directional light的意思|示意

Create a Directional Light and then place It'similar to the image below.

建立一盏平行光,如下图所示放置.

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Photometer for measuring the directional light distribution characteristics of sources or luminaires.

测量光源或灯具定向光线分布特性的光度计.

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Directional light: This light has only direction ( orientation ) and color.

方向光: 此类光具有方向及颜色.

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