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pacman2/engine/servers/physics.py

56 lines
1.7 KiB
Python

from .server import Server
class PhysicsServer(Server):
def __init__(self):
super().__init__()
self._static = []
self._dynamic = []
def register_component(self, component):
if component.static:
self._static.append(component)
else:
self._dynamic.append(component)
def unregister_component(self, component):
if component in self._static:
self._static.remove(component)
if component in self._dynamic:
self._dynamic.remove(component)
def _check_collide(self, dyn):
for s in self._static + self._dynamic:
if s != dyn and s.rect.colliderect(dyn.rect):
return s
return None
def step(self):
for d in self._dynamic:
x_step = -1 if d.vx < 0 else 1
y_step = -1 if d.vy < 0 else 1
for i in range(abs(d.vx)):
d.parent.x += x_step
c = self._check_collide(d)
if c is not None:
if c.cb:
c.cb(d)
if d.cb:
d.cb(c)
if c.solid:
d.parent.x -= x_step
d.vx = -d.vx * d.friction
break
for i in range(abs(d.vy)):
d.parent.y += y_step
c = self._check_collide(d)
if c is not None:
if c.cb:
c.cb(d)
if d.cb:
d.cb(c)
if c.solid:
d.parent.y -= y_step
d.vy = -d.vy * d.friction
break