+FPS = 30
+
+# Night length in ticks
+NIGHT_LENGTH = 1500
+# Night length in hours
+NIGHT_LENGTH_HOURS = 12
+
+# Pymunk categories
+OBSTACLE_CATEGORY = 1 << 0
+LIGHT_CATEGORY = 1 << 1
+MOULD_CATEGORY = 1 << 2
+FITTINGS_CATEGORY = 1 << 3
+TURNIP_CATEGORY = 1 << 4
+
+# Font definitions
+FONTS = {
+ 'sans': 'DejaVuSans.ttf',
+ 'bold': 'DejaVuSans-Bold.ttf',
+}
+
+# Sound stuff
+FREQ = 44100
+BITSIZE = -16
+CHANNELS = 2
+BUFFER = 1024
+DEFAULT_VOLUME = 1.0
+
+NO_SOUND = os.environ.get("TABAK_NO_SOUND", "").lower() in ("1", "y", "yes")
+
+# Color constants
+COLOURS = {
+ "red": (255, 0, 0),
+ "green": (0, 255, 0),
+ "blue": (0, 0, 255),
+ "cyan": (0, 255, 255),
+ "yellow": (255, 255, 0),
+ "magenta": (255, 0, 255),
+ "white": (255, 255, 255),
+}