glunzunk-engine/ssao.html at main · MTSyntho/glunzunk-engine · 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
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Three.js SSAO with Postprocessing</title>
  <style>
    body { margin: 0; overflow: hidden; }
    canvas { display: block; }
  </style>
</head>
<body>
  <script src="https://cdn.jsdelivr.net/npm/three@0.137.5/build/three.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/postprocessing"></script>
  <script>
    // Set up the scene
    const scene = new THREE.Scene();
    const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
    const renderer = new THREE.WebGLRenderer();
    renderer.setSize(window.innerWidth, window.innerHeight);
    document.body.appendChild(renderer.domElement);

    // Create a simple cube
    const geometry = new THREE.BoxGeometry();
    const material = new THREE.MeshStandardMaterial({ color: 0x0077ff });
    const cube = new THREE.Mesh(geometry, material);
    scene.add(cube);

    // Add ambient and directional lights
    const ambientLight = new THREE.AmbientLight(0x404040);
    const directionalLight = new THREE.DirectionalLight(0xffffff, 1);
    directionalLight.position.set(5, 5, 5).normalize();
    scene.add(ambientLight, directionalLight);

    // Set up the camera position
    camera.position.z = 5;

    // Create a composer for post-processing
    const composer = new POSTPROCESSING.EffectComposer(renderer);

    // Create a render pass
    const renderPass = new POSTPROCESSING.RenderPass(scene, camera);
    composer.addPass(renderPass);

    // Create an SSAO effect
    const ssaoEffect = new POSTPROCESSING.SSAOEffect(camera, scene.background, {
      radius: 0.1,
      intensity: 1.0,
      luminanceInfluence: 0.9,
      color: new THREE.Color(0x000000)
    });
    composer.addPass(ssaoEffect);

    // Handle window resizing
    window.addEventListener('resize', () => {
      renderer.setSize(window.innerWidth, window.innerHeight);
      camera.aspect = window.innerWidth / window.innerHeight;
      camera.updateProjectionMatrix();
      composer.setSize(window.innerWidth, window.innerHeight);
    });

    // Animation loop
    function animate() {
      requestAnimationFrame(animate);

      // Rotate the cube
      cube.rotation.x += 0.01;
      cube.rotation.y += 0.01;

      // Render the scene with SSAO effect
      composer.render();
    }

    animate();
  </script>
</body>
</html>