Default accuracy to 0, game over print out improvement, NaN handling …

…in Spaceship

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## [1.2.1] - 8 April 2021
+
+- Default accuracy value changed to 0% not 100%
+- Improved print statements for end of scenario to say what scenario was evaluated
+- Resolved crash which would occur when turn_rate/thrust given to SpaceShip are NaN
+
 ## [1.2.0] - 5 April 2021
 
 - Added `turn rate` + `thrust` control meters to the graphics and moved lives to center/bottom

src/fuzzy_asteroids/__init__.py

@@ -1 +1 @@
-__version__ = "1.2.0"
+__version__ = "1.2.1"

src/fuzzy_asteroids/fuzzy_controller.py

@@ -1,3 +1,4 @@
+import math
 from typing import Tuple, Dict, Any
 
 from .sprites import ShipSprite
@@ -58,6 +59,8 @@ def turn_rate(self, turn_rate: float):
             turn_rate = self.output_space["turn_rate"][0]
         elif turn_rate > self.output_space["turn_rate"][1]:
             turn_rate = self.output_space["turn_rate"][1]
+        elif math.isnan(turn_rate):
+            raise ValueError("value given to SpaceShip.turn_rate.setter() cannot be NaN")
 
         self._turn_rate = turn_rate
 
@@ -71,6 +74,8 @@ def thrust(self, thrust: float):
             thrust = self.output_space["thrust"][0]
         elif thrust > self.output_space["thrust"][1]:
             thrust = self.output_space["thrust"][1]
+        elif math.isnan(thrust):
+            raise ValueError("value given to SpaceShip.thrust.setter() cannot be NaN")
 
         self._thrust = thrust
 

src/fuzzy_asteroids/game.py

@@ -374,7 +374,8 @@ def on_update(self, delta_time: float = 1/60) -> None:
             self.score.stopping_condition = self.game_over
 
             self._print_terminal("**********************************************************")
-            self._print_terminal(f"Game over at {self.score.time:.3f} seconds | ({self.game_over}) ")
+            self._print_terminal(f"Scenario: {self.scenario.name}")
+            self._print_terminal(f"Game over at {self.score.time:.3f} seconds | ({self.game_over})")
             self._print_terminal("**********************************************************")
 
             if self.graphics_on:

src/fuzzy_asteroids/util.py

@@ -61,7 +61,7 @@ def __repr__(self):
 
     @property
     def accuracy(self) -> float:
-        return 1.0 if not self.bullets_fired else self.asteroids_hit / self.bullets_fired
+        return 0.0 if not self.bullets_fired else self.asteroids_hit / self.bullets_fired
 
     @property
     def fraction_total_asteroids_hit(self):