static void RayTest_PostProcess(Physics2DRayTestItem item, List <Physics2DRayTestItem.ResultItem> resultList)
{
if (resultList.Count == 0)
{
item.Result = Array.Empty <Physics2DRayTestItem.ResultItem>();
return;
}
if (item.Mode == Physics2DRayTestItem.ModeEnum.OneClosest || item.Mode == Physics2DRayTestItem.ModeEnum.One)
{
item.Result = new Physics2DRayTestItem.ResultItem[] { resultList[0] };
return;
}
if (item.Mode == Physics2DRayTestItem.ModeEnum.OneForEach)
{
item.Result = GetResultsOnePerShape(resultList);
return;
}
//sort by distance in any other case
CollectionUtility.SelectionSort(resultList, Compare);
if (item.Mode == Physics2DRayTestItem.ModeEnum.All)
{
item.Result = resultList.ToArray();
return;
}
//item.Mode == PhysicsRayTestItem.ModeEnum.OneClosestForEach
item.Result = GetResultsOnePerShape(resultList);
}
static bool ShouldCollide(Fixture fixture, Physics2DRayTestItem item)
{
if (fixture.CollisionGroup != 0 && fixture.CollisionGroup == item.CollisionGroup)
{
return(fixture.CollisionGroup > 0);
}
bool collide =
((fixture.CollidesWith & item.CollisionCategories) != 0) &&
((item.CollidesWith & fixture.CollisionCategories) != 0);
return(collide);
}
public static void Physics2DRayTest(this Component_Scene scene, Physics2DRayTestItem item)
{
Physics2DRayTest(scene, new Physics2DRayTestItem[] { item });
}