77 lines
2.3 KiB
C#
77 lines
2.3 KiB
C#
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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/// Posing the children of a Transform to match the children of another Transform
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/// </summary>
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public class HandPoser : Poser {
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public override void AutoMapping() {
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if (poseRoot == null) poseChildren = new Transform[0];
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else poseChildren = (Transform[])poseRoot.GetComponentsInChildren<Transform>();
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_poseRoot = poseRoot;
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}
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protected override void InitiatePoser() {
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// Find the children
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children = (Transform[])GetComponentsInChildren<Transform>();
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StoreDefaultState();
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}
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protected override void FixPoserTransforms() {
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for (int i = 0; i < children.Length; i++) {
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children[i].localPosition = defaultLocalPositions[i];
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children[i].localRotation = defaultLocalRotations[i];
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}
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}
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protected override void UpdatePoser() {
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if (weight <= 0f) return;
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if (localPositionWeight <= 0f && localRotationWeight <= 0f) return;
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// Get the children, if we don't have them already
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if (_poseRoot != poseRoot) AutoMapping();
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if (poseRoot == null) return;
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// Something went wrong
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if (children.Length != poseChildren.Length) {
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Warning.Log("Number of children does not match with the pose", transform);
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return;
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}
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// Calculate weights
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float rW = localRotationWeight * weight;
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float pW = localPositionWeight * weight;
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// Lerping the localRotation and the localPosition
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for (int i = 0; i < children.Length; i++) {
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if (children[i] != transform) {
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children[i].localRotation = Quaternion.Lerp(children[i].localRotation, poseChildren[i].localRotation, rW);
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children[i].localPosition = Vector3.Lerp(children[i].localPosition, poseChildren[i].localPosition, pW);
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}
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}
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}
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protected Transform[] children;
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private Transform _poseRoot;
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private Transform[] poseChildren;
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private Vector3[] defaultLocalPositions;
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private Quaternion[] defaultLocalRotations;
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protected void StoreDefaultState() {
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defaultLocalPositions = new Vector3[children.Length];
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defaultLocalRotations = new Quaternion[children.Length];
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for (int i = 0; i < children.Length; i++) {
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defaultLocalPositions[i] = children[i].localPosition;
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defaultLocalRotations[i] = children[i].localRotation;
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}
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}
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}
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}
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