controls and gamelogic draft

1 files changed, 13 insertions, 2 deletions

diff --git a/src/sliceitoff/display/scaling.py b/src/sliceitoff/display/scaling.py
index 6be00da..aad6c18 100644
--- a/src/sliceitoff/display/scaling.py
+++ b/src/sliceitoff/display/scaling.py
@@ -17,12 +17,24 @@ class Scaling():
                 area[3] * __class__.factor)
 
     @staticmethod
-    def scale_coordinates(coords: tuple ) -> tuple:
+    def scale_to_display(coords: tuple ) -> tuple:
+        """ Converts internal coordinates to display coodinates """
         return (
                 coords[0] * __class__.factor + __class__.left,
                 coords[1] * __class__.factor + __class__.top)
 
     @staticmethod
+    def scale_to_internal(coords: tuple ) -> tuple:
+        """ Converts display coordinates to internal coodinates """
+        x = coords[0] - __class__.left
+        x = max(x, 0) / __class__.factor
+        x = min(x, INTERNAL_WIDTH - 1)
+        y = coords[1] - __class__.top
+        y = max(y, 0) / __class__.factor
+        y = min(y, INTERNAL_HEIGHT - 1)
+        return (x, y)
+
+    @staticmethod
     def update_scaling(size: tuple) -> None:
         if size[0] / size[1] <= INTERNAL_WIDTH / INTERNAL_HEIGHT:
             __class__.factor = size[0] / INTERNAL_WIDTH
@@ -32,5 +44,4 @@ class Scaling():
             __class__.factor = size[1] / INTERNAL_HEIGHT
             __class__.left = (size[0] - INTERNAL_WIDTH * __class__.factor) // 2
             __class__.top = 0
-
     
\ No newline at end of file