Comment in FUN_0201CBEC.c

1 files changed, 6 insertions, 5 deletions

diff --git a/arm9/src/unk_0201CBEC.c b/arm9/src/unk_0201CBEC.c
index 7ec46f83..40e68efe 100644
--- a/arm9/src/unk_0201CBEC.c
+++ b/arm9/src/unk_0201CBEC.c
@@ -2,10 +2,11 @@
 #include "fx.h"
 #include "unk_0201CBEC.h"
 
-THUMB_FUNC int FUN_0201CBEC(int a0, int a1, int a2, int a3) {
+THUMB_FUNC int FUN_0201CBEC(int x1, int y1, int x2, int y2) 
+{
+    // Calculate distance between two points with pythagoras
+    int x_delta = x1 - x2;
+    int y_delta = y1 - y2;
 
-    int r0 = a0 - a2;
-    int r2 = a1 - a3;
-
-    return FX_Sqrt((r0 * r0 + r2 * r2) << 0xc) >> 0xc;
+    return FX_Sqrt((x_delta * x_delta + y_delta * y_delta) << 0xc) >> 0xc;
 }