Description: We have our classes ready, time to start writing the actual code. Point pri mitives are not much different from the other pr imitive types available (triangle strips, lists, etc.). . We can still choose what we vertex shader use. A vertex shader tells DirectX about what ty pe of vertices it can expect- such as whether the y are already transformed. if they have a diffuse color, and so on. Since I m mainly aiming this tutorial a t 2D gaming, I m going to use slightly customized TL vertices . This stands for Transformed and Lit. which means the vertices are already transform ed and that the lighting color has already been c omputed. So an X of 300 will be 300 on the screen. and the vertex color will be the final color.
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