Inside Macintosh: 3D Graphics Programming With QuickDraw 3D /

Chapter 20 - QuickDraw 3D Mathematical Utilities / QuickDraw 3D Mathematical Utilities Reference

QuickDraw 3D Mathematical Utilities

Adding and Subtracting Points and Vectors

QuickDraw 3D provides routines that you can use to add a vector to a point or subtract a vector from a point. For increased floating-point precision, it is better to use the vector-point subtraction routines than to reverse a vector and then add it to a point.

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Subtopics

Q3Point2D_Vector2D_Add

Q3Param2D_Vector2D_Add

Q3Point3D_Vector3D_Add

Q3Point2D_Vector2D_Subtract

Q3Param2D_Vector2D_Subtract

Q3Point3D_Vector3D_Subtract