100 lines
2.0 KiB
C#
100 lines
2.0 KiB
C#
// (c) Copyright HutongGames, LLC 2010-2012. All rights reserved.
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using UnityEngine;
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namespace HutongGames.PlayMaker.Actions
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{
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[ActionCategory(ActionCategory.Trigonometry)]
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[Tooltip("Get the Arc Tangent 2 as in atan2(y,x) from a vector 3, where you pick which is x and y from the vector 3. You can get the result in degrees, simply check on the RadToDeg conversion")]
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public class GetAtan2FromVector3 : FsmStateAction
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{
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public enum aTan2EnumAxis
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{
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x,
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y,
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z
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}
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[RequiredField]
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[Tooltip("The vector3 definition of the tan")]
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public FsmVector3 vector3;
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[RequiredField]
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[Tooltip("which axis in the vector3 to use as the x value of the tan")]
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public aTan2EnumAxis xAxis;
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[RequiredField]
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[Tooltip("which axis in the vector3 to use as the y value of the tan")]
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public aTan2EnumAxis yAxis;
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[RequiredField]
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[UIHint(UIHint.Variable)]
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[Tooltip("The resulting angle. Note:If you want degrees, simply check RadToDeg")]
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public FsmFloat angle;
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[Tooltip("Check on if you want the angle expressed in degrees.")]
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public FsmBool RadToDeg;
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[Tooltip("Repeat every frame.")]
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public bool everyFrame;
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public override void Reset()
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{
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vector3 = null;
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xAxis = aTan2EnumAxis.x;
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yAxis = aTan2EnumAxis.y;
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RadToDeg = true;
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everyFrame = false;
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angle = null;
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}
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public override void OnEnter()
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{
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DoATan();
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if (!everyFrame)
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{
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Finish();
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}
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}
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public override void OnUpdate()
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{
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DoATan();
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}
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void DoATan()
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{
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float x = vector3.Value.x;
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if (xAxis == aTan2EnumAxis.y)
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{
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x = vector3.Value.y;
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}else if (xAxis == aTan2EnumAxis.z){
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x = vector3.Value.z;
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}
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float y = vector3.Value.y;
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if (yAxis == aTan2EnumAxis.x)
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{
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y = vector3.Value.x;
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}else if (yAxis == aTan2EnumAxis.z){
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y = vector3.Value.z;
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}
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float _angle = Mathf.Atan2(y,x);
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if (RadToDeg.Value)
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{
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_angle = _angle*Mathf.Rad2Deg;
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}
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angle.Value = _angle;
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}
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}
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} |