The best way to understand how Vertex and Fragment Shaders work is by creating one yourself. This recipe will show you how to write one of these shaders, which will simply apply a texture to a model and multiply it by a given color, as shown in the following image:
The shader presented here is very simple, and it will be used as a starting base for all the other Vertex and Fragment Shaders.
For this recipe, we will need a new shader. Follow these steps:
In all the previous chapters, we have always been able to refit ...