46 lines
1.1 KiB
OpenSCAD
46 lines
1.1 KiB
OpenSCAD
// Short for "coordinate system", including translation, rotation, and scale
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// coord:
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// fKeyType "type" fType(): fTypeCoord "coord"
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// fKeyTranslation "translation" fCoordTranslation(): [ x, y, z ]
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// fKeyRotation "rotation" fCoordRotation(): [ x, y, z ]
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// fKeyScale "scale" fCoordScale(): [ x, y, z ]
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fTypeCoord = "coord";
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function fIsCoord(x) = (
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fType(x) == fTypeCoord
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);
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fKeyTranslation = "translation";
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fKeyRotation = "rotation";
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fKeyScale = "scale";
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function fCoord(translation=[0, 0, 0], rotation=[0, 0, 0], scale=[1, 1, 1]) = (
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[
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[fKeyType, fTypeCoord],
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[fKeyTranslation, translation],
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[fKeyRotation, rotation],
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[fKeyScale, scale],
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]
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);
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function fCoordTranslation(coord) = (
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fMapLookup(fKeyTranslation, coord)
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);
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function fCoordRotation(coord) = (
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fMapLookup(fKeyRotation, coord)
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);
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function fCoordScale(coord) = (
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fMapLookup(fKeyScale, coord)
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);
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function fCoordInverse(coord) = (
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fCoord(
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translation=[0, 0, 0] - fCoordTranslation(coord),
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rotation=[180, 180, 180] + fCoordRotation(coord),
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scale=1 / fCoordScale(coord)
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)
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);
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