get max row/col from ncurses

12 years ago · 9669b96e47
parent aea9a53762
commit 9669b96e47
1 changed files with 5 additions and 2 deletions
--- a/ncurses-pong.c
+++ b/ncurses-pong.c
@ -9,8 +9,11 @@
 #define MAX_C 80

 void xy2rc(float x, float y, int *r, int *c) {
-  *c = (x / MAX_X) * MAX_C;
-  *r = MAX_R - ((y / MAX_Y) * MAX_R);
+  int mrow, mcol;
+  getmaxyx(stdscr, mrow, mcol);
+
+  *c = (x / MAX_X) * mcol;
+  *r = mrow - ((y / MAX_Y) * mrow);
 }

 float lerp(float from, float to, float t) {