大家都搜：
平行光；定向光源；方位灯
1、light───n.(Light)（英）莱特（人名）；vi.点着；变亮；着火；n.光；光线；灯；打火机；领悟；浅色；天窗；adv.轻地；清楚地；轻便地；adj.轻的；浅色的；明亮的；轻松的；容易的；清淡的；vt.照亮；点燃；着火
2、foremast light───前桅灯
3、for light───为了光
4、tripod light───三脚架灯
5、excitatory light───兴奋性光
6、light rose───浅玫瑰色
7、light headed───adj.头昏眼花的；三心二意的；无知的；轻浮的
8、directional blur───方向模糊
9、new light───新的眼光；新曙光
1、Finally, the directional light gives each side a different color.───最后，定向光使每面都具有不同的颜色。
2、A directional light doesn't have a position, only a direction.───定向光没有位置，只有方向。
3、The directional light needs to look at the object you wish to light, and needs to be double-sided.───方向灯需要指向你想要照亮的物体，并且需要勾选双面。
4、As said before, a directional light can be thought of as the sun, and the sun doesn't have a falloff radius or anything else.───正如前面所述，方向光源可以认为是一个太阳，太阳发出的光是没有衰减半径，也没有别的特殊性质。
5、Brightest directional light is always per-pixel.───最亮的方向光源为像素光源
6、All the details about directional light shadows can be found here: Directional Shadow Details.───可以在这里找到所有关于平行光阴影细节：平行光阴影细节。
7、It is possible to add a directional light component by faking the Sun either via a single spot or with an Area Light.───通过一盏聚光灯或是区域照明模拟太阳，我们有可能为场景添加一个方向性的光。
8、Base pass renders object with one per-pixel directional light and all SH lights.───基础通道用一个逐像素方向光和所有球面调和光渲染物体。
9、A combination of a strong directional light and a weaker ambient light gives a natural-looking appearance to your scene.───由强方向性光源和较弱的环境光源组合在一起可以为你的场景提供一种自然的感观。
1、Photometer for measuring the directional light distribution characteristics of sources or luminaires.
2、The directional light was a good choice to generate nice, smooth shadows and caustics.