public bool ApplyOverheadCheck(IBoundingBox entity, IEnumerable <IBoundingBox> entities, Func <IBoundingBox, bool> ground, float yGravity, bool bounce)
{
var entityExtended = new BoundingBox
{
LocalMatrix = entity.GetFinalMatrix() * Matrix.CreateTranslation(0, -1, 0),
Width = entity.Width,
Height = entity.Height,
XSpeed = 0,
YSpeed = 0
};
var collidableEntities = entities.Where(ground).Where(x => x != entity).ToArray();
foreach (var collidableEntity in collidableEntities)
{
if (this.m_BoundingBoxUtilities.Overlaps(entityExtended, collidableEntity))
{
if (bounce)
{
if (yGravity > 0)
{
entity.YSpeed = Math.Abs(entity.YSpeed);
}
else
{
entity.YSpeed = -Math.Abs(entity.YSpeed);
}
}
else
{
entity.YSpeed = 1;
}
return(true);
}
}
return(false);
}