19 lines
439 B
C
19 lines
439 B
C
#ifndef GRAVITY_H_INCLUDED
|
|
#define GRAVITY_H_INCLUDED
|
|
|
|
#include "balls.h"
|
|
|
|
extern void gravity_constant_field(double x, double y);
|
|
extern void gravity_newton_field(double r, double g);
|
|
|
|
extern vec2d gravity_vector(const ball* b);
|
|
|
|
extern void gravity_draw_visible_field(cairo_t* cr);
|
|
|
|
extern void gravity_draw(cairo_t* cr);
|
|
extern void gravity_change(double dx, double dy);
|
|
|
|
extern void gravity_collisions(ball* begin, ball* end);
|
|
|
|
#endif
|