GEEKING

CSG/sgCore/sgMatrix.h

@@ -0,0 +1,34 @@
+#ifndef  __sgMatrix__
+#define  __sgMatrix__
+
+class sgCore_API sgCMatrix
+{
+private:
+	sgFloat     m_matrix[16];
+	sgFloat*    m_temp_buffer;
+public:
+	sgCMatrix();
+	sgCMatrix(const sgFloat*);
+	sgCMatrix(sgCMatrix&);
+	~sgCMatrix();
+	sgCMatrix& operator = (const sgCMatrix& );
+
+	bool  SetMatrix(const sgCMatrix*);
+
+	const sgFloat*   GetData();
+	const sgFloat*   GetTransparentData();
+
+	void  Identity();
+
+	void  Transparent();
+	bool  Inverse();
+	void  Multiply(const sgCMatrix& MatrB);
+	void  Translate(const SG_VECTOR& transVector);
+	void  Rotate(const SG_POINT& axePoint, const SG_VECTOR& axeDir, sgFloat alpha_radians);
+	void  VectorToZAxe(const SG_VECTOR& vect);
+
+	void  ApplyMatrixToVector(SG_POINT& vectBegin, SG_VECTOR& vectDir) const;
+	void  ApplyMatrixToPoint(SG_POINT& pnt) const;
+};
+
+#endif