Test

Assets/Standard Assets/Utility/CurveControlledBob.cs

@@ -0,0 +1,54 @@
+using System;
+using UnityEngine;
+
+
+namespace UnityStandardAssets.Utility
+{
+    [Serializable]
+    public class CurveControlledBob
+    {
+        public float HorizontalBobRange = 0.33f;
+        public float VerticalBobRange = 0.33f;
+        public AnimationCurve Bobcurve = new AnimationCurve(new Keyframe(0f, 0f), new Keyframe(0.5f, 1f),
+                                                            new Keyframe(1f, 0f), new Keyframe(1.5f, -1f),
+                                                            new Keyframe(2f, 0f)); // sin curve for head bob
+        public float VerticaltoHorizontalRatio = 1f;
+
+        private float m_CyclePositionX;
+        private float m_CyclePositionY;
+        private float m_BobBaseInterval;
+        private Vector3 m_OriginalCameraPosition;
+        private float m_Time;
+
+
+        public void Setup(Camera camera, float bobBaseInterval)
+        {
+            m_BobBaseInterval = bobBaseInterval;
+            m_OriginalCameraPosition = camera.transform.localPosition;
+
+            // get the length of the curve in time
+            m_Time = Bobcurve[Bobcurve.length - 1].time;
+        }
+
+
+        public Vector3 DoHeadBob(float speed)
+        {
+            float xPos = m_OriginalCameraPosition.x + (Bobcurve.Evaluate(m_CyclePositionX)*HorizontalBobRange);
+            float yPos = m_OriginalCameraPosition.y + (Bobcurve.Evaluate(m_CyclePositionY)*VerticalBobRange);
+
+            m_CyclePositionX += (speed*Time.deltaTime)/m_BobBaseInterval;
+            m_CyclePositionY += ((speed*Time.deltaTime)/m_BobBaseInterval)*VerticaltoHorizontalRatio;
+
+            if (m_CyclePositionX > m_Time)
+            {
+                m_CyclePositionX = m_CyclePositionX - m_Time;
+            }
+            if (m_CyclePositionY > m_Time)
+            {
+                m_CyclePositionY = m_CyclePositionY - m_Time;
+            }
+
+            return new Vector3(xPos, yPos, 0f);
+        }
+    }
+}