def PreSolve(self, contact, old_manifold):
"""
This is a critical function when there are many contacts in the world.
It should be optimized as much as possible.
"""
if not (self.settings.drawContactPoints
or self.settings.drawContactNormals or self.using_contacts):
return
elif len(self.points) > self.settings.maxContactPoints:
return
manifold = contact.manifold
if manifold.pointCount == 0:
return
state1, state2 = b2GetPointStates(old_manifold, manifold)
if not state2:
return
worldManifold = contact.worldManifold
# TODO: find some way to speed all of this up.
self.points.extend([
dict(
fixtureA=contact.fixtureA,
fixtureB=contact.fixtureB,
position=worldManifold.points[i],
normal=worldManifold.normal.copy(),
state=state2[i],
) for i, point in enumerate(state2)
])
def PreSolve(self, contact, old_manifold):
"""
This is a critical function when there are many contacts in the world.
It should be optimized as much as possible.
"""
if not (self.settings.drawContactPoints or
self.settings.drawContactNormals or self.using_contacts):
return
elif len(self.points) > self.settings.maxContactPoints:
return
manifold = contact.manifold
if manifold.pointCount == 0:
return
state1, state2 = b2GetPointStates(old_manifold, manifold)
if not state2:
return
worldManifold = contact.worldManifold
# TODO: find some way to speed all of this up.
self.points.extend([dict(fixtureA=contact.fixtureA,
fixtureB=contact.fixtureB,
position=worldManifold.points[i],
normal=worldManifold.normal.copy(),
state=state2[i],
)
for i, point in enumerate(state2)])
