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No. Title Preview Description
11. Depth Depth How can occluded objects be dealt with using the z-buffer to allow the correct parts of objects to be rendered?

Keywords :
GL_DEPTH_TEST, glDepthFunc, glClearDepth, GL_DEPTH_BUFFER_BIT, GL_LEQUAL, GL_EQUAL GL_ALWAYS
12. Perspective Perspective How can perspective be added to your OpenGL scenes to cause objects in the distance to appear smaller?

Keywords :
gluLookAt, gluPerspective
13. Solid Shapes Solid Shapes How can 3D objects be rendered to the screen?

Keywords :
None
14. Backface Culling Backface Culling How can you increase your rendering speed by not displaying hidden surfaces?

Keywords :
GL_CULL_FACE, glFrontFace, glCullFace
15. Polygon Offset Polygon Offset Polygons placed on the same plane may produce some visual artefacts due to Z-fighting. How can this be avoided using polygon offsets.

Keywords :
GL_POLYGON_OFFSET_FILL, GL_POLYGON_OFFSET_LINE, GL_POLYGON_OFFSET_POINT, glPolygonOffset
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