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79 lines
2.7 KiB
79 lines
2.7 KiB
3 years ago
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//========= Copyright 2016-2018, HTC Corporation. All rights reserved. ===========
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using HTC.UnityPlugin.Utility;
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using UnityEngine;
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namespace HTC.UnityPlugin.PoseTracker
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{
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public class PoseEaser : BasePoseModifier
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{
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// similar to equation y=1-(0.01^x) where 0<x<1
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private static AnimationCurve curve = new AnimationCurve(new Keyframe[] {
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new Keyframe(0f, 0f, 4.203674f, 4.203674f),
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new Keyframe(0.202865f, 0.5948543f, 1.790932f, 1.790932f),
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new Keyframe(0.3988017f, 0.8385032f, 0.8143054f, 0.8143054f),
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new Keyframe(1f, 0.99f, 0f, 0f),
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});
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public float duration = 0.15f;
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private bool firstPose = true;
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private RigidPose prevPose;
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public bool easePositionX = true;
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public bool easePositionY = true;
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public bool easePositionZ = true;
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public bool easeRotationX = true;
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public bool easeRotationY = true;
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public bool easeRotationZ = true;
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protected override void OnEnable()
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{
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base.OnEnable();
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ResetFirstPose();
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}
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public override void ModifyPose(ref RigidPose pose, Transform origin)
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{
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if (firstPose)
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{
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firstPose = false;
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}
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else
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{
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var deltaTime = Time.unscaledDeltaTime;
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if (deltaTime < duration)
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{
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var easedPose = RigidPose.Lerp(prevPose, pose, curve.Evaluate(deltaTime / duration));
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if (!easePositionX || !easePositionY || !easePositionZ)
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{
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var originPos = pose.pos;
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var easedPos = easedPose.pos;
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if (!easePositionX) { easedPos.x = originPos.x; }
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if (!easePositionY) { easedPos.y = originPos.y; }
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if (!easePositionZ) { easedPos.z = originPos.z; }
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easedPose.pos = easedPos;
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}
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if (!easeRotationX || !easeRotationY || !easeRotationZ)
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{
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var originEuler = pose.rot.eulerAngles;
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var easedEuler = easedPose.rot.eulerAngles;
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if (!easeRotationX) { easedEuler.x = originEuler.x; }
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if (!easeRotationY) { easedEuler.y = originEuler.y; }
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if (!easeRotationZ) { easedEuler.z = originEuler.z; }
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easedPose.rot = Quaternion.Euler(easedEuler);
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}
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pose = easedPose;
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}
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}
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prevPose = pose;
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}
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public void ResetFirstPose() { firstPose = true; }
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}
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}
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