arthurdiniz0_outer-math/OuterMath Unity Project/Assets/PlayMaker/Actions/Physics/GetSpeed.cs
// (c) Copyright HutongGames, LLC 2010-2013. All rights reserved.

using UnityEngine;

namespace HutongGames.PlayMaker.Actions
{
	[ActionCategory(ActionCategory.Physics)]
	[Tooltip("Gets the Speed of a Game Object and stores it in a Float Variable. NOTE: The Game Object must have a RigidBody component.")]
	public class GetSpeed : ComponentAction<Rigidbody>
	{
		[RequiredField]
		[CheckForComponent(typeof(Rigidbody))]
        [Tooltip("The GameObject with a RigidBody component.")]
		public FsmOwnerDefault gameObject;
		
        [RequiredField]
		[UIHint(UIHint.Variable)]
        [Tooltip("Store the speed in a float variable.")]
		public FsmFloat storeResult;
		
        [Tooltip("Repeat every frame.")]
        public bool everyFrame;

		public override void Reset()
		{
			gameObject = null;
			storeResult = null;
			everyFrame = false;
		}

		public override void OnEnter()
		{
			DoGetSpeed();

		    if (!everyFrame)
		    {
		        Finish();
		    }		
		}

		public override void OnUpdate()
		{
			DoGetSpeed();
		}

		void DoGetSpeed()
		{
		    if (storeResult == null)
		    {
		        return;
		    }
			
			var go = gameObject.OwnerOption == OwnerDefaultOption.UseOwner ? Owner : gameObject.GameObject.Value;
		    if (UpdateCache(go))
		    {
                var velocity = rigidbody.velocity;
                storeResult.Value = velocity.magnitude;
		    }
		}
	}
}