[NEW] DOOM1 E1M1 rendered with normal maps and specular highlights v2
23Rendering DOOM I E1M1 with normal map and specular highlights.
It demoes how the famous level would look like with modern graphics effects.
The textures are quite of a low quality so the details are not that prominent.
The level is loaded from an OBJ file and texture mapped by a megatexture (a single big texture mapped over the whole level geometry).
For extra fun I've added a strength factor to the normal map that enables adjusting the effect strength in realtime.
The specular highlights follow the roughness generated by the normal map.
Everything is in tangent space and multiplied by the TBN matrix in the vertex shader and passed to the fragment shader.
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