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Object3D.ts
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Object3D.ts
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import { Object3D, Scene } from 'three'
import { ComponentPublicInstance, defineComponent, getCurrentInstance, PropType, watch } from 'vue'
import { bindObjectProp, bindProp } from '../tools'
import { RendererInjectionKey, RendererInterface } from './Renderer'
import { SceneInjectionKey } from './Scene'
export interface Object3DSetupInterface {
renderer?: RendererInterface
scene?: Scene
o3d?: Object3D
parent?: ComponentPublicInstance
}
export interface Object3DInterface extends Object3DSetupInterface {
addToParent(o?: Object3D): boolean
removeFromParent(o?: Object3D): boolean
add(o: Object3D): void
remove(o: Object3D): void
}
export interface Object3DPublicInterface extends ComponentPublicInstance, Object3DInterface {}
// export function object3DSetup(): Object3DSetupInterface {
// const renderer = inject(RendererInjectionKey)
// const scene = inject(SceneInjectionKey)
// return { scene, renderer }
// }
export const pointerProps = {
onPointerEnter: Function,
onPointerOver: Function,
onPointerMove: Function,
onPointerLeave: Function,
onPointerDown: Function,
onPointerUp: Function,
onClick: Function,
}
export interface Vector2PropInterface {
x?: number
y?: number
width?: number
height?: number
}
export interface Vector3PropInterface extends Vector2PropInterface {
z?: number
}
export interface EulerPropInterface extends Vector3PropInterface {
order?: 'XYZ' | 'YZX' | 'ZXY' | 'XZY' | 'YXZ' | 'ZYX'
}
export default defineComponent({
name: 'Object3D',
// inject for sub components
inject: {
renderer: RendererInjectionKey as symbol,
scene: SceneInjectionKey as symbol,
},
emits: ['created', 'ready'],
props: {
position: { type: Object as PropType<Vector3PropInterface>, default: () => ({ x: 0, y: 0, z: 0 }) },
rotation: { type: Object as PropType<EulerPropInterface>, default: () => ({ x: 0, y: 0, z: 0 }) },
scale: { type: Object as PropType<Vector3PropInterface>, default: () => ({ x: 1, y: 1, z: 1, order: 'XYZ' }) },
lookAt: { type: Object as PropType<Vector3PropInterface>, default: null },
userData: { type: Object, default: () => ({}) },
visible: { type: Boolean, default: true },
props: { type: Object, default: () => ({}) },
disableAdd: { type: Boolean, default: false },
disableRemove: { type: Boolean, default: false },
...pointerProps,
},
setup(): Object3DSetupInterface {
// return object3DSetup()
return {}
},
created() {
if (!this.renderer) {
console.error('Missing parent Renderer')
}
if (!this.scene) {
console.error('Missing parent Scene')
}
},
unmounted() {
if (!this.disableRemove) this.removeFromParent()
if (this.o3d) {
if (this.renderer) this.renderer.three.removeIntersectObject(this.o3d)
}
},
methods: {
initObject3D(o3d: Object3D) {
this.o3d = o3d
o3d.userData.component = this
if (this.onPointerEnter ||
this.onPointerOver ||
this.onPointerMove ||
this.onPointerLeave ||
this.onPointerDown ||
this.onPointerUp ||
this.onClick) {
if (this.renderer) this.renderer.three.addIntersectObject(o3d)
}
bindProp(this, 'position', o3d)
bindProp(this, 'rotation', o3d)
bindProp(this, 'scale', o3d)
bindProp(this, 'userData', o3d.userData)
bindProp(this, 'visible', o3d)
bindObjectProp(this, 'props', o3d)
this.$emit('created', o3d)
if (this.lookAt) o3d.lookAt(this.lookAt.x ?? 0, this.lookAt.y, this.lookAt.z)
watch(() => this.lookAt, (v) => { o3d.lookAt(v.x ?? 0, v.y, v.z) }, { deep: true })
this.parent = this.getParent()
if (!this.disableAdd) {
if (this.addToParent()) this.$emit('ready', this)
else console.error('Missing parent (Scene, Group...)')
}
},
getParent(): undefined | ComponentPublicInstance {
let parent = this.$parent
if (!parent) {
// for script setup
const instance = getCurrentInstance() as any // ctx is internal
if (instance && instance.parent) parent = instance.parent.ctx
}
while (parent) {
if ((parent as any).add) return parent
parent = parent.$parent
}
return undefined
},
addToParent(o?: Object3D) {
const o3d = o || this.o3d
if (this.parent) {
(this.parent as any).add(o3d)
return true
}
return false
},
removeFromParent(o?: Object3D) {
const o3d = o || this.o3d
if (this.parent) {
(this.parent as any).remove(o3d)
return true
}
return false
},
add(o: Object3D) { this.o3d?.add(o) },
remove(o: Object3D) { this.o3d?.remove(o) },
},
render() {
return this.$slots.default ? this.$slots.default() : []
},
__hmrId: 'Object3D',
})