Diamond.swift

import SwiftUI

struct Diamond: Shape {
    
    func path(in rect: CGRect) -> Path {
        let (x, y, width, height) = rect.centeredSquare.flatten()
        let lowerPoint = CGPoint(x: x + width / 2, y: (y + height ))
        
        let path = Path { p in
            p.move(to: lowerPoint)
            p.addArc(center: CGPoint(x: x, y: (y + height)),
                radius: (width / 2),
                startAngle: .A360,
                endAngle: .A270,
                clockwise: true)
            p.addArc(center: CGPoint(x: x, y: y),
                radius: (width / 2),
                startAngle: .A90,
                endAngle: .zero,
                clockwise: true)
            p.addArc(center: CGPoint(x: x + width, y: y),
                radius: (width / 2),
                startAngle: .A180,
                endAngle: .A90,
                clockwise: true)
            p.addArc(center: CGPoint(x: x + width, y: y + height),
                radius: (width / 2),
                startAngle: .A270 ,
                endAngle: .A180,
                clockwise: true)
        }
        return path
    }
    
}