Initializes a new uniform object that holds a vector of four floating-point numbers.
- iOS 7.0–10.0Deprecated
- macOS 10.8–10.12Deprecated
- tvOS 9.0–10.0Deprecated
The name used to identify the uniform variable; you use this name inside your shader to read the uniform variable’s value.
The initial vector for the uniform variable.
An initialized uniform object whose type is set to