Canvas.additionalShaderChannels

Description

获取或设置要在创建 Canvas 网格时使用的附加着色器通道的遮罩。

在为覆盖 Canvas 生成网格时，Canvas 将始终包括 Position、Color 和 Uv0 着色器通道，对于 ScreenSpace.Camera 和世界空间 Canvas，还将包括 Normal 和 Tangent。这些是要复制的可选附加参数。

using UnityEngine;

public class SetCanvasShaderChannels : MonoBehaviour
{
    public Canvas canvas;

    void Start()
    {
        canvas.additionalShaderChannels |= AdditionalCanvasShaderChannels.Normal;
        canvas.additionalShaderChannels |= AdditionalCanvasShaderChannels.TexCoord1;
        canvas.additionalShaderChannels |= AdditionalCanvasShaderChannels.Tangent;
    }
}