snake/apple.go

package main

import (
	"math/rand"

	"github.com/gdamore/tcell/v2"
)

// getFoodItem returns an emoji from a string used to represent food
// Takes no arguments, but returns an emoji/rune from a predefined string
// func getFoodItem() rune {
// 	var foods string = "🐵🐱🐷🐁🐇🐿🦇🐓🐣🐸🦎🍎🍏"
// 	foodsRune := []rune(foods)
// 	randomIndex := rand.Intn(len(foodsRune))
// 	return foodsRune[randomIndex]
// }

// func placeApple(snakex int, snakey int) Apple {
func placeApple(snake *Snake) Apple {
	var x, y int
	var found bool

	for !found {

		x = rand.Intn(80)
		y = rand.Intn(24)

		if x != snake.head.x && y != snake.head.y {
			found = true
		}
		if x == 0 || x == 79 || y == 0 || y == 23 {
			found = false
		}
		if hitsTail(snake, x, y) {
			found = false
		}

	}

	apple := Apple{
		x: x,
		y: y,
	}

	return apple

}

func drawApple(screen tcell.Screen, style tcell.Style, apple *Apple) {
	screen.SetContent(apple.x, apple.y, 'o', nil, style)
}