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