2
votes
1answer
80 views

Mouse Speed in GLUT and OpenGL?

I would like to simulate a point that moves in 2D. The input should be the speed of the mouse, so the new position will be computed as following new_position = old_position + ...
2
votes
1answer
283 views

How to select a vertex by mouse clicking in OpenGL?

I'm programming a simple graph game and so far I'm still doing a few tests in OpenGL. Right now, let's say I defined a GL_POINT with the glVertex2f(20.0f, 0.0f). I have this function to calculate the ...
2
votes
2answers
619 views

LWJGL multiple keyboard/mouse input checks

As in many game libraries such as LWJGL, you can check mouse/keyboard events with Mouse.isButtonDown or Keyboard.IsKeyDown. I want to check for button/key presses, not if it's currently pressed down ...
2
votes
0answers
355 views

Converting Mouse Coords to 3d coords with Camera position [closed]

So I've looked at all the answers I can possibly find, and nothing seems to fit what I need exactly (because im bad at math). I'll explain what I have thus far: A camera with x,y,z, Pitch and Yaw ...
3
votes
1answer
691 views

Rotating To Face a Point

I am trying to rotate a line to point to the mouse's world coordinates (rather where the mouse lies on the plane where y=0). I am running into a couple of problems though: Whilst it follows the ...
1
vote
1answer
2k views

Picking objects with mouse ray

I simply want to pick a few spheres in my scene using the mouse-ray. I have implemented(copied most of it but with little understanding) a ray-sphere collision code. Also I have implemented the code ...