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141
animate 0.2/js/index.js
Normal file
141
animate 0.2/js/index.js
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@@ -0,0 +1,141 @@
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//jshint esversion:8
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i = 0;
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const canvas = document.getElementById("mainCanvas");
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canvas.width = canvas.clientWidth;
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canvas.height = canvas.clientHeight;
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var ctx = canvas.getContext("2d");
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centerX = canvas.width / 2;
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centerY = canvas.height / 2;
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let DEBUGTools = new DebugTools(ctx, centerX, centerY);
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let testPoly = new RandomPolygon(ctx, 300, centerX, centerY, 6, "crimson");
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let testSquare = new Square(
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ctx,
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500,
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centerX,
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centerY,
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0,
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0,
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0,
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0,
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"blueViolet",
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false
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);
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let testCube = new Cube(
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ctx,
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500,
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centerX,
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centerY,
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0,
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0,
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0,
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0,
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"blueViolet",
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false
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);
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let testTet = new Tetrahedron(
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ctx,
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300,
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centerX,
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centerY,
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0,
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0,
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0,
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0,
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"blueViolet",
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false
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);
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let tetArray = [];
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// for (let i = 0; i < 100; i++) {
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// tetArray.push(
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// new Tetrahedron(
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// ctx,
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// 300 - i * (300/100),
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// centerX,
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// centerY + 140,
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// 0,
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// 45,
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// 0,
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// 35.264,
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// "rgb(" + (255 - i * (255/100)) + ", 0, 0)",
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// false
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// )
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// );
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// }
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// testTet.rotateSetOrg(60,0,35.264);
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// testTet.rotateAddY(15);
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// testTet.rotateAddX(15);
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// testCube.rotateSetOrg(45,0,35.264);
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// testTet.globalY +=140;
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// testTet.rotateAddY(15);
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tetArray.push(
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new Tetrahedron(
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ctx,
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200,
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centerX,
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centerY,
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0,
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0,
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0,
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0,
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"rgb(255, 0, 0)",
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false
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)
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);
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tetArray.push(
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new Tetrahedron(
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ctx,
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115,
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centerX,
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centerY,
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0,
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0,
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0,
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0,
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"rgb(200, 0, 0)",
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false
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)
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);
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let drawStack = [];
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// drawStack.push(testTet);
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drawStack.push(...tetArray);
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// drawStack[0].rotateAddY(30);
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drawStack[1].rotateAddY(45);
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drawStack[1].rotateAddX(35.264);
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drawStack[1].rotateAddZ(30);
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drawStack[0].rotateAddY(45);
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drawStack[0].rotateAddX(35.264);
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function main() {
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setTimeout(() => {
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main();
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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// drawStack[1].rotateAddX(1);
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// drawStack[1].rotateAddY(1);
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// drawStack[1].rotateAddZ(.2);
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// for (let i = 0; i < drawStack.length; i++) {
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// drawStack[i].rotateAddY(0.005*(i+1));
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// }
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// drawStack.push(testCube);
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// testTet.rotateAddX(.3);
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// testTet.rotateAddY(.05);
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// testTet.rotateAddZ(.5);
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// testCube.rotateAddX(1);
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// testCube.rotateAddY(1);
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// testCube.rotateAddZ(1);
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for (let i = 0; i < drawStack.length; i++) {
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drawStack[i].draw();
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}
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DEBUGTools.drawCenter(50);
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}, 1000 / 60);
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}
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window.onload = main;
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81
animate 0.2/js/math.js
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81
animate 0.2/js/math.js
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@@ -0,0 +1,81 @@
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function degToRad(deg) {
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return (deg * Math.PI) / 180;
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}
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function rotateMatrix2d(p, angle) {
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// cos0 sin0
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// -sin0 cos0
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const angleD = degToRad(angle);
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const r = [
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[Math.cos(angleD), Math.sin(angleD)],
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[-Math.sin(angleD), Math.cos(angleD)],
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];
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const newPoint = [
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p[0] * r[0][0] + p[1] * r[0][1],
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p[0] * r[1][0] + p[1] * r[1][1],
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];
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return newPoint;
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}
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function rotateMatrix3dX(p, angle) {
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// cos0 sin0
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// -sin0 cos0
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const angleD = degToRad(angle);
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const r = [
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[1, 0, 0],
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[0, Math.cos(angleD), -Math.sin(angleD)],
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[0, Math.sin(angleD), Math.cos(angleD)],
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];
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const newPoint = [
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p[0] * r[0][0] + p[1] * r[0][1] + p[2] * r[0][2],
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p[0] * r[1][0] + p[1] * r[1][1] + p[2] * r[1][2],
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p[0] * r[2][0] + p[1] * r[2][1] + p[2] * r[2][2],
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];
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return newPoint;
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}
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function rotateMatrix3dY(p, angle) {
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// cos0 sin0
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// -sin0 cos0
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const angleD = degToRad(angle);
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const r = [
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[Math.cos(angleD), 0, Math.sin(angleD)],
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[0, 1, 0],
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[-Math.sin(angleD), 0, Math.cos(angleD)],
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];
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const newPoint = [
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p[0] * r[0][0] + p[1] * r[0][1] + p[2] * r[0][2],
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p[0] * r[1][0] + p[1] * r[1][1] + p[2] * r[1][2],
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p[0] * r[2][0] + p[1] * r[2][1] + p[2] * r[2][2],
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];
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return newPoint;
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}
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function rotateMatrix3dZ(p, angle) {
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// cos0 sin0
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// -sin0 cos0
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const angleD = degToRad(angle);
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const r = [
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[Math.cos(angleD), -Math.sin(angleD), 0],
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[Math.sin(angleD), Math.cos(angleD), 0],
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[0, 0, 1],
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];
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const newPoint = [
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p[0] * r[0][0] + p[1] * r[0][1] + p[2] * r[0][2],
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p[0] * r[1][0] + p[1] * r[1][1] + p[2] * r[1][2],
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p[0] * r[2][0] + p[1] * r[2][1] + p[2] * r[2][2],
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];
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return newPoint;
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}
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function projectionOrth(v) {
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const p = [
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[1, 0, 0],
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[0, 1, 0],
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];
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const nPoint = [
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p[0][0] * v[0] + p[0][1] * v[1] + p[0][2] * v[2],
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p[1][0] * v[0] + p[1][1] * v[1] + p[1][2] * v[2],
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];
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return nPoint;
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}
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460
animate 0.2/js/objects.js
Normal file
460
animate 0.2/js/objects.js
Normal file
@@ -0,0 +1,460 @@
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// import math from "math.js";
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class Cube {
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constructor(ctx, width, x, y, z, rx, ry, rz, color, solid) {
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this.ctx = ctx;
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this.color = color;
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this.width = width;
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this.solid = solid;
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this.maxRadius = this.width / Math.cos(degToRad(45)); //TODO trig
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this.pointsOrg = [];
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this.pointsOrg.push([-this.width / 2, -this.width / 2, -this.width / 2]);
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this.pointsOrg.push([this.width / 2, -this.width / 2, -this.width / 2]);
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this.pointsOrg.push([this.width / 2, this.width / 2, -this.width / 2]);
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this.pointsOrg.push([-this.width / 2, this.width / 2, -this.width / 2]);
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this.pointsOrg.push([-this.width / 2, -this.width / 2, this.width / 2]);
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this.pointsOrg.push([this.width / 2, -this.width / 2, this.width / 2]);
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this.pointsOrg.push([this.width / 2, this.width / 2, this.width / 2]);
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this.pointsOrg.push([-this.width / 2, this.width / 2, this.width / 2]);
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this.points = JSON.parse(JSON.stringify(this.pointsOrg));
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this.centerX = 0;
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this.centerY = 0;
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this.globalX = x;
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this.globalY = y;
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this.globalZ = z; //might not need
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this.rotX = 0;
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this.rotY = 0;
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this.rotZ = 0;
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}
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draw() {
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let projPoints = [];
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for (let i = 0; i < this.points.length; i++) {
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projPoints.push(projectionOrth(this.points[i]));
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}
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if (this.solid) {
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this.ctx.fillStyle = this.color;
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} else {
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this.ctx.strokeStyle = this.color;
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}
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this.ctx.beginPath();
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this.ctx.moveTo(
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this.globalX + projPoints[0][0],
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this.globalY + projPoints[0][1]
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);
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for (let i = 1; i < 4; i++) {
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this.ctx.lineTo(
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this.globalX + projPoints[i][0],
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this.globalY + projPoints[i][1]
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);
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}
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this.ctx.lineTo(
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this.globalX + projPoints[0][0],
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this.globalY + projPoints[0][1]
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);
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this.ctx.moveTo(
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this.globalX + projPoints[4][0],
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this.globalY + projPoints[4][1]
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);
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for (let i = 5; i < 8; i++) {
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this.ctx.lineTo(
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this.globalX + projPoints[i][0],
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this.globalY + projPoints[i][1]
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);
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}
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this.ctx.lineTo(
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this.globalX + projPoints[4][0],
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this.globalY + projPoints[4][1]
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);
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for (let i = 0; i < 4; i++) {
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this.ctx.moveTo(
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this.globalX + projPoints[i][0],
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this.globalY + projPoints[i][1]
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);
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this.ctx.lineTo(
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this.globalX + projPoints[i + 4][0],
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this.globalY + projPoints[i + 4][1]
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);
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}
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if (this.solid) {
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this.ctx.fill();
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} else {
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this.ctx.stroke();
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}
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}
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drawCenter(x, y, width, color) {
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let testLineX = new Line(
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this.ctx,
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[x + this.centerX - width, y + this.centerY],
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[x + this.centerX + width, y + this.centerY],
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color
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);
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let testLineY = new Line(
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this.ctx,
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[x + this.centerX, y + this.centerY - width],
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[x + this.centerX, y + this.centerY + width],
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color
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);
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testLineX.draw();
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testLineY.draw();
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}
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rotateAddX(deg) {
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this.rotX += deg;
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for (let i = 0; i < this.points.length; i++) {
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this.points[i] = rotateMatrix3dX(this.points[i], deg);
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}
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}
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rotateAddY(deg) {
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this.rotY += deg;
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for (let i = 0; i < this.points.length; i++) {
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this.points[i] = rotateMatrix3dY(this.points[i], deg);
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}
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}
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rotateAddZ(deg) {
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this.rotZ += deg;
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for (let i = 0; i < this.points.length; i++) {
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this.points[i] = rotateMatrix3dZ(this.points[i], deg);
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}
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console.log(this.rotZ);
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}
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rotateSetOrg(x, y, z) {
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for (let i = 0; i < this.points.length; i++) {
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this.pointsOrg[i] = rotateMatrix3dX(this.pointsOrg[i], x);
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}
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for (let i = 0; i < this.points.length; i++) {
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this.pointsOrg[i] = rotateMatrix3dZ(this.pointsOrg[i], y);
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}
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for (let i = 0; i < this.points.length; i++) {
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this.pointsOrg[i] = rotateMatrix3dZ(this.pointsOrg[i], z);
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}
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this.points = JSON.parse(JSON.stringify(this.pointsOrg));
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}
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}
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class Tetrahedron {
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constructor(ctx, width, x, y, z, rx, ry, rz, color, solid) {
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this.ctx = ctx;
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this.color = color;
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this.width = width;
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this.solid = solid;
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this.maxRadius = this.width / Math.cos(degToRad(45)); //TODO trig
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this.pointsOrg = [];
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// this.pointsOrg.push([-1 * width, 1 * width, -1 * width]);
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// this.pointsOrg.push([1 * width, 1 * width, 1 * width]);
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// this.pointsOrg.push([1 * width, -1 * width, -1 * width]);
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// this.pointsOrg.push([-1 * width, -1 * width, 1 * width]);
|
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this.pointsOrg.push([1 * width, 1 * width, 1 * width]);
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this.pointsOrg.push([1 * width, -1 * width, -1 * width]);
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this.pointsOrg.push([-1 * width, 1 * width, -1 * width]);
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this.pointsOrg.push([-1 * width, -1 * width, 1 * width]);
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// this.pointsOrg.push([(8/9)^.5 * width, 0, -1/3 * width]);
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// this.pointsOrg.push([-(2/9)^.5 * width, (2/3)^.5 * width, -1/3 * width]);
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// this.pointsOrg.push([-(2/9)^.5 * width, -(2/3)^.5 * width, -1/3 * width]);
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// this.pointsOrg.push([0,0, 1 * width]);
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this.points = JSON.parse(JSON.stringify(this.pointsOrg));
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this.centerX = 0;
|
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this.centerY = 0;
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this.globalX = x;
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this.globalY = y;
|
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|
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this.rotX = 0;
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this.rotY = 0;
|
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this.rotZ = 0;
|
||||
|
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this.rotateSetOrg(rx, ry, rz);
|
||||
|
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}
|
||||
draw() {
|
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let projPoints = [];
|
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for (let i = 0; i < this.points.length; i++) {
|
||||
projPoints.push(projectionOrth(this.points[i]));
|
||||
}
|
||||
|
||||
if (this.solid) {
|
||||
this.ctx.fillStyle = this.color;
|
||||
} else {
|
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this.ctx.strokeStyle = this.color;
|
||||
}
|
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this.ctx.beginPath();
|
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this.ctx.moveTo(
|
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this.globalX + projPoints[0][0],
|
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this.globalY + projPoints[0][1]
|
||||
);
|
||||
for (let i = 1; i < 3; i++) {
|
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this.ctx.lineTo(
|
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this.globalX + projPoints[i][0],
|
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this.globalY + projPoints[i][1]
|
||||
);
|
||||
}
|
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this.ctx.lineTo(
|
||||
this.globalX + projPoints[0][0],
|
||||
this.globalY + projPoints[0][1]
|
||||
);
|
||||
this.ctx.lineTo(
|
||||
this.globalX + projPoints[3][0],
|
||||
this.globalY + projPoints[3][1]
|
||||
);
|
||||
this.ctx.lineTo(
|
||||
this.globalX + projPoints[1][0],
|
||||
this.globalY + projPoints[1][1]
|
||||
);
|
||||
this.ctx.moveTo(
|
||||
this.globalX + projPoints[3][0],
|
||||
this.globalY + projPoints[3][1]
|
||||
);
|
||||
this.ctx.lineTo(
|
||||
this.globalX + projPoints[2][0],
|
||||
this.globalY + projPoints[2][1]
|
||||
);
|
||||
|
||||
if (this.solid) {
|
||||
this.ctx.fill();
|
||||
} else {
|
||||
this.ctx.stroke();
|
||||
}
|
||||
}
|
||||
drawCenter(x, y, width, color) {
|
||||
let testLineX = new Line(
|
||||
this.ctx,
|
||||
[x + this.centerX - width, y + this.centerY],
|
||||
[x + this.centerX + width, y + this.centerY],
|
||||
color
|
||||
);
|
||||
let testLineY = new Line(
|
||||
this.ctx,
|
||||
[x + this.centerX, y + this.centerY - width],
|
||||
[x + this.centerX, y + this.centerY + width],
|
||||
color
|
||||
);
|
||||
|
||||
testLineX.draw();
|
||||
testLineY.draw();
|
||||
}
|
||||
|
||||
rotateAddX(deg) {
|
||||
this.rotX += deg;
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.points[i] = rotateMatrix3dX(this.points[i], deg);
|
||||
}
|
||||
}
|
||||
rotateAddY(deg) {
|
||||
this.rotY += deg;
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.points[i] = rotateMatrix3dY(this.points[i], deg);
|
||||
}
|
||||
}
|
||||
rotateAddZ(deg) {
|
||||
this.rotZ += deg;
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.points[i] = rotateMatrix3dZ(this.points[i], deg);
|
||||
}
|
||||
console.log(this.rotZ);
|
||||
}
|
||||
rotateSetOrg(x, y, z) {
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.pointsOrg[i] = rotateMatrix3dX(this.pointsOrg[i], x);
|
||||
}
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.pointsOrg[i] = rotateMatrix3dZ(this.pointsOrg[i], y);
|
||||
}
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.pointsOrg[i] = rotateMatrix3dZ(this.pointsOrg[i], z);
|
||||
}
|
||||
|
||||
this.points = JSON.parse(JSON.stringify(this.pointsOrg));
|
||||
}
|
||||
}
|
||||
|
||||
class Square {
|
||||
constructor(ctx, width, x, y, color, solid) {
|
||||
this.ctx = ctx;
|
||||
this.color = color;
|
||||
this.width = width;
|
||||
this.solid = solid;
|
||||
this.maxRadius = this.width / Math.cos(degToRad(45));
|
||||
this.points = [];
|
||||
this.points.push([-this.width / 2, -this.width / 2, 0]);
|
||||
this.points.push([this.width / 2, -this.width / 2, 0]);
|
||||
this.points.push([this.width / 2, this.width / 2, 0]);
|
||||
this.points.push([-this.width / 2, this.width / 2, 0]);
|
||||
|
||||
this.centerX = 0;
|
||||
this.centerY = 0;
|
||||
this.globalX = x;
|
||||
this.globalY = y;
|
||||
}
|
||||
draw() {
|
||||
if (this.solid) {
|
||||
this.ctx.fillStyle = this.color;
|
||||
} else {
|
||||
this.ctx.strokeStyle = this.color;
|
||||
}
|
||||
this.ctx.beginPath();
|
||||
this.ctx.moveTo(
|
||||
this.globalX + this.points[0][0],
|
||||
this.globalY + this.points[0][1]
|
||||
);
|
||||
for (let i = 1; i < this.points.length; i++) {
|
||||
this.ctx.lineTo(
|
||||
this.globalX + this.points[i][0],
|
||||
this.globalY + this.points[i][1]
|
||||
);
|
||||
}
|
||||
this.ctx.lineTo(
|
||||
this.globalX + this.points[0][0],
|
||||
this.globalY + this.points[0][1]
|
||||
);
|
||||
|
||||
if (this.solid) {
|
||||
this.ctx.fill();
|
||||
} else {
|
||||
this.ctx.stroke();
|
||||
}
|
||||
}
|
||||
drawCenter(x, y, width, color) {
|
||||
let testLineX = new Line(
|
||||
this.ctx,
|
||||
[x + this.centerX - width, y + this.centerY],
|
||||
[x + this.centerX + width, y + this.centerY],
|
||||
color
|
||||
);
|
||||
let testLineY = new Line(
|
||||
this.ctx,
|
||||
[x + this.centerX, y + this.centerY - width],
|
||||
[x + this.centerX, y + this.centerY + width],
|
||||
color
|
||||
);
|
||||
|
||||
testLineX.draw();
|
||||
testLineY.draw();
|
||||
}
|
||||
rotateAdd(deg) {
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.points[i] = rotateMatrix2d(this.points[i], deg);
|
||||
}
|
||||
}
|
||||
rotateSet(deg) {}
|
||||
}
|
||||
|
||||
class RandomPolygon {
|
||||
constructor(ctx, width, x, y, sides, color) {
|
||||
this.ctx = ctx;
|
||||
this.color = color;
|
||||
this.sides = sides;
|
||||
this.width = width;
|
||||
this.maxRadius = this.width / Math.cos(degToRad(45));
|
||||
this.points = [];
|
||||
for (let i = 0; i < sides; i++) {
|
||||
const rndNumX = Math.random() * 2 - 1;
|
||||
const rndNumY = Math.random() * 2 - 1;
|
||||
const rndPointX = (this.width * rndNumX) / 2;
|
||||
const rndPointY = (this.width * rndNumY) / 2;
|
||||
this.points.push([Math.round(rndPointX), Math.round(rndPointY)]);
|
||||
}
|
||||
this.globalX = x;
|
||||
this.globalY = y;
|
||||
this.centerX;
|
||||
this.centerY;
|
||||
|
||||
this.findCenter();
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
this.points[i][0] -= this.centerX;
|
||||
this.points[i][1] -= this.centerY;
|
||||
}
|
||||
this.findCenter();
|
||||
}
|
||||
draw() {
|
||||
this.ctx.fillStyle = this.color;
|
||||
this.ctx.beginPath();
|
||||
this.ctx.moveTo(
|
||||
this.globalX + this.points[0][0],
|
||||
this.globalY + this.points[0][1]
|
||||
);
|
||||
for (let i = 1; i < this.points.length; i++) {
|
||||
this.ctx.lineTo(
|
||||
this.globalX + this.points[i][0],
|
||||
this.globalY + this.points[i][1]
|
||||
);
|
||||
}
|
||||
this.ctx.fill();
|
||||
}
|
||||
drawCenter(x, y, width, color) {
|
||||
let testLineX = new Line(
|
||||
this.ctx,
|
||||
[x + this.centerX - width, y + this.centerY],
|
||||
[x + this.centerX + width, y + this.centerY],
|
||||
color
|
||||
);
|
||||
let testLineY = new Line(
|
||||
this.ctx,
|
||||
[x + this.centerX, y + this.centerY - width],
|
||||
[x + this.centerX, y + this.centerY + width],
|
||||
color
|
||||
);
|
||||
|
||||
testLineX.draw();
|
||||
testLineY.draw();
|
||||
}
|
||||
findCenter() {
|
||||
let xTot = 0;
|
||||
let yTot = 0;
|
||||
for (let i = 0; i < this.points.length; i++) {
|
||||
xTot += this.points[i][0];
|
||||
yTot += this.points[i][1];
|
||||
}
|
||||
this.centerX = xTot / this.points.length;
|
||||
this.centerY = yTot / this.points.length;
|
||||
}
|
||||
}
|
||||
|
||||
class Line {
|
||||
constructor(ctx, p1, p2, color) {
|
||||
this.ctx = ctx;
|
||||
this.p1 = p1;
|
||||
this.p2 = p2;
|
||||
this.color = color;
|
||||
}
|
||||
draw() {
|
||||
this.ctx.strokeStyle = this.color;
|
||||
this.ctx.beginPath();
|
||||
this.ctx.moveTo(this.p1[0], this.p1[1]);
|
||||
this.ctx.lineTo(this.p2[0], this.p2[1]);
|
||||
this.ctx.closePath();
|
||||
this.ctx.stroke();
|
||||
}
|
||||
}
|
||||
|
||||
class DebugTools {
|
||||
constructor(ctx, centerX, centerY) {
|
||||
this.ctx = ctx;
|
||||
this.centerX = centerX;
|
||||
this.centerY = centerY;
|
||||
}
|
||||
|
||||
drawCenter(width) {
|
||||
let centerLineX = new Line(
|
||||
this.ctx,
|
||||
[this.centerX - width, this.centerY],
|
||||
[this.centerX + width, this.centerY],
|
||||
"orange"
|
||||
);
|
||||
let centerLineY = new Line(
|
||||
this.ctx,
|
||||
[this.centerX, this.centerY - width],
|
||||
[this.centerX, this.centerY + width],
|
||||
"orange"
|
||||
);
|
||||
centerLineX.draw();
|
||||
centerLineY.draw();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user