/
setup.js
169 lines (141 loc) · 4.84 KB
/
setup.js
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
var camera, scene, renderer, controls, gui;
var mouse = {x: 0, y: 0};
var startTime = new Date().getTime();
var buffer = 100;
var time;
var nextUpdate = buffer;
var parameters;
function resize(){
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
}
function updateGUI(){
shaderMat.uniforms['fSpeed'].value = parameters['speed'];
shaderMat.uniforms['fOpacity'].value = parameters['opacity'];
shaderMat.uniforms['amtRed'].value = parameters['red'];
shaderMat.uniforms['amtGreen'].value = parameters['green'];
shaderMat.uniforms['amtBlue'].value = parameters['blue'];
}
function changeToSphere(){
shaderPlane.geometry = new THREE.SphereBufferGeometry(1, 256, 256);
}
function changeToBox(){
shaderPlane.geometry = new THREE.BoxBufferGeometry(1, 1, 1, 256, 256);
}
function changeToCircle(){
shaderPlane.geometry = new THREE.CircleBufferGeometry(1, 256, 256);
}
function changeToCone(){
shaderPlane.geometry = new THREE.ConeBufferGeometry(1, .001, 256, 256);
}
function changeToPlane(){
shaderPlane.geometry = new THREE.PlaneBufferGeometry(1, 256, 256);
}
function changeToTorus(){
shaderPlane.geometry = new THREE.TorusBufferGeometry(1, .5, 256, 256);
}
function changeToKnot(){
shaderPlane.geometry = new THREE.TorusKnotBufferGeometry(1, .5, 256, 256);
}
function changeToRing(){
shaderPlane.geometry = new THREE.RingBufferGeometry(.5, 1, 256, 256);
}
function init() {
var container = document.getElementById( 'container' );
renderer = new THREE.WebGLRenderer({antialias: true});
renderer.shadowMap.enabled = true;
renderer.shadowMap.type = THREE.PCSoftShadowMap;
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight);
container.appendChild( renderer.domElement );
camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 10000 );
camera.position.set(4, 8, 10);
controls = new THREE.TrackballControls(camera, renderer.domElement);
controls.rotateSpeed = 2.0;
controls.panSpeed = 0.8;
controls.zoomSpeed = 1.5;
gui = new dat.GUI({
height: 6 * 32 - 1
});
parameters = {
speed: 50.0,
opacity: 0.05,
red: 1.0,
green: 1.0,
blue: 1.0,
sphere: changeToSphere,
cube: changeToBox,
circle: changeToCircle,
plane: changeToPlane,
cone: changeToCone,
torus: changeToTorus,
knot: changeToKnot,
ring: changeToRing
};
var properties = gui.addFolder('properties');
properties.add(parameters, 'speed').min(0.0).max(1000.0).step(1.0);
properties.add(parameters, 'opacity').min(0.0).max(1.0).step(0.01);
properties.add(parameters, 'red').min(0.0).max(1.0).step(0.01);
properties.add(parameters, 'green').min(0.0).max(1.0).step(0.01);
properties.add(parameters, 'blue').min(0.0).max(1.0).step(0.01);
var shape = gui.addFolder('shape');
shape.add(parameters, 'sphere');
shape.add(parameters, 'cube');
shape.add(parameters, 'circle');
shape.add(parameters, 'plane');
shape.add(parameters, 'cone');
shape.add(parameters, 'torus');
shape.add(parameters, 'knot');
shape.add(parameters, 'ring');
scene = new THREE.Scene();
var directionalLight = new THREE.DirectionalLight(0xffffff, .7);
directionalLight.position.set(1, -1, 0).normalize();
directionalLight.castShadow = true;
var ambientLight = new THREE.AmbientLight(0xffffff);
scene.add(ambientLight);
scene.add(directionalLight);
var noiseTex = THREE.ImageUtils.loadTexture("/assets/rgb texture.png");
noiseTex.wrapT = noiseTex.wrapS = THREE.RepeatWrapping;
var zoomDivider = 12;
shaderMat = new THREE.ShaderMaterial( {
transparent: true,
wireframe: true,
//shading: THREE.FlatShading,
wireframe: true,
uniforms: {
"uTime": { type: "f", value: 0.0 },
"tPerlin": { type: "t", value: noiseTex },
"fSpeed" : { type: "f", value: 50.0},
"fOpacity" : {type: "f", value: .05},
"amtRed" : {type: "f", value: 1.0},
"amtBlue" : {type: "f", value: 1.0},
"amtGreen" : {type: "f", value: 1.0}
},
depthTest: false,
vertexShader: document.getElementById( 'vertexShader' ).textContent,
fragmentShader: document.getElementById( 'fragmentShader' ).textContent
} );
var shaderGeom = new THREE.BoxBufferGeometry(1, 1, 1, 256, 256);
shaderPlane = new THREE.Mesh(shaderGeom, shaderMat);
shaderPlane.scale.set(5, 5, 5);
scene.add(shaderPlane);
window.addEventListener('resize', resize);
}
function update(){
camera.lookAt(scene.position);
updateGUI();
controls.update();
time = new Date().getTime() - startTime;
shaderMat.uniforms['uTime'].value = time * .000000250;
if (time>nextUpdate){ //if we passed update point, set new update point
nextUpdate = time + buffer;
}
}
function animate(){
update();
renderer.render(scene, camera);
window.requestAnimationFrame(animate);
}
init();
animate();