94 lines
2.8 KiB
C#
94 lines
2.8 KiB
C#
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using UnityEditor;
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using UnityEngine;
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using System.Collections;
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namespace RootMotion.FinalIK
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{
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/*
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* Custom inspector for RotationLimitAngle.
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* */
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[CustomEditor(typeof(RotationLimitAngle))]
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[CanEditMultipleObjects]
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public class RotationLimitAngleInspector : RotationLimitInspector
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{
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private RotationLimitAngle script { get { return target as RotationLimitAngle; } }
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#region Inspector
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public override void OnInspectorGUI()
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{
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GUI.changed = false;
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// Draw the default inspector
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DrawDefaultInspector();
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script.limit = Mathf.Clamp(script.limit, 0, 180);
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if (GUI.changed) EditorUtility.SetDirty(script);
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}
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#endregion Inspector
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#region Scene
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void OnSceneGUI()
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{
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// Set defaultLocalRotation so that the initial local rotation will be the zero point for the rotation limit
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if (!Application.isPlaying && !script.defaultLocalRotationOverride) script.defaultLocalRotation = script.transform.localRotation;
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if (script.axis == Vector3.zero) return;
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DrawRotationSphere(script.transform.position);
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// Display the main axis
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DrawArrow(script.transform.position, Direction(script.axis), colorDefault, "Axis", 0.02f);
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Vector3 swing = script.axis.normalized;
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// Display limits
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lastPoint = script.transform.position;
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for (int i = 0; i < 360; i += 2)
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{
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Quaternion offset = Quaternion.AngleAxis(i, swing);
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Quaternion limitedRotation = Quaternion.AngleAxis(script.limit, offset * script.crossAxis);
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Vector3 limitedDirection = Direction(limitedRotation * swing);
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Handles.color = colorDefaultTransparent;
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Vector3 limitPoint = script.transform.position + limitedDirection;
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if (i == 0) zeroPoint = limitPoint;
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Handles.DrawLine(script.transform.position, limitPoint);
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if (i > 0)
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{
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Handles.color = colorDefault;
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Handles.DrawLine(limitPoint, lastPoint);
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if (i == 358) Handles.DrawLine(limitPoint, zeroPoint);
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}
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lastPoint = limitPoint;
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}
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Handles.color = Color.white;
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}
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private Vector3 lastPoint, zeroPoint;
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/*
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* Converting directions from local space to world space
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* */
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private Vector3 Direction(Vector3 v)
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{
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if (script.transform.parent == null) return script.defaultLocalRotation * v;
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return script.transform.parent.rotation * (script.defaultLocalRotation * v);
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}
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#endregion Scene
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}
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}
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