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[rbdr/map] / Map / Presentation / Base Components / MapRender / MapGroups.swift
1 /*
2 Copyright (C) 2024 Rubén Beltrán del Río
3
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
13
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see https://map.tranquil.systems.
16 */
17 import ConcaveHull
18 import SwiftUI
19
20 struct MapGroups: View {
21
22 let mapSize: CGSize
23 let vertexSize: CGSize
24 let groups: [[Vertex]]
25
26 var body: some View {
27 ForEach(Array(groups.enumerated()), id: \.element) { index, group in
28 MapGroup(mapSize: mapSize, vertexSize: vertexSize, group: group, color: color(index))
29 }
30 }
31
32 private func color(_ index: Int) -> Color {
33 return .map.groupColors[index % Color.map.groupColors.count]
34 }
35 }
36
37 #Preview {
38 MapGroups(
39 mapSize: CGSize(width: 400.0, height: 400.0), vertexSize: CGSize(width: 25.0, height: 25.0),
40 groups: [
41 [
42 Vertex(id: 0, label: "A Circle", position: CGPoint(x: 50.0, y: 50.0)),
43 Vertex(id: 1, label: "A Square", position: CGPoint(x: 10.0, y: 20.0), shape: .square),
44 Vertex(id: 2, label: "A triangle", position: CGPoint(x: 25, y: 32.0), shape: .triangle),
45 Vertex(id: 3, label: "An X", position: CGPoint(x: 70.0, y: 70.0), shape: .x),
46 ]
47 ])
48 }