lingo3d/lib/systems/dummySystem.js

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

import { deg2Rad, endPoint } from "@lincode/math";
import fpsAlpha from "../display/utils/fpsAlpha";
import { euler } from "../display/utils/reusables";
import createInternalSystem from "./utils/createInternalSystem";
export const dummySystem = createInternalSystem("dummySystem", {
    data: {},
    update: (self, { poseService, backwards, strideMode, spine, spineQuaternion, loadedItemQuaternion, strideMove, angle, strideForward, strideRight }) => {
        poseService.send(backwards ? "RUN_BACKWARDS_START" : "RUN_START");
        const loadedObject3d = self.$loadedObject3d;
        const quaternionOld = loadedObject3d.quaternion.clone();
        let spinePoint;
        if (strideMode === "aim" && spine && spineQuaternion) {
            loadedObject3d.quaternion.copy(loadedItemQuaternion);
            spine.quaternion.copy(spineQuaternion);
            spinePoint = spine.pointAt(1000);
        }
        loadedObject3d.quaternion.setFromEuler(euler.set(0, angle * deg2Rad, 0));
        const quaternionNew = loadedObject3d.quaternion.clone();
        loadedObject3d.quaternion
            .copy(quaternionOld)
            .slerp(quaternionNew, fpsAlpha(0.2));
        spinePoint && spine?.lookAt(spinePoint);
        if (!strideMove)
            return;
        const { x, y } = endPoint(0, 0, angle + 90, Math.max(Math.abs(strideForward), Math.abs(strideRight)));
        self.moveForward(backwards ? y : -y);
        self.moveRight(backwards ? x : -x);
    }
});
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