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-rw-r--r--src/graphics_c2.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/graphics_c2.h b/src/graphics_c2.h
index 35920fd..8a481d9 100644
--- a/src/graphics_c2.h
+++ b/src/graphics_c2.h
@@ -3,6 +3,11 @@
#include "math.h"
+#define TOP 240.0
+#define BOTTOM -240.0
+#define RIGHT 320.0
+#define LEFT -320.0
+
int c2sX(real x);
int s2cX(real x);
int c2sY(real y);