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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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35 changes: 33 additions & 2 deletions cube.js
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,14 @@
const vs = [
const vs1 = [
{x: 0.125, y: 0.125, z: 0.125},
{x: -0.125, y: 0.125, z: 0.125},
{x: -0.125, y: -0.125, z: 0.125},
{x: 0.125, y: -0.125, z: 0.125},

{x: 0.125, y: 0.125, z: -0.125},
{x: -0.125, y: 0.125, z: -0.125},
{x: -0.125, y: -0.125, z: -0.125},
{x: 0.125, y: -0.125, z: -0.125},

{x: 0.25, y: 0.25, z: 0.25},
{x: -0.25, y: 0.25, z: 0.25},
{x: -0.25, y: -0.25, z: 0.25},
Expand All@@ -8,13 +18,34 @@ const vs = [
{x: -0.25, y: 0.25, z: -0.25},
{x: -0.25, y: -0.25, z: -0.25},
{x: 0.25, y: -0.25, z: -0.25},

]

const fs = [
const fs1 = [
[0, 1, 2, 3],
[4, 5, 6, 7],

[8, 9, 10, 11],
[12, 13, 14, 15],

[0, 4],
[1, 5],
[2, 6],
[3, 7],

[8, 12],
[9, 13],
[10, 14],
[11, 15],

[0, 8],
[1, 9],
[2, 10],
[3, 11],

[4, 12],
[5, 13],
[6 ,14],
[7, 15]

]
Binary file addedimgs/multi_model_demo.mp4
Binary file not shown.
33 changes: 30 additions & 3 deletions index.html
Original file line numberDiff line numberDiff line change
@@ -1,4 +1,31 @@
<canvas id="game"></canvas>
<script src="penger.js"></script>
<!-- <script src="cube.js"></script> -->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>3d Animation</title>
<style>
.background-color {
background-color:darkgrey;
}
#current-fps {
background-color: black;
color: white;
}
</style>
</head>
<body class="background-color">
<div>
<canvas id="game"></canvas>
<canvas id="game2"></canvas>
</div>

<a id="current-fps"></a>
<label for="speed">Speed (fast to slow):</label>
<input type="range" id="speed" name="speed" min="1" max="1000" value="1000">

</body>
<script src="penger.js"></script>
<script src="cube.js"></script>
<script src="index.js"></script>
</html>
82 changes: 54 additions & 28 deletions index.js
Original file line numberDiff line numberDiff line change
@@ -1,32 +1,41 @@
const BACKGROUND = "#101010"
const FOREGROUND = "#50FF50"
const HEIGHT = 600
const WIDTH = 600

console.log(game)
game.width = 800
game.height = 800
const ctx = game.getContext("2d")
console.log(ctx)
game.width = WIDTH
game.height = HEIGHT
const game1_ctx = game.getContext("2d")
console.log(game1_ctx)

function clear() {
console.log(game2)
game2.width = WIDTH
game2.height = HEIGHT
const game2_ctx = game2.getContext("2d")
console.log(game2_ctx)

function clear(ctx) {
ctx.fillStyle = BACKGROUND
ctx.fillRect(0, 0, game.width, game.height)
}

function point({x, y}) {
function point({x, y}, ctx) {
const s = 20;
ctx.fillStyle = FOREGROUND
ctx.fillRect(x - s/2, y - s/2, s, s)
ctx.fillStyle = FOREGROUND
}

function line(p1, p2) {
ctx.lineWidth = 3;
function line(p1, p2, ctx) {
ctx.lineWidth = 3
ctx.strokeStyle = FOREGROUND
ctx.beginPath();
ctx.moveTo(p1.x, p1.y);
ctx.lineTo(p2.x, p2.y);
ctx.beginPath();
ctx.moveTo(p1.x, p1.y)
ctx.lineTo(p2.x, p2.y)
ctx.stroke();
}


function screen(p) {
// -1..1 => 0..2 => 0..1 => 0..w
return {
Expand All@@ -42,8 +51,11 @@ function project({x, y, z}) {
}
}

const FPS = 60;
const FPS = 60
let dz = 1;
let angle = 0;

document.getElementById("current-fps").innerHTML = "FPS: " + FPS

function translate_z({x, y, z}, dz) {
return {x, y, z: z + dz};
Expand All@@ -59,25 +71,39 @@ function rotate_xz({x, y, z}, angle) {
};
}

let dz = 1;
let angle = 0;
function draw(fs, vs, ctx) {
for(const f of fs) {
for(let i=0;i<f.length;++i){
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]]
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))),
ctx)
}
}
}

function show_points(vs, ctx) {
for (const v of vs) {
point(screen(project(translate_z(rotate_xz(v, angle), dz))), ctx)
}
}


function frame() {
const dt = 1/FPS;
// dz += 1*dt;
angle += Math.PI*dt;
clear()
// for (const v of vs) {
// point(screen(project(translate_z(rotate_xz(v, angle), dz))))
// }
for (const f of fs) {
for (let i = 0; i < f.length; ++i) {
const a = vs[f[i]];
const b = vs[f[(i+1)%f.length]];
line(screen(project(translate_z(rotate_xz(a, angle), dz))),
screen(project(translate_z(rotate_xz(b, angle), dz))))
}
}
setTimeout(frame, 1000/FPS);
clear(game1_ctx)
clear(game2_ctx)

// show_points(vs, game1_ctx)

draw(fs, vs, game1_ctx)
draw(fs1, vs1, game2_ctx)

const val = document.getElementById("speed").value

setTimeout(frame, val/FPS);
}
setTimeout(frame, 1000/FPS);