From 625fb2f5a9f5e0a205cc49086dfcd53cfae7af01 Mon Sep 17 00:00:00 2001
From: Neil <neil@dip.sun.ac.za>
Date: Sat, 10 Sep 2016 13:34:15 +0200
Subject: [PATCH] Tweak Boyd

---
 tabakrolletjie/enemies.py | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

diff --git a/tabakrolletjie/enemies.py b/tabakrolletjie/enemies.py
index 422b103..b8d016d 100644
--- a/tabakrolletjie/enemies.py
+++ b/tabakrolletjie/enemies.py
@@ -20,6 +20,15 @@ MOULD_FILTER = pymunk.ShapeFilter(
 EAT_TURNIP_FILTER = pymunk.ShapeFilter(mask=TURNIP_CATEGORY)
 
 
+# Boyd parameters
+SPAWN_RATE = 10
+MAX_AGE = 60
+MAX_ELEMENTS = 500
+MAX_HEALTH = 100
+
+MOULD_STAGES = [10, 20]
+
+
 class Mould(pymunk.Body):
     """A segment of Boyd"""
 
@@ -47,7 +56,7 @@ class Mould(pymunk.Body):
         if not self._img:
             name = random.choice(
                 ('mouldA.png', 'mouldB.png', 'mouldC.png'))
-            size = "16" if self._age < 10 else "32" if self._age < 20 else "64"
+            size = "16" if self._age < MOULD_STAGES[0] else "32" if self._age < MOULD_STAGES[1] else "64"
             self._img = loader.load_image(size, name)
         return self._img
 
@@ -64,15 +73,15 @@ class Mould(pymunk.Body):
         self._age += 1
 
         # we regain a health every tick, so we heal in the dark
-        if self._health < 100:
+        if self._health < MAX_HEALTH:
             self._health += 1
 
         refresh = False
 
-        if (self._age % 15) == 0 and len(moulds) < 1000:
+        if (self._age % SPAWN_RATE) == 0 and len(moulds) < MAX_ELEMENTS:
             # Spawn a new child, if we can
             spawn = True
-            choice = random.randint(0, 4)
+            choice = random.randint(0, 3)
             if choice == 0:
                 pos = self.position + (0, 24)
             elif choice == 1:
@@ -102,16 +111,16 @@ class Mould(pymunk.Body):
                 if random.randint(0, 10) < 2:
                     sound.play_sound("mouth_pop_2a.ogg")
 
-        if self._age in (10, 20):
+        if self._age in MOULD_STAGES:
             # We grow in size
             refresh = True
             self._img = None  # invalidate cached image
 
-        if self._age > 20 and random.randint(0, 500) < 1:
+        if self._age > MOULD_STAGES[1] and random.randint(0, 500) < 1:
             # Maybe we grow an eyeball
             self.has_eyeball = True
 
-        if self._age > 120:
+        if self._age > MAX_AGE:
             # We die of old age
             space.remove(self, self._shape)
             moulds.remove(self)
@@ -127,7 +136,7 @@ class Mould(pymunk.Body):
     def damage(self, light, space, moulds):
         """Take damage for light, adjusted for resistances."""
         self._health -= light.base_damage()
-        if self._health <= 0 and self._age <= 120:
+        if self._health <= 0 and self._age <= MAX_AGE:
             # We die of damage
             space.remove(self, self._shape)
             moulds.remove(self)
-- 
2.34.1