Rating Control SwiftUI

	import SwiftUI
	import PlaygroundSupport
	// Rating Control
	// From: https://www.hackingwithswift.com/books/ios-swiftui/adding-a-custom-star-rating-component
	// Uses images with tap gesture, not button. (Is image with tap gesture a basic button?)

	struct RatingControl: View {
	var maxRating = 5
	@State var rating = 0

	// Image(systemName:) uses SF Symbols.
	var offImage = Image(systemName: "star")
	var onImage = Image(systemName: "star.fill")

	func image(for number: Int) -> Image {
	if number > rating {
	return offImage ?? onImage
	} else {
	return onImage
	}
	}

	var body: some View {
	VStack {
	Text("Rating Control")
	HStack {
	ForEach(1..<maxRating + 1) { number in
	self.image(for: number)
	//.foregroundColor(number > self.rating ? self.offColor : self.onColor)
	.onTapGesture { self.rating = number }
	}
	}
	}
	}
	}

	PlaygroundPage.current.setLiveView(RatingControl())