

20 QuickDraw3D Mathematical Utilities
20 Adding and Subtracting Points and Vectors
QuickDraw3D 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.
- 20 - Q3Point2D_Vector2D_Add
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- 20 - Q3Param2D_Vector2D_Add
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- 20 - Q3Point3D_Vector3D_Add
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- 20 - Q3Point2D_Vector2D_Subtract
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- 20 - Q3Param2D_Vector2D_Subtract
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- 20 - Q3Point3D_Vector3D_Subtract
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3D Graphics Programming with QuickDraw 3D - 17 OCT 1995© Apple Computer, Inc.


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