lingo3d/lib/display/Character/index.js

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

import { onBeforeRender } from "../../events/onBeforeRender";
import { modelDefaults, modelSchema } from "../../interface/IModel";
import Bone from "../Bone";
import Model from "../Model";
import getWorldQuaternion from "../../memo/getWorldQuaternion";
import { complementQuaternion, diffQuaternions, worldToLocalQuaternion } from "../utils/quaternions";
import { ybotUrlPtr } from "../../pointers/assetsPathPointers";
class Character extends Model {
    static componentName = "character";
    static defaults = modelDefaults;
    static schema = modelSchema;
    constructor() {
        super();
        this.width = 20;
        this.depth = 20;
        this.scale = 1.7;
        this.src = ybotUrlPtr[0];
        this.$events.once("loaded", () => {
            const arm = this.find("LeftArm")?.outerObject3d;
            const foreArm = this.find("LeftForeArm")?.outerObject3d;
            const hand = this.find("LeftHand")?.outerObject3d;
            if (!arm || !foreArm || !hand)
                return;
            const data = [];
            const boneMap = new WeakMap();
            const attachBone = (arm, foreArm) => {
                const bone = new Bone(arm, foreArm);
                boneMap.set(foreArm, bone);
                boneMap.get(arm)?.attach(bone);
                //todo: change clone to vector3.copy
                const from = arm.quaternion.clone();
                arm.quaternion.copy(worldToLocalQuaternion(arm, getWorldQuaternion(bone.outerObject3d)));
                const diff = diffQuaternions(from, arm.quaternion);
                complementQuaternion(arm.quaternion, diff);
                data.push([bone, arm, diff]);
            };
            attachBone(arm, foreArm);
            attachBone(foreArm, hand);
            const handle = onBeforeRender(() => {
                for (const [bone, arm, diff] of data) {
                    arm.quaternion.copy(worldToLocalQuaternion(arm, getWorldQuaternion(bone.outerObject3d)));
                    complementQuaternion(arm.quaternion, diff);
                }
            });
            return () => {
                handle.cancel();
            };
        });
    }
}
export default Character;
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