optimize point_in_circle

AustinEast · May 8, 2021 · e458a93 · e458a93
1 parent 96cf9bd
commit e458a93
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/echo/util/SAT.hx b/echo/util/SAT.hx
@@ -20,7 +20,7 @@ class SAT {
   }
 
   public static inline function point_in_circle(p:Vector2, c:Circle):Bool {
-    return p.distanceTo(c.get_position()) < c.radius;
+    return (p - c.get_position()).lengthSq < c.radius * c.radius;
   }
 
   public static inline function point_in_polygon(point:Vector2, polygon:Polygon):Bool {