Spot lights only shine in one direction, in a cone. They are perfect for flashlights, car headlights or lamp posts. They are the most expensive on the graphics processor.

• 聚光灯只在一个方向的圆锥体内发光,很适合手电筒,汽车大灯,和探照灯。往往会很需要昂贵的图形处理的成本。