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 | import * as THREE from '/build/three.module.js'
import { OrbitControls } from '/jsm/controls/OrbitControls'
import { GLTFLoader } from '/jsm/loaders/GLTFLoader'
import Stats from '/jsm/libs/stats.module'
import { CSS2DRenderer, CSS2DObject } from '/jsm/renderers/CSS2DRenderer';
const scene: THREE.Scene = new THREE.Scene()
var light = new THREE.SpotLight()
light.position.set(12.5, 12.5, 12.5)
light.castShadow = true
light.shadow.mapSize.width = 1024;
light.shadow.mapSize.height = 1024;
scene.add(light)
const camera: THREE.PerspectiveCamera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000)
camera.position.x = 15
camera.position.y = 15
camera.position.z = 15
const renderer: THREE.WebGLRenderer = new THREE.WebGLRenderer()
renderer.shadowMap.enabled = true
renderer.outputEncoding = THREE.sRGBEncoding
renderer.setSize(window.innerWidth, window.innerHeight)
document.body.appendChild(renderer.domElement)
const labelRenderer = new CSS2DRenderer()
labelRenderer.setSize(window.innerWidth, window.innerHeight)
labelRenderer.domElement.style.position = 'absolute'
labelRenderer.domElement.style.top = '0px'
labelRenderer.domElement.style.pointerEvents = 'none'
document.body.appendChild(labelRenderer.domElement)
const controls = new OrbitControls(camera, renderer.domElement)
controls.enableDamping = true
const pickableObjects: THREE.Mesh[] = new Array()
const loader = new GLTFLoader()
loader.load(
'models/simplescene.glb',
function (gltf) {
gltf.scene.traverse(function (child) {
if ((<THREE.Mesh>child).isMesh) {
let m = <THREE.Mesh>child
switch (m.name) {
case "Plane":
m.receiveShadow = true
break
default:
m.castShadow = true
}
pickableObjects.push(m)
}
})
scene.add(gltf.scene)
},
(xhr) => {
console.log((xhr.loaded / xhr.total * 100) + '% loaded')
},
(error) => {
console.log(error);
}
);
window.addEventListener('resize', onWindowResize, false)
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight
camera.updateProjectionMatrix()
renderer.setSize(window.innerWidth, window.innerHeight)
labelRenderer.setSize(window.innerWidth, window.innerHeight)
render()
}
let ctrlDown = false
let lineId = 0
let line: THREE.Line
let drawingLine = false
const measurementLabels: { [key: number]: CSS2DObject } = {}
window.addEventListener('keydown', function (event) {
if (event.key === "Control") {
ctrlDown = true
controls.enabled = false
renderer.domElement.style.cursor = "crosshair";
}
});
window.addEventListener('keyup', function (event) {
if (event.key === "Control") {
ctrlDown = false
controls.enabled = true
renderer.domElement.style.cursor = "pointer";
if (drawingLine) {
//delete the last line because it wasn't committed
scene.remove(line)
scene.remove(measurementLabels[lineId]);
drawingLine = false
}
}
});
const raycaster = new THREE.Raycaster()
let intersects: THREE.Intersection[]
const mouse = new THREE.Vector2();
renderer.domElement.addEventListener('pointerdown', onClick, false);
function onClick(event: MouseEvent) {
if (ctrlDown) {
raycaster.setFromCamera(mouse, camera)
intersects = raycaster.intersectObjects(pickableObjects, false);
if (intersects.length > 0) {
if (!drawingLine) {
//start the line
const geometry = new THREE.Geometry()
geometry.vertices.push(intersects[0].point)
geometry.vertices.push(intersects[0].point.clone())
line = new THREE.LineSegments(geometry, new THREE.LineBasicMaterial({
color: 0xffffff,
transparent: true,
opacity: 0.75
// depthTest: false,
// depthWrite: false
}))
line.frustumCulled = false
scene.add(line)
const measurementDiv = document.createElement('div') as HTMLDivElement
measurementDiv.className = 'measurementLabel'
measurementDiv.innerText = "0.0m"
const measurementLabel = new CSS2DObject(measurementDiv);
measurementLabel.position.copy(intersects[0].point);
measurementLabels[lineId] = measurementLabel;
scene.add(measurementLabels[lineId]);
drawingLine = true;
} else {
//finish the line
(line.geometry as THREE.Geometry).vertices[1].copy(intersects[0].point);
(line.geometry as THREE.Geometry).verticesNeedUpdate = true
lineId++
drawingLine = false
}
}
}
}
document.addEventListener('mousemove', onDocumentMouseMove, false);
function onDocumentMouseMove(event: MouseEvent) {
event.preventDefault();
mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
mouse.y = - (event.clientY / window.innerHeight) * 2 + 1;
if (drawingLine) {
raycaster.setFromCamera(mouse, camera)
intersects = raycaster.intersectObjects(pickableObjects, false);
if (intersects.length > 0) {
(line.geometry as THREE.Geometry).vertices[1].copy(intersects[0].point);
(line.geometry as THREE.Geometry).verticesNeedUpdate = true
const distance = (line.geometry as THREE.Geometry).vertices[0].distanceTo((line.geometry as THREE.Geometry).vertices[1])
measurementLabels[lineId].element.innerText = distance.toFixed(2) + "m"
measurementLabels[lineId].position.lerpVectors((line.geometry as THREE.Geometry).vertices[0], (line.geometry as THREE.Geometry).vertices[1], .5)
}
}
}
const stats = Stats()
document.body.appendChild(stats.dom)
var animate = function () {
requestAnimationFrame(animate)
controls.update()
render()
stats.update()
};
function render() {
labelRenderer.render(scene, camera)
renderer.render(scene, camera)
}
animate();
|