protected override bool IntersectsImpl(CollisionMode thisCollisionMode, IExtent otherExtent, CollisionMode otherCollisionMode)
{
switch (CollisionChecker.GetCollisionInteractionType(thisCollisionMode, otherCollisionMode))
{
case CollisionInteractionType.ExtentVsInnerCircle:
case CollisionInteractionType.InnerCircleVsInnerCircle:
return(ExtentIntersector.AreInIntersectionCircleVsCircle(this, otherExtent));
case CollisionInteractionType.ExtentVsExtent:
case CollisionInteractionType.InnerCircleVsExtent:
return(ExtentIntersector.AreInIntersectionCircleVsExtent(this, otherExtent));
case CollisionInteractionType.ExtentVsPoint:
case CollisionInteractionType.InnerCircleVsPoint:
return(ExtentIntersector.AreInIntersectionExtentVsPoint(this, otherExtent));
case CollisionInteractionType.PointVsCircle:
case CollisionInteractionType.PointVsExtent:
return(ExtentIntersector.AreInIntersectionExtentVsPoint(otherExtent, this));
case CollisionInteractionType.PointVsPoint:
case CollisionInteractionType.Invalid:
default:
return(false);
}
}
protected void CheckCollisionFor(ICollidableObject primary, ICollidableObject secondary)
{
CollisionRuleEntry collisionRule;
if (CollisionRules.CanCollide(primary.CollisionClass, secondary.CollisionClass, out collisionRule))
{
ICollisionLifetimeEntry collisionEntry = null;
//Check the collision lifetime tracker. If there is already a collision lifetime entry being tracked, do nothing and return.
if (_collisionLifetimes.Contains(primary, secondary, out collisionEntry))
{
//The specified entities have collided before. Check to see if this collision time is last the cooldown period
if ((collisionRule != null) &&
!collisionEntry.CanCollideAgain(collisionRule.Cooldown, Globals.TotalGameTimeSeconds))
{
return;
}
}
if (CollisionChecker.AreInCollision(primary, secondary))
{
if (collisionRule == null || collisionRule.TrackLifeTime)
{
_collisionLifetimes.Add(primary, secondary, Globals.TotalGameTimeSeconds);
}
_onCollision.Notify(new CollisionEventArgs(primary, secondary));
}
}
}