mylingo3d/src/display/core/PhysicsObjectManager/enableBVHCharacter.ts

Lingo3D is a React/Vue 3d game development framework that ships with a complete visual editor

import { Cancellable } from "@lincode/promiselikes"
import { Vector3 } from "three"
import PhysicsObjectManager from "."
import scene from "../../../engine/scene"
import getActualScale from "../../utils/getActualScale"
import ObjectManager from "../ObjectManager"
import { bvhCharacterSet } from "./bvh/bvhCharacterSet"
import "./bvh/bvhLoop"
import PhysicsUpdate from "./PhysicsUpdate"

export default function (this: PhysicsObjectManager, handle: Cancellable) {
    if (handle.done) return

    scene.attach(this.outerObject3d)

    if (this instanceof ObjectManager)
        this.width = this.depth = Math.min(this.width, this.depth)

    this.rotationUpdate = new PhysicsUpdate()
    this.positionUpdate = new PhysicsUpdate()
    const actualScale = getActualScale(this).multiplyScalar(0.5)
    this.bvhHalfHeight = Math.max(actualScale.y, 0.5)
    this.bvhRadius = Math.max(actualScale.x, 0.5)

    this.bvhVelocity = new Vector3()
    bvhCharacterSet.add(this)
    handle.then(() => {
        bvhCharacterSet.delete(this)
        this.rotationUpdate = undefined
        this.positionUpdate = undefined
    })
}