Get Vector3 of Position Clicked on Plane

Question

I want to click on a 3D plane with my mouse. When I do this, I want it to return a Vector3 of where I clicked. When I use:

Vector3 point = Camera.main.ScreenToWorldPoint(Input.mousePosition);

then, it gives me the Vector3 of the center of the plane. Not what I want. I want it to be at the position I click.

I am trying to create a Ray (Camera.ScreenPointToRay) and work with Physics.Raycast, but that just returns a bool, and not where it actually hits.

I have spent the last 3 hours reading everyone else's questions...what am I missing here?

Sergey Krusch · Answer 1 · 2014-05-16T06:36:41.830

0

Well, you are almost there! What you need to use is Plane.Raycast

Edit

Plane plane = blablabla;
Ray ray = blablabla;
float distance;
Vector3? intersectionPoint = null;
if (plane.Raycast(ray, out distance))
    intersectionPoint = ray.GetPoint(distance);

edited May 16 '14 at 06:36

answered May 16 '14 at 05:20

Sergey Krusch

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17

No it isn't. I am not looking for a boolean, I am looking for a Vector3. – Evorlor May 16 '14 at 05:57
Yes, it is. Please, be so kind and read that page through carefully: http://docs.unity3d.com/Documentation/ScriptReference/Plane.Raycast.html – Sergey Krusch May 16 '14 at 06:24

score 0 · Answer 2 · answered May 17 '14 at 00:37

Here this should help you…

Ray ray = Camera.main.ScreenPointToRay (Input.mousePosition); //Convert mouse position to raycast
RaycastHit hit; //Create a RaycastHit variable to store the hit data into
Vector3 clickedPosition; //Create a vector3 variable to store the clicked position in

if (Input.GetMouseButtonDown (0) && Physics.Raycast (ray, out hit, 1000)) //If the user clicks the left mouse button and we hit an object with our raycast then
{
    clickedPosition = hit.point; //Store the hit position into the clicked position variable
}

It's that simple :)

Get Vector3 of Position Clicked on Plane

2 Answers2

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