git.r.bdr.sh - rbdr/map/blob - Map/Presentation/Base Components/MapRender/MapGroups.swift

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