1 files changed, 30 insertions, 0 deletions
diff --git a/src/zoom.py b/src/zoom.py
new file mode 100644
index 0000000..2f993a3
--- /dev/null
+++ b/src/zoom.py
@@ -0,0 +1,30 @@
+def zoom_in(zoom):
+    if zoom[0] > 128:
+        zoom = (zoom[0] / 1.5, zoom[1] / 1.5)
+    return zoom
+
+def zoom_out(zoom):
+    if zoom[0] < 1280:
+        zoom = (zoom[0] * 1.5, zoom[1] * 1.5)
+    return zoom
+
+def zoom_reset(zoom, offset):
+    zoom = (1280.0, 720.0)
+    offset = (0, 0)
+    return zoom, offset
+
+def offset_up(offset):
+    offset = (offset[0], offset[1] - 10)
+    return offset
+
+def offset_down(offset):
+    offset = (offset[0], offset[1] + 10)
+    return offset
+
+def offset_left(offset):
+    offset = (offset[0] - 10, offset[1])
+    return offset
+
+def offset_right(offset):
+    offset = (offset[0] + 10, offset[1])
+    return offset
+\ No newline at end of file