Here are some examples from my tweening system. I will show you code and a video of what it does. I will not go into details about the code because it isn't public yet, and it's really rough, but ...
D3DDECLTYPE_FLOAT3 - 3 floats (x, y, z positional data) D3DDECLTYPE_FLOAT2 - 2 floats (texture coordinates) D3DDECLTYPE_D3DCOLOR - a D3DCOLOR (diffuse/specular colors) Method Normally this will always ...