First primitive cardioid drawing

1 files changed, 27 insertions, 0 deletions

diff --git a/inc/cardioid.h b/inc/cardioid.h
new file mode 100644
index 0000000..23ba64a
--- /dev/null
+++ b/inc/cardioid.h
@@ -0,0 +1,27 @@
+#ifndef CARDIOID_H
+# define CARDIOID_H
+
+# include <stddef.h>
+# include <SDL2/SDL.h>
+
+typedef struct
+{
+	size_t		points_num;
+	SDL_Point	*points;
+	SDL_Point	center;
+	size_t		radius;
+	// double		multiplication;
+}				t_cardioid;
+
+# define MIN(x, y) ((x) < (y) ? (x) : (y))
+
+# define CARDIOID_ADD_POINTS(cardioid, n) cardioid_update_points((cardioid), (cardioid)->points_num + (n))
+# define CARDIOID_SUB_POINTS(cardioid, n) \
+	cardioid_update_points((cardioid), (cardioid)->points_num < (n) ? 0 : (cardioid)->points_num - (n))
+
+int				cardioid_init(t_cardioid *cardioid, size_t points_num, int width, int height);
+int				cardioid_update_window(t_cardioid *cardioid, int width, int height);
+int				cardioid_update_points(t_cardioid *cardioid, size_t points_num);
+void			cardioid_quit(t_cardioid *cardioid);
+
+#endif