snake/render.go

66 lines
1.6 KiB
Go

package main
import (
"strconv"
"github.com/gdamore/tcell/v2"
)
// drawScore Print the score
func drawScore(screen tcell.Screen, style tcell.Style, score *Score) {
var x, y int = 5, 24
content := "[ Score: " + strconv.FormatInt(int64(score.score), 10) + " ]"
for i := 0; i < len(content); i++ {
screen.SetContent(x, y-1, rune(content[i]), nil, style)
x++
}
}
// drawCoords Print the coordinates of the head of the snake
// func drawCoords(screen tcell.Screen, style tcell.Style, snake *Snake) {
// var x, y int = 25, 24
// var snakex int = *&snake.head.x
// var snakey int = *&snake.head.y
// content := "[ x:" + strconv.Itoa(snakex) + " y: " + strconv.Itoa(snakey) + " ]"
// for i := 0; i < len(content); i++ {
// screen.SetContent(x, y-1, rune(content[i]), nil, style)
// x++
// }
// }
// drawBox Draw the outline of the box the snake can move in
func drawBox(s tcell.Screen, style tcell.Style, x1, y1, x2, y2 int) {
if y2 < y1 {
y1, y2 = y2, y1
}
if x2 < x1 {
x1, x2 = x2, x1
}
// Fill background
for row := y1; row <= y2; row++ {
for col := x1; col <= x2; col++ {
s.SetContent(col, row, ' ', nil, style)
}
}
// Draw borders
for col := x1; col <= x2; col++ {
s.SetContent(col, y1, '═', nil, style)
s.SetContent(col, y2, '═', nil, style)
}
for row := y1 + 1; row < y2; row++ {
s.SetContent(x1, row, '║', nil, style)
s.SetContent(x2, row, '║', nil, style)
}
// Only draw corners if necessary
if y1 != y2 && x1 != x2 {
s.SetContent(x1, y1, '╔', nil, style)
s.SetContent(x2, y1, '╗', nil, style)
s.SetContent(x1, y2, '╚', nil, style)
s.SetContent(x2, y2, '╝', nil, style)
}
}