git.r.bdr.sh - rbdr/map/blob - 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 }