Swiftui game source code Encyclopedia of Snake game based on geometryreader and preference

Actual combat needs

SwiftUI The game source code Encyclopedia of greedy Snake game is based on GeometryReader and Preference

The value and harvest of this paper

After reading this article , You will be able to make the following interface

The rules of the game

When you grab a circle , The snake will grow for a while . Accidentally caught a star , Or miss a circle completely [ Into a star ], The snake shrinks a little . The final game is when the snake has no more segments to lose .

Code design

1. The project framework

ZStack(alignment: .center) {
	ForEach((0..<foods), id: \.self) { idx in
	// Draw obstacles and food 
	}
	if joints > 0 {
	// If you eat snakes too much, your body is still , Draw greedy snake 
	}
	else {
     // The game is over 
	}

2. adopt RoundedRectangle and PreferenceViewSetter Draw the snake's body

RoundedRectangle(cornerRadius: 8)
  .stroke(Color.black, lineWidt