bounching balls and more refactoring

1 files changed, 36 insertions, 0 deletions

diff --git a/src/sliceitoff/enemies/bouncher.py b/src/sliceitoff/enemies/bouncher.py
new file mode 100644
index 0000000..692492b
--- /dev/null
+++ b/src/sliceitoff/enemies/bouncher.py
@@ -0,0 +1,36 @@
+""" enemies.bouncher - Enemy type that bouches around """
+from random import randrange, choice
+
+from text import get_letter_surface
+from .enemy import Enemy
+
+BOUNCHER_SPAWN_AREA = (0, 0, 300_000, 80_000)
+BOUNCHER_MOVEMENT = (200, 20)
+BOUNCHER_SIZE = 12_000
+BOUNCHER_SYMBOLS = (0x1,0x2)
+GRAVITY = 4
+
+class EnemyBouncher(Enemy):
+    """ Type of enemy that is affected by gravity """
+    def __init__(self):
+        super().__init__()
+        self.position = (
+                randrange(BOUNCHER_SPAWN_AREA[0], BOUNCHER_SPAWN_AREA[2]),
+                randrange(BOUNCHER_SPAWN_AREA[1], BOUNCHER_SPAWN_AREA[3]))
+        self.movement = (
+                randrange(0, BOUNCHER_MOVEMENT[0]*2) - BOUNCHER_MOVEMENT[0],
+                randrange(0, BOUNCHER_MOVEMENT[1]*2) - BOUNCHER_MOVEMENT[1])
+        font_key = ('8x8', BOUNCHER_SIZE, 0)
+        surface = get_letter_surface(font_key, choice(BOUNCHER_SYMBOLS))
+        self.image = surface.subsurface(
+                (0, 0, surface.get_rect().w, surface.get_rect().w))
+        self.rect = None
+        self.update()
+
+    def update(self, dt = 0, wall_hit = None, **kwargs):
+        """ wall hit from super(). added gravity """
+        super().update(dt = dt, wall_hit = wall_hit, **kwargs)
+        if dt:
+            self.movement = (
+                    self.movement[0],
+                    (self.movement[1] + GRAVITY)*0.999)