Еще вопросы по процедуры

(я изменил PS1 на PlayerSprite1 и PS2 на PlayerSprite2)
Код:
procedure TPlayerSprite1.DoCollision(Sprite: TSprite; var Done: Boolean);
begin
if Sprite is TPlayerSprite2 then
begin
if TPlayerSprite1Action=obichniy then // îáû÷íàÿ ïîçèöèÿ
begin
case TPlayerSprite2Action of
obichniy: exit;
BottomBlock: exit;
TopBlock: exit;
TopUdar: TPlayerSprite1Health:=TPlayerSprite1Health-10;
UdarLevoy: TPlayerSprite1Health:=TPlayerSprite1Health-5;
UdarPravoy: TPlayerSprite1Health:=TPlayerSprite1Health-5;
UdarNiz: TPlayerSprite1Health:=TPlayerSprite1Health-7;
UdarNogoyZemlyaLevo: TPlayerSprite1Health:=TPlayerSprite1Health-8;
UdarNogoyZemlyaPravo: TPlayerSprite1Health:=TPlayerSprite1Health-8;
end;
end
else
if TPlayerSprite1Action=BottomBlock then // íèæíèé áëîê
begin
case TPlayerSprite2Action of
obichniy: exit;
BottomBlock: exit;
TopBlock: exit;
TopUdar: TPlayerSprite1Health:=TPlayerSprite1Health-10;
UdarLevoy: TPlayerSprite1Health:=TPlayerSprite1Health-5;
UdarPravoy: TPlayerSprite1Health:=TPlayerSprite1Health-5;
UdarNiz: TPlayerSprite1Health:=TPlayerSprite1Health-1;
UdarNogoyZemlyaLevo: TPlayerSprite1Health:=TPlayerSprite1Health-1;
UdarNogoyZemlyaPravo: TPlayerSprite1Health:=TPlayerSprite1Health-1;
end;
end
else
if TPlayerSprite1Action=TopBlock then // âåðõíèé áëîê
begin
case TPlayerSprite2Action of
obichniy: exit;
BottomBlock: exit;
TopBlock: exit;
TopUdar: TPlayerSprite1Health:=TPlayerSprite1Health-1;
UdarLevoy: TPlayerSprite1Health:=TPlayerSprite1Health-1;
UdarPravoy: TPlayerSprite1Health:=TPlayerSprite1Health-1;
UdarNiz: TPlayerSprite1Health:=TPlayerSprite1Health-7;
UdarNogoyZemlyaLevo: TPlayerSprite1Health:=TPlayerSprite1Health-8;
UdarNogoyZemlyaPravo: TPlayerSprite1Health:=TPlayerSprite1Health-8;
end;
end
else
end;
end;
Надо везде изменить TPlayerSprite1 на PlayerSprite1?