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I am working on a board game for android using opengl es 1.0. The game board is a polygon an there are two transformations: scale (zoom) and translate. Now I need the vertex coordinates after the transformation. I managed to get the model view matrix and the projection matrix and now I’m stuck, how do I use this data to get the new coordinates from my old vertex coordinates.
new vertex coordinate = projection matrix * modelview matrix * old vertex coordinate