| name | 设置的属性的名称。 |
| nameID | 如 Shader.PropertyToID 给定的属性的 ID。 |
| val | The vector to set. |
Sets the value for a vector uniform.
Only shaders defined in the .raytrace file can access the vector you designate as the argument for this method. To make this vector accessible to all ray tracing shader types (closest hit, any hit, miss, etc.), call the Shader.SetGlobalVector method instead.