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3
votes
1answer
123 views
Can't get normals to work correctly with lighting in OpenGL [closed]
I'm trying to light up a simple 2d triangle with my cursor as a diffuse light source but can't seem to set the normal correctly for the lighting to look right. The function that calculates the normal ...
1
vote
1answer
268 views
Why isn't my lighting working properly? Are my normals messed up?
I'm relatively new to OpenGL and I am trying to draw a 3D model (loaded from a 3ds file using lib3ds) using OpenGL with lighting, but about half of it is drawn in black.
I set up the light as such:
...
3
votes
1answer
392 views
Unusual Lighting Effects - Random Polygons Coloured
I am working on creating an object loader for use with iOS, I have managed to load the vertices, normals and face data from and OBJ file, and then place this data into arrays for reconstructing the ...