public static CollisionInteractionType GetCollisionInteractionType(ICollidableObject a, ICollidableObject b)
{
CollisionInteractionType type = CollisionInteractionType.Invalid;
if ((null == a) || (null == b))
{
return(type);
}
if (a == b)
{
return(type);
}
return(GetCollisionInteractionType(a.CollisionMode, b.CollisionMode));
}
public static bool AreInCollision(ICollidableObject a, ICollidableObject b)
{
if ((null == a) || (null == b))
{
return(false);
}
if ((!a.IsCollidable) || (!b.IsCollidable))
{
return(false);
}
CollisionInteractionType collisionType = GetCollisionInteractionType(a, b);
if (collisionType == CollisionInteractionType.Invalid)
{
return(false);
}
return(a.Intersects(b));
}
public static CollisionInteractionType GetCollisionInteractionType(CollisionMode a, CollisionMode b)
{
CollisionInteractionType type = CollisionInteractionType.Invalid;
switch (a)
{
case CollisionMode.CenterPoint:
switch (b)
{
case CollisionMode.CenterPoint:
type = CollisionInteractionType.PointVsPoint;
break;
case CollisionMode.InnerCenterCircle:
type = CollisionInteractionType.PointVsCircle;
break;
case CollisionMode.Extent:
type = CollisionInteractionType.PointVsExtent;
break;
default:
break;
}
break;
case CollisionMode.InnerCenterCircle:
switch (b)
{
case CollisionMode.CenterPoint:
type = CollisionInteractionType.InnerCircleVsPoint;
break;
case CollisionMode.InnerCenterCircle:
type = CollisionInteractionType.InnerCircleVsInnerCircle;
break;
case CollisionMode.Extent:
type = CollisionInteractionType.InnerCircleVsExtent;
break;
default:
break;
}
break;
case CollisionMode.Extent:
switch (b)
{
case CollisionMode.CenterPoint:
type = CollisionInteractionType.ExtentVsPoint;
break;
case CollisionMode.InnerCenterCircle:
type = CollisionInteractionType.ExtentVsInnerCircle;
break;
case CollisionMode.Extent:
type = CollisionInteractionType.ExtentVsExtent;
break;
default:
break;
}
break;
default:
type = CollisionInteractionType.Invalid;
break;
}
return(type);
}
