fixed rect and polygon null ref error

Author: AustinEast

echo/util/SAT.hx

@@ -362,6 +362,9 @@ class SAT {
 
     var tr = Polygon.get_from_rect(r);
     var col = polygon_and_polygon(tr, p, flip);
+
+    if (col == null) return null;
+
     if (flip) col.sb = r;
     else col.sa = r;
     tr.put();

haxelib.json

@@ -5,8 +5,8 @@
     "description": "Simple Physics Library written in Haxe",
     "contributors": ["austineast"],
     "url": "https://austineast.dev/echo",
-    "releasenote": "fixed getting polygons with vertices",
-    "version": "1.1.1",
+    "releasenote": "fixed rect and polygon null ref error",
+    "version": "1.1.2",
     "dependencies": {
       "hxmath": ""
     }