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Close| name | The name of the property being set. |
| nameID | The ID of the property as given by Shader.PropertyToID. |
| val | The float value to set. |
Sets the value of a float uniform.
The value specified as argument can be used only by the shaders defined inside the .raytrace file associated with the RayTracingShader. If the value needs to be visible in all ray tracing shader types (closesthit, anyhit, miss, etc.) then Shader.SetGlobalFloat must be used.