cyclone-physics/scripts/common.js

Pure Javascript physics engine based on http://procyclone.com/

elation.require(['engine.external.three.three'], function() {
  class CycloneVector3 extends THREE.Vector3 {
    get x() { return this._x; }
    set x(v) { this.changed = (this.changed || v !== this._x); this._x = v; }

    get y() { return this._y; }
    set y(v) { this.changed = (this.changed || v !== this._y); this._y = v; }

    get z() { return this._z; }
    set z(v) { this.changed = (this.changed || v !== this._z); this._z = v; }

    reset() {
      this.changed = false;
    }
    toJSON() {
      return {x: this._x, y: this._y, z: this._z};
    }
    clone() {
      return super.clone();
    }
  }
  // FIXME - orientation doesn't currently work properly because THREE.Quaternion already uses getters and setters internally
  class CycloneQuaternion extends THREE.Quaternion {
    get x() { return this._x; }
    set x(v) { this.changed = (this.changed || v !== this._x); this._x = v; }

    get y() { return this._y; }
    set y(v) { this.changed = (this.changed || v !== this._y); this._y = v; }

    get z() { return this._z; }
    set z(v) { this.changed = (this.changed || v !== this._z); this._z = v; }

    get w() { return this._w; }
    set w(v) { this.changed = (this.changed || v !== this._w); this._w = v; }

    copy(quat) {
      this.changed = true;
      return super.copy(quat);
    }
    clone() {
      return super.clone();
    }
    set(x, y, z, w) {
      this.changed = true;
      return super.set(x, y, z, w);
    }
    setFromEuler(euler, update) {
      this.changed = true;
      return super.setFromEuler(euler, update);
    }
    setFromAxisAngle(axis, angle) {
      this.changed = true;
      return super.setFromAxisAngle(axis, angle);
    }
    setFromRotationMatrix(m) {
      this.changed = true;
      return super.setFromRotationMatrix(m);
    }
    setFromUnitVectors(v1, v2) {
      this.changed = true;
      return super.setFromUnitVectors(v1, v2);
    }
    reset() {
      this.changed = false;
    }
    toJSON() {
      return {x: this._x, y: this._y, z: this._z, w: this.w};
    }
  }

  elation.extend('physics.vector3', CycloneVector3);
  elation.extend('physics.quaternion', CycloneQuaternion);
});