Commit from game template + added basic power line and difficulty selector

game/power_line.py

@@ -0,0 +1,33 @@
+import arcade, arcade.gui
+
+from utils.preload import button_texture, button_hovered_texture
+from utils.constants import button_style
+
+from typing import Literal
+
+ROTATIONS = ["right", "down", "left", "up"]
+
+class PowerLine(arcade.gui.UITextureButton):
+    def __init__(self):
+        super().__init__(text="--->", style=button_style, texture=button_texture, texture_hovered=button_hovered_texture)
+
+        self.rotation: Literal["right", "down", "left", "up"] = "right"
+
+        self.on_click = lambda e: self.next_rotation()
+
+    def next_rotation(self):
+        current_index = ROTATIONS.index(self.rotation)
+
+        if current_index + 1 == len(ROTATIONS):
+            self.rotation = ROTATIONS[0]
+        else:
+            self.rotation = ROTATIONS[current_index + 1]
+
+        if self.rotation == "up":
+            self.text = "^"
+        elif self.rotation == "down":
+            self.text = "ˇ"
+        elif self.rotation == "left":
+            self.text = "<---"
+        elif self.rotation == "right":
+            self.text = "--->"