Add code for first release

1 files changed, 49 insertions, 0 deletions

diff --git a/Map/MapRenderComponents/MapBlockers.swift b/Map/MapRenderComponents/MapBlockers.swift
new file mode 100644
index 0000000..b668b30
--- /dev/null
+++ b/Map/MapRenderComponents/MapBlockers.swift
@@ -0,0 +1,49 @@
+import SwiftUI
+
+struct MapBlockers: View {
+
+  @Environment(\.colorScheme) var colorScheme
+
+  let mapSize: CGSize
+  let vertexSize: CGSize
+  let blockers: [Blocker]
+
+  var color: Color {
+    MapColor.colorForScheme(colorScheme).blocker
+  }
+
+  let cornerSize = CGSize(width: 2.0, height: 2.0)
+
+  var body: some View {
+    ForEach(blockers, id: \.id) { vertex in
+      Path { path in
+        path.addRoundedRect(
+          in: CGRect(
+            origin: CGPoint(
+              x: w(vertex.position.x) + 3 * vertexSize.width,
+              y: h(vertex.position.y) - vertexSize.height * 2 / 3),
+            size: CGSize(width: vertexSize.width / 2, height: vertexSize.height * 2)
+          ), cornerSize: cornerSize)
+      }.fill(color)
+    }
+  }
+
+  func h(_ dimension: CGFloat) -> CGFloat {
+    max(0.0, min(mapSize.height, dimension * mapSize.height / 100.0))
+  }
+
+  func w(_ dimension: CGFloat) -> CGFloat {
+    max(0.0, min(mapSize.width, dimension * mapSize.width / 100.0))
+  }
+}
+
+struct MapBlockers_Previews: PreviewProvider {
+  static var previews: some View {
+    MapBlockers(
+      mapSize: CGSize(width: 400.0, height: 400.0), vertexSize: CGSize(width: 25.0, height: 25.0),
+      blockers: [
+        Blocker(id: 0, position: CGPoint(x: 50.0, y: 50.0)),
+        Blocker(id: 1, position: CGPoint(x: 10.0, y: 20.0)),
+      ])
+  }
+}