狐狸接入

Content/Lua/Utils/Vector2D.lua

@@ -1,4 +1,6 @@
-local Vector2D = {}
+local Vector2D = {
+    Zero = {X = 0, Y = 0}
+}
 function Vector2D.New(x, y)
     return {X = x or 0, Y = y or 0}
 end
@@ -46,5 +48,10 @@ function Vector2D.ToUnrealEngine3D(vector, z)
     return new_vector
 end
 
+function Vector2D.Equals(a, b, tolerance)
+    local tol = tolerance or 0.001
+    print(tol, a.X-b.X, a.Y-b.Y)
+    return math.abs(a.X - b.X) < tol and math.abs(a.Y - b.Y) < tol
+end
 
 return Vector2D