updateBodyContacts method
void
updateBodyContacts()
Implementation
void updateBodyContacts() {
final aabb = _temp;
aabb.lowerBound.x = double.maxFinite;
aabb.lowerBound.y = double.maxFinite;
aabb.upperBound.x = -double.maxFinite;
aabb.upperBound.y = -double.maxFinite;
for (final particle in _particles) {
final position = particle.position;
Vector2.min(aabb.lowerBound, position, aabb.lowerBound);
Vector2.max(aabb.upperBound, position, aabb.upperBound);
}
aabb.lowerBound.x -= particleDiameter;
aabb.lowerBound.y -= particleDiameter;
aabb.upperBound.x += particleDiameter;
aabb.upperBound.y += particleDiameter;
final callback = UpdateBodyContactsCallback(this);
world.queryAABB(callback, aabb);
}