/// <summary>
/// Removes any rule between the two groups in the space.
/// </summary>
/// <param name="groupA">First CollisionGroup of the pair.</param>
/// <param name="groupB">SecondCollisionGroup of the pair.</param>
public static void RemoveCollisionRule(CollisionGroup groupA, CollisionGroup groupB)
{
Dictionary <CollisionGroupPair, CollisionRule> dictionary = CollisionRules.CollisionGroupRules;
var pair = new CollisionGroupPair(groupA, groupB);
if (dictionary.ContainsKey(pair))
{
dictionary.Remove(pair);
}
}
//Equals is not overriden because the hashcode because the hashcode is the default hashcode, just modified a bit.
/// <summary>
/// Defines the CollisionRule between the two groups for a given space.
/// </summary>
/// <param name="groupA">First CollisionGroup of the pair.</param>
/// <param name="groupB">Second CollisionGroup of the pair.</param>
/// <param name="rule">CollisionRule to use between the pair.</param>
public static void DefineCollisionRule(CollisionGroup groupA, CollisionGroup groupB, CollisionRule rule)
{
var pair = new CollisionGroupPair(groupA, groupB);
if (CollisionRules.CollisionGroupRules.ContainsKey(pair))
{
CollisionRules.CollisionGroupRules[pair] = rule;
}
else
{
CollisionRules.CollisionGroupRules.Add(pair, rule);
}
}