light9 Files · Nodes/sine.py

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David McClosky

keyboardcomposer destroy fix and cleanups
- We were destroying KeyboardComposer a little too much. Fortunately,
we weren't passing the right number of arguments, so this was merely
an error.
- About the TODO comment removed: we don't need to use combine_dict
since Submaster logic will be changed entirely when we/if we move
to a SubServer world and keyboard composer will not be the wiser.

"""node that generates a sine wave"""


class SineGenerator(Node):
    def op(self, input, output, stateaccess):

        # input and output have names
        output.sin = stateaccess.magnitude * math.sin(stateaccess.phase+input.time)

        """
        # dict-style access for names with spaces
        output['sin'] = input['ti me']
        # underscore magic for accessing names with spaces-- the port object makes
        # this work
        output.sin=input.ti_me

        input.time = input.money
        """

    def getports(self):
        return OutputPort('sin'), InputPort('time'), InputPort('money')