Really useful script for getting the distance between two objects in either its Vector 3, X, Y, or Z
You can also get the negative distance if the object is behind or in front of the target. I use it a ton so get it while its hot!
// (c) Copyright HutongGames, LLC 2010-2013. All rights reserved.
using UnityEngine;
namespace HutongGames.PlayMaker.Actions
{
[ActionCategory(ActionCategory.GameObject)]
[Tooltip("Gets the distance based on the Transform Values.")]
public class GetTransformDistance : FsmStateAction
{
[RequiredField]
public FsmOwnerDefault gameObject;
[RequiredField]
public FsmGameObject target;
public enum distanceSelect
{
Vector3Distance,
xDistance,
yDistance,
zDistance,
};
public distanceSelect selectDistanceType;
[Tooltip("Gets a negative and positive values depending on the transform position.")]
public FsmBool getNegative;
[RequiredField]
[UIHint(UIHint.Variable)]
public FsmFloat storeResult;
public bool everyFrame;
public override void Reset()
{
gameObject = null;
target = null;
getNegative = null;
storeResult = null;
everyFrame = true;
}
public override void OnEnter()
{
DoGetDistance();
if (!everyFrame)
Finish();
}
public override void OnUpdate()
{
DoGetDistance();
}
void DoGetDistance()
{
GameObject go = gameObject.OwnerOption == OwnerDefaultOption.UseOwner ? Owner : gameObject.GameObject.Value;
if (go == null || target.Value == null || storeResult == null)
return;
switch (selectDistanceType)
{
case distanceSelect.Vector3Distance:
if (getNegative.Value == true)
{
var position = go.transform.position;
var newPos = target.Value.transform.TransformPoint(position);
storeResult.Value = (newPos.x + newPos.y + newPos.z);
}
else
{
storeResult.Value = Vector3.Distance(go.transform.position, target.Value.transform.position);
}
break;
case distanceSelect.xDistance:
if (getNegative.Value == true)
{
var position = go.transform.position;
var newX = target.Value.transform.TransformPoint(position);
storeResult.Value = newX.x;
}
else
{
storeResult.Value = Mathf.Abs(go.transform.position.x - target.Value.transform.position.x);
}
break;
case distanceSelect.yDistance:
if (getNegative.Value == true)
{
var position = go.transform.position;
var newY = target.Value.transform.TransformPoint(position);
storeResult.Value = newY.y;
}
else
{
storeResult.Value = Mathf.Abs(go.transform.position.y - target.Value.transform.position.y);
}
break;
case distanceSelect.zDistance:
if (getNegative.Value == true)
{
var position = go.transform.position;
var newZ = target.Value.transform.TransformPoint(position);
storeResult.Value = newZ.z;
}
else
{
storeResult.Value = Mathf.Abs(go.transform.position.z - target.Value.transform.position.z);
}
break;
}
}
}
}
