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struct Point{
int X,Y;
Point(int X, int Y) :X(X),Y(Y) {}
Point() :X(0),Y(0) {}
void Draw(ALLEGRO_COLOR clr){ al_put_pixel(X,Y,clr); }
};
struct HEXAGON{
int centerX, centerY, Radius;
HEXAGON(int centerX, int centerY, int Radius) :centerX(centerX), centerY(centerY), Radius(Radius) {}
HEXAGON() :centerX(15), centerY(15), Radius(16) {}
void Draw(ALLEGRO_COLOR clr)
{
float uX = centerX - Radius;
float uY = centerY - Radius;
Point pt1(uX,uY), pt2(uX,uY), pt3(uX,uY), pt4(uX,uY), pt5(uX,uY), pt6(uX,uY);
float const PI = 3.14159265;
float A, B, C;
A = Radius/2;
C = A / sin(30*PI/180);
B = C * cos(30*PI/180);
pt1.X += 0; pt1.Y += B;
pt2.X += A; pt2.Y += 0;
pt3.X += A+C; pt3.Y += 0;
pt4.X += 2*C; pt4.Y += B;
pt5.X += A+C; pt5.Y += 2*B;
pt6.X += A; pt6.Y += 2*B;
al_draw_line(pt1.X,pt1.Y,pt2.X,pt2.Y,clr, 1.0F);
al_draw_line(pt2.X,pt2.Y,pt3.X,pt3.Y,clr, 1.0F);
al_draw_line(pt3.X,pt3.Y,pt4.X,pt4.Y,clr, 1.0F);
al_draw_line(pt4.X,pt4.Y,pt5.X,pt5.Y,clr, 1.0F);
al_draw_line(pt5.X,pt5.Y,pt6.X,pt6.Y,clr, 1.0F);
al_draw_line(pt6.X,pt6.Y,pt1.X,pt1.Y,clr, 1.0F);
}
};
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