Method initEvents

packages/melonjs/src/renderable/draggable.js:42–72

* Initializes the events the modules needs to listen to * It translates the pointer events to me.events * in order to make them pass through the system and to make * this module testable. Then we subscribe this module to the * transformed events. * @private

()

	 * @private
	 */
	initEvents() {
		input.registerPointerEvent("pointerdown", this, (e) => {
			emit(DRAGSTART, e, this);
		});
		input.registerPointerEvent("pointerup", this, (e) => {
			emit(DRAGEND, e, this);
		});
		input.registerPointerEvent("pointercancel", this, (e) => {
			emit(DRAGEND, e, this);
		});

		this.handlePointerMove = (e) => {
			this.dragMove(e);
		};

		this.handleDragStart = (e, draggable) => {
			if (draggable === this) {
				this.dragStart(e);
			}
		};

		this.handleDragEnd = (e, draggable) => {
			if (draggable === this) {
				this.dragEnd(e);
			}
		};

		on(POINTERMOVE, this.handlePointerMove);
		on(DRAGSTART, this.handleDragStart);
		on(DRAGEND, this.handleDragEnd);
	}

	/**
	 * Gets called when the user starts dragging the entity