Math and algorithms: Difference between revisions
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; [[Compute eye space from window space]]: Algorithm and shader code for taking window space positions and computing eye space positions from them. | |||
Required from the application by OpenGL for lighting calculations. | ; [[Calculating a Surface Normal]] : Required from the application by OpenGL for lighting calculations. | ||
; [[ID-Buffer]] : A way to get the selection of the objects. | |||
; [[Trackball]] : Object rotation via a virtual trackball. | |||
Latest revision as of 23:48, 24 February 2012
- Compute eye space from window space
- Algorithm and shader code for taking window space positions and computing eye space positions from them.
- Calculating a Surface Normal
- Required from the application by OpenGL for lighting calculations.
- ID-Buffer
- A way to get the selection of the objects.
- Trackball
- Object rotation via a virtual trackball.