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 | import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
import Stats from 'three/examples/jsm/libs/stats.module'
import { GUI } from 'three/examples/jsm/libs/dat.gui.module'
const scene = new THREE.Scene()
scene.add(new THREE.AxesHelper(5))
const light = new THREE.PointLight(0xffffff, 2)
light.position.set(10, 10, 10)
scene.add(light)
const light2 = new THREE.PointLight(0xffffff, 2)
light2.position.set(-10, -10, -10)
scene.add(light2)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
1000
)
camera.position.z = 3
const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
new OrbitControls(camera, renderer.domElement)
const boxGeometry = new THREE.BoxGeometry()
const sphereGeometry = new THREE.SphereGeometry()
const icosahedronGeometry = new THREE.IcosahedronGeometry(1, 0)
const planeGeometry = new THREE.PlaneGeometry()
const torusKnotGeometry = new THREE.TorusKnotGeometry()
const material = new THREE.MeshPhongMaterial()
const texture = new THREE.TextureLoader().load('img/grid.png')
material.map = texture
const envTexture = new THREE.CubeTextureLoader().load([
'img/px_50.png',
'img/nx_50.png',
'img/py_50.png',
'img/ny_50.png',
'img/pz_50.png',
'img/nz_50.png',
])
envTexture.mapping = THREE.CubeReflectionMapping
// envTexture.mapping = THREE.CubeRefractionMapping
material.envMap = envTexture
const cube = new THREE.Mesh(boxGeometry, material)
cube.position.x = 5
scene.add(cube)
const sphere = new THREE.Mesh(sphereGeometry, material)
sphere.position.x = 3
scene.add(sphere)
const icosahedron = new THREE.Mesh(icosahedronGeometry, material)
icosahedron.position.x = 0
scene.add(icosahedron)
const plane = new THREE.Mesh(planeGeometry, material)
plane.position.x = -2
scene.add(plane)
const torusKnot = new THREE.Mesh(torusKnotGeometry, material)
torusKnot.position.x = -5
scene.add(torusKnot)
window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
render()
}
const stats = Stats()
document.body.appendChild(stats.dom)
const options = {
side: {
FrontSide: THREE.FrontSide,
BackSide: THREE.BackSide,
DoubleSide: THREE.DoubleSide,
},
combine: {
MultiplyOperation: THREE.MultiplyOperation,
MixOperation: THREE.MixOperation,
AddOperation: THREE.AddOperation,
},
}
const gui = new GUI()
const materialFolder = gui.addFolder('THREE.Material')
materialFolder.add(material, 'transparent')
materialFolder.add(material, 'opacity', 0, 1, 0.01)
materialFolder.add(material, 'depthTest')
materialFolder.add(material, 'depthWrite')
materialFolder
.add(material, 'alphaTest', 0, 1, 0.01)
.onChange(() => updateMaterial())
materialFolder.add(material, 'visible')
materialFolder
.add(material, 'side', options.side)
.onChange(() => updateMaterial())
materialFolder.open()
const data = {
color: material.color.getHex(),
emissive: material.emissive.getHex(),
specular: material.specular.getHex(),
}
const meshPhongMaterialFolder = gui.addFolder('THREE.MeshPhongMaterial')
meshPhongMaterialFolder.addColor(data, 'color').onChange(() => {
material.color.setHex(Number(data.color.toString().replace('#', '0x')))
})
meshPhongMaterialFolder.addColor(data, 'emissive').onChange(() => {
material.emissive.setHex(
Number(data.emissive.toString().replace('#', '0x'))
)
})
meshPhongMaterialFolder.addColor(data, 'specular').onChange(() => {
material.specular.setHex(
Number(data.specular.toString().replace('#', '0x'))
)
})
meshPhongMaterialFolder.add(material, 'shininess', 0, 1024)
meshPhongMaterialFolder.add(material, 'wireframe')
meshPhongMaterialFolder.add(material, 'wireframeLinewidth', 0, 10)
meshPhongMaterialFolder
.add(material, 'flatShading')
.onChange(() => updateMaterial())
meshPhongMaterialFolder
.add(material, 'combine', options.combine)
.onChange(() => updateMaterial())
meshPhongMaterialFolder.add(material, 'reflectivity', 0, 1)
meshPhongMaterialFolder.add(material, 'refractionRatio', 0, 1)
meshPhongMaterialFolder.open()
function updateMaterial() {
material.side = Number(material.side)
material.combine = Number(material.combine)
material.needsUpdate = true
}
function animate() {
requestAnimationFrame(animate)
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|
Paperback 
