Initial commit

Torque/SDK/engine/math/mPlaneTransformer.cc

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+//-----------------------------------------------------------------------------
+// Torque Game Engine
+// Copyright (C) GarageGames.com, Inc.
+//-----------------------------------------------------------------------------
+
+#include "math/mPlaneTransformer.h"
+#include "math/mMathFn.h"
+
+void PlaneTransformer::set(const MatrixF& xform, const Point3F& scale)
+{
+   mTransform = xform;
+   mScale     = scale;
+
+   MatrixF scaleMat(true);
+   F32* m = scaleMat;
+   m[MatrixF::idx(0, 0)] = scale.x;
+   m[MatrixF::idx(1, 1)] = scale.y;
+   m[MatrixF::idx(2, 2)] = scale.z;
+
+   mTransposeInverse = xform;
+   mTransposeInverse.mul(scaleMat);
+   mTransposeInverse.transpose();
+   mTransposeInverse.inverse();
+}
+
+void PlaneTransformer::transform(const PlaneF& plane, PlaneF& result)
+{
+   Point3F point = plane;
+   point *= -plane.d;
+   point.convolve(mScale);
+   mTransform.mulP(point);
+
+   Point3F normal = plane;
+   mTransposeInverse.mulV(normal);
+
+   result.set(point, normal);
+//   mTransformPlane(mTransform, mScale, plane, &result);
+}
+
+void PlaneTransformer::setIdentity()
+{
+   static struct MakeIdentity {
+      PlaneTransformer  transformer;
+      MakeIdentity() {
+         MatrixF  defMat(true);
+         Point3F  defScale(1, 1, 1);
+         transformer.set(defMat, defScale);
+      }
+   } sMakeIdentity;
+
+   * this = sMakeIdentity.transformer;
+}