您可以使用这些参数配置作为 RayTracingAccelerationStructure一部分的光线追踪三角形几何实例。
三角形几何体使用包含顶点和索引数据以及其他参数的 GraphicsBuffers 指定。
| accelerationStructureBuildFlags | Unity 在构建此光线追踪实例配置引用的几何体的加速结构时使用的标志。 |
| accelerationStructureBuildFlagsOverride | 是否覆盖创建 RayTracingAccelerationStructure 时指定的构建标志。 |
| dynamicGeometry | Unity 是否将几何体视为动画。 |
| enableTriangleCulling | 是否启用了此光线追踪实例的前/后面剔除。 |
| frontTriangleCounterClockwise | 是否翻转此光线追踪实例中三角形的面向。 |
| indexBuffer | Unity 用于定义光线追踪几何实例的索引缓冲区。 |
| indexCount | 来自 indexBuffer 的定义此光线追踪几何实例的索引数量。 |
| indexStart | 来自 indexBuffer 的定义此光线追踪几何实例的第一个索引。 |
| layer | 光线追踪实例使用的图层。 |
| lightProbeProxyVolume | 光线追踪实例使用的 LightProbeProxyVolume。 |
| lightProbeUsage | 此实例的光探针插值类型。 |
| mask | 光线追踪实例掩码。 |
| material | 光线追踪实例使用的材质。 |
| materialProperties | 要应用到材质的其他材质属性。 |
| motionVectorMode | 运动矢量模式。 |
| renderingLayerMask | 可以在 HLSL 中使用 unity_RenderingLayer 内置着色器统一变量访问的掩码。 |
| subMeshFlags | 确定光线追踪期间相对于材质类型的光线-几何体相交行为的标志。 |
| vertexAttributes | 定义 vertexBuffer 顶点格式的顶点属性数组。 |
| vertexBuffer | Unity 用于定义光线追踪几何实例的顶点缓冲区。 |
| vertexCount | 来自 vertexBuffer 的定义此光线追踪几何实例的顶点数。 |
| vertexStart | 来自 vertexBuffer 的定义此光线追踪几何实例的第一个顶点的索引。 |
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