-
Notifications
You must be signed in to change notification settings - Fork 97
/
switch-camera-between-2d-and-3d.html
396 lines (351 loc) · 13.7 KB
/
switch-camera-between-2d-and-3d.html
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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover"
/>
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Switch Camera between 2d and 3d</title>
<link rel="stylesheet" href="/css/examples.css?ver=1.0.0" />
<script src="/js/examples.js?ver=1.1.1"></script>
<script src="/lib/phaser.min.js?ver=3.52.0"></script>
<script src="/lib/enable3d/enable3d.phaserExtension.0.25.4.min.js"></script>
</head>
<body>
<div id="info-text">Use WASD to move,<br />SPACE to jump<br />and F to change perspective.</div>
<script>
const { enable3d, Scene3D, Canvas, Cameras, THREE, ExtendedObject3D } = ENABLE3D
class MainScene extends Scene3D {
constructor() {
super({ key: 'MainScene' })
}
preload() {
this.third.load.preload('sky', '/assets/img/sky.png')
this.load.html('star', '/assets/svg/star.svg')
}
init() {
this.accessThirdDimension({ gravity: { x: 0, y: -20, z: 0 } })
delete this.robot
this.stars = []
this.score = 0
}
async create() {
const zoom = 70
const w = this.cameras.main.width / zoom
const h = this.cameras.main.height / zoom
this.cams = {
ortho: this.third.cameras.orthographicCamera({
left: w / -2,
right: w / 2,
top: h / 2,
bottom: h / -2
}),
perspective: this.third.camera,
active: 'perspective',
inTransition: false,
offset: null
}
const { lights } = await this.third.warpSpeed('-ground', '-sky', '-orbitControls')
const { hemisphereLight, ambientLight, directionalLight } = lights
this.cams.offset = new THREE.Vector3()
const flash = delay => {
this.time.addEvent({
delay: delay,
callback: () => {
this.cameras.main.flash(250, 0, 0, 0, true)
}
})
}
this.input.keyboard.on('keydown-F', () => {
if (this.cams.active === 'perspective') {
this.cams.inTransition = true
this.time.addEvent({
delay: 300,
callback: () => {
this.third.camera = this.cams.ortho
this.cams.inTransition = false
}
})
this.cams.active = 'ortho'
flash(250)
// restrict linear factor on z-axis
this.robot.body.setLinearFactor(1, 1, 0)
// set zero velocity on x-axis
this.robot.body.setVelocityZ(0)
} else {
this.third.camera = this.cams.perspective
this.cams.active = 'perspective'
flash(10)
this.robot.body.setLinearFactor(1, 1, 0)
}
})
// adjust the camera
this.third.camera.position.set(0, 5, 20)
this.third.camera.lookAt(0, 0, 0)
// enable physics debugging
// this.third.physics.debug.enable()
// add background image
this.third.load.texture('sky').then(sky => {
sky.encoding = THREE.sRGBEncoding
sky.needUpdate = true
this.third.scene.background = sky
})
// add score text
this.scoreText = this.add.text(32, this.cameras.main.height - 32, 'score: 0', {
fontSize: '32px',
fill: '#000'
})
this.scoreText.setOrigin(0, 1)
this.scoreText.depth = 1
// add platforms
const platformMaterial = { phong: { transparent: true, color: 0x21572f } }
const platforms = [
this.third.physics.add.box(
{ name: 'platform-ground', y: -2, width: 30, depth: 10, height: 2, mass: 0 },
platformMaterial
),
this.third.physics.add.box(
{ name: 'platform-right1', x: 7, y: 4, width: 15, depth: 10, mass: 0 },
platformMaterial
),
// this.third.physics.add.box({ name: 'platform-left', x: -10, y: 7, width: 10, depth: 5, mass: 0 }, platformMaterial),
this.third.physics.add.box(
{ name: 'platform-right2', x: 10, y: 10, width: 10, depth: 10, mass: 0 },
platformMaterial
)
]
// add stars
const svg = this.cache.html.get('star')
const starShape = this.third.transform.fromSVGtoShape(svg)
const starScale = 250
const starPositions = [
{ x: -14, y: 8.5 },
{ x: -12, y: 8.5 },
{ x: -10, y: 8.5 },
{ x: -8, y: 8.5 },
{ x: -6, y: 8.5 },
{ x: -4, y: 0 },
{ x: -2, y: 0 },
{ x: 0, y: 5.5 },
{ x: 2, y: 5.5 },
{ x: 4, y: 5.5 },
{ x: 6, y: 11.5 },
{ x: 8, y: 11.5 },
{ x: 10, y: 11.5 },
{ x: 12, y: 11.5 },
{ x: 14, y: 11.5 }
]
starPositions.forEach((pos, i) => {
const star = this.third.add.extrude({ shape: starShape[0], depth: 120 })
star.name = `star-${i}`
star.scale.set(1 / starScale, 1 / -starScale, 1 / starScale)
star.material.color.setHex(0xffd851)
star.position.setX(pos.x)
star.position.setY(pos.y)
this.third.physics.add.existing(star, {
shape: 'box',
ignoreScale: true,
width: 0.5,
height: 0.5,
depth: 0.5
})
star.body.setCollisionFlags(6)
this.stars.push(star)
})
/**
* Model by Tomás Laulhé (https://www.patreon.com/quaternius), modifications by Don McCurdy (https://donmccurdy.com)
* https://threejs.org/examples/#webgl_animation_skinning_morph
* CC-0 license
*/
// add robot
this.third.load.gltf('/assets/glb/robot.glb').then(gltf => {
this.robot = new ExtendedObject3D()
this.robot.add(gltf.scene)
const scale = 1 / 3
this.robot.scale.set(scale, scale, scale)
this.robot.position.setY(0)
this.robot.traverse(child => {
if (child.isMesh) {
child.castShadow = child.receiveShadow = true
child.material.metalness = 0
child.material.roughness = 1
}
})
// animations
this.third.animationMixers.add(this.robot.animation.mixer)
gltf.animations.forEach(animation => {
this.robot.animation.add(animation.name, animation)
})
this.robot.animation.play('Idle')
this.third.add.existing(this.robot)
this.third.physics.add.existing(this.robot, {
shape: 'box',
ignoreScale: true,
width: 0.5,
height: 1.25,
depth: 0.5,
offset: { y: -0.625 }
})
this.robot.body.setLinearFactor(1, 1, 1)
this.robot.body.setAngularFactor(0, 0, 0)
this.robot.body.setFriction(0)
this.third.camera.lookAt(this.robot.position)
// add a sensor
const sensor = new ExtendedObject3D()
sensor.position.setY(-0.625)
this.third.physics.add.existing(sensor, { mass: 1e-8, shape: 'box', width: 0.2, height: 0.2, depth: 0.2 })
sensor.body.setCollisionFlags(4)
// connect sensor to robot
this.third.physics.add.constraints.lock(this.robot.body, sensor.body)
// detect if sensor is on the ground
sensor.body.on.collision((otherObject, event) => {
if (/platform/.test(otherObject.name)) {
if (event !== 'end') this.robot.userData.onGround = true
else this.robot.userData.onGround = false
}
})
// check robot overlap with star
this.robot.body.on.collision((otherObject, event) => {
if (/star/.test(otherObject.name)) {
if (!otherObject.userData.dead) {
otherObject.userData.dead = true
otherObject.visible = false
this.score += 10
this.scoreText.setText(`score: ${this.score}`)
}
}
})
})
// add keys
this.keys = {
w: this.input.keyboard.addKey('w'),
a: this.input.keyboard.addKey('a'),
s: this.input.keyboard.addKey('s'),
d: this.input.keyboard.addKey('d'),
space: this.input.keyboard.addKey('space')
}
}
walkAnimation() {
if (this.robot.animation.current !== 'Walking') this.robot.animation.play('Walking')
}
idleAnimation() {
if (this.robot.animation.current !== 'Idle') this.robot.animation.play('Idle')
}
update(time, delta) {
// rotate the starts
// (this looks strange I know, I will try to improve this in a future update)
this.stars.forEach(star => {
star.rotation.y += 0.03
star.body.needUpdate = true
})
if (this.robot && this.robot.body) {
// add just the camera position
const withPerspective = this.cams.active === 'perspective'
const inTransition = this.cams.inTransition
const cameraOffset = {
x: withPerspective ? -16 : 0,
y: withPerspective ? 4 : 2,
z: withPerspective ? 0 : 16
}
this.cams.offset.lerp(cameraOffset, 0.2)
this.third.camera.position
.copy(this.robot.position)
.add(new THREE.Vector3(this.cams.offset.x, this.cams.offset.y, this.cams.offset.z))
if (withPerspective || inTransition)
this.third.camera.lookAt(this.robot.position.clone().add(new THREE.Vector3(0, 2, 0)))
else this.third.camera.lookAt(this.third.camera.position.clone())
// get rotation of robot
const theta = this.robot.world.theta
this.robot.body.setAngularVelocityY(0)
// set the speed variable
const speed = 7
if (!withPerspective) {
// A key
if (this.keys.a.isDown) {
this.robot.body.setVelocityX(-speed)
if (theta > -(Math.PI / 2)) this.robot.body.setAngularVelocityY(-10)
this.walkAnimation()
}
// D key
else if (this.keys.d.isDown) {
this.robot.body.setVelocityX(speed)
if (theta < Math.PI / 2) this.robot.body.setAngularVelocityY(10)
this.walkAnimation()
}
// do not move
else {
this.robot.body.setVelocityX(0)
this.idleAnimation()
}
} else {
const walkDirection = { x: 0, z: 0 }
// A key
if (this.keys.a.isDown) {
walkDirection.z = -speed
// this.walkAnimation()
}
// D key
else if (this.keys.d.isDown) {
walkDirection.z = speed
// this.walkAnimation()
} else {
walkDirection.z = 0
// this.idleAnimation()
}
// W Key
if (this.keys.w.isDown) {
walkDirection.x = speed
// this.walkAnimation()
}
// S key
else if (this.keys.s.isDown) {
walkDirection.x = -speed
// this.walkAnimation()
} else {
walkDirection.x = 0
// this.idleAnimation()
}
// walk
this.robot.body.setVelocityX(walkDirection.x)
this.robot.body.setVelocityZ(walkDirection.z)
// is idle?
const isIdle = walkDirection.x === 0 && walkDirection.z === 0
if (isIdle) this.idleAnimation()
else this.walkAnimation()
// turn player
if (!isIdle) {
const directionTheta = Math.atan2(walkDirection.x, walkDirection.z) + Math.PI
const playerTheta = this.robot.world.theta + Math.PI
const diff = directionTheta - playerTheta
if (diff > 0.25) this.robot.body.setAngularVelocityY(10)
if (diff < -0.25) this.robot.body.setAngularVelocityY(-10)
}
}
// jump
if (this.keys.space.isDown && this.robot.userData.onGround && Math.abs(this.robot.body.velocity.y) < 1e-1) {
this.robot.animation.play('WalkJump')
this.robot.body.applyForceY(16)
}
}
}
}
const config = {
type: Phaser.WEBGL,
transparent: true,
scale: {
mode: Phaser.Scale.FIT,
autoCenter: Phaser.Scale.CENTER_BOTH,
width: window.innerWidth * Math.max(1, window.devicePixelRatio / 2),
height: window.innerHeight * Math.max(1, window.devicePixelRatio / 2)
},
scene: [MainScene],
...Canvas()
}
window.addEventListener('load', () => {
enable3d(() => new Phaser.Game(config)).withPhysics('/lib/ammo/kripken')
})
</script>
</body>
</html>