public PhysicsSystem(PhysicsLayersDescription layers)
{
_collisionGroups = new PhysicsCollisionGroups(layers);
CollisionRules.CollisionRuleCalculator = CustomCollisionRuleCalculator;
_looper = new ParallelLooper();
for (int g = 0; g < Environment.ProcessorCount - 1; g++)
{
_looper.AddThread();
}
Space = new Space(_looper);
Space.ForceUpdater.Gravity = s_defaultGravity;
Space.BufferedStates.Enabled = true;
Space.BufferedStates.InterpolatedStates.Enabled = true;
}
public PhysicsCollisionGroups(PhysicsLayersDescription layers)
{
_layers = layers;
int layerCount = layers.GetLayerCount();
_collisionGroupsByLayer = new CollisionGroup[layerCount];
for (int i = 0; i < layerCount; i++)
{
_collisionGroupsByLayer[i] = new CollisionGroup();
}
for (int i = 0; i < layerCount; i++)
{
CollisionGroup group = _collisionGroupsByLayer[i];
for (int g = i + 1; g < layerCount; g++)
{
bool collides = layers.GetDoLayersCollide(i, g);
if (!collides)
{
CollisionRules.CollisionGroupRules.Add(new CollisionGroupPair(group, _collisionGroupsByLayer[g]), CollisionRule.NoBroadPhase);
}
}
}
}
public void SetPhysicsLayerRules(PhysicsLayersDescription layers)
{
_collisionGroups = new PhysicsCollisionGroups(layers);
}
