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Question by JayFitz91 · Jul 21, 2015 at 10:40 PM · raycastcanvasfiring

Fire a raycast to location of image on canvas

I have the following scene below, I have a crosshair on my screen which is positioned on the canvas, what I would like to know is, is it possible to fire a projectile from a position on my player to the point of the crosshair?

I have been using raycasts originally and have a shooting system in place but was just curious what the best way to achieve this would be if possible?

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Answer by Mulldor · Jul 21, 2015 at 10:44 PM

If the crosshair is at the mouse position, use

 Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
 RayCast hit;
 //Then use a raycast
 
 if(Physics.Raycast(ray, out hit, mathf.infinity))
 {
   execute code
 }

That is the most optimal way to do it. You can of course also just locate at what position the crosshair is in XY (Vector2). Then fire a ray from camera to that one instead.

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avatar image JayFitz91 · Jul 21, 2015 at 10:47 PM 0
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Hi, the crosshair is not at the mouse position, it is fixed slightly above the center of the screen, it is always slightly above the characters head

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