patternengine
Project description
patternengine
tl;dr
A bullet hell pattern engine
Consult the embedded docs for class descriptions and usage.
Check out the demo. Watch the demo running
Look into src/patternengine/example.py
Preparation
########################################################################
# Relevant part here
#
# A "ring" of 180 degrees aiming towards the top devided int 18 parts
# A heartbeat over 5 seconds with 4 emits and 4 gaps
# A BulletSource fetching 18 bullets at every heartbeat
#
ring = pe.Ring(100, 18, aim=-90, width=180)
heartbeat = pe.Heartbeat(5, '#.#.#.#.')
emitter = pe.BulletSource(18, ring, heartbeat)
#
########################################################################
Later in the game loop
####################################################################
# Relevant part here
#
for bullet in next(emitter):
Bullet(group,
position=bullet[0] + anchor,
momentum=bullet[1] * bullet_speed,
lifetime=10)
#
####################################################################
with Bullet being a simple subclass of pygame.sprite.Sprite
Tutorial
Read TUTORIAL.md for exhaustive examples of all the parts.
Additionally, study the sources of the included tutorial scripts and the demos, both in the package folder.
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