1 files changed, 20 insertions, 0 deletions
diff --git a/physics.c b/physics.c
new file mode 100644
index 0000000..f8d785b
--- /dev/null
+++ b/physics.c
@@ -0,0 +1,20 @@
+#include "dat.h"
+
+int
+checkcollision(Body *a, Body *b)
+{
+	float p[2], s[2], minx, miny, maxx, maxy;
+	
+	for(int i = 0; i < 2; i++) {
+		s[i] = a->size[i] + b->size[i];
+		p[i] = a->pos[i] - b->pos[i];
+	}
+
+	minx = p[0] - s[0];
+	maxx = p[0] + s[0];
+	miny = p[1] - s[1];
+	maxy = p[1] + s[1];
+
+	return minx < 0 && maxx > 0 && miny < 0 && maxy > 0;
+}
+