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Assets/LeanTween/Examples/Scripts/PathSplineTrack.cs

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+using UnityEngine;
+using System.Collections;
+using DentedPixel;
+
+// This project demonstrates how you can use the spline behaviour for a multi-track game (like an endless runner style)
+
+public class PathSplineTrack : MonoBehaviour {
+
+	public GameObject car;
+	public GameObject carInternal;
+	public GameObject trackTrailRenderers;
+
+	public Transform[] trackOnePoints;
+
+	private LTSpline track;
+	private int trackIter = 1;
+	private float trackPosition; // ratio 0,1 of the avatars position on the track
+
+	void Start () {
+		// Make the track from the provided transforms
+		track = new LTSpline( new Vector3[] {trackOnePoints[0].position, trackOnePoints[1].position, trackOnePoints[2].position, trackOnePoints[3].position, trackOnePoints[4].position, trackOnePoints[5].position, trackOnePoints[6].position} );
+
+		// Optional technique to show the trails in game
+		LeanTween.moveSpline( trackTrailRenderers, track, 2f ).setOrientToPath(true).setRepeat(-1);
+	}
+	
+	void Update () {
+		// Switch tracks on keyboard input
+		float turn = Input.GetAxis("Horizontal");
+		if(Input.anyKeyDown){
+			if(turn<0f && trackIter>0){
+				trackIter--;
+				playSwish();
+			}else if(turn>0f && trackIter < 2){ // We have three track "rails" so stopping it from going above 3
+				trackIter++;
+				playSwish();
+			}
+			// Move the internal local x of the car to simulate changing tracks
+			LeanTween.moveLocalX(carInternal, (trackIter-1)*6f, 0.3f).setEase(LeanTweenType.easeOutBack);
+
+		}
+
+		// Update avatar's position on correct track
+		track.place( car.transform, trackPosition );
+
+		trackPosition += Time.deltaTime * 0.03f;// * Input.GetAxis("Vertical"); // Uncomment to have the forward and backwards controlled by the directional arrows
+
+		if (trackPosition < 0f) // We need to keep the ratio between 0-1 so after one we will loop back to the beginning of the track
+			trackPosition = 1f;
+		else if(trackPosition>1f)
+			trackPosition = 0f; 
+	}
+
+	// Use this for visualizing what the track looks like in the editor (for a full suite of spline tools check out the LeanTween Editor)
+	void OnDrawGizmos(){
+		LTSpline.drawGizmo( trackOnePoints, Color.red);
+	}
+
+	// Make your own LeanAudio sounds at http://leanaudioplay.dentedpixel.com
+	void playSwish(){
+		AnimationCurve volumeCurve = new AnimationCurve( new Keyframe(0f, 0.005464481f, 1.83897f, 0f), new Keyframe(0.1114856f, 2.281785f, 0f, 0f), new Keyframe(0.2482903f, 2.271654f, 0f, 0f), new Keyframe(0.3f, 0.01670286f, 0f, 0f));
+		AnimationCurve frequencyCurve = new AnimationCurve( new Keyframe(0f, 0.00136725f, 0f, 0f), new Keyframe(0.1482391f, 0.005405405f, 0f, 0f), new Keyframe(0.2650336f, 0.002480127f, 0f, 0f));
+
+		AudioClip audioClip = LeanAudio.createAudio(volumeCurve, frequencyCurve, LeanAudio.options().setVibrato( new Vector3[]{ new Vector3(0.2f,0.5f,0f)} ).setWaveNoise().setWaveNoiseScale(1000));
+
+		LeanAudio.play( audioClip ); //a:fvb:8,,.00136725,,,.1482391,.005405405,,,.2650336,.002480127,,,8~8,,.005464481,1.83897,,.1114856,2.281785,,,.2482903,2.271654,,,.3,.01670286,,,8~.2,.5,,~~0~~3,1000,1
+	}
+}