A method typically used for determining what the user selected.
3
votes
1answer
849 views
Opengl-es picking object
I saw a lot of picking code opengl-es, but nothing worked. Can someone give me what am I missing?
My code is (from tutorials/forums)
Vec3 far = Camera.getPosition();
Vec3 near = ...
-1
votes
1answer
118 views
Changing map 0,0 origin to top left while using D3DXMatrixOrthoLH
Thanks to Tetrad (for pointing out D3DXMatrixOrthoLH ) I have figured out how to set it up in DirectX9. However, the problem I am now facing is my 0,0 mouse position is now in the middle.
What I ...
1
vote
0answers
223 views
2D isometric picking
I'm trying to implement picking in my isometric 2D game, however, I am failing.
First of all, I've searched for a solution and came to several, different equations and even a solution using matrices. ...
1
vote
0answers
87 views
Numerically stable(ish) method of getting Y-intercept of mouse position?
I'm trying to unproject the mouse position to get the position on the X-Z plane of a ray cast from the mouse. The camera is fully controllable by the user. Right now, the algorithm I'm using is...
...
1
vote
0answers
439 views
Picking 3D object with Mouse when using Camera Zooming in XNA 4.0
I've tried to figure out how to do picking with the mouse, and things work great when zoomed in all the way with the camera (Third Person Camera). And it works perfectly when using First Person ...
1
vote
0answers
949 views
Controlling 3D model with mouse XNA 4.0 C#
I am creating a 3D table tennis game and the racquet (created in Maya 2012) is controlled by the mouse. I have used picking method to control the racquet, however the cursor is not on the racquet. It ...
0
votes
0answers
60 views
Why would rotating the camera effect my pick ray?
So i'm trying to get terrain picking going.
I set up my ray, and I can pick out models, or sprites, whatever I want, no problem.
But when I try and get my 3D coords based off terrain collision it ...
0
votes
0answers
102 views
How to create 3d picking ray with the cursor position
I'm new here and I'm not sure how to go about doing this. I am creating an application that is supposed to use the cursor's position in the window to perform 3d picking. The tutorials I have found ...
0
votes
0answers
214 views
Why does RayIntersect return wrong values?
I'm trying to implement Object picking. My BasicModel.cs has a function:
public bool CheckRayIntersection(Ray ray)
{
//Where aabb is the BasicModel's BoundingBox
if ...
