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6
questions
0
votes
1
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595
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OpenGL - 2D enemy not rotating to face player
I am creating a 2D game and at the moment I am trying to rotate my enemy so that it is always facing my player when my player moves. I am using the dot product to calculate the angle to then rotate ...
-3
votes
1
answer
426
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Rotation on a newer version of OpenGL (How to rotate while not using glRotatef) [closed]
So I started working on a game with the new OpenGL versions in specific (3.2).
I am using shaders and VBOs.
How can I implement rotation? (I used to just use glRotatef) I would rather do it through ...
1
vote
1
answer
934
views
2d rotation on set of points causes skewing distortion
I'm writing an application in OpenGL (though I don't think this problem is related to that). I have some 2d point set data that I need to rotate. It later gets projected into 3d.
I apply my rotation ...
0
votes
2
answers
307
views
2d rotation opengl
Here is the code I am using.
#define ANGLETORADIANS 0.017453292519943295769236907684886f // PI / 180
#define RADIANSTOANGLE 57.295779513082320876798154814105f // 180 / PI
rotation = rotation *...
5
votes
1
answer
24k
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OpenGL rotating a 2D texture
UPDATE
See bottom for update.
I've been looking alot around the internet and I have found a few tutorials that explain what I'm trying to achieve but I can't get it to work, either the tutorial is ...
1
vote
1
answer
5k
views
OpenGL rotation in 2D
I have a simple OpenGL application, which displays a line. I store x1, y1, x2 and y2 in global variables.
The rotation function uses the feedback functionality, discussed here and the translation to ...