Chapter 10. Curves and Surfaces

by Richard S. Wright, Jr.

WHAT YOU'LL LEARN IN THIS CHAPTER:

How To

Functions You'll Use

Draw spheres, cylinders, and disks

gluSphere/gluCylinder/gluDisk

Use maps to render Bézier curves and surfaces

glMap/glEvalCoord

Use evaluators to simplify surface mapping

glMapGrid/glEvalMesh

Create NURBS surfaces

gluNewNurbsRenderer/gluBeginSurface/ gluNurbsSurface/ gluEndSurface/ gluDeleteNurbsRendererf10

Create trimming curves

gluBeginTrim/gluPwlCurve/gluEndTrim

Tessellate concave and convex polygons

gluTessBeginPolygon/gluTessEndPolygon

The practice of 3D graphics is little more than a computerized version of connect-the-dots. Vertices are laid out in 3D space and connected by flat primitives. Smooth curves and surfaces are approximated ...

Get OpenGL® SuperBible, Third Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.

Start your free trial