An Interactive Introduction to OpenGL Programming
An Interactive Introduction to OpenGL Programming
An Interactive Introduction to OpenGL Programming
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Compositing Modeling<br />
Transformations<br />
• Problem: hierarchical objects<br />
– one position depends upon a previous<br />
position<br />
– robot arm or hand; sub-assemblies<br />
• Solution: moving local coordinate system<br />
– modeling transformations move coordinate<br />
system<br />
– post-multiply column-major matrices<br />
– <strong>OpenGL</strong> post-multiplies matrices
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