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-rw-r--r--Map/MapRenderComponents/MapEdges.swift92
1 files changed, 0 insertions, 92 deletions
diff --git a/Map/MapRenderComponents/MapEdges.swift b/Map/MapRenderComponents/MapEdges.swift
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index d40d2aa..0000000
--- a/Map/MapRenderComponents/MapEdges.swift
+++ /dev/null
@@ -1,92 +0,0 @@
-//
-// MapEdges.swift
-// Map
-//
-// Created by Ruben Beltran del Rio on 2/2/21.
-//
-
-import SwiftUI
-
-struct MapEdges: View {
-
- @Environment(\.colorScheme) var colorScheme
-
- let mapSize: CGSize
- let lineWidth: CGFloat
- let vertexSize: CGSize
- let edges: [MapEdge]
-
- let arrowheadSize = CGFloat(10.0)
-
- var color: Color {
- MapColor.colorForScheme(colorScheme).foreground
- }
-
- var body: some View {
- ForEach(edges, id: \.id) { edge in
- Path { path in
-
- // First we transform edges from percentage to map coordinates
- let origin = CGPoint(x: w(edge.origin.x), y: h(edge.origin.y))
- let destination = CGPoint(x: w(edge.destination.x), y: h(edge.destination.y))
-
- let slope = (destination.y - origin.y) / (destination.x - origin.x)
- let angle = atan(slope)
- let multiplier = CGFloat(slope < 0 ? -1.0 : 1.0)
- let upperAngle = angle - CGFloat.pi / 4.0
- let lowerAngle = angle + CGFloat.pi / 4.0
-
- let offsetOrigin = CGPoint(
- x: origin.x + multiplier * (vertexSize.width / 2.0) * cos(angle),
- y: origin.y + multiplier * (vertexSize.height / 2.0) * sin(angle))
- let offsetDestination = CGPoint(
- x: destination.x - multiplier * (vertexSize.width / 2.0) * cos(angle),
- y: destination.y - multiplier * (vertexSize.height / 2.0) * sin(angle))
-
- path.move(to: offsetOrigin)
- path.addLine(to: offsetDestination)
-
- if edge.arrowhead {
- path.move(to: offsetDestination)
- path.addLine(
- to: CGPoint(
- x: offsetDestination.x - multiplier * arrowheadSize * cos(upperAngle),
- y:
- offsetDestination.y - multiplier * arrowheadSize * sin(upperAngle)))
-
- path.move(to: offsetDestination)
- path.addLine(
- to: CGPoint(
- x: offsetDestination.x - multiplier * arrowheadSize * cos(lowerAngle),
- y:
- offsetDestination.y - multiplier * arrowheadSize * sin(lowerAngle)))
- }
- path.move(to: offsetDestination)
- path.closeSubpath()
- }.applying(
- CGAffineTransform(translationX: vertexSize.width / 2.0, y: vertexSize.height / 2.0)
- ).stroke(color, lineWidth: lineWidth)
- }
- }
-
- 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 MapEdges_Previews: PreviewProvider {
- static var previews: some View {
- MapEdges(
- mapSize: CGSize(width: 400.0, height: 400.0), lineWidth: 1.0,
- vertexSize: CGSize(width: 25.0, height: 25.0),
- edges: [
- MapEdge(
- id: 1, origin: CGPoint(x: 2.0, y: 34.0), destination: CGPoint(x: 23.0, y: 76.2),
- arrowhead: true)
- ])
- }
-}