From db072ad4dc181eca5a1458656b130beb43f475bf Mon Sep 17 00:00:00 2001
From: 53hornet <53hornet@gmail.com>
Date: Sat, 2 Feb 2019 23:33:15 -0500
Subject: Init.

---
 hw5/src/scale3d.cpp | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 hw5/src/scale3d.cpp

(limited to 'hw5/src/scale3d.cpp')

diff --git a/hw5/src/scale3d.cpp b/hw5/src/scale3d.cpp
new file mode 100644
index 0000000..4ff1302
--- /dev/null
+++ b/hw5/src/scale3d.cpp
@@ -0,0 +1,47 @@
+/******************************************************************/
+/* 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()
+{
+  // HW5: implement a scale with the factors for the X, Y, and Z axis being
+  //      the same for all, namely: uniformScale
+  // Modifies: _transformation, _inverseTransformation, _translation
+  // Returns: nothing.
+  scale3d(uniformScale, uniformScale, uniformScale);
+}
+
+
+scale3d::scale3d(float scaleX, float scaleY, float scaleZ) : transformation3d()
+{
+  // HW5: implement a scale with the factors for the X, Y, and Z axis being:
+  //      scaleX, scaleY, and scaleZ respectively.
+  // Modifies: _transformation, _inverseTransformation, _translation
+  // Returns: nothing.
+  _transformation(0, 0) *= scaleX;
+  _transformation(1, 1) *= scaleY;
+  _transformation(2, 2) *= scaleZ;
+  _inverseTransformation(0, 0) /= scaleX;
+  _inverseTransformation(1, 1) /= scaleY;
+  _inverseTransformation(2, 2) /= scaleZ;
+}
+
+scale3d::scale3d(const scale3d& s) : transformation3d(s)
+{
+  // Do Nothing
+}
-- 
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