src/snake_game/constants.py

@@ -117,8 +117,14 @@ SCOREBOARD_FONT: Final[tuple[str, int, str]] = ("Arial", 24, "normal")
 ## @brief The head touches the tail when it is closer to a segment than this, in pixels.
 TAIL_COLLISION_DISTANCE: Final[int] = 10
 
-## @brief Text shown when the game is over.
+## @brief Text in front of the high score on the scoreboard.
-GAME_OVER_TEXT: Final[str] = "GAME OVER"
+#
+#  The scoreboard writes `Score: <score> High Score: <high_score>`: the score
+#  label, the score, a space, this label and the high score.
+HIGH_SCORE_LABEL: Final[str] = "High Score: "
 
-## @brief Where the game-over text is written: the centre of the screen.
+## @brief Where a segment of the old snake is sent when the snake is reset.
-GAME_OVER_POSITION: Final[tuple[int, int]] = (0, 0)
+#
+#  The place is far outside the 600 by 600 screen, so the old segments are out
+#  of sight, as the day-24 lecture does it.
+SEGMENT_PARKING_POSITION: Final[tuple[int, int]] = (1000, 1000)

tests/test_constants.py

@@ -154,10 +154,18 @@ def test_tail_is_touched_closer_than_10_pixels_which_is_less_than_a_move() -> No
     assert 0 < constants.TAIL_COLLISION_DISTANCE < constants.MOVE_DISTANCE
 
 
-def test_game_over_text_is_written_at_the_centre_inside_the_wall() -> None:
+def test_game_over_constants_no_longer_exist() -> None:
-    x, y = constants.GAME_OVER_POSITION
+    assert not hasattr(constants, "GAME_OVER_TEXT")
+    assert not hasattr(constants, "GAME_OVER_POSITION")
 
-    assert constants.GAME_OVER_TEXT == "GAME OVER"
+
-    assert (x, y) == (0, 0)
+def test_high_score_label_follows_the_score_label_as_in_the_lecture() -> None:
-    assert abs(x) < constants.WALL_LIMIT
+    assert constants.HIGH_SCORE_LABEL == "High Score: "
-    assert abs(y) < constants.WALL_LIMIT
+    assert constants.HIGH_SCORE_LABEL != constants.SCORE_LABEL
+
+
+def test_old_segments_are_parked_outside_the_screen() -> None:
+    x, y = constants.SEGMENT_PARKING_POSITION
+
+    assert abs(x) > HALF_WIDTH
+    assert abs(y) > HALF_HEIGHT