[quote name='Shinkage' timestamp='936900660' post='1008245']
The idea behind indexed primitives is that the polygon data is actually separate from the vertex data (as opposed to a list of vertices defining a strip of polygons or something similar). It's really quite simple to implement. First, you have to store an array of all the vertices that are used in your model. Now the index part comes in when you are defining the polygons that use that list of vertices. To do so, you store a separate array of integers that are indices into your array of vertices. The obvious advantage to this is that you only have to pass each vertex through the renderer once, even though it may be referenced by multiple polygons.
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[color=#333333][font=arial, sans-serif][size=2]Rightly said, I agree with you, thank you share, I wish you good luck![/size][/font][/color]