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import SwiftUI
struct MapAxes: View {
let mapSize: CGSize
let lineWidth: CGFloat
let evolution: Stage
let stages: [CGFloat]
let stageHeight = CGFloat(100.0)
let padding = CGFloat(5.0)
var body: some View {
ZStack(alignment: .topLeading) {
// Axis Lines
Path { path in
path.move(to: CGPoint(x: 0, y: 0))
path.addLine(to: CGPoint(x: 0, y: mapSize.height))
path.addLine(to: CGPoint(x: mapSize.width, y: mapSize.height))
path.move(to: CGPoint(x: mapSize.width, y: mapSize.height))
path.closeSubpath()
}.stroke(Color.map.axisColor, lineWidth: lineWidth * 2)
// Y Labels
Text("Visible").font(.theme.axisLabel).foregroundColor(.map.labelColor).rotationEffect(Angle(degrees: -90.0))
.offset(CGSize(width: -35.0, height: 0.0))
Text("Invisible").font(.theme.axisLabel).foregroundColor(.map.labelColor).rotationEffect(Angle(degrees: -90.0))
.offset(CGSize(width: -40.0, height: mapSize.height - 20))
// X Labels
Text("Uncharted")
.font(.theme.axisLabel)
.foregroundColor(.map.labelColor)
.frame(width: mapSize.width / 4, height: stageHeight / 2.0, alignment: .topLeading)
.offset(CGSize(width: 0.0, height: -stageHeight / 4.0))
Text("Industrialised")
.font(.theme.axisLabel)
.foregroundColor(.map.labelColor)
.frame(width: mapSize.width / 4, height: stageHeight / 2.0, alignment: .topLeading)
.offset(CGSize(width: mapSize.width - 100.0, height: -stageHeight / 4.0))
Text(evolution.i)
.font(.theme.axisLabel)
.foregroundColor(.map.labelColor)
.frame(width: w(stages[0]), height: stageHeight, alignment: .topLeading)
.offset(CGSize(width: 0.0, height: mapSize.height + padding))
Text(evolution.ii)
.font(.theme.axisLabel)
.foregroundColor(.map.labelColor)
.frame(width: w(stages[1]) - w(stages[0]), height: stageHeight, alignment: .topLeading)
.offset(CGSize(width: w(stages[0]), height: mapSize.height + padding))
Text(evolution.iii)
.font(.theme.axisLabel)
.foregroundColor(.map.labelColor)
.frame(width: w(stages[2]) - w(stages[1]), height: stageHeight, alignment: .topLeading)
.offset(CGSize(width: w(stages[1]), height: mapSize.height + padding))
Text(evolution.iv)
.font(.theme.axisLabel)
.foregroundColor(.map.labelColor)
.frame(width: mapSize.width - w(stages[2]), height: stageHeight, alignment: .topLeading)
.offset(CGSize(width: w(stages[2]), height: mapSize.height + padding))
}
}
func w(_ dimension: CGFloat) -> CGFloat {
max(0.0, min(mapSize.width, dimension * mapSize.width / 100.0))
}
}
struct MapAxes_Previews: PreviewProvider {
static var previews: some View {
MapAxes(
mapSize: CGSize(width: 200.0, height: 200.0), lineWidth: CGFloat(1.0),
evolution: Stage.stages(.general), stages: [25.0, 50.0, 75.0]
).padding(50.0)
}
}
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