mylingo3d/lib/display/core/PhysicsObjectManager/enableCannon.js

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

import loadCannon from "./cannon/loadCannon";
import { cannonSet } from "./cannon/cannonLoop";
import scene from "../../../engine/scene";
import PhysicsUpdate from "./PhysicsUpdate";
const physicsGroups = [1, 2, 4, 8, 16, 32];
const physicsGroupIndexes = [0, 1, 2, 3, 4, 5];
export default async function (handle) {
    if (handle.done)
        return;
    scene.attach(this.outerObject3d);
    const { slipperyMaterial, defaultMaterial, world, Body, Vec3 } = await loadCannon();
    if (handle.done)
        return;
    const body = (this.cannonBody = new Body({
        mass: this._mass ?? 1,
        material: this._slippery ? slipperyMaterial : defaultMaterial,
        collisionFilterGroup: physicsGroups[this._physicsGroup ?? 0],
        collisionFilterMask: physicsGroupIndexes
            .filter((index) => !this._ignorePhysicsGroups?.includes(index))
            .map((index) => physicsGroups[index])
            .reduce((acc, curr) => acc + curr, 0)
    }));
    await this.physicsShape();
    if (handle.done)
        return;
    if (this._physics === "2d") {
        body.angularFactor = new Vec3(0, 0, 1);
        body.linearFactor = new Vec3(1, 1, 0);
    }
    if (this._noTumble)
        body.angularFactor = new Vec3(0, 0, 0);
    body.position.copy(this.outerObject3d.position);
    body.quaternion.copy(this.outerObject3d.quaternion);
    this.rotationUpdate = new PhysicsUpdate();
    this.positionUpdate = new PhysicsUpdate();
    world.addBody(body);
    cannonSet.add(this);
    handle.then(() => {
        world.removeBody(body);
        cannonSet.delete(this);
        this.cannonBody = undefined;
        this.rotationUpdate = undefined;
        this.positionUpdate = undefined;
    });
}
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