Coroutines for (gamepad) vibration patterns using iTween to get the linear transition

gistfile1.txt

		public IEnumerator ImpactVibration (float enemyDirection)
		{
				float vibTime = 0.5f;
				float impVibStart = 0.1f;
				float impVibStrength = 0.35f;
				doVibrate = true;		

				StartCoroutine (DoVibrate ());
				if (enemyDirection > 0) {
						StartCoroutine (setVibrate (0, vibTime, impVibStart, impVibStrength, "setLeftVibrate"));
				} else {
						StartCoroutine (setVibrate (0, vibTime, impVibStart, impVibStrength, "setRightVibrate"));
				}

				yield return new WaitForSeconds (vibTime + 0.1f);

				doVibrate = false;
				this.deviceObs.doVibration (0, 0);

		}

		public IEnumerator DashVibration (float startStrength, float endStrength)
		{
				float vibTime = 0.5f;
				doVibrate = true;

				StartCoroutine (DoVibrate ());

				if (this.xFacing > 0) {
						StartCoroutine (setVibrate (0, vibTime * 0.75f, startStrength, endStrength, "setLeftVibrate"));
						StartCoroutine (setVibrate (vibTime * 0.2f, vibTime * 0.8f, startStrength, endStrength, "setRightVibrate"));
				} else {
						StartCoroutine (setVibrate (0, vibTime * 0.75f, startStrength, endStrength, "setRightVibrate"));
						StartCoroutine (setVibrate (vibTime * 0.2f, vibTime * 0.8f, startStrength, endStrength, "setLeftVibrate"));
				}

				yield return new WaitForSeconds (vibTime + 0.1f);

				doVibrate = false;
				this.deviceObs.doVibration (0, 0);
		}

		private IEnumerator setVibrate (float delay, float vibTime, float from, float to, string callBackMethod)
		{
				yield return new WaitForSeconds (delay);

				iTween.ValueTo (this.gameObject,
		                iTween.Hash (iT.ValueTo.from, from,
										             iT.ValueTo.to, to,
										             iT.ValueTo.time, vibTime,
										             iT.ValueTo.onupdate, callBackMethod,
		             								 iT.ValueTo.easetype, iTween.EaseType.linear));
		
				yield return new WaitForSeconds (vibTime + 0.05f);

				if (callBackMethod.Equals ("setLeftVibrate")) {
						setLeftVibrate (0);
				} else {
						setRightVibrate (0);
				}
		}

		private IEnumerator DoVibrate ()
		{
				while (this.doVibrate) {
						this.deviceObs.doVibration (leftVib, rightVib);
						yield return new WaitForEndOfFrame ();
				}
		}

		private void setLeftVibrate (float newValue)
		{
				this.leftVib = newValue;
		}

		private void setRightVibrate (float newValue)
		{
				this.rightVib = newValue;
		}