diff options
Diffstat (limited to 'src/ball.c')
-rw-r--r-- | src/ball.c | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -1,10 +1,11 @@ #include <stdlib.h> +#include <math.h> #include <curses.h> #include "ball.h" struct ball * -new_ball(float x, float y) +new_ball(float x, float y, float speed, float dir) { struct ball *b; @@ -15,6 +16,8 @@ new_ball(float x, float y) b->x = x; b->y = y; + b->speed = speed; + b->dir = dir; return b; } @@ -34,7 +37,8 @@ clear_ball(struct ball *b) void update_ball(struct ball *b) { - ++b; + b->x += cosf(b->dir) * b->speed; + b->y += sinf(b->dir) * b->speed; } void |