Now that we know how to access data on a per-vertex basis, let's expand our knowledge set to include other types of data and the position of a vertex.
Using a vertex function, we can access the position of each vertex in a mesh. This allows us to actually modify each individual vertex while the shader does the processing.
In this recipe, we will create a shader that will allow us to modify the positions of each vertex on a mesh with a sine wave. This technique can be used to create animations for objects such as flags or waves on an ocean.
