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。
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