The ChordSequenceEngine is a SequenceEngine that uses a pattern (provided by the configured PatternEngine) in which you specify chord offsets to use. Each offset from the pattern will be used to play a chord generated by using the given chord offset and adding all offsets provided in the "offsets" tag to it, one for each chord pitch. Example: let's suppose you have configured this SequenceEngine to use the chord offsets 0, 1, 2, 3 (which would be a normal chord plus the base tone transposed one octave up). If the pattern contains a "1" for the current tick, the SequenceEngine will create a chord using the chord offsets 1, 2, 3, 4.
The ChordSequenceEngine randomly chooses one of the provided "patternEngine" tags and uses it to render a pattern. Then a multi-voice sequence will be rendered using this pattern.
Configuration
| Tag | Attribute | Type | # | Example | Description |
|---|---|---|---|---|---|
| offets | - | list of ints | 1 | 0,1,2,5 | The chord offsets to play for each note. |
| patternEngine | class | class | 1 | StringPatternEngine | The name of the PatternEngine implementation to use. |
| patternEngine | - | - | 1-n | - | The configuration of the PatternEngine implementation. |
Configuration example
<sequenceEngine class="ChordSequenceEngine">
<offsets>0,1,2</offsets>
<patternEngine class="RandomFragmentPatternEngine">
<patternTicks>48</patternTicks>
<patternString>A1,A2,A1,A3</patternString>
<pattern group="A">0,-,-,0,-,-,0,-|0,-,0,-,-,0,-,-|0,-,-,0,-,0,-,-</pattern>
</patternEngine>
</sequenceEngine>
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