@needle-tools/engine/lib/engine-components/Joints.js

Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development with great integrations into editors like Unity or Blender - and can be deployed onto any device! It is flexible, extensible and networking and XR are built-in.

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import { Vector3 } from "three";
import { serializable } from "../engine/engine_serialization.js";
import { Behaviour } from "./Component.js";
import { Rigidbody } from "./RigidBody.js";
export class Joint extends Behaviour {
    connectedBody;
    get rigidBody() {
        return this._rigidBody;
    }
    _rigidBody = null;
    onEnable() {
        if (!this._rigidBody)
            this._rigidBody = this.gameObject.getComponent(Rigidbody);
        if (this.rigidBody && this.connectedBody)
            this.startCoroutine(this.create());
    }
    *create() {
        yield;
        if (this.rigidBody && this.connectedBody && this.activeAndEnabled) {
            this.createJoint(this.rigidBody, this.connectedBody);
        }
    }
}
__decorate([
    serializable(Rigidbody)
], Joint.prototype, "connectedBody", void 0);
export class FixedJoint extends Joint {
    createJoint(self, other) {
        this.context.physics.engine?.addFixedJoint(self, other);
    }
}
export class HingeJoint extends Joint {
    anchor;
    axis;
    createJoint(self, other) {
        if (this.axis && this.anchor)
            this.context.physics.engine?.addHingeJoint(self, other, this.anchor, this.axis);
    }
}
__decorate([
    serializable(Vector3)
], HingeJoint.prototype, "anchor", void 0);
__decorate([
    serializable(Vector3)
], HingeJoint.prototype, "axis", void 0);
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