New OpenGL Tutorials Coming (Correction; They're Here!)
A quick heads up that I'll be releasing a new OpenGL (ES) tutorial series soon. It'll take you from zero through to rendering a simple 3D scene with lighting.
A quick heads up that I'll be releasing a new OpenGL (ES) tutorial series soon. It'll take you from zero through to rendering a simple 3D scene with lighting.
Yes, I've discovered another bug in one of the Warp3D Nova tutorials. The tutorial itself has been corrected already, but let's take a closer look at this bug.
The author of AmiCraftNova recently released a new demo called StarBoxDemo. While everyone has been posting new fps benchmarks with it, how it uses shaders should be of greater interest...
Recently, the AmiCraftNova author was having issues with GLSL shaders, which got me thinking about how to debug them. Shaders need debugging, but standard debugging tools can't be used.
Alain Thellier recently ported his Cow3D demo/test-program to Warp3D Nova, which allows Warp3D Nova and Warp3D to be compared.
The previous tutorial's source-code included animation, but I said that would be a topic for another day. Well, today is that day.
Today I'm going to show you another way to draw coloured triangles with OpenGL (ES). It'll look less interesting than the previous tutorial's method.
Time to put the theory learnt last time into practise. This means turning the phong model into shader code, and feeding the GPU the extra data required (surface normals, light/material...
Simulating lighting is critical to realistic 3D rendering. After all, light is what allows us to see the real world.
Last time I showed you how to set up a windowed OpenGL ES 2 (GLES2) context on AmigaOS. Now lets draw something.
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