This repository has been archived by the owner on Nov 18, 2024. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 36
/
Copy pathwebgl2_multisampled_renderbuffers.html
189 lines (132 loc) · 5.15 KB
/
webgl2_multisampled_renderbuffers.html
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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
<!DOCTYPE html>
<html lang="en">
<head>
<title>Verge3D WebGL 2 - Multisampled Renderbuffers</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<link type="text/css" rel="stylesheet" href="main.css">
<style>
body {
background-color: #fff;
color: #222;
}
a {
color: #08f;
}
#container {
position: absolute;
top: 70px;
width: 100%;
bottom: 0px;
}
</style>
</head>
<body>
<div id="info">
<a href="https://www.soft8soft.com/verge3d" target="_blank" rel="noopener">Verge3D</a> - Multisampled Renderbuffers<br />
Left: WebGLRenderTarget, Right: WebGLMultisampleRenderTarget.
</div>
<div id="container">
</div>
<!-- Import maps polyfill -->
<!-- Remove this when import maps will be widely supported -->
<script async src="https://unpkg.com/[email protected]/dist/es-module-shims.js"></script>
<script type="importmap">
{
"imports": {
"v3d": "../build/v3d.module.js",
"v3d/addons/": "./jsm/"
}
}
</script>
<script type="module">
import * as v3d from 'v3d';
import { EffectComposer } from 'v3d/addons/postprocessing/EffectComposer.js';
import { RenderPass } from 'v3d/addons/postprocessing/RenderPass.js';
import { ShaderPass } from 'v3d/addons/postprocessing/ShaderPass.js';
import { CopyShader } from 'v3d/addons/shaders/CopyShader.js';
import WebGL from 'v3d/addons/capabilities/WebGL.js';
let camera, renderer, clock, group, container;
let composer1, composer2;
init();
function init() {
if (WebGL.isWebGL2Available() === false) {
document.body.appendChild(WebGL.getWebGL2ErrorMessage());
return;
}
container = document.getElementById('container');
camera = new v3d.PerspectiveCamera(45, container.offsetWidth / container.offsetHeight, 1, 2000);
camera.position.z = 500;
const scene = new v3d.Scene();
scene.background = new v3d.Color(0xffffff);
scene.fog = new v3d.Fog(0xcccccc, 100, 1500);
clock = new v3d.Clock();
//
const hemiLight = new v3d.HemisphereLight(0xffffff, 0x222222, 1.5);
hemiLight.position.set(1, 1, 1);
scene.add(hemiLight);
//
group = new v3d.Group();
const geometry = new v3d.SphereGeometry(10, 64, 40);
const material = new v3d.MeshLambertMaterial({ color: 0xee0808 });
const material2 = new v3d.MeshBasicMaterial({ color: 0xffffff, wireframe: true });
for (let i = 0; i < 10; i++) {
const mesh = new v3d.Mesh(geometry, material);
mesh.position.x = Math.random() * 600 - 300;
mesh.position.y = Math.random() * 600 - 300;
mesh.position.z = Math.random() * 600 - 300;
mesh.rotation.x = Math.random();
mesh.rotation.z = Math.random();
mesh.scale.setScalar(Math.random() * 5 + 5);
group.add(mesh);
const mesh2 = new v3d.Mesh(geometry, material2);
mesh2.position.copy(mesh.position);
mesh2.rotation.copy(mesh.rotation);
mesh2.scale.copy(mesh.scale);
group.add(mesh2);
}
scene.add(group);
//
renderer = new v3d.WebGLRenderer();
renderer.autoClear = false;
renderer.setPixelRatio(window.devicePixelRatio);
renderer.setSize(container.offsetWidth, container.offsetHeight);
container.appendChild(renderer.domElement);
//
const size = renderer.getDrawingBufferSize(new v3d.Vector2());
const renderTarget = new v3d.WebGLRenderTarget(size.width, size.height, { samples: 4 });
const renderPass = new RenderPass(scene, camera);
const copyPass = new ShaderPass(CopyShader);
//
composer1 = new EffectComposer(renderer);
composer1.addPass(renderPass);
composer1.addPass(copyPass);
//
composer2 = new EffectComposer(renderer, renderTarget);
composer2.addPass(renderPass);
composer2.addPass(copyPass);
//
window.addEventListener('resize', onWindowResize);
animate();
}
function onWindowResize() {
camera.aspect = container.offsetWidth / container.offsetHeight;
camera.updateProjectionMatrix();
renderer.setSize(container.offsetWidth, container.offsetHeight);
composer1.setSize(container.offsetWidth, container.offsetHeight);
composer2.setSize(container.offsetWidth, container.offsetHeight);
}
function animate() {
requestAnimationFrame(animate);
const halfWidth = container.offsetWidth / 2;
group.rotation.y += clock.getDelta() * 0.1;
renderer.setScissorTest(true);
renderer.setScissor(0, 0, halfWidth - 1, container.offsetHeight);
composer1.render();
renderer.setScissor(halfWidth, 0, halfWidth, container.offsetHeight);
composer2.render();
renderer.setScissorTest(false);
}
</script>
</body>
</html>