#include <math.h>
double degtorad( double deg )
{
return( deg * 3.14/180 );
}
double point_direction( double x1, double y1, double x2, double y2 )
{
return( atan2( y2-y1, x2-x1 ) / 3.14 * 180 );
}
double lengthdir_x( double len, double dir )
{
return cos(degtorad(dir))*len;
}
double lengthdir_y( double len, double dir )
{
return sin(degtorad(dir))*len;
}
Masz jeszcze lengthdiry