allinone started
This commit is contained in:
parent
e27f0ce984
commit
c15e5b1722
|
@ -50,7 +50,7 @@
|
|||
render_clear();
|
||||
|
||||
// Draw_Phyllotaxis(rotation);
|
||||
Draw_Phyllotaxis(rotation+.5);
|
||||
Draw_FloralPhyllo(rotation+.5);
|
||||
// Draw_Phyllotaxis(rotation + 1.5);
|
||||
// Draw_Phyllotaxis(rotation + 4.8);
|
||||
// Draw_Phyllotaxis(Math.PI/4);
|
||||
|
@ -70,7 +70,7 @@
|
|||
|
||||
render();
|
||||
|
||||
function Draw_Phyllotaxis(angle) {
|
||||
function Draw_FloralPhyllo(angle) {
|
||||
// var c = 24; //something to do with width. but not width
|
||||
var c = 1; //something to do with width. but not width
|
||||
|
||||
|
|
|
@ -31,9 +31,9 @@
|
|||
render_clear();
|
||||
|
||||
colour2 = [255, 0, 0];
|
||||
colour1 = [0, 0, 0];
|
||||
colour1 = [0, 255, 0];
|
||||
|
||||
DrawPolyTwistColour_angle(8,400,-90,rotation/10,colour1, colour2)
|
||||
DrawPolyTwistColour_width(4,400,-90,rotation/10,colour1, colour2)
|
||||
// DrawPolyTwist_angle(15,400,-90,rotation/20,"red")
|
||||
// DrawPolyTwistColour_width(4,400,-45,rotation/4,colour1,colour2)
|
||||
// DrawPolyTwist_width(10,400,-90,rotation/20,"red")
|
||||
|
|
|
@ -1,159 +0,0 @@
|
|||
<!DOCTYPE html>
|
||||
<html>
|
||||
<!-- ahhh -->
|
||||
|
||||
<body style="margin:0;overflow: hidden;">
|
||||
<canvas id="myCanvas" width="10" height="10" style="display: block;box-sizing: border-box;">
|
||||
Your browser does not support the HTML5 canvas tag.</canvas>
|
||||
<script>
|
||||
let c = document.getElementById("myCanvas");
|
||||
let ctx = c.getContext("2d");
|
||||
ctx.canvas.width = window.innerWidth;
|
||||
ctx.canvas.height = window.innerHeight;
|
||||
|
||||
|
||||
|
||||
let deg_per_sec = 30 / 200000;
|
||||
let xx_per_sec = 10;
|
||||
let time = 99999999;
|
||||
let fps = 60;
|
||||
|
||||
centerX = ctx.canvas.width / 2;
|
||||
centerY = ctx.canvas.height / 2;
|
||||
|
||||
let xx = 0
|
||||
rotation = 0; //was = j = angle
|
||||
currentFrame = 0; //was = i
|
||||
|
||||
|
||||
|
||||
function render() {
|
||||
if (currentFrame < time / (1 / fps)) {
|
||||
setTimeout(() => {
|
||||
render();
|
||||
render_clear();
|
||||
|
||||
// Draw_Phyllotaxis(rotation + 3.1);
|
||||
// Draw_Phyllotaxis(rotation + 1.5);
|
||||
Draw_Spiral(rotation +1);
|
||||
// Draw_Phyllotaxis(rotation/5000);
|
||||
|
||||
// Draw_center(); //Debugging
|
||||
// DrawBorder();
|
||||
}, 1000 / fps);
|
||||
rotation += deg_per_sec / fps; // was = j = angle, now = rotation
|
||||
xx += xx_per_sec / fps; // was = j = angle, now = rotation
|
||||
currentFrame += 1; // was = i
|
||||
}
|
||||
}
|
||||
|
||||
render();
|
||||
|
||||
function Draw_Spiral(angle) {
|
||||
// colour1 = [255, 170, 0];
|
||||
// colour2 = [255, 0, 221];
|
||||
colour1 = [45, 129, 252];
|
||||
colour2 = [252, 3, 98];
|
||||
|
||||
var c = 1; //something to do with width. but not width
|
||||
|
||||
for (let n = 0; n < 1000; n += 1) {
|
||||
ncolour = LerpRGB(colour1, colour2, Math.cos(rad(n / 2)));
|
||||
var a = n * angle + (Math.sin((angle *n*3)))
|
||||
// var r = c * Math.sqrt(n);
|
||||
var r = c * n;
|
||||
var x = r * Math.cos(a) + centerX;
|
||||
var y = r * Math.sin(a) + centerY;
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.arc(x, y, 8, 0, 2 * Math.PI);
|
||||
ctx.fillStyle = colourToText(ncolour);
|
||||
ctx.fill();
|
||||
|
||||
}
|
||||
// for (let n = 0; n < 300; n += 1) {
|
||||
// ncolour = LerpRGB(colour1, colour2, Math.cos(rad(n / 2)));
|
||||
// var a = n * (angle)//137.5;
|
||||
// // var r = c * Math.sqrt(n);
|
||||
// var r = c * n;
|
||||
// var x = r * Math.cos(a) + centerX;
|
||||
// var y = r * Math.sin(a) + centerY;
|
||||
|
||||
// ctx.beginPath();
|
||||
// ctx.arc(x, y, 8, 0, 2 * Math.PI);
|
||||
// ctx.fillStyle = colourToText(ncolour);
|
||||
// ctx.fill();
|
||||
|
||||
// }
|
||||
|
||||
|
||||
}
|
||||
function Draw_SpiralAccident(angle) {
|
||||
// colour1 = [255, 170, 0];
|
||||
// colour2 = [255, 0, 221];
|
||||
colour1 = [45, 129, 252];
|
||||
colour2 = [252, 3, 98];
|
||||
|
||||
var c = 2; //something to do with width. but not width
|
||||
|
||||
for (let n = 0; n < 300; n += 1) {
|
||||
ncolour = LerpRGB(colour1, colour2, Math.cos(rad(n / 2)));
|
||||
var a = n * angle + (Math.sin((n * angle) * 3))
|
||||
// var r = c * Math.sqrt(n);
|
||||
var r = c * n;
|
||||
var x = r * Math.cos(a) + centerX;
|
||||
var y = r * Math.sin(a) + centerY;
|
||||
|
||||
ctx.beginPath();
|
||||
ctx.arc(x, y, 8, 0, 2 * Math.PI);
|
||||
ctx.fillStyle = colourToText(ncolour);
|
||||
ctx.fill();
|
||||
|
||||
}
|
||||
// for (let n = 0; n < 300; n += 1) {
|
||||
// ncolour = LerpRGB(colour1, colour2, Math.cos(rad(n / 2)));
|
||||
// var a = n * (angle)//137.5;
|
||||
// // var r = c * Math.sqrt(n);
|
||||
// var r = c * n;
|
||||
// var x = r * Math.cos(a) + centerX;
|
||||
// var y = r * Math.sin(a) + centerY;
|
||||
|
||||
// ctx.beginPath();
|
||||
// ctx.arc(x, y, 8, 0, 2 * Math.PI);
|
||||
// ctx.fillStyle = colourToText(ncolour);
|
||||
// ctx.fill();
|
||||
|
||||
// }
|
||||
|
||||
|
||||
}
|
||||
function rad(degrees) {
|
||||
var pi = Math.PI;
|
||||
return degrees * (pi / 180);
|
||||
}
|
||||
|
||||
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 colourToText(colour) {
|
||||
return "rgb(" + colour[0] + "," + colour[1] + "," + colour[2] + ")"
|
||||
}
|
||||
|
||||
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);
|
||||
}
|
||||
|
||||
</script>
|
||||
</body>
|
||||
|
||||
</html>
|
|
@ -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>Reaction-Diffusion Animation</title>
|
||||
<style>
|
||||
body {
|
||||
margin: 0;
|
||||
overflow: hidden;
|
||||
}
|
||||
canvas {
|
||||
display: block;
|
||||
}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<canvas id="canvas"></canvas>
|
||||
<script src="script.js"></script>
|
||||
</body>
|
||||
</html>
|
|
@ -0,0 +1,156 @@
|
|||
const canvas = document.getElementById("canvas");
|
||||
const ctx = canvas.getContext("2d");
|
||||
canvas.width = 500; //window.innerWidth;
|
||||
canvas.height = 500; //window.innerHeight;
|
||||
|
||||
let gridSizeX = canvas.width;
|
||||
let gridSizeY = canvas.height;
|
||||
|
||||
let gridA = create2DArray(gridSizeX, gridSizeY);
|
||||
let gridB = create2DArray(gridSizeX, gridSizeY);
|
||||
let nextGridA = create2DArray(gridSizeX, gridSizeY);
|
||||
let nextGridB = create2DArray(gridSizeX, gridSizeY);
|
||||
|
||||
function create2DArray(rows, cols) {
|
||||
let arr = new Array(rows);
|
||||
for (let i = 0; i < rows; i++) {
|
||||
arr[i] = new Array(cols).fill(0);
|
||||
}
|
||||
return arr;
|
||||
}
|
||||
|
||||
function seedGrid() {
|
||||
for (let i = 0; i < gridSizeX; i++) {
|
||||
for (let j = 0; j < gridSizeY; j++) {
|
||||
gridA[i][j] = 1;
|
||||
gridB[i][j] = Math.random() < 0.1 ? 0.5 : 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
seedGrid();
|
||||
|
||||
let dA = 1;
|
||||
let dB = 0.5;
|
||||
let feed = 0.055;
|
||||
let kill = 0.062;
|
||||
|
||||
function updateGrid() {
|
||||
const centerX = gridSizeX / 2;
|
||||
const centerY = gridSizeY / 2;
|
||||
const radialFlowStrength = 0.01;
|
||||
|
||||
let tempGridA = create2DArray(gridSizeX, gridSizeY);
|
||||
let tempGridB = create2DArray(gridSizeX, gridSizeY);
|
||||
|
||||
for (let x = 1; x < gridSizeX - 1; x++) {
|
||||
for (let y = 1; y < gridSizeY - 1; y++) {
|
||||
let deltaX = x - centerX;
|
||||
let deltaY = y - centerY;
|
||||
let distance = Math.sqrt(deltaX * deltaX + deltaY * deltaY);
|
||||
let flowFactor = radialFlowStrength * (distance + 1);
|
||||
|
||||
let dx = Math.round(deltaX * flowFactor);
|
||||
let dy = Math.round(deltaY * flowFactor);
|
||||
let sourceX = (x + Math.abs(dx) % gridSizeX) % gridSizeX;
|
||||
let sourceY = (y + Math.abs(dy) % gridSizeY) % gridSizeY;
|
||||
|
||||
tempGridA[x][y] = gridA[sourceX][sourceY];
|
||||
tempGridB[x][y] = gridB[sourceX][sourceY];
|
||||
}
|
||||
}
|
||||
|
||||
for (let x = 1; x < gridSizeX - 1; x++) {
|
||||
for (let y = 1; y < gridSizeY - 1; y++) {
|
||||
let a = tempGridA[x][y];
|
||||
let b = tempGridB[x][y];
|
||||
|
||||
nextGridA[x][y] = a + (dA * laplaceA(x, y)) - (a * b * b) + (feed * (1 - a));
|
||||
nextGridB[x][y] = b + (dB * laplaceB(x, y)) + (a * b * b) - ((kill + feed) * b);
|
||||
|
||||
nextGridA[x][y] = Math.min(Math.max(nextGridA[x][y], 0), 1);
|
||||
nextGridB[x][y] = Math.min(Math.max(nextGridB[x][y], 0), 1);
|
||||
}
|
||||
}
|
||||
|
||||
let temp = gridA;
|
||||
gridA = nextGridA;
|
||||
nextGridA = temp;
|
||||
|
||||
temp = gridB;
|
||||
gridB = nextGridB;
|
||||
nextGridB = temp;
|
||||
}
|
||||
|
||||
|
||||
function laplaceA(x, y) {
|
||||
let sum = 0;
|
||||
let weights = [
|
||||
[0.05, 0.2, 0.05],
|
||||
[0.2, -1, 0.2],
|
||||
[0.05, 0.2, 0.05],
|
||||
];
|
||||
|
||||
for (let i = -1; i < 2; i++) {
|
||||
for (let j = -1; j < 2; j++) {
|
||||
let row = (x + i + gridSizeX) % gridSizeX;
|
||||
let col = (y + j + gridSizeY) % gridSizeY;
|
||||
sum += gridA[row][col] * weights[i + 1][j + 1];
|
||||
}
|
||||
}
|
||||
|
||||
return sum;
|
||||
}
|
||||
|
||||
function laplaceB(x, y) {
|
||||
let sum = 0;
|
||||
let weights = [
|
||||
[0.05, 0.2, 0.05],
|
||||
[0.2, -1, 0.2],
|
||||
[0.05, 0.2, 0.05],
|
||||
];
|
||||
|
||||
for (let i = -1; i < 2; i++) {
|
||||
for (let j = -1; j < 2; j++) {
|
||||
let row = (x + i + gridSizeX) % gridSizeX;
|
||||
let col = (y + j + gridSizeY) % gridSizeY;
|
||||
sum += gridB[row][col] * weights[i + 1][j + 1];
|
||||
}
|
||||
}
|
||||
|
||||
return sum;
|
||||
}
|
||||
|
||||
function draw() {
|
||||
const imageData = ctx.createImageData(canvas.width, canvas.height);
|
||||
const data = imageData.data;
|
||||
|
||||
for (let x = 0; x < gridSizeX; x++) {
|
||||
for (let y = 0; y < gridSizeY; y++) {
|
||||
const index = (x + y * gridSizeX) * 4;
|
||||
const a = gridA[x][y];
|
||||
const b = gridB[x][y];
|
||||
const color = {
|
||||
r: 206 * b,
|
||||
g: 66 * b,
|
||||
b: 245 * b,
|
||||
};
|
||||
|
||||
data[index + 0] = color.r;
|
||||
data[index + 1] = color.g;
|
||||
data[index + 2] = color.b;
|
||||
data[index + 3] = 255;
|
||||
}
|
||||
}
|
||||
|
||||
ctx.putImageData(imageData, 0, 0);
|
||||
}
|
||||
|
||||
function loop() {
|
||||
draw();
|
||||
updateGrid();
|
||||
|
||||
requestAnimationFrame(loop);
|
||||
}
|
||||
|
||||
loop();
|
|
@ -0,0 +1,16 @@
|
|||
{
|
||||
"PolyTwistColourWidth": [
|
||||
{ "type": "range", "min": 3, "max": 10, "defaultValue": 5, "property": "sides" },
|
||||
{ "type": "range", "min": 1, "max": 600, "defaultValue": 300, "property": "width" },
|
||||
{ "type": "range", "min": 1, "max": 100, "defaultValue": 50, "property": "depth" },
|
||||
{ "type": "range", "min": 0, "max": 360, "defaultValue": 180, "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" }
|
||||
]
|
||||
}
|
|
@ -0,0 +1,40 @@
|
|||
body {
|
||||
-webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
|
||||
-moz-box-sizing: border-box; /* Firefox, other Gecko */
|
||||
box-sizing: border-box; /* Opera/IE 8+ */
|
||||
height:100%
|
||||
}
|
||||
p{
|
||||
margin: 0px;
|
||||
}
|
||||
|
||||
canvas {
|
||||
position: absolute;
|
||||
}
|
||||
#toolbar {
|
||||
display: flex;
|
||||
flex-flow: column;
|
||||
height: 100%;
|
||||
|
||||
position: absolute;
|
||||
padding: 0px 20px 0px 20px;
|
||||
width: 500px;
|
||||
height: 100vh;
|
||||
background-color: rgb(189, 189, 189);
|
||||
}
|
||||
#custom {
|
||||
display: flex;
|
||||
flex-flow: column;
|
||||
height: 100%;
|
||||
|
||||
/* position: absolute; */
|
||||
padding: 0px 20px 0px 20px;
|
||||
/* width: 500px; */
|
||||
/* height: 100vh; */
|
||||
background-color: rgb(189, 189, 189);
|
||||
}
|
||||
|
||||
|
||||
.controls{
|
||||
display: block;
|
||||
}
|
|
@ -0,0 +1,37 @@
|
|||
<!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="Spiral1">Spiral1</option>
|
||||
</select>
|
||||
<div id="custom"></div>
|
||||
<br>
|
||||
<p>Degrees Per Second</p>
|
||||
<input type="text" id="inputDegPerSec" value="5" onchange="ChangeDegPerSec(this.value)">
|
||||
<br>
|
||||
<p>Controls</p>
|
||||
<button id="resetButton" onclick="Reset()">Reset</button>
|
||||
<div class="controls">
|
||||
<button onclick="BackwardFrame()"><</button>
|
||||
<button id="pauseButton" onclick="TogglePause()">Play</button>
|
||||
<button onclick="ForwardFrame()">></button>
|
||||
</div>
|
||||
</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 +1,181 @@
|
|||
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" },
|
||||
],
|
||||
};
|
||||
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 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 +1,120 @@
|
|||
//jshint esversion:8
|
||||
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;
|
||||
function createInstance(className, args) {
|
||||
const classMap = {
|
||||
PolyTwistColourWidth: PolyTwistColourWidth,
|
||||
FloralPhyllo: FloralPhyllo,
|
||||
Spiral1: Spiral1,
|
||||
// Add more class constructors here as needed
|
||||
};
|
||||
|
||||
if (classMap.hasOwnProperty(className)) {
|
||||
return new classMap[className](...args);
|
||||
} else {
|
||||
throw new Error(`Unknown class name: ${className}`);
|
||||
}
|
||||
}
|
||||
|
||||
async function updateDrawObj() {
|
||||
const shapeSelector = document.getElementById("shape-selector");
|
||||
const selectedShape = shapeSelector.value;
|
||||
const config = await fetchConfig(selectedShape);
|
||||
if (drawObj) {
|
||||
drawObj.remove(); // Remove the previous instance
|
||||
}
|
||||
// Extract default values from the configuration
|
||||
const defaultValues = config
|
||||
// .filter((item) => item.type !== "color") // Exclude color inputs
|
||||
.map((item) => item.defaultValue);
|
||||
|
||||
drawObj = createInstance(selectedShape, defaultValues);
|
||||
drawObj.initialise(config);
|
||||
}
|
||||
|
||||
updateDrawObj();
|
||||
|
||||
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 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 +1,122 @@
|
|||
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);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
|
Loading…
Reference in New Issue