49 lines
1.4 KiB
Dart
49 lines
1.4 KiB
Dart
import 'dart:math' as math;
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class Point {
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final num x;
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final num y;
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const Point(this.x, this.y);
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const Point.from({this.x = 0, this.y = 0});
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static const zero = Point(0, 0);
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operator +(covariant Point p) => Point(x + p.x, y + p.y);
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operator -(covariant Point p) => Point(x - p.x, y - p.y);
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operator *(covariant Point p) => Point(x * p.x, y * p.y);
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operator /(covariant Point p) => Point(x / p.x, y / p.y);
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@override
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bool operator ==(Object other) =>
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other is Point && x == other.x && y == other.y;
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@override
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int get hashCode => x.hashCode ^ y.hashCode;
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Point addX(num n) => Point(x + n, y);
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Point addY(num n) => Point(x, y + n);
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Point add(num n) => Point(x + n, y + n);
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Point subtractX(num n) => Point(x - n, y);
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Point subtractY(num n) => Point(x, y - n);
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Point subtractXY(num n) => Point(x - n, y - n);
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Point xSubtract(num n) => Point(n - x, y);
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Point ySubtract(num n) => Point(x, n - y);
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Point xySubtract(num n) => Point(n - x, n - y);
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Point timesX(num n) => Point(x * n, y);
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Point timesY(num n) => Point(x, y * n);
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Point times(num n) => Point(x * n, y * n);
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Point dividesX(num n) => Point(x / n, y);
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Point dividesY(num n) => Point(x, y / n);
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Point divides(num n) => Point(x / n, y / n);
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Point pow(int n) => Point(math.pow(x, n), math.pow(y, n));
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double abs() => math.sqrt(x * x + y * y);
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@override
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String toString() => '($x,$y)';
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}
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