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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)),
])
}
}
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