Unity3D研究院之3DTouch

		//压力的取值在0F-6.xF之间，我们测试4F是个不错的力度
		const float PRESSURE_MAX = 4F;
		void Update () 
		{
			if (Input.touchPressureSupported) {
				if (Input.touchCount > 0) {
					Touch touch = Input.GetTouch (0);
					if (touch.pressure >= PRESSURE_MAX) {
						//触发3dtouch
					} 
				}
			}
			#if UNITY_EDITOR
			//editor下用鼠标右键来模拟
			if (Input.GetMouseButtonDown (1)) {
			} else if (Input.GetMouseButtonUp (1)) {
			} else if (Input.GetMouseButton (1)) {
			}
			#endif
		}

#import <AudioToolbox/AudioServices.h> 
AudioServicesPlaySystemSound(1520);