Initial

2024-08-07 09:16:27 -04:00
parent fdfadd5c7e
commit 5f971cf684
5200 changed files with 731717 additions and 0 deletions
--- a/engine/VECTOR.HPP
+++ b/engine/VECTOR.HPP
@@ -0,0 +1,182 @@
+#ifndef _ENGINE_VECTOR_HPP_
+#define _ENGINE_VECTOR_HPP_
+#ifndef _ENGINE_POINT3D_HPP_
+#include <engine/point3d.hpp>
+#endif
+
+class Vector
+{
+public:
+  Vector(void);
+	Vector(const Vector &vector);
+	Vector(int xScalar,int yScalar,int zScalar);
+	Vector(const Point3D &firstPoint,const Point3D &secondPoint);
+	virtual ~Vector();
+	Vector &operator=(const Vector &vector);
+	BOOL operator==(const Vector &vector);
+	Vector operator+(const Vector &vector);
+  Vector operator*(const Vector &vector);
+	int xScalar(void)const;
+	void xScalar(int xScalar);
+	int yScalar(void)const;
+	void yScalar(int yScalar);
+	int zScalar(void)const;
+	void zScalar(int zScalar);
+	void vector(const Point3D &firstPoint,const Point3D &secondPoint);
+	int length(void)const;
+	int magnitude(void)const;
+	void normal(Vector &vector)const;
+	void normal(void);
+	int dot(const Vector &vector)const;
+private:
+  int mxScalar;
+	int myScalar;
+	int mzScalar;
+};
+
+inline
+Vector::Vector(void)
+: mxScalar(0), myScalar(0), mzScalar(0)
+{
+}
+
+inline
+Vector::Vector(int xScalar,int yScalar,int zScalar)
+: mxScalar(xScalar), myScalar(yScalar), mzScalar(zScalar)
+{
+}
+
+inline
+Vector::Vector(const Point3D &firstPoint,const Point3D &secondPoint)
+{
+  vector(firstPoint,secondPoint);
+}
+
+inline
+Vector::Vector(const Vector &vector)
+{
+  *this=vector;
+}
+
+inline
+Vector::~Vector()
+{
+}
+
+inline
+Vector &Vector::operator=(const Vector &vector)
+{
+  xScalar(vector.xScalar());
+	yScalar(vector.yScalar());
+	zScalar(vector.zScalar());
+	return *this;
+}
+
+inline
+BOOL Vector::operator==(const Vector &vector)
+{
+  return (xScalar()==vector.xScalar()&&
+	        yScalar()==vector.yScalar()&&
+					zScalar()==vector.zScalar());
+}
+
+inline
+Vector Vector::operator+(const Vector &vector)
+{
+  return Vector(xScalar()+vector.xScalar(),yScalar()+vector.yScalar(),zScalar()+vector.zScalar());
+}
+
+inline
+Vector Vector::operator*(const Vector &vector)
+{
+  return Vector((yScalar()*vector.zScalar()-zScalar()*vector.yScalar()),zScalar()*vector.xScalar()-xScalar()*vector.zScalar(),xScalar()*vector.yScalar()-yScalar()*vector.xScalar());
+}
+
+inline
+int Vector::xScalar(void)const
+{
+  return mxScalar;
+}
+
+inline
+void Vector::xScalar(int xScalar)
+{
+  mxScalar=xScalar;
+}
+
+inline
+int Vector::yScalar(void)const
+{
+  return myScalar;
+}
+
+inline
+void Vector::yScalar(int yScalar)
+{
+  myScalar=yScalar;
+}
+
+inline
+int Vector::zScalar(void)const
+{
+  return mzScalar;
+}
+
+inline
+void Vector::zScalar(int zScalar)
+{
+  mzScalar=zScalar;
+}
+
+inline
+void Vector::vector(const Point3D &firstPoint,const Point3D &secondPoint)
+{
+  xScalar(secondPoint.x()-firstPoint.x());
+	yScalar(secondPoint.y()-firstPoint.y());
+	zScalar(secondPoint.z()-firstPoint.z());
+}
+
+inline
+int Vector::length(void)const
+{
+  int vLength(.5*(xScalar()*xScalar())+(yScalar()*yScalar())+(zScalar()*zScalar()));
+	if(vLength<0)vLength=-vLength;
+	return vLength;
+}
+
+inline
+int Vector::magnitude(void)const
+{
+  return length();
+}
+																		 
+inline
+void Vector::normal(Vector &vector)const
+{
+  int vLength(length());
+	if(!vLength)
+	{
+	  vector.xScalar(0);
+		vector.yScalar(0);
+		vector.zScalar(0);
+	}
+	else
+	{
+	  vector.xScalar(xScalar()/vLength);
+		vector.yScalar(yScalar()/vLength);
+		vector.zScalar(zScalar()/vLength);
+	}
+}
+
+inline
+void Vector::normal(void)
+{
+  normal(*this);
+}
+
+inline
+int Vector::dot(const Vector &vector)const
+{
+  return (xScalar()*vector.xScalar())+(yScalar()*vector.yScalar())+(zScalar()*vector.zScalar());
+}
+#endif