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 | import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
import Stats from 'three/examples/jsm/libs/stats.module'
const scene = new THREE.Scene()
scene.background = new THREE.Color(0x87ceeb)
const ambientLight = new THREE.AmbientLight(0xaaaaaa)
scene.add(ambientLight)
const light1 = new THREE.PointLight()
light1.position.set(10, 10, 10)
light1.castShadow = true
light1.shadow.bias = -0.0002
light1.shadow.mapSize.height = 2048
light1.shadow.mapSize.width = 2048
scene.add(light1)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.01,
100
)
camera.position.set(1.75, 1.75, 3.5)
const renderer = new THREE.WebGLRenderer()
renderer.setSize(window.innerWidth, window.innerHeight)
renderer.shadowMap.enabled = true
document.body.appendChild(renderer.domElement)
const orbitControls = new OrbitControls(camera, renderer.domElement)
orbitControls.enableDamping = true
const planeGeometry = new THREE.PlaneGeometry(25, 25)
const texture = new THREE.TextureLoader().load('img/grid.png')
const plane = new THREE.Mesh(
planeGeometry,
new THREE.MeshPhongMaterial({ map: texture })
)
plane.rotateX(-Math.PI / 2)
plane.receiveShadow = true
scene.add(plane)
window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
render()
}
const cubeRenderTarget1 = new THREE.WebGLCubeRenderTarget(128, {
generateMipmaps: true,
minFilter: THREE.LinearMipmapLinearFilter,
})
const cubeRenderTarget2 = new THREE.WebGLCubeRenderTarget(128, {
generateMipmaps: true,
minFilter: THREE.LinearMipmapLinearFilter,
})
const cubeRenderTarget3 = new THREE.WebGLCubeRenderTarget(128, {
generateMipmaps: true,
minFilter: THREE.LinearMipmapLinearFilter,
})
const cubeCamera1 = new THREE.CubeCamera(0.1, 1000, cubeRenderTarget1)
const cubeCamera2 = new THREE.CubeCamera(0.1, 1000, cubeRenderTarget2)
const cubeCamera3 = new THREE.CubeCamera(0.1, 1000, cubeRenderTarget3)
const pivot1 = new THREE.Object3D()
scene.add(pivot1)
const pivot2 = new THREE.Object3D()
scene.add(pivot2)
const pivot3 = new THREE.Object3D()
scene.add(pivot3)
const material1 = new THREE.MeshPhongMaterial({
envMap: cubeRenderTarget1.texture,
})
const material2 = new THREE.MeshPhongMaterial({
envMap: cubeRenderTarget2.texture,
})
const material3 = new THREE.MeshPhongMaterial({
envMap: cubeRenderTarget3.texture,
})
const ball1 = new THREE.Mesh(new THREE.SphereGeometry(1, 32, 32), material1)
ball1.position.set(1, 1.1, 0)
ball1.castShadow = true
ball1.receiveShadow = true
ball1.add(cubeCamera1)
pivot1.add(ball1)
const ball2 = new THREE.Mesh(new THREE.SphereGeometry(1, 32, 32), material2)
ball2.position.set(3.1, 1.1, 0)
ball2.castShadow = true
ball2.receiveShadow = true
ball2.add(cubeCamera2)
pivot2.add(ball2)
const ball3 = new THREE.Mesh(new THREE.SphereGeometry(1, 32, 32), material3)
ball3.position.set(5.2, 1.1, 0)
ball3.castShadow = true
ball3.receiveShadow = true
ball3.add(cubeCamera3)
pivot3.add(ball3)
const stats = Stats()
document.body.appendChild(stats.dom)
const clock = new THREE.Clock()
function animate() {
requestAnimationFrame(animate)
const delta = clock.getDelta()
ball1.rotateY(-0.2 * delta)
pivot1.rotateY(0.2 * delta)
ball2.rotateY(-0.3 * delta)
pivot2.rotateY(0.3 * delta)
ball3.rotateY(-0.4 * delta)
pivot3.rotateY(0.4 * delta)
orbitControls.update()
render()
stats.update()
}
function render() {
cubeCamera1.update(renderer, scene)
cubeCamera2.update(renderer, scene)
cubeCamera3.update(renderer, scene)
renderer.render(scene, camera)
}
animate()
|
Paperback 
