Move index.html to assets folder

assets/index.html

@@ -0,0 +1,225 @@
+<!DOCTYPE html>
+<html lang="de">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Wireframe Flight Background</title>
+    <style>
+        * {
+            margin: 0;
+            padding: 0;
+            box-sizing: border-box;
+        }
+
+        body {
+            overflow: hidden;
+            background: #000;
+        }
+
+        canvas {
+            display: block;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="bgCanvas"></canvas>
+    <script>
+        const canvas = document.getElementById('bgCanvas');
+        const ctx = canvas.getContext('2d');
+
+        let width, height;
+
+        function resize() {
+            width = canvas.width = window.innerWidth;
+            height = canvas.height = window.innerHeight;
+        }
+
+        window.addEventListener('resize', resize);
+        resize();
+
+        const camera = {
+            x: 0,
+            y: 0,
+            z: -150,
+            fov: 400
+        };
+
+        class Point3D {
+            constructor(x, y, z) {
+                this.x = x;
+                this.y = y;
+                this.z = z;
+            }
+
+            project() {
+                const scale = camera.fov / (camera.fov + this.z - camera.z);
+                const x2d = this.x * scale + width / 2;
+                const y2d = this.y * scale + height / 2;
+                return { x: x2d, y: y2d, scale: scale };
+            }
+        }
+
+        class Airplane {
+            constructor() {
+                this.x = 0;
+                this.y = -50;
+                this.z = 50;
+                this.vx = 0.8;
+                this.vy = 0.3;
+                this.vz = 0;
+                this.roll = 0;
+                this.pitch = 0;
+                this.wireframe = [];
+                this.init();
+            }
+
+            init() {
+                const w = 12, h = 4, d = 20;
+                const vertices = [
+                    { x: 0, y: -h, z: 0 },       // nose tip
+                    { x: w, y: 0, z: d / 2 },   // right wing tip
+                    { x: -w, y: 0, z: d / 2 },  // left wing tip
+                    { x: 0, y: 0, z: -d / 2 },  // tail center
+                    { x: w, y: 0, z: -d / 4 },  // tail right
+                    { x: -w, y: 0, z: -d / 4 }, // tail left
+                    { x: 0, y: h, z: 0 }        // bottom
+                ];
+
+                const edges = [
+                    [0, 1], [0, 2], [0, 6], // nose connections
+                    [1, 2],                 // wing base
+                    [1, 4], [2, 5],         // wings to tail
+                    [3, 4], [3, 5],         // tail cross
+                    [4, 5],                 // tail base
+                    [6, 1], [6, 2], [6, 3]  // bottom connections
+                ];
+
+                this.wireframe = { vertices, edges };
+            }
+
+            update() {
+                this.x += this.vx;
+                this.y += this.vy * Math.sin(this.x / 50);
+                this.roll = Math.sin(this.x / 60) * 0.3;
+                this.pitch = Math.cos(this.x / 60) * 0.2;
+
+                if (this.x > width / 2 + 100) {
+                    this.x = -width / 2 - 100;
+                }
+            }
+
+            draw() {
+                ctx.strokeStyle = '#00ff88';
+                ctx.lineWidth = 1.5;
+                ctx.shadowBlur = 10;
+                ctx.shadowColor = '#00ff88';
+
+                const rotated = this.wireframe.vertices.map(v => {
+                    let x = v.x, y = v.y, z = v.z;
+
+                    // Rotate around Y (roll)
+                    const cosR = Math.cos(this.roll), sinR = Math.sin(this.roll);
+                    const x1 = x * cosR - z * sinR;
+                    const z1 = x * sinR + z * cosR;
+
+                    // Rotate around X (pitch)
+                    const cosP = Math.cos(this.pitch), sinP = Math.sin(this.pitch);
+                    const y1 = y * cosP - z1 * sinP;
+                    const z2 = y * sinP + z1 * cosP;
+
+                    return new Point3D(this.x + x1, this.y + y1, this.z + z2);
+                });
+
+                ctx.beginPath();
+                this.wireframe.edges.forEach(([a, b]) => {
+                    const p1 = rotated[a].project();
+                    const p2 = rotated[b].project();
+                    ctx.moveTo(p1.x, p1.y);
+                    ctx.lineTo(p2.x, p2.y);
+                });
+                ctx.stroke();
+
+                ctx.shadowBlur = 0;
+            }
+        }
+
+        class Landscape {
+            constructor() {
+                this.points = [];
+                this.init();
+            }
+
+            init() {
+                const spacing = 40;
+                for (let x = -200; x <= 200; x += spacing) {
+                    for (let z = -200; z <= 200; z += spacing) {
+                        const y = Math.sin(x / 30) * 20 + Math.cos(z / 30) * 20 + Math.random() * 10;
+                        this.points.push(new Point3D(x, y, z));
+                    }
+                }
+            }
+
+            draw() {
+                ctx.strokeStyle = '#0088ff';
+                ctx.lineWidth = 0.8;
+                ctx.globalAlpha = 0.4;
+
+                const grid = [];
+                this.points.forEach(p => {
+                    const proj = p.project();
+                    const key = Math.round(proj.x / 20) + ',' + Math.round(proj.y / 20);
+                    grid[key] = proj;
+                });
+
+                const spacing = 40;
+                const size = 200;
+
+                for (let x = -size; x <= size; x += spacing) {
+                    for (let z = -size; z <= size; z += spacing) {
+                        const idx = this.points.findIndex(p => Math.round(p.x) === x && Math.round(p.z) === z);
+                        if (idx === -1) continue;
+
+                        const p = this.points[idx];
+                        const pProj = p.project();
+
+                        const right = this.points.find(p2 => Math.round(p2.x) === x + spacing && Math.round(p2.z) === z);
+                        const down = this.points.find(p2 => Math.round(p2.x) === x && Math.round(p2.z) === z + spacing);
+
+                        if (right) {
+                            ctx.beginPath();
+                            ctx.moveTo(pProj.x, pProj.y);
+                            ctx.lineTo(right.project().x, right.project().y);
+                            ctx.stroke();
+                        }
+
+                        if (down) {
+                            ctx.beginPath();
+                            ctx.moveTo(pProj.x, pProj.y);
+                            ctx.lineTo(down.project().x, down.project().y);
+                            ctx.stroke();
+                        }
+                    }
+                }
+
+                ctx.globalAlpha = 1;
+            }
+        }
+
+        const airplane = new Airplane();
+        const landscape = new Landscape();
+
+        function animate() {
+            ctx.fillStyle = '#000';
+            ctx.fillRect(0, 0, width, height);
+
+            landscape.draw();
+            airplane.update();
+            airplane.draw();
+
+            requestAnimationFrame(animate);
+        }
+
+        animate();
+    </script>
+</body>
+</html>