94 lines
2.3 KiB
C#
94 lines
2.3 KiB
C#
// (c) Copyright HutongGames, LLC 2010-2015. 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("RectTransform")]
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[Tooltip("RectTransforms position from world space into screen space. Leave the camera to none for default behavior")]
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public class RectTransformWorldToScreenPoint : BaseUpdateAction
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{
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[RequiredField]
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[CheckForComponent(typeof(RectTransform))]
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[Tooltip("The GameObject target.")]
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public FsmOwnerDefault gameObject;
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[CheckForComponent(typeof(Camera))]
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[Tooltip("The camera to perform the calculation. Leave to none for default behavior")]
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public FsmOwnerDefault camera;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the screen position in a Vector3 Variable. Z will equal zero.")]
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public FsmVector3 screenPoint;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the screen X position in a Float Variable.")]
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public FsmFloat screenX;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the screen Y position in a Float Variable.")]
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public FsmFloat screenY;
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[Tooltip("Normalize screen coordinates (0-1). Otherwise coordinates are in pixels.")]
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public FsmBool normalize;
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RectTransform _rt;
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Camera _cam = null;
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public override void Reset()
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{
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base.Reset();
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gameObject = null;
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camera = new FsmOwnerDefault();
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camera.OwnerOption = OwnerDefaultOption.SpecifyGameObject;
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camera.GameObject = new FsmGameObject(){UseVariable=true};
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screenPoint = null;
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screenX = null;
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screenY = null;
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everyFrame = false;
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}
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public override void OnEnter()
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{
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GameObject go = Fsm.GetOwnerDefaultTarget(gameObject);
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if (go != null)
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{
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_rt = go.GetComponent<RectTransform>();
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}
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GameObject goCam = Fsm.GetOwnerDefaultTarget(camera);
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if (goCam != null)
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{
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_cam = go.GetComponent<Camera>();
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}
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DoWorldToScreenPoint();
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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 OnActionUpdate()
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{
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DoWorldToScreenPoint();
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}
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void DoWorldToScreenPoint()
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{
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var position = RectTransformUtility.WorldToScreenPoint(_cam,_rt.position);
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if (normalize.Value)
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{
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position.x /= Screen.width;
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position.y /= Screen.height;
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}
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screenPoint.Value = position;
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screenX.Value = position.x;
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screenY.Value = position.y;
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}
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}
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} |