Thin Film

薄膜

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Thin Film

薄膜

A thin oil film can additionally refract the light on a surface and produce a colored sheen. This effect can be seen on soap bubbles. By varying the simulated thickness of the oil film an additional play of colors can be created. In this example, a multiplied Noise Node is used to create the variation. 薄油膜还可以折射表面上的光线，产生有色光泽。这种效果可以在肥皂泡上看到。通过改变模拟的油膜厚度，可以产生额外的色彩效果。在此示例中，使用一个相乘的噪声节点来创建变量

When light refracts in a very thin layer of oil, soap, etc, it bounces around and light interference starts playing a role. Since light consists of multiple wavelengths, some wavelengths cancel each other out (destructive interference) and / or boost each other (constructive

当光线在一层很薄的油、肥皂等物质中折射时，它就会反弹，光线干扰就开始发挥作用。由于光由多个波长组成，一些波长相互抵消(破坏性干涉)和/或增强彼此(建设性的)

interference). Depending on the thickness, index of refraction and viewing angle, the characteristic colors of this effect will appear.

根据厚度，折射率和视角，这种效果的特征颜色会出现。