animate/docs/js/objects.js

637 lines
17 KiB
JavaScript

class BaseShape {
constructor() {
this.controls = []; // Keep track of created elements and event listeners
this.speedMultiplier = 100;
}
initialise(config) {
for (let item of config) {
const { element, listener } = addControl(item, this);
this.controls.push({ element, listener });
}
const { element, listener } = addControl(
{
type: "range",
min: 1,
max: 500,
defaultValue: 100,
property: "speedMultiplier",
},
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,
line_width,
depth,
rotation,
speedMultiplier,
colour1,
colour2
) {
super();
this.sides = sides;
this.width = width;
this.line_width = line_width;
this.depth = depth;
this.rotation = rotation;
this.speedMultiplier = speedMultiplier;
this.colour1 = colour1;
this.colour2 = colour2;
}
draw(rotation) {
rotation *= this.speedMultiplier / 100;
let out_angle = 0;
const innerAngle = 180 - ((this.sides - 2) * 180) / this.sides;
const scopeAngle =
rotation - innerAngle * Math.floor(rotation / 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,
this.line_width
);
}
}
}
class FloralPhyllo extends BaseShape {
constructor(width, depth, colour1, colour2) {
super();
this.width = width;
this.depth = depth;
this.colour1 = colour1;
this.colour2 = colour2;
this.speedMultiplier = 500;
}
draw(rotation) {
rotation *= this.speedMultiplier / 100;
// 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) {
// let ncolour = LerpHex(this.colour1, this.colour2, n);
const a = (n * rotation) / 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, ncolour);
}
}
}
class Spiral1 extends BaseShape {
constructor(sides, width, colour) {
super();
this.sides = sides;
this.width = width;
this.colour = colour;
}
draw(rotation) {
rotation *= this.speedMultiplier / 100;
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) {
rotation *= this.speedMultiplier / 100;
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(rotation) {
rotation *= this.speedMultiplier / 100;
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 * (rotation / 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(rotation) {
rotation *= this.speedMultiplier / 100;
let colour_change = this.colour_change / 8;
var angle = (360 / this.points) * rotation;
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.lineCap = "round";
// 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(rotation) {
rotation *= this.speedMultiplier / 100;
// 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 + rotation)) * this.width,
centerY + Math.sin(rad(angle + rotation)) * 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 + rotation)) * this.width,
centerY + Math.sin(rad(angle * z + rotation)) * 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(rotation) {
rotation *= this.speedMultiplier / 100;
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 * (rotation / 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(rotation) {
rotation *= this.speedMultiplier / 100;
let out_angle = rotation;
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(
rotation * 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) {
rotation *= this.speedMultiplier / 100;
for (let z = 0; z < 360; z += 360 / this.squares) {
this.drawSquare(z + rotation, this.width, this.colour1);
}
}
}
class EyePrototype extends BaseShape {
constructor(
width,
blink_speed,
draw_spiral,
draw_pupil,
draw_expand,
draw_eyelid,
line_width,
colourPupil,
colourSpiral,
colourExpand
) {
super();
this.width = width;
this.line_width = line_width;
this.colourPupil = colourPupil;
this.colourSpiral = colourSpiral;
this.colourExpand = colourExpand;
this.step = 0;
this.speed = blink_speed;
this.opening = true;
this.counter = 0;
this.cooldown = 0;
this.draw_spiral = draw_spiral;
this.draw_pupil = draw_pupil;
this.draw_expand = draw_expand;
this.draw_eyelid = draw_eyelid;
}
drawEyelid(rotation) {
rotation *= this.speedMultiplier / 100;
ctx.lineWidth = 1;
ctx.beginPath();
ctx.moveTo(centerX - this.width / 2, centerY);
ctx.quadraticCurveTo(
centerX,
centerY - (rotation / 400) * this.width,
centerX + this.width / 2,
centerY
);
ctx.moveTo(centerX - this.width / 2, centerY);
ctx.quadraticCurveTo(
centerX,
centerY + (rotation / 400) * this.width,
centerX + this.width / 2,
centerY
);
ctx.stroke();
}
eyelidCut(step) {
// ctx.lineWidth = 1;
let squarePath = new Path2D();
squarePath.moveTo(centerX - this.width / 2, centerY);
squarePath.quadraticCurveTo(
centerX,
centerY - (step / 400) * this.width,
centerX + this.width / 2,
centerY
);
squarePath.moveTo(centerX - this.width / 2, centerY);
squarePath.quadraticCurveTo(
centerX,
centerY + (step / 400) * this.width,
centerX + this.width / 2,
centerY
);
ctx.clip(squarePath);
}
drawGrowEye(step) {
// console.log(step)
ctx.strokeStyle = this.colourExpand;
ctx.beginPath();
ctx.lineWidth = 5;
ctx.arc(centerX, centerY, step, 0, 2 * Math.PI);
ctx.stroke();
// ctx.strokeStyle = "orange";
}
drawCircle(step) {
ctx.strokeStyle = this.colourPupil;
ctx.beginPath();
ctx.lineWidth = 5;
ctx.arc(centerX, centerY, step, 0, 2 * Math.PI);
ctx.stroke();
}
drawSpiral(step) {
let a = 1;
let b = 5;
ctx.moveTo(centerX, centerY);
ctx.beginPath();
for (let i = 0; i < 400; i++) {
let angle = 0.1 * i;
let x = centerX + (a + b * angle) * Math.cos(angle + step / 2);
let y = centerY + (a + b * angle) * Math.sin(angle + step / 2);
ctx.lineTo(x, y);
}
ctx.lineWidth = 3;
ctx.strokeStyle = this.colourSpiral;
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) {
let speedMult = 50
let waitTime = 3
let cap = 200
let d = waitTime * speedMult * 10
let a = cap * 2 + d
let outputRotation = Math.min(Math.abs((Math.floor(rotation * speedMult) % a) - a / 2 - d / 2), cap)
// console.log("Rot: "+ rotation + " | " +Math.floor(rotation)%a)
console.log(outputRotation)
// console.log(this.counter)
if (this.draw_eyelid) {
ctx.strokeStyle = "white";
}
else{
ctx.strokeStyle = "black";
}
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(centerX-300/2, centerY-300/2, 300, 300);
// ctx.stroke();
// this.drawEyelid(this.step);
this.drawEyelid(outputRotation);
ctx.save();
// squareCut();
this.eyelidCut(outputRotation);
if (this.counter % 100 == 0) {
this.counter = 0;
}
// this.drawGrowEye(this.width/4 + this.counter);
if (this.draw_spiral) {
this.drawSpiral(rotation)
}
this.eyelidCut(outputRotation);
console.log(this.draw_expand);
if (this.counter % Math.floor(this.width / 4) == 0) {
this.counter = 0;
}
if (this.draw_expand) {
this.drawGrowEye(this.width / 4 + this.counter);
}
if (this.draw_spiral) {
this.drawSpiral(rotation);
}
if (this.draw_pupil) {
this.drawCircle(this.width / 4);
}
ctx.restore();
// this.stepFunc();
// this.counter++;
}
}