How can I make a trigger in 2d

I have tried to make one by measuring the x axis of the trigger and the player, and when they are the same it activates what I want it to do but it does not work.

And I do not know what to do.

 

here is the script
{
private float Trigger_Point;
private float Player_point;
public float moveY = 0;
public float moveX = 0;
public GameObject Move_Objective;
public GameObject Trigger_Object;
public GameObject Player;

void FixedUpdate()
{
Player_point = Player.transform.position.x;
Trigger_Point = Trigger_Object.transform.position.x;

if(Player_point == Trigger_Point)
{
//in this line start the action
Move_Objective.transform.position += new Vector3(moveX, 0, 0) * Time.deltaTime;
Move_Objective.transform.position += new Vector3(0, moveY, 0) * Time.deltaTime;

}
}
}

 

It's unlikely that two floats will ever be equal in any case. Instead, you need to check whether they are "close enough". Something like

if (Mathf.abs(Player_point-Trigger_Point) < 0.01f)

you might need to change 0.01 to a different number depending on how fast your player is moving.

Another way to implement triggers that is probably easier is to use a 2D collider (set to "trigger") and implement OnTriggerEnter2D.

https://docs.unity3d.com/ScriptReference/MonoBehaviour.OnTriggerEnter2D.html

 

Floating (float) point imprecision:

Never test for equality with floating point (float) variables. Here's why:

https://forum.unity.com/threads/why-doesnt-this-code-work.1120498/#post-7208431

How to report your problem productively in the Unity3D forums:

http://plbm.com/?p=220

How to understand compiler and other errors and even fix them yourself:

https://forum.unity.com/threads/ass...3-syntax-error-expected.1039702/#post-6730855

If you post a code snippet, ALWAYS USE CODE TAGS:

How to use code tags: https://forum.unity.com/threads/using-code-tags-properly.143875/

 

Thanks

 

the player has a constant velocity

 

This is irrelevant to floating point precision.