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
190
191
192
193
194
195
196
197
198
199
200
201
202 | import * as THREE from 'three'
import { OrbitControls } from 'three/examples/jsm/controls/OrbitControls'
import { GUI } from 'dat.gui'
import Stats from 'three/examples/jsm/libs/stats.module'
const scene = new THREE.Scene()
const axesHelper = new THREE.AxesHelper(5)
scene.add(axesHelper)
const light = new THREE.DirectionalLight(0xffffff, 10)
light.position.set(-4.4, 3.3, 2.2)
light.castShadow = true
light.shadow.bias = -0.003
light.shadow.mapSize.width = 2048
light.shadow.mapSize.height = 2048
light.shadow.camera.left = -5
light.shadow.camera.right = 5
light.shadow.camera.top = 2
light.shadow.camera.bottom = -2
light.shadow.camera.near = 1
light.shadow.camera.far = 10
scene.add(light)
//const helper = new THREE.DirectionalLightHelper(light);
const helper = new THREE.CameraHelper(light.shadow.camera)
scene.add(helper)
const camera = new THREE.PerspectiveCamera(
75,
window.innerWidth / window.innerHeight,
0.1,
1000
)
camera.position.set(0, 1, 1)
const renderer = new THREE.WebGLRenderer()
renderer.shadowMap.enabled = true
renderer.shadowMap.type = THREE.PCFShadowMap
//renderer.physicallyCorrectLights = true //deprecated
renderer.useLegacyLights = false //use this instead of setting physicallyCorrectLights=true property
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
const controls = new OrbitControls(camera, renderer.domElement)
controls.enableDamping = true
const planeGeometry = new THREE.PlaneGeometry(3.6, 1.8, 360, 180)
const material = new THREE.MeshStandardMaterial()
material.metalness = 0
material.roughness = 0
const texture = new THREE.TextureLoader().load('img/worldColour.5400x2700.jpg')
material.map = texture
const displacementMap = new THREE.TextureLoader().load(
'img/gebco_bathy.5400x2700_8bit.jpg'
)
material.displacementMap = displacementMap
material.displacementScale = 0.3
const plane = new THREE.Mesh(planeGeometry, material)
plane.rotation.x = -Math.PI / 2
plane.castShadow = true
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 stats = new Stats()
document.body.appendChild(stats.dom)
var options = {
side: {
FrontSide: THREE.FrontSide,
BackSide: THREE.BackSide,
DoubleSide: THREE.DoubleSide,
},
}
const gui = new GUI()
const materialFolder = gui.addFolder('THREE.Material')
materialFolder
.add(material, 'transparent')
.onChange(() => (material.needsUpdate = true))
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(),
shadowMapSizeWidth: 2048,
shadowMapSizeHeight: 2048,
}
const meshStandardMaterialFolder = gui.addFolder('THREE.MeshStandardMaterial')
meshStandardMaterialFolder.addColor(data, 'color').onChange(() => {
material.color.setHex(Number(data.color.toString().replace('#', '0x')))
})
meshStandardMaterialFolder.add(material, 'wireframe')
meshStandardMaterialFolder
.add(material, 'flatShading')
.onChange(() => updateMaterial())
meshStandardMaterialFolder.add(material, 'displacementScale', -1, 1, 0.01)
meshStandardMaterialFolder.add(material, 'displacementBias', -1, 1, 0.01)
meshStandardMaterialFolder.add(material, 'roughness', 0, 1)
meshStandardMaterialFolder.add(material, 'metalness', 0, 1)
//meshStandardMaterialFolder.open()
var planeData = {
width: 3.6,
height: 1.8,
widthSegments: 180,
heightSegments: 90,
}
const planePropertiesFolder = gui.addFolder('PlaneGeometry')
//planePropertiesFolder.add(planeData, 'width', 1, 30).onChange(regeneratePlaneGeometry)
//planePropertiesFolder.add(planeData, 'height', 1, 30).onChange(regeneratePlaneGeometry)
planePropertiesFolder
.add(planeData, 'widthSegments', 1, 360)
.onChange(regeneratePlaneGeometry)
planePropertiesFolder
.add(planeData, 'heightSegments', 1, 180)
.onChange(regeneratePlaneGeometry)
//planePropertiesFolder.open()
const directionalLightFolder = gui.addFolder('THREE.DirectionalLight')
directionalLightFolder
.add(light.shadow.camera, 'left', -5, -1, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'right', 1, 5, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'top', 1, 5, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'bottom', -5, -1, 0.1)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'near', 0.1, 100)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(light.shadow.camera, 'far', 0.1, 100)
.onChange(() => light.shadow.camera.updateProjectionMatrix())
directionalLightFolder
.add(data, 'shadowMapSizeWidth', [256, 512, 1024, 2048, 4096])
.onChange(() => updateShadowMapSize())
directionalLightFolder
.add(data, 'shadowMapSizeHeight', [256, 512, 1024, 2048, 4096])
.onChange(() => updateShadowMapSize())
directionalLightFolder.add(light.position, 'x', -5, 5, 0.01)
directionalLightFolder.add(light.position, 'y', -5, 5, 0.01)
directionalLightFolder.add(light.position, 'z', -5, 5, 0.01)
directionalLightFolder.open()
function updateShadowMapSize() {
light.shadow.mapSize.width = data.shadowMapSizeWidth
light.shadow.mapSize.height = data.shadowMapSizeHeight
;(light.shadow.map as any) = null
}
function regeneratePlaneGeometry() {
let newGeometry = new THREE.PlaneGeometry(
planeData.width,
planeData.height,
planeData.widthSegments,
planeData.heightSegments
)
plane.geometry.dispose()
plane.geometry = newGeometry
}
function updateMaterial() {
material.side = Number(material.side) as THREE.Side
material.needsUpdate = true
}
function animate() {
requestAnimationFrame(animate)
helper.update()
controls.update()
render()
stats.update()
}
function render() {
renderer.render(scene, camera)
}
animate()
|