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Tag: opengl

PyOpenGL Taking keyboard input

I’m trying to make a raycaster in Python with PyOpenGL and i accomplished to make a little yellow square. Main thing is that i need keyboard input to move my square and i made something but it is not working. Here is the code: Why this code is not working? Answer Define px and py in global namespace: Use the

PyOpenGL :: OpenGL.error.NullFunctionError: Attempt to call an undefined function glutInit, check for bool(glutInit) before calling

I’m following this very easy guide in order to make my first steps into PyOpenGL. I installed pip install PyOpenGL PyOpenGL_accelerate , all good. I tested the installation through the test code: import OpenGL.GL import OpenGL.GLUT import OpenGL.GLU print(“Imports successful!”) # If you see this printed to the console then installation was successful all good I now run this script:

pyOpenGL 2D Image drawn skewed

I am trying to draw a 2d image in OpenGL using pillow to load the image, but when I render it in OpenGL, the image is skewed. This is the original image: Loading.png This is the code: Result As you can see, the result is a skewed image, I don’t know why this is happening, and I can’t see the

PyOpenGL – Minimal glDrawArrays Example

I’ve seen many minimal PyOpenGL examples, but none of the ones I’ve found make use of VAOs or glDrawArrays / glDrawElements. Instead they all use glVertex, glut shapes, and occasionally the old glCallList function. I’m now trying to write a minimal working example that uses vertex arrays and buffers for vertex data. If I understand PyOpenGL correctly, the following code

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