24 lines
709 B
Dart
24 lines
709 B
Dart
Map<int, Offset> _getDotPos(int dotsAm, Size size) {
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Map<int, Offset> off = <int, Offset>{};
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var width = size.width / 2;
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var height = size.height / 2;
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int add = 0;
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int h = _getHighInputConnections();
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for (int i = 0; i < dotsAm; i++) {
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if ((i + 1) != h) {
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double x =
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cos(2 * pi * (i - add) / (dotsAm - add)) * _circleRad + width;
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double y =
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sin(2 * pi * (i - add) / (dotsAm - add)) * _circleRad + height;
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off[i + 1] = Offset(x, y);
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} else if ((i + 1) == h) {
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off[i + 1] = Offset(width + 2, height - 2);
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add = 1;
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h = 0;
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} else {
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print("GetDotPos error");
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}
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}
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return off;
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} |