Vector.h

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/*
 * Datei: Vector.h
 *
 * Autor: Gradwohl Manuel (Matr. Nr. 0425062/Kennz. 532)
 *        Pickelbauer Michael (Matr. Nr. 0425061/Kennz. 534)
 *
 * Beschreibung: stellt Datenstruktur für einen Vektor zur Verfügung und zusätzliche Hilfsfunktionen
 * 
 */

#pragma once

#define PI 3.141592654

#include "math.h"

class Vector{
        Vector matrixMult(float m[3][3]);
public:
        float x;
        float y;
        float z;
        Vector();
        Vector(float _x, float _y, float _z);
        Vector(Vector *v);
        ~Vector();
        Vector *crossProduct(Vector *v2);
        float dotProduct(Vector *v2);
        Vector *add(Vector *v2);
        Vector *sub(Vector *v2);
        void normalize();
        float GetLength();
        Vector operator -(Vector &v2);
        Vector operator +(Vector &v2);
        Vector *multScalar(float scalar);
        Vector rotateX(float angle);
        Vector rotateY(float angle);
        Vector rotateZ(float angle);
        Vector scale(float sx, float sy, float sz);

        Vector& operator+=( Vector &v2 )
        {
                x += v2.x;
                y += v2.y;
                z += v2.z;

                return *this;
        }

        Vector& operator-=( Vector &v2 )
        {
                x -= v2.x;
                y -= v2.y;
                z -= v2.z;

                return *this;
        }

        Vector& operator*=(float scalar){
                x *= scalar;
                y *= scalar;
                z *= scalar;

                return *this;
        }

        Vector& operator/=(float scalar){
                x /= scalar;
                y /= scalar;
                z /= scalar;

                return *this;
        }

        float magnitude(void);
        void set(float p_x, float p_y, float p_z);
        void set(Vector* v);

        float getAngle() {
                float len = GetLength();
                if( len == 0 )
                        return 0;
                else
                {
                        float ny;
                        ny = y/len;

                        if( x > 0 )
                                return (float) (asin(ny)*360/(2*PI));
                        else
                                return (float) 180 - (asin(ny)*360/(2*PI));
                }
        };

};

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