mylingo3d/src/display/core/PhysicsObjectManager/cannon/loadCannon.ts

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

import { lazy } from "@lincode/utils"
import { getGravity } from "../../../../states/useGravity"
import { setPhysicsWorld } from "../../../../states/usePhysicsWorld"

export default lazy(async () => {
    const {
        World,
        GSSolver,
        SplitSolver,
        NaiveBroadphase,
        Material,
        ContactMaterial,
        Body,
        Vec3,
        Box,
        Sphere,
        Cylinder
    } = await import("cannon-es")

    const world = new World()
    getGravity((gravity) => world.gravity.set(0, -gravity, 0))

    world.quatNormalizeSkip = 0
    world.quatNormalizeFast = false

    const solver = new GSSolver()

    world.defaultContactMaterial.contactEquationStiffness = 1e9
    world.defaultContactMaterial.contactEquationRelaxation = 4

    solver.iterations = 7
    solver.tolerance = 0.1
    const split = true
    if (split) world.solver = new SplitSolver(solver)
    else world.solver = solver

    world.broadphase = new NaiveBroadphase()

    const [defaultMaterial] = world.defaultContactMaterial.materials
    const slipperyMaterial = new Material("slipperyMaterial")

    world.addContactMaterial(
        new ContactMaterial(slipperyMaterial, slipperyMaterial, {
            friction: 0.0,
            restitution: 0.0
        })
    )
    world.addContactMaterial(
        new ContactMaterial(slipperyMaterial, defaultMaterial, {
            friction: 0.001,
            restitution: 0.0
        })
    )
    setPhysicsWorld(world)

    return {
        world,
        defaultMaterial,
        slipperyMaterial,
        Body,
        Vec3,
        Box,
        Sphere,
        Cylinder
    }
})