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

   1 import SwiftUI
   2
   3 struct MapBlockers: View {
   4
   5   let mapSize: CGSize
   6   let vertexSize: CGSize
   7   let blockers: [Blocker]
   8
   9   let cornerSize = CGSize(width: 2.0, height: 2.0)
  10
  11   var body: some View {
  12     ForEach(blockers, id: \.id) { vertex in
  13       Path { path in
  14         path.addRoundedRect(
  15           in: CGRect(
  16             origin: CGPoint(
  17               x: w(vertex.position.x) + 3 * vertexSize.width,
  18               y: h(vertex.position.y) - vertexSize.height * 2 / 3),
  19             size: CGSize(width: vertexSize.width / 2, height: vertexSize.height * 2)
  20           ), cornerSize: cornerSize)
  21       }.fill(Color.map.blockerColor)
  22     }
  23   }
  24
  25   func h(_ dimension: CGFloat) -> CGFloat {
  26     max(0.0, min(mapSize.height, dimension * mapSize.height / 100.0))
  27   }
  28
  29   func w(_ dimension: CGFloat) -> CGFloat {
  30     max(0.0, min(mapSize.width, dimension * mapSize.width / 100.0))
  31   }
  32 }
  33
  34 struct MapBlockers_Previews: PreviewProvider {
  35   static var previews: some View {
  36     MapBlockers(
  37       mapSize: CGSize(width: 400.0, height: 400.0), vertexSize: CGSize(width: 25.0, height: 25.0),
  38       blockers: [
  39         Blocker(id: 0, position: CGPoint(x: 50.0, y: 50.0)),
  40         Blocker(id: 1, position: CGPoint(x: 10.0, y: 20.0)),
  41       ])
  42   }
  43 }