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