(self, code)
Add code in the header of the fragment shader. Generally used to
        define custom functions, to be used in the main shader code.
Add code in the header of the fragment shader. Generally used to
        define custom functions, to be used in the main shader code.
Add code in the header of the fragment shader . Generally used to define custom functions to be used in the main shader code .
def add_fragment_header(self, code):
        """Add code in the header of the fragment shader. Generally used to
        define custom functions, to be used in the main shader code."""
        self.add_header(code, 'fragment')
def add_fragment_header ( self , code ) : self . add_header ( code , 'fragment' )