-
Notifications
You must be signed in to change notification settings - Fork 0
/
4-camera.js
163 lines (135 loc) · 4.62 KB
/
4-camera.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
import * as THREE from 'three'
import { OrbitControls } from 'three/addons/controls/OrbitControls.js'
import { GUI } from 'lil-gui'
import MinMaxGUIHelper from '../utils/MinMaxGUIHelper'
import { createLight, setScissorForElement, Responsive } from '../utils'
import { createCube, createSphere, createPlane } from '../geometry'
import './style/4-camera.css'
/**
* render之前操作dom,用于处理一些样式
*/
const beforeRender = () => {
const wrapper = document.createElement('div')
const div1 = document.createElement('div')
const div2 = document.createElement('div')
wrapper.setAttribute('id', 'wrapper')
div1.setAttribute('id', 'left')
div2.setAttribute('id', 'right')
wrapper.append(div1)
wrapper.append(div2)
document.body.append(wrapper)
}
const render = (scene, cam, light) => {
scene.remove(cam)
const canvas = document.querySelector('#c')
const view1Elem = document.querySelector('#left')
const view2Elem = document.querySelector('#right')
const size = 1
const near = 5
const far = 50
// const camera = createCamera(fov, aspect, near, far)
const camera = new THREE.OrthographicCamera(
-size,
size,
size,
-size,
near,
far
)
camera.zoom = 0.2
camera.position.set(0, 10, 20)
const cameraHelper = new THREE.CameraHelper(camera)
// scene.add(cameraHelper)
// camera.updateProjectionMatrix()
// scene.add(camera)
// 设置GUI
const gui = new GUI()
gui.add(camera, 'zoom', 0.01, 1, 0.01).listen()
const minMaxGUIHelper = new MinMaxGUIHelper(camera, 'near', 'far', 0.1)
gui.add(minMaxGUIHelper, 'min', 0.1, 50, 0.1).name('near')
gui.add(minMaxGUIHelper, 'max', 0.1, 50, 0.1).name('far')
// 设置滚轮控制
const controls = new OrbitControls(camera, view1Elem) // 只给第一个视窗中的摄像机分配OrbitControls:
controls.target.set(0, 5, 0)
controls.update()
// 设置第二个camera和滚轮控制
const camera2 = new THREE.PerspectiveCamera(
60, // fov
2, // aspect
0.1, // near
500 // far
)
// camera2.position.set(40, 10, 30)
camera2.position.set(16, 28, 40)
camera2.lookAt(0, 5, 0)
const controls2 = new OrbitControls(camera2, view2Elem)
controls2.target.set(0, 5, 0)
controls2.update()
scene.background = new THREE.Color('black')
scene.add(cameraHelper)
{
// 设置灯光
const newLight = createLight('direct')
light = newLight
light.position.set(0, 10, 0)
light.target.position.set(-50, -10, 0)
scene.add(light)
scene.add(light.target)
// 设置地面
const plane = createPlane()
plane.rotation.x = Math.PI * -0.5
scene.add(plane)
// 设置球体
const sphereRadius = 3
const sphere = createSphere('#9D86C3')
sphere.position.set(0, 0, 0)
sphere.position.set(-sphereRadius - 1, sphereRadius + 2, 0)
scene.add(sphere)
// 设置立方体
const cubeSize = 4
const cube = createCube(cubeSize, '#EFD769')
cube.position.set(cubeSize + 1, cubeSize / 2, 0)
scene.add(cube)
}
//
const afterRender = (renderer) => {
Responsive.resizeRendererToDisplaySize(renderer)
// turn on the scissor
renderer.setScissorTest(true)
// 渲染主视野
{
const aspect = setScissorForElement(canvas, view1Elem, renderer)
// 用计算出的aspect修改摄像机参数
camera.left = -aspect
camera.right = aspect
camera.updateProjectionMatrix()
cameraHelper.update()
// 来原视野中不要绘制cameraHelper
cameraHelper.visible = false
scene.background = new THREE.Color(0x000000)
// 渲染
renderer.render(scene, camera)
}
// 渲染第二台摄像机
{
const aspect = setScissorForElement(canvas, view2Elem, renderer)
// 调整aspect
camera2.aspect = aspect
camera2.updateProjectionMatrix()
// 在第二台摄像机中绘制cameraHelper
cameraHelper.visible = true
scene.background = new THREE.Color(0x000040)
renderer.render(scene, camera2)
}
const renderFunction = afterRender.bind(null, renderer)
requestAnimationFrame(renderFunction)
return renderFunction
}
return {
objects: [],
camera: camera,
afterRender,
useDefaultRender: false,
}
}
export { beforeRender, render }