngle));
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const scopeAngle = rotation - (innerAngle * Math.floor(rotation / innerAngle));
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if (scopeAngle < innerAngle / 2) {
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out_angle = innerAngle / (2 * Math.cos((2 * Math.PI * scopeAngle) / (3 * innerAngle))) - innerAngle / 2;
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@ -57,7 +64,7 @@ class PolyTwistColourWidth extends BaseShape {
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for (let i = 0; i < this.depth; i++) {
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const fraction = i / this.depth;
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const ncolour = LerpHex(this.colour1, this.colour2, fraction);
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DrawPolygon(this.sides, this.width * widthMultiplier ** i, out_angle * i + this.rotation, ncolour);
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DrawPolygon(this.sides, this.width * widthMultiplier ** i, out_angle * i + this.rotation, ncolour,this.line_width);
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}
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}
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}
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@ -68,19 +75,22 @@ class FloralPhyllo extends BaseShape {
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this.depth = depth;
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this.colour1 = colour1;
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this.colour2 = colour2;
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this.speedMultiplier = 500;
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}
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draw(angle) {
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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// var c = 24; //something to do with width. but not width
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var c = 1; //something to do with width. but not width
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//dont make larger than 270 unless altering the number of colours in lerpedColours
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for (let n = 200; n > 0; n -= 1) {
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const a = n * angle / 1000; //137.5;
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// let ncolour = LerpHex(this.colour1, this.colour2, n);
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const a = n * rotation / 1000; //137.5;
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const r = c * Math.sqrt(n);
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const x = r * Math.cos(a) + centerX;
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const y = r * Math.sin(a) + centerY;
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drawEyelid(n * 2.4 + 40, x, y, this.colour1);
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drawEyelid(n * 2.4 + 40, x, y, ncolour);
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}
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}
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}
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@ -93,6 +103,7 @@ class Spiral1 extends BaseShape {
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}
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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var rot = Math.round((this.sides - 2) * 180 / this.sides * 2)
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var piv = 360 / this.sides;
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var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
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@ -129,6 +140,7 @@ class FloralAccident extends BaseShape {
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}
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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var rot = Math.round((this.sides - 2) * 180 / this.sides * 2)
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var piv = 360 / this.sides;
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var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
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@ -164,13 +176,13 @@ class FloralPhyllo_Accident extends BaseShape {
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this.colour2 = colour2;
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}
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draw(angle) {
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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var c = 24; //something to do with width. but not width
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for (let n = 0; n < 300; n += 1) {
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let ncolour = LerpHex(this.colour1, this.colour2, Math.cos(rad(n / 2)));
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let a = n * (angle / 1000 + 100); //137.5;
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let a = n * (rotation / 1000 + 100); //137.5;
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let r = c * Math.sqrt(n);
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let x = r * Math.cos(a) + centerX;
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let y = r * Math.sin(a) + centerY;
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@ -191,9 +203,10 @@ class Nodal_expanding extends BaseShape {
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this.colour_change = colour_change
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}
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draw(step) {
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let colour_change = this.colour_change / 10
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var angle = 360 / this.points * step
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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let colour_change = this.colour_change / 8
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var angle = 360 / this.points * rotation
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var start_angle = angle;
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var done = false;
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@ -209,6 +222,7 @@ class Nodal_expanding extends BaseShape {
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length += this.expand;
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ctx.lineWidth = this.line_width;//try 1
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ctx.strokeStyle = ncolour;
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ctx.lineCap = "round"
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// ctx.strokeStyle = colourToText(ncolour);
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console.log(ncolour)
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ctx.stroke();
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@ -227,14 +241,15 @@ class Nodal extends BaseShape {
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this.colour = colour;
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}
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// Draw_nodal(300, 100, 31, rotation, "blue");
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draw(rotate) {
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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// console.log(rotate)
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var angle = 360 / this.points * this.step
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ctx.beginPath();
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var start_angle = angle;
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var done = false;
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var total_moves = 1;
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ctx.moveTo(centerX + (Math.cos(rad(angle + rotate)) * this.width), centerY + (Math.sin(rad(angle + rotate)) * this.width));
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ctx.moveTo(centerX + (Math.cos(rad(angle + rotation)) * this.width), centerY + (Math.sin(rad(angle + rotation)) * this.width));
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while (done != true) {
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if ((total_moves * this.step) % this.points != 0) {
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@ -246,7 +261,7 @@ class Nodal extends BaseShape {
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}
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}
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for (let z = 1; z <= total_moves; z++) {
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ctx.lineTo(centerX + (Math.cos(rad(angle * z + rotate)) * this.width), centerY + (Math.sin(rad(angle * z + rotate)) * this.width));
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ctx.lineTo(centerX + (Math.cos(rad(angle * z + rotation)) * this.width), centerY + (Math.sin(rad(angle * z + rotation)) * this.width));
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}
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ctx.lineWidth = this.line_width;//try 1
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ctx.strokeStyle = this.colour;
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@ -263,12 +278,12 @@ class Phyllotaxis extends BaseShape {
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this.colour2 = colour2;
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}
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// Draw_nodal(300, 100, 31, rotation, "blue");
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draw(angle) {
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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for (let n = 0; n < this.nMax; n += 1) {
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const ncolour = LerpHex(this.colour1, this.colour2, n / this.nMax);
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// const ncolour = LerpHex(this.colour1, this.colour2, (n/this.nMax)**2);
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const a = n * (angle / 1000)//137.5;
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const a = n * (rotation / 1000)//137.5;
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const r = this.width * Math.sqrt(n);
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const x = r * Math.cos(a) + centerX;
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const y = r * Math.sin(a) + centerY;
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@ -302,12 +317,13 @@ class SquareTwist_angle extends BaseShape {
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ctx.restore();
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}
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// DrawSquareTwist_angle(400,0,rotation,"red")
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draw(innerRotation) {
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let out_angle = innerRotation;
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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let out_angle = rotation;
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let widthMultiplier = 1 / (2 * Math.sin(Math.PI / 180 * (130 - out_angle + 90 * Math.floor(out_angle / 90)))) + 0.5
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for (let i = 0; i < 25; i++) {
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this.drawSquare(innerRotation * i, this.width * widthMultiplier ** i, this.colour1)
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this.drawSquare(rotation * i, this.width * widthMultiplier ** i, this.colour1)
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}
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}
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@ -333,6 +349,7 @@ class rectangle_pattern1 extends BaseShape {
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}
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// Draw_rectangle_pattern1(rotation, squares, 200, "blue");
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draw(rotation) {
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rotation*=(this.speedMultiplier/100)
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for (let z = 0; z < 360; z += 360 / this.squares) {
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this.drawSquare(z + rotation, this.width, this.colour1);
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}
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@ -354,14 +371,15 @@ class EyePrototype extends BaseShape {
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];
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this.cooldown = 0;
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}
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drawEyelid(step) {
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drawEyelid(rotation) {
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rotation*=(this.speedMultiplier/100)
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ctx.lineWidth = 1;
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ctx.beginPath();
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ctx.moveTo(this.points[0][0], this.points[0][1]);
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ctx.quadraticCurveTo(250, 250 - step, this.points[1][0], this.points[0][1]);
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ctx.quadraticCurveTo(250, 250 - rotation, this.points[1][0], this.points[0][1]);
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ctx.moveTo(this.points[0][0], this.points[0][1]);
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ctx.quadraticCurveTo(250, 250 + step, this.points[1][0], this.points[0][1]);
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ctx.quadraticCurveTo(250, 250 + rotation, this.points[1][0], this.points[0][1]);
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ctx.stroke();
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}
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eyelidCut(step) {
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|
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@ -0,0 +1,16 @@
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{
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"PolyTwistColourWidth": [
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{ "type": "range", "min": 3, "max": 10, "defaultValue": 5, "property": "sides" },
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{ "type": "range", "min": 1, "max": 600, "defaultValue": 300, "property": "width" },
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{ "type": "range", "min": 1, "max": 100, "defaultValue": 50, "property": "depth" },
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{ "type": "range", "min": 0, "max": 360, "defaultValue": 180, "property": "rotation" },
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{ "type": "color", "defaultValue": "#4287f5", "property": "colour1" },
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{ "type": "color", "defaultValue": "#42f57b", "property": "colour2" }
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],
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"FloralPhyllo": [
|
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{ "type": "range", "min": 1, "max": 600, "defaultValue": 300, "property": "width" },
|
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{ "type": "range", "min": 1, "max": 100, "defaultValue": 50, "property": "depth" },
|
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{ "type": "color", "defaultValue": "#4287f5", "property": "colour1" },
|
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{ "type": "color", "defaultValue": "#4287f5", "property": "colour2" }
|
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]
|
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}
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|
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@ -0,0 +1,111 @@
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body {
|
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-webkit-box-sizing: border-box;
|
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/* Safari/Chrome, other WebKit */
|
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-moz-box-sizing: border-box;
|
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/* Firefox, other Gecko */
|
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box-sizing: border-box;
|
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/* Opera/IE 8+ */
|
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height: 100%
|
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}
|
||||
|
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p {
|
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margin: 0px;
|
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}
|
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canvas {
|
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position: absolute;
|
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}
|
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|
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#toolbar {
|
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display: flex;
|
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flex-flow: column;
|
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height: 100%;
|
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|
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position: absolute;
|
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padding: 0px 20px 0px 20px;
|
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width: 500px;
|
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height: 100vh;
|
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background-color: rgb(189, 189, 189);
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}
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|
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#custom {
|
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display: flex;
|
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flex-flow: column;
|
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height: 100%;
|
||||
|
||||
/* position: absolute; */
|
||||
padding: 0px 20px 0px 20px;
|
||||
/* width: 500px; */
|
||||
/* height: 100vh; */
|
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background-color: rgb(189, 189, 189);
|
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}
|
||||
|
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.button {
|
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display: block;
|
||||
position: absolute;
|
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right: 20px;
|
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z-index: 100;
|
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}
|
||||
|
||||
|
||||
.controls {
|
||||
display: flex;
|
||||
margin: 8px 0px;
|
||||
}
|
||||
|
||||
.controlFrameButton {
|
||||
width: 8%;
|
||||
}
|
||||
.controlPauseButton {
|
||||
width: 80%;
|
||||
margin: auto;
|
||||
}
|
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/* <!-- HTML !-->
|
||||
<button class="button-8" role="button">Button 8</button> */
|
||||
|
||||
/* CSS */
|
||||
.button-8 {
|
||||
background-color: #e1ecf4;
|
||||
border-radius: 3px;
|
||||
border: 1px solid #7aa7c7;
|
||||
box-shadow: rgba(255, 255, 255, .7) 0 1px 0 0 inset;
|
||||
box-sizing: border-box;
|
||||
color: #1f3f55;
|
||||
cursor: pointer;
|
||||
display: inline-block;
|
||||
/* font-family: -apple-system,system-ui,"Segoe UI","Liberation Sans",sans-serif; */
|
||||
font-size: 13px;
|
||||
font-weight: 400;
|
||||
line-height: 1.15385;
|
||||
/* margin: 0; */
|
||||
outline: none;
|
||||
padding: 8px .8em;
|
||||
position: relative;
|
||||
text-align: center;
|
||||
text-decoration: none;
|
||||
user-select: none;
|
||||
-webkit-user-select: none;
|
||||
touch-action: manipulation;
|
||||
vertical-align: baseline;
|
||||
white-space: nowrap;
|
||||
}
|
||||
|
||||
.button-8:hover,
|
||||
.button-8:focus {
|
||||
background-color: #b3d3ea;
|
||||
color: #2c5777;
|
||||
}
|
||||
|
||||
.button-8:focus {
|
||||
box-shadow: 0 0 0 4px rgba(0, 149, 255, .15);
|
||||
}
|
||||
|
||||
.button-8:active {
|
||||
background-color: #a0c7e4;
|
||||
box-shadow: none;
|
||||
color: #2c5777;
|
||||
}
|
||||
|
||||
.buttonReset{
|
||||
background-color: #f4e1e1;
|
||||
}
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
<!DOCTYPE html>
|
||||
<html>
|
||||
<!-- ahhh -->
|
||||
|
||||
<head>
|
||||
<title>Document</title>
|
||||
<link rel="stylesheet" href="./css/styles.css">
|
||||
</head>
|
||||
|
||||
<body style="margin:0;">
|
||||
<canvas id="myCanvas" style="display: block;box-sizing: border-box;"></canvas>
|
||||
<div id="toolbar">
|
||||
<br>
|
||||
<select id="shape-selector">
|
||||
<option value="PolyTwistColourWidth">PolyTwistColourWidth</option>
|
||||
<option value="FloralPhyllo">FloralPhyllo</option>
|
||||
<option value="FloralPhyllo_Accident">FloralPhyllo_Accident</option>
|
||||
<option value="Spiral1">Spiral1</option>
|
||||
<option value="FloralAccident">FloralAccident</option>
|
||||
<option value="Nodal_expanding">Nodal_expanding</option>
|
||||
<option value="Nodal">Nodal</option>
|
||||
<option value="Phyllotaxis">Phyllotaxis</option>
|
||||
<option value="SquareTwist_angle">SquareTwist_angle</option>
|
||||
<option value="rectangle_pattern1">rectangle_pattern1</option>
|
||||
<option value="EyePrototype">EyePrototype</option>
|
||||
</select>
|
||||
<div id="custom"></div>
|
||||
<br>
|
||||
<p>Controls:</p>
|
||||
<p>
|
||||
Press "Space" to pause and start the animation
|
||||
</p>
|
||||
<p>
|
||||
Press "P" to show/hide the control panel
|
||||
</p>
|
||||
<br>
|
||||
<p>Degrees Per Second</p>
|
||||
<input type="text" id="inputDegPerSec" value="5" onchange="ChangeDegPerSec(this.value)">
|
||||
<br>
|
||||
<p>Controls</p>
|
||||
<div class="controls">
|
||||
<button class="controlFrameButton button-8" onclick="BackwardFrame()"><</button>
|
||||
<button class="controlPauseButton button-8" id="pauseButton" onclick="TogglePause()">Play</button>
|
||||
<button class="controlFrameButton button-8" onclick="ForwardFrame()">></button>
|
||||
</div>
|
||||
<button class="buttonReset button-8" id="resetButton" onclick="Reset()">Reset Rotation</button>
|
||||
</div>
|
||||
<div>
|
||||
<button onclick="manualToggleSettings()" class="button">Show/hide</button>
|
||||
</div>
|
||||
</body>
|
||||
<script src="./js/helper.js" type="text/javascript"></script>
|
||||
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
|
||||
<script src="./js/math.js" type="text/javascript"></script>
|
||||
<script src="./js/objects.js" type="text/javascript"></script>
|
||||
<script src="./js/index.js"></script>
|
||||
|
||||
</html>
|
||||
|
|
@ -0,0 +1,284 @@
|
|||
async function fetchConfig(className) {
|
||||
// const config = await $.getJSON("config.json");
|
||||
const config = {
|
||||
PolyTwistColourWidth: [
|
||||
{ type: "range", min: 3, max: 10, defaultValue: 5, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 50, property: "depth" },
|
||||
{ type: "range", min: -180, max: 180, defaultValue: -90, property: "rotation" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#42f57b", property: "colour2" },
|
||||
],
|
||||
FloralPhyllo: [
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 300, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 50, property: "depth" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour2" },
|
||||
],
|
||||
Spiral1: [
|
||||
{ type: "range", min: 1, max: 50, defaultValue: 20, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 240, property: "width" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour" },
|
||||
],
|
||||
FloralAccident: [
|
||||
{ type: "range", min: 1, max: 50, defaultValue: 20, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 240, property: "width" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour" },
|
||||
],
|
||||
FloralPhyllo_Accident: [
|
||||
{ type: "range", min: 1, max: 50, defaultValue: 20, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 240, property: "width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#FC0362", property: "colour2" },
|
||||
],
|
||||
Nodal_expanding: [
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 5, property: "expand" },
|
||||
{ type: "range", min: 1, max: 100000, defaultValue: 100000, property: "points" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 3, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#FC0362", property: "colour2" },
|
||||
{ type: "range", min: 0, max: 10, defaultValue: 5, property: "colour_change" },
|
||||
],
|
||||
Nodal: [
|
||||
{ type: "range", min: 1, max: 1000, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 20, defaultValue: 10, property: "points" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 3, property: "line_width" },
|
||||
{ type: "range", min: 1, max: 20, defaultValue: 1, property: "step" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour" },
|
||||
],
|
||||
Phyllotaxis: [
|
||||
{ type: "range", min: 1, max: 40, defaultValue: 24, property: "width" },
|
||||
{ type: "range", min: 1, max: 1000, defaultValue: 300, property: "nMax" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#FC0362", property: "colour2" },
|
||||
],
|
||||
SquareTwist_angle: [
|
||||
{ type: "range", min: 1, max: 800, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 1, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
],
|
||||
rectangle_pattern1: [
|
||||
{ type: "range", min: 1, max: 800, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 10, property: "squares" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 1, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
],
|
||||
EyePrototype: [
|
||||
{ type: "range", min: 1, max: 800, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 10, property: "squares" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 1, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
],
|
||||
};
|
||||
return config[className];
|
||||
}
|
||||
|
||||
function addControl(item, instance) {
|
||||
// console.log(item);
|
||||
let parentDiv = document.getElementById("custom");
|
||||
|
||||
let title = document.createElement("p");
|
||||
title.innerText = item.property + ": " + item.defaultValue;
|
||||
title.id = "elText" + item.property;
|
||||
|
||||
let control = document.createElement("input");
|
||||
control.type = item.type;
|
||||
|
||||
if (item.type === "range") {
|
||||
control.min = item.min;
|
||||
control.max = item.max;
|
||||
}
|
||||
|
||||
control.value = item.defaultValue;
|
||||
control.className = "control";
|
||||
control.id = "el" + item.property;
|
||||
|
||||
const listener = (event) => {
|
||||
const newValue = event.target.value;
|
||||
instance[item.property] =
|
||||
item.type === "range" ? parseInt(newValue, 10) : newValue;
|
||||
|
||||
title.innerText = item.property + ": " + newValue;
|
||||
};
|
||||
|
||||
control.addEventListener("input", listener);
|
||||
|
||||
parentDiv.appendChild(title);
|
||||
parentDiv.appendChild(control);
|
||||
|
||||
return { element: control, listener };
|
||||
}
|
||||
|
||||
function drawEyelid(width, x1, y1, colour) {
|
||||
x1 -= centerX;
|
||||
y1 -= centerY;
|
||||
|
||||
const angle = Math.atan2(y1, x1);
|
||||
const cosAngle = Math.cos(angle);
|
||||
const sinAngle = Math.sin(angle);
|
||||
|
||||
const x2 = cosAngle * width;
|
||||
const y2 = sinAngle * width;
|
||||
|
||||
const x3Old = width / 2;
|
||||
const y3Old = width / 2;
|
||||
const x4Old = width / 2;
|
||||
const y4Old = -width / 2;
|
||||
|
||||
const x3 = x3Old * cosAngle - y3Old * sinAngle;
|
||||
const y3 = x3Old * sinAngle + y3Old * cosAngle;
|
||||
const x4 = x4Old * cosAngle - y4Old * sinAngle;
|
||||
const y4 = x4Old * sinAngle + y4Old * cosAngle;
|
||||
|
||||
x1 += centerX;
|
||||
y1 += centerY;
|
||||
const x2Final = x2 + x1;
|
||||
const y2Final = y2 + y1;
|
||||
const x3Final = x3 + x1;
|
||||
const y3Final = y3 + y1;
|
||||
const x4Final = x4 + x1;
|
||||
const y4Final = y4 + y1;
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(x1, y1);
|
||||
ctx.quadraticCurveTo(x3Final, y3Final, x2Final, y2Final);
|
||||
|
||||
ctx.moveTo(x1, y1);
|
||||
ctx.quadraticCurveTo(x4Final, y4Final, x2Final, y2Final);
|
||||
ctx.fillStyle = colour;
|
||||
ctx.fill();
|
||||
|
||||
ctx.lineWidth = 2;
|
||||
ctx.strokeStyle = "black";
|
||||
ctx.stroke();
|
||||
}
|
||||
|
||||
function drawEyelidAccident(x1, y1) {
|
||||
let leafWidth = 120;
|
||||
let leafHeight = 60;
|
||||
x1 -= centerX;
|
||||
y1 -= centerY;
|
||||
let angle = Math.atan(y1 / x1);
|
||||
// if(angle >=Math.PI){
|
||||
// angle -=Math.PI
|
||||
// console.log("greater called")
|
||||
// }
|
||||
angle = Math.abs(angle);
|
||||
let x2Old = 0 + leafWidth;
|
||||
let y2Old = 0;
|
||||
|
||||
let x3Old = 0 + leafWidth / 2;
|
||||
let y3Old = 0 + leafHeight / 2;
|
||||
|
||||
let x4Old = 0 + leafWidth / 2;
|
||||
let y4Old = 0 - leafHeight / 2;
|
||||
|
||||
let x2 = x2Old * Math.cos(angle) - y2Old * Math.sin(angle);
|
||||
let y2 = x2Old * Math.sin(angle) + y2Old * Math.cos(angle);
|
||||
|
||||
let x3 = x3Old * Math.cos(angle) - y3Old * Math.sin(angle);
|
||||
let y3 = x3Old * Math.sin(angle) + y3Old * Math.cos(angle);
|
||||
|
||||
let x4 = x4Old * Math.cos(angle) - y4Old * Math.sin(angle);
|
||||
let y4 = x4Old * Math.sin(angle) + y4Old * Math.cos(angle);
|
||||
|
||||
let oldx1 = x1;
|
||||
let oldy1 = y1;
|
||||
|
||||
x1 += centerX; // +x2/2
|
||||
y1 += centerY; // +x2/2
|
||||
x2 += x1;
|
||||
y2 += y1;
|
||||
x3 += x1;
|
||||
y3 += y1;
|
||||
x4 += x1;
|
||||
y4 += y1;
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(x1, y1);
|
||||
ctx.quadraticCurveTo(x3, y3, x2, y2);
|
||||
|
||||
ctx.moveTo(x1, y1);
|
||||
ctx.quadraticCurveTo(x4, y4, x2, y2);
|
||||
ctx.fillStyle = "black";
|
||||
ctx.fill();
|
||||
|
||||
ctx.lineWidth = 1;
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(x1, y1);
|
||||
ctx.quadraticCurveTo(x3, y3, x2, y2);
|
||||
|
||||
ctx.moveTo(x1, y1);
|
||||
ctx.quadraticCurveTo(x4, y4, x2, y2);
|
||||
ctx.strokeStyle = "orange";
|
||||
ctx.stroke();
|
||||
}
|
||||
|
||||
function DrawPolygon(sides, width, rotation, colour) {
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(
|
||||
centerX + width * Math.cos((rotation * Math.PI) / 180),
|
||||
centerY + width * Math.sin((rotation * Math.PI) / 180)
|
||||
);
|
||||
|
||||
for (var i = 1; i <= sides; i += 1) {
|
||||
ctx.lineTo(
|
||||
centerX +
|
||||
width *
|
||||
Math.cos((i * 2 * Math.PI) / sides + (rotation * Math.PI) / 180),
|
||||
centerY +
|
||||
width * Math.sin((i * 2 * Math.PI) / sides + (rotation * Math.PI) / 180)
|
||||
);
|
||||
}
|
||||
ctx.strokeStyle = colour;
|
||||
ctx.lineWidth = 3;
|
||||
ctx.stroke();
|
||||
}
|
||||
|
||||
function rad(degrees) {
|
||||
return (degrees * Math.PI) / 180;
|
||||
}
|
||||
|
||||
function colourToText(colour) {
|
||||
return "rgb(" + colour[0] + "," + colour[1] + "," + colour[2] + ")";
|
||||
}
|
||||
|
||||
function LerpHex(a, b, amount) {
|
||||
var ah = parseInt(a.replace(/#/g, ""), 16),
|
||||
ar = ah >> 16,
|
||||
ag = (ah >> 8) & 0xff,
|
||||
ab = ah & 0xff,
|
||||
bh = parseInt(b.replace(/#/g, ""), 16),
|
||||
br = bh >> 16,
|
||||
bg = (bh >> 8) & 0xff,
|
||||
bb = bh & 0xff,
|
||||
rr = ar + amount * (br - ar),
|
||||
rg = ag + amount * (bg - ag),
|
||||
rb = ab + amount * (bb - ab);
|
||||
|
||||
return (
|
||||
"#" + (((1 << 24) + (rr << 16) + (rg << 8) + rb) | 0).toString(16).slice(1)
|
||||
);
|
||||
}
|
||||
|
||||
function LerpRGB(a, b, t) {
|
||||
if (t < 0) {
|
||||
t *= -1;
|
||||
}
|
||||
var newColor = [0, 0, 0];
|
||||
newColor[0] = a[0] + (b[0] - a[0]) * t;
|
||||
newColor[1] = a[1] + (b[1] - a[1]) * t;
|
||||
newColor[2] = a[2] + (b[2] - a[2]) * t;
|
||||
return newColor;
|
||||
}
|
||||
|
||||
function render_clear() {
|
||||
ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
|
||||
ctx.fillStyle = "black";
|
||||
ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
|
||||
}
|
||||
|
||||
function render_clear() {
|
||||
ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
|
||||
ctx.fillStyle = "black";
|
||||
ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height);
|
||||
}
|
||||
|
|
@ -0,0 +1,319 @@
|
|||
//jshint esversion:8
|
||||
var seed = cyrb128("813311281");
|
||||
var rand = sfc32(seed[0], seed[1], seed[2], seed[3]);
|
||||
|
||||
var gateway = `ws://192.168.20.16/ws`;
|
||||
var websocket;
|
||||
window.addEventListener('load', onLoad);
|
||||
function initWebSocket() {
|
||||
console.log('Trying to open a WebSocket connection...');
|
||||
websocket = new WebSocket(gateway);
|
||||
websocket.onopen = onOpen;
|
||||
websocket.onclose = onClose;
|
||||
websocket.onmessage = onMessage; // <-- add this line
|
||||
}
|
||||
function onOpen(event) {
|
||||
console.log('Connection opened');
|
||||
}
|
||||
function onClose(event) {
|
||||
console.log('Connection closed');
|
||||
setTimeout(initWebSocket, 2000);
|
||||
}
|
||||
function onMessage(event) {
|
||||
console.log(event.data)
|
||||
console.log("--")
|
||||
setSeed(event.data)
|
||||
Reset()
|
||||
updateDrawObj()
|
||||
// TogglePause()
|
||||
}
|
||||
|
||||
function onLoad(event) {
|
||||
initWebSocket();
|
||||
}
|
||||
|
||||
function setSeed(val){
|
||||
seed = cyrb128(val+"1");
|
||||
rand = sfc32(seed[0], seed[1], seed[2], seed[3]);
|
||||
}
|
||||
|
||||
let c = document.getElementById("myCanvas");
|
||||
let ctx = c.getContext("2d");
|
||||
ctx.canvas.width = window.innerWidth;
|
||||
ctx.canvas.height = window.innerHeight;
|
||||
centerX = ctx.canvas.width / 2;
|
||||
centerY = ctx.canvas.height / 2;
|
||||
|
||||
|
||||
let deg_per_sec = 5;
|
||||
let targetFps = 60;
|
||||
let frameDuration = 1000 / targetFps;
|
||||
|
||||
let rotation = 0; //was = j = angle
|
||||
let paused = true;
|
||||
render_clear();
|
||||
|
||||
let drawObj = null;
|
||||
const classMap = {
|
||||
PolyTwistColourWidth: PolyTwistColourWidth,
|
||||
FloralPhyllo: FloralPhyllo,
|
||||
Spiral1: Spiral1,
|
||||
FloralAccident: FloralAccident,
|
||||
FloralPhyllo_Accident: FloralPhyllo_Accident,
|
||||
Nodal_expanding: Nodal_expanding,
|
||||
Nodal: Nodal,
|
||||
Phyllotaxis: Phyllotaxis,
|
||||
SquareTwist_angle: SquareTwist_angle,
|
||||
rectangle_pattern1: rectangle_pattern1,
|
||||
EyePrototype: EyePrototype,
|
||||
// Add more class constructors here as needed
|
||||
};
|
||||
function createInstance(className, args) {
|
||||
|
||||
if (classMap.hasOwnProperty(className)) {
|
||||
return new classMap[className](...args);
|
||||
} else {
|
||||
throw new Error(`Unknown class name: ${className}`);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
function cyrb128(str) {
|
||||
let h1 = 1779033703, h2 = 3144134277,
|
||||
h3 = 1013904242, h4 = 2773480762;
|
||||
for (let i = 0, k; i < str.length; i++) {
|
||||
k = str.charCodeAt(i);
|
||||
h1 = h2 ^ Math.imul(h1 ^ k, 597399067);
|
||||
h2 = h3 ^ Math.imul(h2 ^ k, 2869860233);
|
||||
h3 = h4 ^ Math.imul(h3 ^ k, 951274213);
|
||||
h4 = h1 ^ Math.imul(h4 ^ k, 2716044179);
|
||||
}
|
||||
h1 = Math.imul(h3 ^ (h1 >>> 18), 597399067);
|
||||
h2 = Math.imul(h4 ^ (h2 >>> 22), 2869860233);
|
||||
h3 = Math.imul(h1 ^ (h3 >>> 17), 951274213);
|
||||
h4 = Math.imul(h2 ^ (h4 >>> 19), 2716044179);
|
||||
return [(h1 ^ h2 ^ h3 ^ h4) >>> 0, (h2 ^ h1) >>> 0, (h3 ^ h1) >>> 0, (h4 ^ h1) >>> 0];
|
||||
}
|
||||
function sfc32(a, b, c, d) {
|
||||
return function () {
|
||||
a >>>= 0; b >>>= 0; c >>>= 0; d >>>= 0;
|
||||
var t = (a + b) | 0;
|
||||
a = b ^ b >>> 9;
|
||||
b = c + (c << 3) | 0;
|
||||
c = (c << 21 | c >>> 11);
|
||||
d = d + 1 | 0;
|
||||
t = t + d | 0;
|
||||
c = c + t | 0;
|
||||
return (t >>> 0) / 4294967296;
|
||||
}
|
||||
}
|
||||
|
||||
function PRNGinRange(min = 0, max = 100) {
|
||||
// find diff
|
||||
let difference = max - min;
|
||||
// generate random number
|
||||
let randTmp = rand();
|
||||
// multiply with difference
|
||||
randTmp = Math.floor(randTmp * difference);
|
||||
// add with min value
|
||||
randTmp = randTmp + min;
|
||||
return randTmp;
|
||||
}
|
||||
|
||||
async function createShapeWithRandomProperties(inputNumber, shapeConfig) {
|
||||
|
||||
// const shapeName = Object.keys(shapeConfig)[PRNGinRange(0, Object.keys(shapeConfig).length - 1)];
|
||||
const shapeName = Object.keys(shapeConfig)[PRNGinRange(0, Object.keys(shapeConfig).length - 1)];
|
||||
const ShapeClass = classMap[shapeName];
|
||||
const config = await fetchConfig(shapeName);
|
||||
const properties = {};
|
||||
console.log(config)
|
||||
|
||||
config.forEach((item, index) => {
|
||||
const min = item.min || 0;
|
||||
const max = item.max || 1;
|
||||
const randomValue = PRNGinRange(min, max);
|
||||
// console.log(PRNGinRange(1, 100))
|
||||
properties[item.property] = item.type === "color" ? "#4287f5" : Math.round(randomValue);
|
||||
});
|
||||
|
||||
return new ShapeClass(...Object.values(properties));
|
||||
}
|
||||
|
||||
async function updateDrawObj() {
|
||||
const shapeSelector = document.getElementById("shape-selector");
|
||||
const selectedShape = shapeSelector.value;
|
||||
const configControls = await fetchConfig(selectedShape);
|
||||
if (drawObj) {
|
||||
drawObj.remove(); // Remove the previous instance
|
||||
}
|
||||
// Extract default values from the configuration
|
||||
const defaultValues = configControls
|
||||
// .filter((item) => item.type !== "color") // Exclude color inputs
|
||||
.map((item) => item.defaultValue);
|
||||
|
||||
|
||||
// drawObj = createInstance(selectedShape, defaultValues);
|
||||
drawObj = await createShapeWithRandomProperties(813311281, config1);
|
||||
console.log(drawObj)
|
||||
drawObj.initialise(configControls);
|
||||
}
|
||||
|
||||
updateDrawObj();
|
||||
const config1 = {
|
||||
PolyTwistColourWidth: [
|
||||
{ type: "range", min: 3, max: 10, defaultValue: 5, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 50, property: "depth" },
|
||||
{
|
||||
type: "range",
|
||||
min: -180,
|
||||
max: 180,
|
||||
defaultValue: -90,
|
||||
property: "rotation",
|
||||
},
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#42f57b", property: "colour2" },
|
||||
],
|
||||
FloralPhyllo: [
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 300, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 50, property: "depth" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour2" },
|
||||
],
|
||||
Spiral1: [
|
||||
{ type: "range", min: 1, max: 50, defaultValue: 20, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 240, property: "width" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour" },
|
||||
],
|
||||
FloralAccident: [
|
||||
{ type: "range", min: 1, max: 50, defaultValue: 20, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 240, property: "width" },
|
||||
{ type: "color", defaultValue: "#4287f5", property: "colour" },
|
||||
],
|
||||
FloralPhyllo_Accident: [
|
||||
{ type: "range", min: 1, max: 50, defaultValue: 20, property: "sides" },
|
||||
{ type: "range", min: 1, max: 600, defaultValue: 240, property: "width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#FC0362", property: "colour2" },
|
||||
],
|
||||
Nodal_expanding: [
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 5, property: "expand" },
|
||||
{ type: "range", min: 1, max: 100000, defaultValue: 100000, property: "points" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 3, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#FC0362", property: "colour2" },
|
||||
{ type: "range", min: 0, max: 10, defaultValue: 5, property: "colour_change" },
|
||||
],
|
||||
Nodal: [
|
||||
{ type: "range", min: 1, max: 1000, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 20, defaultValue: 10, property: "points" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 3, property: "line_width" },
|
||||
{ type: "range", min: 1, max: 20, defaultValue: 1, property: "step" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour" },
|
||||
],
|
||||
Phyllotaxis: [
|
||||
{ type: "range", min: 1, max: 40, defaultValue: 24, property: "width" },
|
||||
{ type: "range", min: 1, max: 1000, defaultValue: 300, property: "nMax" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
{ type: "color", defaultValue: "#FC0362", property: "colour2" },
|
||||
],
|
||||
SquareTwist_angle: [
|
||||
{ type: "range", min: 1, max: 800, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 1, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
],
|
||||
rectangle_pattern1: [
|
||||
{ type: "range", min: 1, max: 800, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 10, property: "squares" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 1, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
],
|
||||
EyePrototype: [
|
||||
{ type: "range", min: 1, max: 800, defaultValue: 400, property: "width" },
|
||||
{ type: "range", min: 1, max: 100, defaultValue: 10, property: "squares" },
|
||||
{ type: "range", min: 1, max: 10, defaultValue: 1, property: "line_width" },
|
||||
{ type: "color", defaultValue: "#2D81FC", property: "colour1" },
|
||||
],
|
||||
};
|
||||
function render() {
|
||||
setTimeout(() => {
|
||||
requestAnimationFrame(() => {
|
||||
render_clear();
|
||||
if (drawObj) {
|
||||
drawObj.draw(rotation);
|
||||
}
|
||||
|
||||
if (!paused) {
|
||||
rotation += deg_per_sec / targetFps;
|
||||
}
|
||||
});
|
||||
|
||||
render();
|
||||
}, frameDuration);
|
||||
}
|
||||
|
||||
document
|
||||
.getElementById("shape-selector")
|
||||
.addEventListener("change", updateDrawObj);
|
||||
|
||||
let toolbarShowing = true;
|
||||
document.addEventListener("keydown", toggleSettings);
|
||||
|
||||
function manualToggleSettings() {
|
||||
console.log("hi")
|
||||
toolbarShowing = !toolbarShowing;
|
||||
let tb = document.getElementById("toolbar");
|
||||
if (toolbarShowing) {
|
||||
tb.style.display = "flex";
|
||||
} else {
|
||||
tb.style.display = "none";
|
||||
}
|
||||
}
|
||||
|
||||
function toggleSettings(e) {
|
||||
if (e.key == "p") {
|
||||
toolbarShowing = !toolbarShowing;
|
||||
}
|
||||
if (e.code === "Space") {
|
||||
paused = !paused;
|
||||
}
|
||||
|
||||
let tb = document.getElementById("toolbar");
|
||||
if (toolbarShowing) {
|
||||
tb.style.display = "flex";
|
||||
} else {
|
||||
tb.style.display = "none";
|
||||
}
|
||||
}
|
||||
|
||||
function TogglePause() {
|
||||
let pb = document.getElementById("pauseButton");
|
||||
paused = !paused;
|
||||
|
||||
if (paused) {
|
||||
pb.textContent = "Play";
|
||||
} else {
|
||||
pb.textContent = "Pause";
|
||||
}
|
||||
}
|
||||
function Reset() {
|
||||
rotation = 0; //was = j = angle
|
||||
currentFrame = 0;
|
||||
}
|
||||
|
||||
function ForwardFrame() {
|
||||
rotation += deg_per_sec / fps; // was = j = innerRotation, now = rotation
|
||||
currentFrame += 1; // was = i
|
||||
}
|
||||
function BackwardFrame() {
|
||||
rotation -= deg_per_sec / fps; // was = j = innerRotation, now = rotation
|
||||
currentFrame -= 1; // was = i
|
||||
}
|
||||
|
||||
function ChangeDegPerSec(newValue) {
|
||||
deg_per_sec = newValue;
|
||||
}
|
||||
|
||||
window.onload = render;
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
function rotateMatrix2d(p, angle) {
|
||||
// cos0 sin0
|
||||
// -sin0 cos0
|
||||
const angleD = rad(angle);
|
||||
const r = [
|
||||
[Math.cos(angleD), Math.sin(angleD)],
|
||||
[-Math.sin(angleD), Math.cos(angleD)],
|
||||
];
|
||||
const newPoint = [
|
||||
p[0] * r[0][0] + p[1] * r[0][1],
|
||||
p[0] * r[1][0] + p[1] * r[1][1],
|
||||
];
|
||||
return newPoint;
|
||||
}
|
||||
|
||||
function rotateMatrix3dX(p, angle) {
|
||||
// cos0 sin0
|
||||
// -sin0 cos0
|
||||
const angleD = rad(angle);
|
||||
const r = [
|
||||
[1, 0, 0],
|
||||
[0, Math.cos(angleD), -Math.sin(angleD)],
|
||||
[0, Math.sin(angleD), Math.cos(angleD)],
|
||||
];
|
||||
const newPoint = [
|
||||
p[0] * r[0][0] + p[1] * r[0][1] + p[2] * r[0][2],
|
||||
p[0] * r[1][0] + p[1] * r[1][1] + p[2] * r[1][2],
|
||||
p[0] * r[2][0] + p[1] * r[2][1] + p[2] * r[2][2],
|
||||
];
|
||||
return newPoint;
|
||||
}
|
||||
|
||||
function rotateMatrix3dY(p, angle) {
|
||||
// cos0 sin0
|
||||
// -sin0 cos0
|
||||
const angleD = rad(angle);
|
||||
const r = [
|
||||
[Math.cos(angleD), 0, Math.sin(angleD)],
|
||||
[0, 1, 0],
|
||||
[-Math.sin(angleD), 0, Math.cos(angleD)],
|
||||
];
|
||||
const newPoint = [
|
||||
p[0] * r[0][0] + p[1] * r[0][1] + p[2] * r[0][2],
|
||||
p[0] * r[1][0] + p[1] * r[1][1] + p[2] * r[1][2],
|
||||
p[0] * r[2][0] + p[1] * r[2][1] + p[2] * r[2][2],
|
||||
];
|
||||
return newPoint;
|
||||
}
|
||||
function rotateMatrix3dZ(p, angle) {
|
||||
// cos0 sin0
|
||||
// -sin0 cos0
|
||||
const angleD = rad(angle);
|
||||
const r = [
|
||||
[Math.cos(angleD), -Math.sin(angleD), 0],
|
||||
[Math.sin(angleD), Math.cos(angleD), 0],
|
||||
[0, 0, 1],
|
||||
];
|
||||
const newPoint = [
|
||||
p[0] * r[0][0] + p[1] * r[0][1] + p[2] * r[0][2],
|
||||
p[0] * r[1][0] + p[1] * r[1][1] + p[2] * r[1][2],
|
||||
p[0] * r[2][0] + p[1] * r[2][1] + p[2] * r[2][2],
|
||||
];
|
||||
return newPoint;
|
||||
}
|
||||
|
||||
function projectionOrth(v) {
|
||||
const p = [
|
||||
[1, 0, 0],
|
||||
[0, 1, 0],
|
||||
];
|
||||
|
||||
const nPoint = [
|
||||
p[0][0] * v[0] + p[0][1] * v[1] + p[0][2] * v[2],
|
||||
p[1][0] * v[0] + p[1][1] * v[1] + p[1][2] * v[2],
|
||||
];
|
||||
return nPoint;
|
||||
}
|
||||
|
|
@ -0,0 +1,449 @@
|
|||
class BaseShape {
|
||||
constructor() {
|
||||
this.controls = []; // Keep track of created elements and event listeners
|
||||
}
|
||||
|
||||
initialise(config) {
|
||||
for (let item of config) {
|
||||
const { element, listener } = addControl(item, this);
|
||||
this.controls.push({ element, listener });
|
||||
}
|
||||
}
|
||||
|
||||
remove() {
|
||||
this.controls.forEach(({ element, listener }) => {
|
||||
if (element && listener) {
|
||||
element.removeEventListener("input", listener);
|
||||
}
|
||||
if (element && element.parentElement) {
|
||||
element.parentElement.removeChild(element);
|
||||
const titleElement = document.getElementById("elText" + element.id.slice(2));
|
||||
titleElement.parentElement.removeChild(titleElement);
|
||||
}
|
||||
});
|
||||
this.controls = [];
|
||||
}
|
||||
|
||||
draw() {
|
||||
throw new Error("Draw function not implemented");
|
||||
}
|
||||
}
|
||||
|
||||
class PolyTwistColourWidth extends BaseShape {
|
||||
constructor(sides, width, depth, rotation, colour1, colour2) {
|
||||
super();
|
||||
this.sides = sides;
|
||||
this.width = width;
|
||||
this.depth = depth;
|
||||
this.rotation = rotation;
|
||||
this.colour1 = colour1;
|
||||
this.colour2 = colour2;
|
||||
}
|
||||
|
||||
draw(innerRotation) {
|
||||
let out_angle = 0;
|
||||
const innerAngle = 180 - ((this.sides - 2) * 180) / this.sides;
|
||||
const scopeAngle = innerRotation - (innerAngle * Math.floor(innerRotation / innerAngle));
|
||||
|
||||
if (scopeAngle < innerAngle / 2) {
|
||||
out_angle = innerAngle / (2 * Math.cos((2 * Math.PI * scopeAngle) / (3 * innerAngle))) - innerAngle / 2;
|
||||
} else {
|
||||
out_angle = -innerAngle / (2 * Math.cos(((2 * Math.PI) / 3) - ((2 * Math.PI * scopeAngle) / (3 * innerAngle)))) + (innerAngle * 3) / 2;
|
||||
}
|
||||
let minWidth = Math.sin(rad(innerAngle / 2)) * (0.5 / Math.tan(rad(innerAngle / 2))) * 2;
|
||||
|
||||
let widthMultiplier = minWidth / Math.sin(Math.PI / 180 * (90 + innerAngle / 2 - out_angle + innerAngle * Math.floor(out_angle / innerAngle)));
|
||||
|
||||
for (let i = 0; i < this.depth; i++) {
|
||||
const fraction = i / this.depth;
|
||||
const ncolour = LerpHex(this.colour1, this.colour2, fraction);
|
||||
DrawPolygon(this.sides, this.width * widthMultiplier ** i, out_angle * i + this.rotation, ncolour);
|
||||
}
|
||||
}
|
||||
}
|
||||
class FloralPhyllo extends BaseShape {
|
||||
constructor(width, depth, colour1, colour2) {
|
||||
super();
|
||||
this.width = width;
|
||||
this.depth = depth;
|
||||
this.colour1 = colour1;
|
||||
this.colour2 = colour2;
|
||||
}
|
||||
|
||||
draw(angle) {
|
||||
// var c = 24; //something to do with width. but not width
|
||||
var c = 1; //something to do with width. but not width
|
||||
//dont make larger than 270 unless altering the number of colours in lerpedColours
|
||||
for (let n = 200; n > 0; n -= 1) {
|
||||
const a = n * angle / 1000; //137.5;
|
||||
const r = c * Math.sqrt(n);
|
||||
const x = r * Math.cos(a) + centerX;
|
||||
const y = r * Math.sin(a) + centerY;
|
||||
|
||||
drawEyelid(n * 2.4 + 40, x, y, this.colour1);
|
||||
}
|
||||
}
|
||||
}
|
||||
class Spiral1 extends BaseShape {
|
||||
constructor(sides, width, colour) {
|
||||
super();
|
||||
this.sides = sides;
|
||||
this.width = width;
|
||||
this.colour = colour;
|
||||
}
|
||||
|
||||
draw(rotation) {
|
||||
var rot = Math.round((this.sides - 2) * 180 / this.sides * 2)
|
||||
var piv = 360 / this.sides;
|
||||
var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
|
||||
var end = 0;
|
||||
var n = this.width / ((this.width / 10) * (this.width / 10)) //pixel correction for mid leaf
|
||||
|
||||
for (let i = 1; i < this.sides + 1; i++) {
|
||||
end = stt + rad(rot);
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.arc(centerX + Math.cos(rad(90 + piv * i + rotation)) * this.width, centerY + Math.sin(rad(90 + piv * i + rotation)) * this.width, this.width, stt + rad(rotation) - (stt - end) / 2, end + rad(rotation) + rad(n), 0);
|
||||
ctx.strokeStyle = this.colour;
|
||||
ctx.stroke();
|
||||
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.arc(centerX + Math.cos(rad(90 + piv * i - rotation)) * this.width, centerY + Math.sin(rad(90 + piv * i - rotation)) * this.width, this.width, stt - rad(rotation), end - (end - stt) / 2 + rad(n) - rad(rotation), 0);
|
||||
ctx.strokeStyle = this.colour;
|
||||
ctx.stroke();
|
||||
|
||||
|
||||
stt = end + -(rad(rot - piv)) //+rad(30);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
class FloralAccident extends BaseShape {
|
||||
constructor(sides, width, colour) {
|
||||
super();
|
||||
this.sides = sides;
|
||||
this.width = width;
|
||||
this.colour = colour;
|
||||
}
|
||||
|
||||
draw(rotation) {
|
||||
var rot = Math.round((this.sides - 2) * 180 / this.sides * 2)
|
||||
var piv = 360 / this.sides;
|
||||
var stt = 0.5 * Math.PI - rad(rot) //+ rad(rotation);
|
||||
var end = 0;
|
||||
var n = this.width / ((this.width / 10) * (this.width / 10)) //pixel correction for mid leaf
|
||||
|
||||
for (let i = 1; i < this.sides + 1; i++) {
|
||||
end = stt + rad(rot);
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.arc(centerX + Math.cos(rad(90 + piv * i + rotation)) * this.width, centerY + Math.sin(rad(90 + piv * i + rotation)) * this.width, this.width, stt - (stt - end + rad(rotation)) / 2, end + rad(n), 0);
|
||||
ctx.strokeStyle = this.colour;
|
||||
ctx.stroke();
|
||||
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.arc(centerX + Math.cos(rad(90 + piv * i - rotation)) * this.width, centerY + Math.sin(rad(90 + piv * i - rotation)) * this.width, this.width, stt, end - (end - stt - rad(rotation)) / 2 + rad(n), 0);
|
||||
ctx.strokeStyle = this.colour;
|
||||
ctx.stroke();
|
||||
|
||||
|
||||
stt = end + -(rad(rot - piv)) //+rad(30);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
class FloralPhyllo_Accident extends BaseShape {
|
||||
constructor(sides, width, colour1, colour2) {
|
||||
super();
|
||||
this.sides = sides;
|
||||
this.width = width;
|
||||
this.colour1 = colour1;
|
||||
this.colour2 = colour2;
|
||||
}
|
||||
|
||||
draw(angle) {
|
||||
|
||||
var c = 24; //something to do with width. but not width
|
||||
|
||||
for (let n = 0; n < 300; n += 1) {
|
||||
let ncolour = LerpHex(this.colour1, this.colour2, Math.cos(rad(n / 2)));
|
||||
let a = n * (angle / 1000 + 100); //137.5;
|
||||
let r = c * Math.sqrt(n);
|
||||
let x = r * Math.cos(a) + centerX;
|
||||
let y = r * Math.sin(a) + centerY;
|
||||
|
||||
drawEyelidAccident(x, y);
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
class Nodal_expanding extends BaseShape {
|
||||
constructor(expand, points, line_width, colour1, colour2, colour_change) {
|
||||
super();
|
||||
this.expand = expand;
|
||||
this.points = points;
|
||||
this.line_width = line_width;
|
||||
this.colour1 = colour1;
|
||||
this.colour2 = colour2;
|
||||
this.colour_change = colour_change
|
||||
}
|
||||
|
||||
draw(step) {
|
||||
let colour_change = this.colour_change / 10
|
||||
var angle = 360 / this.points * step
|
||||
|
||||
var start_angle = angle;
|
||||
var done = false;
|
||||
var total_moves = 1;
|
||||
var length = this.expand;
|
||||
|
||||
for (let z = 1; z <= 100; z++) { //why specifically 2500
|
||||
ctx.beginPath();
|
||||
let ncolour = LerpHex(this.colour1, this.colour2, Math.cos(rad(z * colour_change)));
|
||||
|
||||
ctx.moveTo(centerX + (Math.cos(rad(angle * (z - 1) + 0)) * (length - this.expand)), centerY + (Math.sin(rad(angle * (z - 1) + 0)) * (length - this.expand)));
|
||||
ctx.lineTo(centerX + (Math.cos(rad(angle * z + 0)) * length), centerY + (Math.sin(rad(angle * z + 0)) * length));
|
||||
length += this.expand;
|
||||
ctx.lineWidth = this.line_width;//try 1
|
||||
ctx.strokeStyle = ncolour;
|
||||
// ctx.strokeStyle = colourToText(ncolour);
|
||||
console.log(ncolour)
|
||||
ctx.stroke();
|
||||
}
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
class Nodal extends BaseShape {
|
||||
constructor(width, points, line_width, step, colour) {
|
||||
super();
|
||||
this.width = width;
|
||||
this.points = points;
|
||||
this.line_width = line_width;
|
||||
this.step = step;
|
||||
this.colour = colour;
|
||||
}
|
||||
// Draw_nodal(300, 100, 31, rotation, "blue");
|
||||
draw(rotate) {
|
||||
// console.log(rotate)
|
||||
var angle = 360 / this.points * this.step
|
||||
ctx.beginPath();
|
||||
var start_angle = angle;
|
||||
var done = false;
|
||||
var total_moves = 1;
|
||||
ctx.moveTo(centerX + (Math.cos(rad(angle + rotate)) * this.width), centerY + (Math.sin(rad(angle + rotate)) * this.width));
|
||||
|
||||
while (done != true) {
|
||||
if ((total_moves * this.step) % this.points != 0) {
|
||||
total_moves++
|
||||
}
|
||||
else {
|
||||
total_moves++
|
||||
done = true
|
||||
}
|
||||
}
|
||||
for (let z = 1; z <= total_moves; z++) {
|
||||
ctx.lineTo(centerX + (Math.cos(rad(angle * z + rotate)) * this.width), centerY + (Math.sin(rad(angle * z + rotate)) * this.width));
|
||||
}
|
||||
ctx.lineWidth = this.line_width;//try 1
|
||||
ctx.strokeStyle = this.colour;
|
||||
ctx.stroke();
|
||||
|
||||
}
|
||||
}
|
||||
class Phyllotaxis extends BaseShape {
|
||||
constructor(width, nMax, colour1, colour2) {
|
||||
super();
|
||||
this.width = width;
|
||||
this.nMax = nMax;
|
||||
this.colour1 = colour1;
|
||||
this.colour2 = colour2;
|
||||
}
|
||||
// Draw_nodal(300, 100, 31, rotation, "blue");
|
||||
draw(angle) {
|
||||
|
||||
for (let n = 0; n < this.nMax; n += 1) {
|
||||
const ncolour = LerpHex(this.colour1, this.colour2, n / this.nMax);
|
||||
// const ncolour = LerpHex(this.colour1, this.colour2, (n/this.nMax)**2);
|
||||
const a = n * (angle / 1000)//137.5;
|
||||
const r = this.width * Math.sqrt(n);
|
||||
const x = r * Math.cos(a) + centerX;
|
||||
const y = r * Math.sin(a) + centerY;
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.arc(x, y, 8, 0, 2 * Math.PI);
|
||||
ctx.fillStyle = ncolour;
|
||||
// ctx.fillStyle = colourToText(ncolour);
|
||||
ctx.fill();
|
||||
// console.log(this.c)
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
class SquareTwist_angle extends BaseShape {
|
||||
constructor(width, line_width, colour1) {
|
||||
super();
|
||||
this.width = width;
|
||||
this.line_width = line_width;
|
||||
this.colour1 = colour1;
|
||||
}
|
||||
drawSquare(angle, size, colour) {
|
||||
ctx.save();
|
||||
ctx.translate(centerX, centerY)//-(Math.sin(rad(angle)) *centerX));
|
||||
ctx.rotate(rad(angle + 180));
|
||||
ctx.beginPath();
|
||||
ctx.strokeStyle = colour;
|
||||
ctx.lineWidth = this.line_width;
|
||||
ctx.rect(-size / 2, -size / 2, size, size);
|
||||
ctx.stroke();
|
||||
ctx.restore();
|
||||
}
|
||||
// DrawSquareTwist_angle(400,0,rotation,"red")
|
||||
draw(innerRotation) {
|
||||
let out_angle = innerRotation;
|
||||
let widthMultiplier = 1 / (2 * Math.sin(Math.PI / 180 * (130 - out_angle + 90 * Math.floor(out_angle / 90)))) + 0.5
|
||||
|
||||
for (let i = 0; i < 25; i++) {
|
||||
this.drawSquare(innerRotation * i, this.width * widthMultiplier ** i, this.colour1)
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
class rectangle_pattern1 extends BaseShape {
|
||||
constructor(width, squares, line_width, colour1) {
|
||||
super();
|
||||
this.width = width;
|
||||
this.squares = squares;
|
||||
this.line_width = line_width;
|
||||
this.colour1 = colour1;
|
||||
}
|
||||
drawSquare(angle, size, colour) {
|
||||
ctx.save();
|
||||
ctx.translate(centerX, centerY)//-(Math.sin(rad(angle)) *centerX));
|
||||
ctx.rotate(rad(angle + 180));
|
||||
ctx.beginPath();
|
||||
ctx.strokeStyle = colour;
|
||||
ctx.lineWidth = this.line_width;
|
||||
ctx.rect(-size / 2, -size / 2, size, size);
|
||||
ctx.stroke();
|
||||
ctx.restore();
|
||||
}
|
||||
// Draw_rectangle_pattern1(rotation, squares, 200, "blue");
|
||||
draw(rotation) {
|
||||
for (let z = 0; z < 360; z += 360 / this.squares) {
|
||||
this.drawSquare(z + rotation, this.width, this.colour1);
|
||||
}
|
||||
}
|
||||
}
|
||||
class EyePrototype extends BaseShape {
|
||||
constructor(width, line_width, colour1) {
|
||||
super();
|
||||
this.width = width;
|
||||
this.line_width = line_width;
|
||||
this.colour1 = colour1;
|
||||
this.step = 0;
|
||||
this.speed = 8;
|
||||
this.opening = true;
|
||||
this.counter = 0;
|
||||
this.points = [
|
||||
[50, 250],
|
||||
[450, 250],
|
||||
];
|
||||
this.cooldown = 0;
|
||||
}
|
||||
drawEyelid(step) {
|
||||
ctx.lineWidth = 1;
|
||||
ctx.beginPath();
|
||||
ctx.moveTo(this.points[0][0], this.points[0][1]);
|
||||
ctx.quadraticCurveTo(250, 250 - step, this.points[1][0], this.points[0][1]);
|
||||
|
||||
ctx.moveTo(this.points[0][0], this.points[0][1]);
|
||||
ctx.quadraticCurveTo(250, 250 + step, this.points[1][0], this.points[0][1]);
|
||||
ctx.stroke();
|
||||
}
|
||||
eyelidCut(step) {
|
||||
// ctx.lineWidth = 1;
|
||||
let squarePath = new Path2D();
|
||||
squarePath.moveTo(this.points[0][0], this.points[0][1]);
|
||||
squarePath.quadraticCurveTo(250, 250 - step, this.points[1][0], this.points[0][1]);
|
||||
|
||||
squarePath.moveTo(this.points[0][0], this.points[0][1]);
|
||||
squarePath.quadraticCurveTo(250, 250 + step, this.points[1][0], this.points[0][1]);
|
||||
|
||||
ctx.clip(squarePath);
|
||||
}
|
||||
drawGrowEye(step) {
|
||||
console.log(step)
|
||||
ctx.strokeStyle = "aqua";
|
||||
ctx.beginPath();
|
||||
ctx.lineWidth = 5;
|
||||
ctx.arc(250, 250, step, 0, 2 * Math.PI);
|
||||
ctx.stroke();
|
||||
ctx.strokeStyle = "orange";
|
||||
}
|
||||
drawCircle(step) {
|
||||
ctx.beginPath();
|
||||
ctx.lineWidth = 5;
|
||||
ctx.arc(250, 250, step, 0, 2 * Math.PI);
|
||||
ctx.stroke();
|
||||
}
|
||||
stepFunc() {
|
||||
if (this.cooldown != 0) {
|
||||
this.cooldown--;
|
||||
} else {
|
||||
if (this.opening == true) {
|
||||
if (this.step >= 200) {
|
||||
this.cooldown = 200;
|
||||
this.opening = false;
|
||||
this.step -= this.speed;
|
||||
} else {
|
||||
this.step += this.speed;
|
||||
}
|
||||
} else {
|
||||
if (this.step <= 0) {
|
||||
this.opening = true;
|
||||
this.step += this.speed;
|
||||
} else {
|
||||
this.step -= this.speed;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
draw(rotation) {
|
||||
console.log(this.counter)
|
||||
ctx.strokeStyle = "orange";
|
||||
ctx.fillStyle = "black";
|
||||
// ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
|
||||
// ctx.fillRect(0, 0, 500, 500);
|
||||
|
||||
// let newPath = new Path2D();
|
||||
// newPath.arc(150, 75, 75, 0, 2 * Math.PI);
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.rect(100, 100, 300, 300);
|
||||
ctx.stroke();
|
||||
|
||||
this.drawEyelid(this.step);
|
||||
|
||||
ctx.save();
|
||||
// squareCut();
|
||||
this.eyelidCut(this.step);
|
||||
|
||||
if (this.counter % 100 == 0) {
|
||||
this.counter = 0;
|
||||
}
|
||||
this.drawGrowEye(100 + this.counter);
|
||||
|
||||
this.drawCircle(100);
|
||||
|
||||
ctx.restore();
|
||||
|
||||
this.stepFunc();
|
||||
this.counter++;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,21 @@
|
|||
<!DOCTYPE html>
|
||||
<html lang="en">
|
||||
<head>
|
||||
<meta charset="UTF-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>WebGL Centered Square</title>
|
||||
<style>
|
||||
body {
|
||||
margin: 0;
|
||||
overflow: hidden;
|
||||
}
|
||||
canvas {
|
||||
display: block;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<canvas id="canvas"></canvas>
|
||||
<script src="main.js"></script>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -0,0 +1,98 @@
|
|||
const canvas = document.getElementById('canvas');
|
||||
const gl = canvas.getContext('webgl');
|
||||
|
||||
if (!gl) {
|
||||
alert('WebGL is not supported in your browser.');
|
||||
}
|
||||
|
||||
function resizeCanvas() {
|
||||
canvas.width = window.innerWidth;
|
||||
canvas.height = window.innerHeight;
|
||||
gl.viewport(0, 0, canvas.width, canvas.height);
|
||||
}
|
||||
|
||||
window.addEventListener('resize', resizeCanvas);
|
||||
resizeCanvas();
|
||||
|
||||
const vertices = [
|
||||
-0.5, -0.5,
|
||||
0.5, -0.5,
|
||||
0.5, 0.5,
|
||||
-0.5, 0.5,
|
||||
];
|
||||
|
||||
const vertexBuffer = gl.createBuffer();
|
||||
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
|
||||
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(vertices), gl.STATIC_DRAW);
|
||||
|
||||
const vertexShaderSource = `
|
||||
attribute vec2 a_position;
|
||||
|
||||
uniform vec2 u_resolution;
|
||||
uniform vec2 u_translation;
|
||||
uniform vec2 u_scale;
|
||||
|
||||
void main() {
|
||||
vec2 scaledPosition = a_position * u_scale;
|
||||
vec2 position = scaledPosition + u_translation;
|
||||
|
||||
vec2 zeroToOne = position / u_resolution;
|
||||
vec2 zeroToTwo = zeroToOne * 2.0;
|
||||
vec2 clipSpace = zeroToTwo - 1.0;
|
||||
|
||||
gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);
|
||||
}
|
||||
`;
|
||||
|
||||
const vertexShader = gl.createShader(gl.VERTEX_SHADER);
|
||||
gl.shaderSource(vertexShader, vertexShaderSource);
|
||||
gl.compileShader(vertexShader);
|
||||
|
||||
const fragmentShaderSource = `
|
||||
precision mediump float;
|
||||
|
||||
void main() {
|
||||
gl_FragColor = vec4(1, 0, 0, 1);
|
||||
}
|
||||
`;
|
||||
|
||||
const fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
|
||||
gl.shaderSource(fragmentShader, fragmentShaderSource);
|
||||
gl.compileShader(fragmentShader);
|
||||
|
||||
const program = gl.createProgram();
|
||||
gl.attachShader(program, vertexShader);
|
||||
gl.attachShader(program, fragmentShader);
|
||||
gl.linkProgram(program);
|
||||
gl.useProgram(program);
|
||||
|
||||
const positionAttributeLocation = gl.getAttribLocation(program, 'a_position');
|
||||
gl.enableVertexAttribArray(positionAttributeLocation);
|
||||
gl.bindBuffer(gl.ARRAY_BUFFER, vertexBuffer);
|
||||
gl.vertexAttribPointer(positionAttributeLocation, 2, gl.FLOAT, false, 0, 0);
|
||||
|
||||
const resolutionUniformLocation = gl.getUniformLocation(program, 'u_resolution');
|
||||
const translationUniformLocation = gl.getUniformLocation(program, 'u_translation');
|
||||
const scaleUniformLocation = gl.getUniformLocation(program, 'u_scale');
|
||||
|
||||
function drawScene() {
|
||||
gl.clearColor(0, 0, 0, 1);
|
||||
gl.clear(gl.COLOR_BUFFER_BIT);
|
||||
|
||||
gl.uniform2f(resolutionUniformLocation, canvas.width, canvas.height);
|
||||
|
||||
const squareWidth = 50;
|
||||
const squareHeight = 50;
|
||||
const xCenter = (canvas.width - squareWidth) / 2;
|
||||
const yCenter = (canvas.height - squareHeight) / 2;
|
||||
gl.uniform2f(translationUniformLocation, xCenter, yCenter);
|
||||
|
||||
gl.uniform2f(scaleUniformLocation, squareWidth, squareHeight);
|
||||
|
||||
gl.drawArrays(gl.TRIANGLE_FAN, 0, 4);
|
||||
|
||||
requestAnimationFrame(drawScene);
|
||||
}
|
||||
|
||||
drawScene();
|
||||
|
||||
Loading…
Reference in New Issue