98 lines
2.6 KiB
C#
98 lines
2.6 KiB
C#
// (c) Copyright HutongGames, LLC 2010-2013. 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.Input)]
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[Tooltip("Perform a Mouse Pick on the scene from the Main Camera and stores the results. Use Ray Distance to set how close the camera must be to pick the object.")]
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public class MousePick : FsmStateAction
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{
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[RequiredField]
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[Tooltip("Set the length of the ray to cast from the Main Camera.")]
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public FsmFloat rayDistance = 100f;
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[UIHint(UIHint.Variable)]
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[Tooltip("Set Bool variable true if an object was picked, false if not.")]
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public FsmBool storeDidPickObject;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the picked GameObject.")]
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public FsmGameObject storeGameObject;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the point of contact.")]
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public FsmVector3 storePoint;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the normal at the point of contact.")]
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public FsmVector3 storeNormal;
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[UIHint(UIHint.Variable)]
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[Tooltip("Store the distance to the point of contact.")]
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public FsmFloat storeDistance;
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[UIHint(UIHint.Layer)]
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[Tooltip("Pick only from these layers.")]
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public FsmInt[] layerMask;
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[Tooltip("Invert the mask, so you pick from all layers except those defined above.")]
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public FsmBool invertMask;
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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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rayDistance = 100f;
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storeDidPickObject = null;
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storeGameObject = null;
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storePoint = null;
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storeNormal = null;
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storeDistance = null;
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layerMask = new FsmInt[0];
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invertMask = false;
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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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DoMousePick();
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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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DoMousePick();
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}
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private void DoMousePick()
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{
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var hitInfo = ActionHelpers.MousePick(rayDistance.Value, ActionHelpers.LayerArrayToLayerMask(layerMask, invertMask.Value));
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var didPick = hitInfo.collider != null;
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storeDidPickObject.Value = didPick;
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if (didPick)
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{
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storeGameObject.Value = hitInfo.collider.gameObject;
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storeDistance.Value = hitInfo.distance;
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storePoint.Value = hitInfo.point;
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storeNormal.Value = hitInfo.normal;
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}
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else
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{
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// TODO: not sure if this is the right strategy...
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storeGameObject.Value = null;
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storeDistance.Value = Mathf.Infinity;
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storePoint.Value = Vector3.zero;
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storeNormal.Value = Vector3.zero;
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}
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}
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}
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} |