animatable/runner.html at master · gwho/animatable · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <title>Three.js SEO Runner Game</title>
  <meta name="description" content="A simple 3D endless runner game built with three.js" />
  <style>
    body { margin: 0; font-family: sans-serif; text-align: center; }
    header { position: absolute; top: 0; width: 100%; z-index: 1; color: #fff; padding: 10px; }
    canvas { display: block; }
    #info { position: absolute; top: 40px; left: 10px; color: white; z-index: 1; }
  </style>
  <script src="https://unpkg.com/three@0.154.0/build/three.min.js"></script>
</head>
<body>
  <header>
    <h1>Three.js Runner Game</h1>
  </header>
  <main>
    <p id="info">Use ←/→ or A/D to move, Space to jump.</p>
    <div id="game"></div>
  </main>
  <script>
    // Create scene, camera and renderer
    const scene = new THREE.Scene();
    const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
    const renderer = new THREE.WebGLRenderer({ antialias: true });
    renderer.setSize(window.innerWidth, window.innerHeight);
    document.getElementById('game').appendChild(renderer.domElement);

    // Lighting
    const light = new THREE.DirectionalLight(0xffffff, 1);
    light.position.set(0, 20, 10);
    scene.add(light);
    scene.add(new THREE.AmbientLight(0x404040));

    // Runner cube
    const runnerGeometry = new THREE.BoxGeometry(1, 1, 1);
    const runnerMaterial = new THREE.MeshStandardMaterial({ color: 0x00ff00 });
    const runner = new THREE.Mesh(runnerGeometry, runnerMaterial);
    runner.position.y = 0.5;
    scene.add(runner);

    // Ground plane
    const planeGeometry = new THREE.PlaneGeometry(10, 1000);
    const planeMaterial = new THREE.MeshStandardMaterial({ color: 0x808080 });
    const ground = new THREE.Mesh(planeGeometry, planeMaterial);
    ground.rotation.x = -Math.PI / 2;
    scene.add(ground);

    // Obstacles array
    let obstacles = [];
    function addObstacle(z) {
      const size = 0.5 + Math.random();
      const geometry = new THREE.BoxGeometry(size, size, size);
      const material = new THREE.MeshStandardMaterial({ color: 0xff0000 });
      const obstacle = new THREE.Mesh(geometry, material);
      obstacle.position.x = (Math.random() - 0.5) * 4;
      obstacle.position.y = size / 2;
      obstacle.position.z = z;
      scene.add(obstacle);
      obstacles.push(obstacle);
    }

    // Initial obstacles
    for (let i = 5; i < 200; i += 5) addObstacle(-i);

    // Player controls
    let speed = 0.2;
    let lane = 0;
    let jumping = false;
    let jumpVelocity = 0;
    function handleKey(event) {
      if (event.code === 'ArrowLeft' || event.code === 'KeyA') lane = Math.max(-2, lane - 1);
      if (event.code === 'ArrowRight' || event.code === 'KeyD') lane = Math.min(2, lane + 1);
      if (event.code === 'Space' && !jumping) {
        jumping = true;
        jumpVelocity = 0.25;
      }
    }
    window.addEventListener('keydown', handleKey);

    camera.position.set(0, 2, 5);

    function animate() {
      requestAnimationFrame(animate);

      // Move the camera forward
      camera.position.z -= speed;
      runner.position.x += (lane - runner.position.x) * 0.2;

      // Handle jumping
      if (jumping) {
        runner.position.y += jumpVelocity;
        jumpVelocity -= 0.01;
        if (runner.position.y <= 0.5) {
          runner.position.y = 0.5;
          jumping = false;
        }
      }

      // Manage obstacles
      obstacles = obstacles.filter(o => {
        if (o.position.z > camera.position.z + 5) {
          scene.remove(o);
          return false;
        }
        return true;
      });
      if (obstacles.length < 40) {
        addObstacle(camera.position.z - 200);
      }

      // Simple collision detection
      for (const o of obstacles) {
        if (Math.abs(o.position.z - runner.position.z) < 1 &&
            Math.abs(o.position.x - runner.position.x) < 0.75 &&
            runner.position.y < o.position.y + 0.5) {
          speed = 0; // stop on collision
        }
      }

      renderer.render(scene, camera);
    }
    animate();

    // Handle window resize
    window.addEventListener('resize', () => {
      camera.aspect = window.innerWidth / window.innerHeight;
      camera.updateProjectionMatrix();
      renderer.setSize(window.innerWidth, window.innerHeight);
    });
  </script>
</body>
</html>