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#ifndef tfunction_h
#define tfunction_h
#include <stdio.h>
typedef enum {
FIRST = 1,
SECOND = 2
} Order;
class Point
{
float m_x;
float m_y;
public:
enum Error {
SUCCESS = 0,
ERROR = 1
};
Point (float x=0, float y=0)
: m_x(x), m_y(y)
{
}
virtual ~Point ()
{
}
void set (float x, float y)
{
m_x = x, m_y = y;
}
void set (float v[2]=0)
{
m_x = v[0], m_y=v[1];
}
void setpointer (Point* p)
{
*this = *p;
}
void setref (Point& p)
{
*this = p;
}
void setvalue (Point p)
{
*this = p;
}
void setconst (const Point* p)
{
*this = *p;
}
void get (float* x, float* y) const
{
*x = m_x, *y = m_y;
}
void get (float v[2]) const
{
v[0] = m_x, v[1] = m_y;
}
Point* getpointer ()
{
return this;
}
Point& getref ()
{
return *this;
}
Point getvalue ()
{
return *this;
}
const Point* getconst () const
{
return this;
}
Point operator+ (const Point& p) const
{
return Point(m_x+p.m_x,m_y+p.m_y);
}
Point operator- (const Point& p) const
{
return Point(m_x-p.m_x,m_y-p.m_y);
}
Point operator* (const Point& p) const
{
return Point(m_x*p.m_x,m_y*p.m_y);
}
Point operator/ (float n) const
{
return Point(m_x/n,m_y/n);
}
bool operator< (const Point& p) const
{
if (m_x < p.m_x) return true;
else if (m_x > p.m_x) return false;
else return m_y < p.m_y;
}
bool operator<= (const Point& p) const
{
return operator<(p) || operator==(p);
}
bool operator== (const Point& p) const
{
return m_x==p.m_x && m_y==p.m_y;
}
float operator[] (int i) const
{
return (i==0) ? m_x : m_y;
}
float& operator[] (int i)
{
return (i==0) ? m_x : m_y;
}
static Error echo (Error e)
{
return e;
}
};
inline Point add (const Point& p1, const Point& p2)
{
return p1+p2;
}
inline Point sub (const Point& p1, const Point& p2)
{
return p1-p2;
}
inline Point mult (const Point& p1, const Point& p2)
{
return p1*p2;
}
inline Point div (const Point& p1, float n)
{
return p1/n;
}
inline void getpoint (const Point* p, float* x, float* y)
{
p->get(x,y);
}
inline void setpoint (Point* p, float x=0, float y=0)
{
p->set(x,y);
}
inline Point average (int n, Point v[])
{
Point p(0,0);
for (int i=0; i<n; ++i)
p = p+v[i];
return p/n;
}
inline Point averagepointer (int n, Point* v[])
{
Point p(0,0);
for (int i=0; i<n; ++i)
p = p+(*v[i]);
return p/n;
}
inline void copyvector (int n, const Point v[], Point u[])
{
for (int i=0; i<n; ++i)
u[i] = v[i];
}
inline Order invert (Order o)
{
if (o==FIRST)
return SECOND;
else
return FIRST;
}
class ColorPoint : public Point //tolua_export
{ //tolua_export
float r, g, b;
public:
//tolua_begin
ColorPoint (float px, float py, float cr=0.0f, float cg=0.0f, float cb=0.0f)
: Point(px,py), r(cr), g(cg), b(cb)
{
}
virtual ~ColorPoint () { }
virtual void getcolor (float* red, float *green, float *blue) const
{
*red = r;
*green = g;
*blue = b;
}
static ColorPoint* MakeRed (float x, float y)
{
return new ColorPoint(x,y,1,0,0);
}
};
//tolua_end
#endif
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