hexagonPainter.Dart
1a92df9014c1master

hexagonPainter.Dart
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			import 'package:flutter/material.dart';
			import 'dart:math' as math;

			class HexagonPainter extends CustomPainter {
			static const int SIDES_OF_HEXAGON = 6;
			final double radius;
			final Offset center;
			final Color colorHexagon;
			HexagonPainter(this.center, this.radius, this.colorHexagon);

			@override
			void paint(Canvas canvas, Size size) {
			Paint paint = Paint()..color = colorHexagon;
			Path path = createHexagonPath();
			canvas.drawPath(path, paint);
			}

			Path createHexagonPath() {
			final path = Path();
			var angle = (math.pi * 2) / SIDES_OF_HEXAGON;
			Offset firstPoint = Offset(radius * math.cos(0.0), radius * math.sin(0.0));
			path.moveTo(firstPoint.dx + center.dx, firstPoint.dy + center.dy);
			for (int i = 1; i <= SIDES_OF_HEXAGON; i++) {
			double x = radius * math.cos(angle * i) + center.dx;
			double y = radius * math.sin(angle * i) + center.dy;
			path.lineTo(x, y);
			}
			path.close();
			return path;
			}

			@override
			bool shouldRepaint(CustomPainter oldDelegate) => false;
			}