martucol.github.io/TEST07_SHADERH3LL0.html at master · martucol/martucol.github.io · 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
<!DOCTYPE html>
<html>
  <head>
    <title> TEST07 </title>
  </head>
  <body>
    <h1 align="centre">04515</h1>

    <div id="container"></div>
    <script src="js/three.min.js"></script>
    <script id="vertexShader" type="x-shader/x-vertex">
        void main() {
            gl_Position = vec4( position, 1.0 );
        }
    </script>
    <script id="fragmentShader" type="x-shader/x-fragment">


        void main() {
            gl_FragColor=vec4(1.0,0.6,0.6,1.0);
        }
    </script>
    <script>
        var camera, scene, renderer;
        var uniforms;

        init();
        animate();

        function init() {
            renderer = new THREE.WebGLRenderer({antialias:true});
            renderer.setSize( window.innerWidth, window.innerHeight);
            document.body.appendChild( renderer.domElement);

            camera = new THREE.PerspectiveCamera();
            camera.position.z = -10;


            scene = new THREE.Scene();

            var geometry = new THREE.SphereGeometry( 2, 16, 8 );

            uniforms = {
                u_time: { type: "f", value: 1.0 },
                u_resolution: { type: "v2", value: new THREE.Vector2() },
                u_mouse: { type: "v2", value: new THREE.Vector2() }
            };

            var material = new THREE.ShaderMaterial( {
                uniforms: uniforms,
                vertexShader: document.getElementById( 'vertexShader' ).textContent,
                fragmentShader: document.getElementById( 'fragmentShader' ).textContent
            } );

            var mtrl = new THREE.MeshBasicMaterial({color:0xffffff});
            var mesh = new THREE.Mesh( geometry, material );
            scene.add( mesh );
            camera.lookAt(mesh.position);


            onWindowResize();
            window.addEventListener( 'resize', onWindowResize, false );

            document.onmousemove = function(e){
              uniforms.u_mouse.value.x = e.pageX
              uniforms.u_mouse.value.y = e.pageY
            }
        }

        function onWindowResize( event ) {
            renderer.setSize( window.innerWidth, window.innerHeight );
            uniforms.u_resolution.value.x = renderer.domElement.width;
            uniforms.u_resolution.value.y = renderer.domElement.height;
        }

        function animate() {
            requestAnimationFrame( animate );
            render();
        }

        function render() {
            uniforms.u_time.value += 0.05;
            renderer.render( scene, camera );
        }
    </script>
</body>
</html>