initial upload

Unity-Master/Assets/Plugins/RootMotion/FinalIK/Tools/BodyTilt.cs

@@ -0,0 +1,52 @@
+using UnityEngine;
+using System.Collections;
+
+namespace RootMotion.FinalIK {
+
+	/// <summary>
+	/// Procedural body tilting with FBBIK.
+	/// </summary>
+	public class BodyTilt: OffsetModifier {
+
+		[Tooltip("Speed of tilting")]
+		public float tiltSpeed = 6f;
+		[Tooltip("Sensitivity of tilting")]
+		public float tiltSensitivity = 0.07f;
+		[Tooltip("The OffsetPose components")]
+		public OffsetPose poseLeft, poseRight;
+
+		private float tiltAngle;
+		private Vector3 lastForward;
+
+		protected override void Start() {
+			base.Start();
+
+			// Store current character forward axis and Time
+			lastForward = transform.forward;
+		}
+
+		// Called by IKSolverFullBody before updating
+		protected override void OnModifyOffset() {
+			// Calculate the angular delta in character rotation
+			Quaternion change = Quaternion.FromToRotation(lastForward, transform.forward);
+			float deltaAngle = 0;
+			Vector3 axis = Vector3.zero;
+			change.ToAngleAxis(out deltaAngle, out axis);
+			if (axis.y > 0) deltaAngle = -deltaAngle;
+
+			deltaAngle *= tiltSensitivity * 0.01f;
+			deltaAngle /= deltaTime;
+			deltaAngle = Mathf.Clamp(deltaAngle, -1f, 1f);
+
+			tiltAngle = Mathf.Lerp(tiltAngle, deltaAngle, deltaTime * tiltSpeed);
+
+			// Applying positionOffsets
+			float tiltF = Mathf.Abs(tiltAngle) / 1f;
+			if (tiltAngle < 0) poseRight.Apply(ik.solver, tiltF);
+			else poseLeft.Apply(ik.solver, tiltF);
+
+			// Store current character forward axis and Time
+			lastForward = transform.forward;
+		}
+	}
+}