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3rd-person-camera.html
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3rd-person-camera.html
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<!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>3rd Person Camera</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 W, SPACE and your Mouse.<br />Works on mobile and desktop.</div>
<script>
const {
enable3d,
Scene3D,
Canvas,
ThirdDimension,
THREE,
JoyStick,
PointerLock,
PointerDrag,
ExtendedObject3D,
ThirdPersonControls
} = ENABLE3D
/**
* Is touch device?
*/
const isTouchDevice = 'ontouchstart' in window
/**
* MainScene
*/
class MainScene extends Scene3D {
constructor() {
super({ key: 'MainScene' })
}
preload() {
this.load.html('bridge', '/assets/svg/bridge.svg')
}
init() {
this.accessThirdDimension()
this.canJump = true
this.isJumping = false
this.move = false
this.moveTop = 0
this.moveRight = 0
}
create() {
this.third.warpSpeed('camera', 'sky', 'grid', 'ground', 'light')
// this.third.ground.body.setFriction(1)
// this.third.physics.debug.enable()
/**
* Create bridge
*/
const svg = this.cache.html.get('bridge')
const bridgeShape = this.third.transform.fromSVGtoShape(svg)
const scale = 35
const bridge = this.third.add.extrude({
shape: bridgeShape[0],
depth: 120
})
bridge.scale.set(1 / scale, 1 / -scale, 1 / scale)
bridge.shape = 'concave'
bridge.position.setY(bridge.geometry.boundingBox.max.y / scale)
this.third.physics.add.existing(bridge)
bridge.body.setAngularFactor(0, 0, 0)
bridge.body.setLinearFactor(0, 0, 0)
bridge.body.setFriction(0.8)
/**
* Create Player
*/
/**
* box_man.glb by Jan Bláha
* https://github.com/swift502/Sketchbook
* CC-0 license 2018
*/
this.third.load.gltf('/assets/glb/box_man.glb').then(object => {
const man = object.scene.children[0]
this.man = new ExtendedObject3D()
this.man.name = 'man'
this.man.rotateY(Math.PI + 0.1) // a hack
this.man.add(man)
// add shadow
this.man.traverse(child => {
if (child.isMesh) {
child.shape = 'convex'
child.castShadow = child.receiveShadow = true
// https://discourse.threejs.org/t/cant-export-material-from-blender-gltf/12258
child.material.roughness = 1
child.material.metalness = 0
}
})
/**
* Animations
*/
this.third.animationMixers.add(this.man.anims.mixer)
object.animations.forEach(animation => {
if (animation.name) {
/**
* This is a hack, because I could not adjust the scale with this.man.scale.set()
* This is not a bug from enable3d, this is how the assets a made :/
*/
animation.tracks.forEach(track => {
if (/(scale|position)/.test(track.name)) {
const newValues = track.values.map(v => v * 1)
track.values = newValues
}
})
this.man.anims.add(animation.name, animation)
}
})
this.man.anims.play('idle')
this.man.position.set(0, 2, 8)
/**
* Add the player to the scene with a body
*/
this.third.add.existing(this.man)
this.third.physics.add.existing(this.man, {
shape: 'capsule',
radius: 0.2,
height: 0.6,
offset: { y: -0.55 }
})
this.man.body.setFriction(0.8)
this.man.body.setAngularFactor(0, 0, 0)
/**
* Add 3rd Person Controls
*/
this.controls = new ThirdPersonControls(this.third.camera, this.man, {
offset: new THREE.Vector3(0, 1, 0),
targetRadius: 3
})
})
/**
* Add Keys
*/
this.keys = {
a: this.input.keyboard.addKey('a'),
w: this.input.keyboard.addKey('w'),
d: this.input.keyboard.addKey('d'),
s: this.input.keyboard.addKey('s'),
space: this.input.keyboard.addKey(32)
}
/**
* PointerLock and PointerDrag
*/
if (!isTouchDevice) {
const pointerLock = new PointerLock(this.game.canvas)
const pointerDrag = new PointerDrag(this.game.canvas)
pointerDrag.onMove(delta => {
if (!pointerLock.isLocked()) return
const { x, y } = delta
this.moveTop = -y
this.moveRight = x
})
}
/**
* Add joystick
*/
if (isTouchDevice) {
const joystick = new JoyStick()
const axis = joystick.add.axis({
styles: { left: 35, bottom: 35, size: 100 }
})
axis.onMove(event => {
/**
* Update Camera
*/
const { top, right } = event
this.moveTop = top * 3
this.moveRight = right * 3
})
const buttonA = joystick.add.button({
letter: 'A',
styles: { right: 35, bottom: 110, size: 80 }
})
buttonA.onClick(() => this.jump())
const buttonB = joystick.add.button({
letter: 'B',
styles: { right: 110, bottom: 35, size: 80 }
})
buttonB.onClick(() => (this.move = true))
buttonB.onRelease(() => (this.move = false))
}
}
jump() {
if (!this.man) return
this.canJump = false
this.isJumping = true
this.man.anims.play('jump_running')
this.time.addEvent({
delay: 750,
callback: () => (this.canJump = true)
})
this.time.addEvent({
delay: 750,
callback: () => {
this.man.anims.play('idle')
this.isJumping = false
}
})
this.man.body.applyForceY(4)
}
update(time, delta) {
if (this.man && this.man.body && this.controls && this.controls.update) {
/**
* Update Controls
*/
this.controls.update(this.moveRight * 3, -this.moveTop * 3)
if (!isTouchDevice) this.moveRight = this.moveTop = 0
/**
* Player Turn
*/
const speed = 4
const v3 = new THREE.Vector3()
const rotation = this.third.camera.getWorldDirection(v3)
const theta = Math.atan2(rotation.x, rotation.z)
const rotationMan = this.man.getWorldDirection(v3)
const thetaMan = Math.atan2(rotationMan.x, rotationMan.z)
this.man.body.setAngularVelocityY(0)
const l = Math.abs(theta - thetaMan)
let rotationSpeed = isTouchDevice ? 2 : 4
let d = Math.PI / 24
if (l > d) {
if (l > Math.PI - d) rotationSpeed *= -1
if (theta < thetaMan) rotationSpeed *= -1
this.man.body.setAngularVelocityY(rotationSpeed)
}
/**
* Player Move
*/
if (this.keys.w.isDown || this.move) {
if (this.man.anims.current === 'idle' && !this.isJumping) this.man.anims.play('run')
const x = Math.sin(theta) * speed,
y = this.man.body.velocity.y,
z = Math.cos(theta) * speed
this.man.body.setVelocity(x, y, z)
} else {
if (this.man.anims.current === 'run' && !this.isJumping) this.man.anims.play('idle')
}
/**
* Player Jump
*/
if (this.keys.space.isDown && this.canJump) {
this.jump()
}
}
}
}
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({ antialias: true })
}
window.addEventListener('load', () => {
enable3d(() => new Phaser.Game(config)).withPhysics('/lib/ammo/kripken')
})
</script>
</body>
</html>