0
votes
0answers
90 views

LWJGL Rotating is moving

I am trying to rotate my QUAD even just a little bit. I have read pages like http://www.java-gaming.org/topics/lwjgl-tutorial-series-moving-and-rotating-triangle/30679/view.html In my render() ...
0
votes
0answers
132 views

LWJGL Translation Problems with Matrix4f Class

I've just implemented a simple 3D Camera into my current game program using matrices and shaders. (I've basically just implemented the simple camera found here: ...
0
votes
1answer
338 views

LWJGL Camera Rotation Issues

I am quite new to LWJGL and OpenGL and I am trying to create an FPS camera. I had no problem with 2D stuff, so I decided to step things up and try and make some things in 3D. I have this 3D camera ...
0
votes
3answers
230 views

What are the semantics of glRotate and glTranslate's parameters?

I have been trying to play with OpenGL after watching some tutorials and I don't understand how the glTranslatef and glRotatef functions work. I believe a simple picture would help me. I understand ...
1
vote
1answer
169 views

Sprite rotation

I'm using OpenGL and people suggest using glRotate for sprite rotation, but I find that strange. My problem with it is that it rotates the whole matrix, which sort of screws up all my collision ...
1
vote
2answers
3k views

Rotating a Quad around it center

How can you rotate a quad around its center? This is what im trying to do but it aint working: GL11.glTranslatef(x-getWidth()/2, y-getHeight()/2, 0); GL11.glRotatef(30, 0.0f, 0.0f, ...
1
vote
1answer
373 views

Rotating a cube using jBullet collisions

How would one go about rotating/flipping a cube with the physics of jBullet? Here is my Draw method for my cube object: public void Draw() { // center point posX, posY, posZ float ...
2
votes
3answers
531 views

OpenGL Get Rotated X and Y of quad

I am developing a game in 2D using LWJGL library. So far I have a rotating box. I have done basic Rectangle collision, but it doesn't work for rotated rectangles. Does OpenGL have a function that ...
1
vote
1answer
3k views

Rotation of images in Slick2D

I have have a rotation problem in the Slick2d library, the image is just not rotating (ie I set a rotation but no result is shown). Here is the rotation code: if (input.IsKeyDown(Input.KEY_LEFT)) { ...
2
votes
3answers
4k views

LWJGL glRotatef() without rotating axes?

Okay so, I noticed when you rotate around an axis, say you do this: glRotatef(90.0f, 1.0f, 0.0f, 0.0f); That will rotate things 90 degrees around the x-axis. However, it also sort of rotates the y ...