Add CollectCoins

CollectCoins/Assets/Scripts/CoinScript.cs

@@ -5,13 +5,24 @@ public class CoinScript : MonoBehaviour {
 
 	public float rotationSpeed = 100.0f;
 	GameObject player;
+	public float rotationCenterSpeed = 50f;
+	public Vector3 centerPosition;
+	private Color startColor;
+	public float colorChangeSpeed = 0.1f;
 
 	void Start () {
 		player = GameObject.Find("First Person Controller");
+		startColor = renderer.material.color;
 	}
 	
 	void Update () {
 		transform.Rotate(0, 0, rotationSpeed * Time.deltaTime);
+
+		transform.RotateAround(centerPosition, Vector3.up, Time.deltaTime * rotationCenterSpeed);
+
+		float change = Mathf.PingPong(colorChangeSpeed * Time.time, 1f);
+		Color newColor = Color.Lerp(startColor, Color.red, change);
+		renderer.material.color = newColor;
 	}
 
 	void OnTriggerEnter(Collider collider)