view nodes/sine.py @ 34:411de8b46aef

the famous you-are-in-the-process-of-changing-this-light indicator. the famous you-are-in-the-process-of-changing-this-light indicator. red = going up blue = going down also, a generic color fader in uihelpers.py -- unused (as of now)
author dmcc
date Sun, 07 Jul 2002 12:06:16 +0000
parents 45b12307c695
children
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"""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')