Takes the Glow FX Shader source and parses out the SIZE and DIST consts with the configuration values.
The Fragment Shader source code to operate on.
The Phaser Game instance.
Optional
The quality of the glow (defaults to 0.1)
The distance of the glow (defaults to 10)
Takes the Glow FX Shader source and parses out the SIZE and DIST consts with the configuration values.