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Diffstat (limited to 'src/com/jsyn/unitgen/FunctionOscillator.java')
-rw-r--r-- | src/com/jsyn/unitgen/FunctionOscillator.java | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/com/jsyn/unitgen/FunctionOscillator.java b/src/com/jsyn/unitgen/FunctionOscillator.java deleted file mode 100644 index 30d32d5..0000000 --- a/src/com/jsyn/unitgen/FunctionOscillator.java +++ /dev/null @@ -1,58 +0,0 @@ -/* - * Copyright 2009 Phil Burk, Mobileer Inc - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.jsyn.unitgen; - -import com.jsyn.data.Function; -import com.jsyn.ports.UnitFunctionPort; - -/** - * Oscillator that uses a Function object to define the waveform. Note that a DoubleTable can be - * used as the Function. - * - * @author Phil Burk (C) 2009 Mobileer Inc - */ -public class FunctionOscillator extends UnitOscillator { - public UnitFunctionPort function; - - public FunctionOscillator() { - addPort(function = new UnitFunctionPort("Function")); - } - - @Override - public void generate(int start, int limit) { - double[] frequencies = frequency.getValues(); - double[] amplitudes = amplitude.getValues(); - double[] outputs = output.getValues(); - - Function functionObject = function.get(); - - // Variables have a single value. - double currentPhase = phase.getValue(); - - for (int i = start; i < limit; i++) { - // Generate sawtooth phasor to provide phase for function lookup. - double phaseIncrement = convertFrequencyToPhaseIncrement(frequencies[i]); - currentPhase = incrementWrapPhase(currentPhase, phaseIncrement); - double value = functionObject.evaluate(currentPhase); - outputs[i] = value * amplitudes[i]; - } - - // Value needs to be saved for next time. - phase.setValue(currentPhase); - } - -} |