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How do I find the coordinates of a vertex transformed only by the ModelView matrix?

April 26, 2017coordinates matrix ModelView transformed Vertex

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How do I find the coordinates of a vertex transformed only by the ModelView matrix?

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It’s often useful to obtain the eye coordinate space value of a vertex (i.e., the object space vertex transformed by the ModelView matrix). You can obtain this by retrieving the current ModelView matrix and performing simple vector / matrix multiplication.