Engine directory for ticket #1

Engine/source/math/mPoint.cpp

@@ -0,0 +1,80 @@
+//-----------------------------------------------------------------------------
+// Copyright (c) 2012 GarageGames, LLC
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//-----------------------------------------------------------------------------
+
+#include "platform/platform.h"
+#include "math/mPoint2.h"
+#include "math/mPoint3.h"
+#include "math/mPoint4.h"
+
+
+const Point2I Point2I::One(1, 1);
+const Point2I Point2I::Zero(0, 0);
+const Point2I Point2I::Min(S32_MIN, S32_MIN);
+const Point2I Point2I::Max(S32_MAX, S32_MAX);
+
+const Point2F Point2F::One(1.0f, 1.0f);
+const Point2F Point2F::Zero(0.0f, 0.0f);
+const Point2F Point2F::Min(F32_MIN, F32_MIN);
+const Point2F Point2F::Max(F32_MAX, F32_MAX);
+
+const Point2D Point2D::One(1.0, 1.0);
+const Point2D Point2D::Zero(0.0, 0.0);
+
+const Point3I Point3I::One(1, 1, 1);
+const Point3I Point3I::Zero(0, 0, 0);
+
+const Point3F Point3F::One(1.0f, 1.0f, 1.0f);
+const Point3F Point3F::Zero(0.0f, 0.0f, 0.0f);
+const Point3F Point3F::Min(F32_MIN, F32_MIN, F32_MIN);
+const Point3F Point3F::Max(F32_MAX, F32_MAX, F32_MAX);
+const Point3F Point3F::UnitX(1.0f, 0.0f, 0.0f);
+const Point3F Point3F::UnitY(0.0f, 1.0f, 0.0f);
+const Point3F Point3F::UnitZ(0.0f, 0.0f, 1.0f);
+
+const Point3D Point3D::One(1.0, 1.0, 1.0);
+const Point3D Point3D::Zero(0.0, 0.0, 0.0);
+
+const Point4I Point4I::One(1, 1, 1, 1);
+const Point4I Point4I::Zero(0, 0, 0, 0);
+
+const Point4F Point4F::One(1.0f, 1.0f, 1.0f, 1.0f);
+const Point4F Point4F::Zero(0.0f, 0.0f, 0.0f, 0.0f);
+
+
+Point3F mPerp( const Point3F &inVec )
+{   
+   AssertFatal( inVec.len() > 0.0f, "mPerp() - zero length vector has no perp!" );
+   AssertFatal( inVec.isUnitLength(), "mPerp() - passed vector must be normalized!" );
+
+   U32 idx = inVec.getLeastComponentIndex();
+
+   Point3F vec( 0.0f, 0.0f, 0.0f );
+   vec[idx] = 1.0f;
+
+   Point3F outVec = mCross( inVec, vec );
+   outVec.normalize();
+
+   //AssertFatal( mIsZero( mDot( inVec, outVec ) ), "mPerp, failed to generate perpendicular" );
+
+   return outVec;   
+}
+