Move index.html to assets folder
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Richard Zink committed
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1 file changed
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<!DOCTYPE html>
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<html lang="de">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Wireframe Flight Background</title>
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<style>
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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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overflow: hidden;
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background: #000;
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}
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canvas {
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display: block;
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}
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</style>
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</head>
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<body>
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<canvas id="bgCanvas"></canvas>
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<script>
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const canvas = document.getElementById('bgCanvas');
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const ctx = canvas.getContext('2d');
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let width, height;
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function resize() {
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width = canvas.width = window.innerWidth;
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height = canvas.height = window.innerHeight;
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}
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window.addEventListener('resize', resize);
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resize();
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const camera = {
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x: 0,
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y: 0,
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z: -150,
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fov: 400
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};
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class Point3D {
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constructor(x, y, z) {
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this.x = x;
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this.y = y;
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this.z = z;
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}
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project() {
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const scale = camera.fov / (camera.fov + this.z - camera.z);
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const x2d = this.x * scale + width / 2;
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const y2d = this.y * scale + height / 2;
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return { x: x2d, y: y2d, scale: scale };
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}
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}
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class Airplane {
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constructor() {
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this.x = 0;
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this.y = -50;
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this.z = 50;
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this.vx = 0.8;
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this.vy = 0.3;
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this.vz = 0;
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this.roll = 0;
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this.pitch = 0;
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this.wireframe = [];
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this.init();
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}
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init() {
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const w = 12, h = 4, d = 20;
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const vertices = [
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{ x: 0, y: -h, z: 0 }, // nose tip
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{ x: w, y: 0, z: d / 2 }, // right wing tip
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{ x: -w, y: 0, z: d / 2 }, // left wing tip
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{ x: 0, y: 0, z: -d / 2 }, // tail center
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{ x: w, y: 0, z: -d / 4 }, // tail right
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{ x: -w, y: 0, z: -d / 4 }, // tail left
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{ x: 0, y: h, z: 0 } // bottom
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];
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const edges = [
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[0, 1], [0, 2], [0, 6], // nose connections
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[1, 2], // wing base
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[1, 4], [2, 5], // wings to tail
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[3, 4], [3, 5], // tail cross
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[4, 5], // tail base
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[6, 1], [6, 2], [6, 3] // bottom connections
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];
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this.wireframe = { vertices, edges };
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}
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update() {
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this.x += this.vx;
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this.y += this.vy * Math.sin(this.x / 50);
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this.roll = Math.sin(this.x / 60) * 0.3;
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this.pitch = Math.cos(this.x / 60) * 0.2;
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if (this.x > width / 2 + 100) {
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this.x = -width / 2 - 100;
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}
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}
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draw() {
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ctx.strokeStyle = '#00ff88';
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ctx.lineWidth = 1.5;
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ctx.shadowBlur = 10;
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ctx.shadowColor = '#00ff88';
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const rotated = this.wireframe.vertices.map(v => {
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let x = v.x, y = v.y, z = v.z;
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// Rotate around Y (roll)
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const cosR = Math.cos(this.roll), sinR = Math.sin(this.roll);
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const x1 = x * cosR - z * sinR;
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const z1 = x * sinR + z * cosR;
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// Rotate around X (pitch)
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const cosP = Math.cos(this.pitch), sinP = Math.sin(this.pitch);
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const y1 = y * cosP - z1 * sinP;
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const z2 = y * sinP + z1 * cosP;
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return new Point3D(this.x + x1, this.y + y1, this.z + z2);
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});
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ctx.beginPath();
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this.wireframe.edges.forEach(([a, b]) => {
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const p1 = rotated[a].project();
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const p2 = rotated[b].project();
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ctx.moveTo(p1.x, p1.y);
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ctx.lineTo(p2.x, p2.y);
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});
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ctx.stroke();
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ctx.shadowBlur = 0;
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}
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}
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class Landscape {
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constructor() {
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this.points = [];
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this.init();
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}
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init() {
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const spacing = 40;
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for (let x = -200; x <= 200; x += spacing) {
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for (let z = -200; z <= 200; z += spacing) {
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const y = Math.sin(x / 30) * 20 + Math.cos(z / 30) * 20 + Math.random() * 10;
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this.points.push(new Point3D(x, y, z));
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}
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}
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}
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draw() {
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ctx.strokeStyle = '#0088ff';
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ctx.lineWidth = 0.8;
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ctx.globalAlpha = 0.4;
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const grid = [];
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this.points.forEach(p => {
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const proj = p.project();
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const key = Math.round(proj.x / 20) + ',' + Math.round(proj.y / 20);
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grid[key] = proj;
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});
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const spacing = 40;
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const size = 200;
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for (let x = -size; x <= size; x += spacing) {
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for (let z = -size; z <= size; z += spacing) {
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const idx = this.points.findIndex(p => Math.round(p.x) === x && Math.round(p.z) === z);
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if (idx === -1) continue;
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const p = this.points[idx];
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const pProj = p.project();
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const right = this.points.find(p2 => Math.round(p2.x) === x + spacing && Math.round(p2.z) === z);
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const down = this.points.find(p2 => Math.round(p2.x) === x && Math.round(p2.z) === z + spacing);
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if (right) {
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ctx.beginPath();
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ctx.moveTo(pProj.x, pProj.y);
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ctx.lineTo(right.project().x, right.project().y);
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ctx.stroke();
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}
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if (down) {
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ctx.beginPath();
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ctx.moveTo(pProj.x, pProj.y);
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ctx.lineTo(down.project().x, down.project().y);
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ctx.stroke();
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}
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}
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}
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ctx.globalAlpha = 1;
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}
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}
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const airplane = new Airplane();
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const landscape = new Landscape();
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function animate() {
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ctx.fillStyle = '#000';
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ctx.fillRect(0, 0, width, height);
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landscape.draw();
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airplane.update();
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airplane.draw();
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requestAnimationFrame(animate);
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}
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animate();
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</script>
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</body>
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</html>
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