标准着色器中的第一个材质参数为 Rendering Mode。此参数允许您选择对象是否使用透明度,如果是,使用哪种类型的混合模式。
Opaque - 此项为默认设置,适用于没有透明区域的普通固体对象。
Cutout - 用于创建在不透明区域和透明区域之间具有硬边的透明效果。在这种模式下,没有半透明区域,纹理为 100% 不透明或不可见。使用透明度来创建材质的形状时(如树叶或者有孔洞和碎布条的布料),这非常有用。
Transparent - 适用于渲染逼真的透明材质,如透明塑料或玻璃。在此模式下,材质本身将采用透明度值(基于纹理的 Alpha 通道和色调颜色的 Alpha),但与真实透明材质的情况一样,反射和光照高光将保持完全清晰可见。
Fade - 允许透明度值完全淡出对象,包括对象可能具有的任何镜面高光或反射。如果要对淡入或淡出的对象进行动画化,此模式将非常有用。它不适合渲染逼真的透明材质,如透明塑料或玻璃,因为反射和高光也会淡出。
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