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engines/bagel/spacebar/boflib/vector.h

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+
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef BAGEL_BOFLIB_VECTOR_H
+#define BAGEL_BOFLIB_VECTOR_H
+
+#include "bagel/boflib/stdinc.h"
+#include "bagel/boflib/object.h"
+
+namespace Bagel {
+namespace SpaceBar {
+
+#define PI (double)3.141592653
+#define RADCNVT ((double)180 / PI) // PI is 180 degrees
+
+#define Deg2Rad(d) ((d) / RADCNVT) // Converts degrees to radians
+#define Rad2Deg(r) ((r) * RADCNVT) // Converts radians to degrees
+
+class CVector : public CBofObject, public Vector {
+public:
+	/**
+	 * Default constructor
+	 */
+	CVector();
+
+	/**
+	 * Copy constructor
+	 */
+	CVector(const Vector &stVector);
+
+	/**
+	 * Constructor based on passed figures
+	 */
+	CVector(double xx, double yy, double zz = 0);
+
+	/**
+	 * Calculates the dot-product of the 2 specified vectors
+	 * @param vector        Second vector
+	 * @return              Dot-product
+	 */
+	double dotProduct(const Vector &vector);
+
+	/**
+	 * Rotates this vector the specified number of degrees
+	 * @param fAngle        Rotation angle
+	 */
+	void rotate(double fAngle);
+
+	/**
+	 * Gets the angle between this vector and specified vector
+	 * @param vector    Second vector
+	 * @return          Angle
+	 */
+	double angleBetween(const Vector &vector);
+
+	/**
+	 * Calculates the positive or negative angle between 2 vectors
+	 * @param vector        Second vector
+	 * @return              Angle
+	 */
+	double realAngle(const Vector &vector);
+
+	/**
+	 * Gets the length of this vector
+	 * @return      Vector length
+	 */
+	double length();
+
+	// Generic operations
+	CVector operator+(Vector);
+	CVector operator+(double);
+	CVector operator-(Vector);
+	CVector operator-(double);
+	CVector operator*(double);
+	CVector operator/(double);
+	void operator+=(Vector);
+	void operator-=(Vector);
+	void operator*=(double);
+	void operator/=(double);
+	bool operator==(Vector);
+};
+
+} // namespace SpaceBar
+} // namespace Bagel
+
+#endif