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Diffstat (limited to 'hw6/src/scale3d.cpp')
-rw-r--r-- | hw6/src/scale3d.cpp | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/hw6/src/scale3d.cpp b/hw6/src/scale3d.cpp new file mode 100644 index 0000000..7124f12 --- /dev/null +++ b/hw6/src/scale3d.cpp @@ -0,0 +1,41 @@ +/******************************************************************/ +/* This file is part of the homework assignments for CSCI-427/527 */ +/* at The College of William & Mary and authored by Pieter Peers. */ +/* No part of this file, whether altered or in original form, can */ +/* be distributed or used outside the context of CSCI-427/527 */ +/* without consent of either the College of William & Mary or */ +/* Pieter Peers. */ +/******************************************************************/ +#include "scale3d.h" + +////////////////// +// Constructors // +////////////////// +scale3d::scale3d(void) : transformation3d() +{ + // Do Nothing +} + + +scale3d::scale3d(float uniformScale) : transformation3d() +{ + _transformation.setDiagonal(uniformScale); + _inverseTransformation.setDiagonal(1.0f / uniformScale); +} + + +scale3d::scale3d(float scaleX, float scaleY, float scaleZ) : transformation3d() +{ + _transformation(0,0) = scaleX; + _transformation(1,1) = scaleY; + _transformation(2,2) = scaleZ; + + _inverseTransformation(0,0) = 1.0f / scaleX; + _inverseTransformation(1,1) = 1.0f / scaleY; + _inverseTransformation(2,2) = 1.0f / scaleZ; +} + +scale3d::scale3d(const scale3d& s) : transformation3d(s) +{ + // Do Nothing +} |