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53e6bfdf4d
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44f2c5a41d |
2
game.go
2
game.go
@ -93,7 +93,7 @@ func gameDirector(screen tcell.Screen, style tcell.Style, keypresses chan int, g
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// Draw the screen
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drawBox(screen, style, 0, 0, screenx-1, screeny-1)
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drawCoords(screen, style, &snake)
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//drawCoords(screen, style, &snake)
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drawApple(screen, style, &apple)
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drawSnake(screen, style, &snake)
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drawScore(screen, style, score)
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67
snake.go
67
snake.go
@ -35,6 +35,8 @@ func initSnake(snakex *int, snakey *int) Snake {
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func drawSnake(screen tcell.Screen, style tcell.Style, snake *Snake) {
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var tail []rune
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// Reverse tail, chop of the excesses,
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snake.tail = ReverseSlice(snake.tail)
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if len(snake.tail) > snake.length {
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@ -43,9 +45,32 @@ func drawSnake(screen tcell.Screen, style tcell.Style, snake *Snake) {
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// reverse it back to the original order, replace the tail in `snake`
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snake.tail = ReverseSlice(snake.tail)
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for i, j := range snake.tail {
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// The Tail end
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if i == 0 {
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left := getDirection(j, snake.tail[i+1])
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right := getDirection(j, snake.tail[i+1])
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tail = append(tail, getLineType(left, right))
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// The Bit behind the head
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} else if i == len(snake.tail)-1 {
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left := getDirection(j, snake.tail[i-1])
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right := getDirection(j, snake.head)
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tail = append(tail, getLineType(left, right))
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// The body of the snake
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} else {
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left := getDirection(j, snake.tail[i-1])
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right := getDirection(j, snake.tail[i+1])
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tail = append(tail, getLineType(left, right))
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}
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}
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// Draw the body
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for _, segment := range snake.tail {
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screen.SetContent(segment.x, segment.y, '+', nil, style)
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for i, segment := range snake.tail {
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screen.SetContent(segment.x, segment.y, tail[i], nil, style)
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}
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// Draw the head, make sure it is on top of everything
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@ -109,3 +134,41 @@ func validateDirection(snake *Snake, direction int) bool {
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return true
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}
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}
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func getDirection(from Position, to Position) int {
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var direction int
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if from.x-to.x == 1 {
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direction = Left
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} else if from.x-to.x == -1 {
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direction = Right
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} else if from.y-to.y == 1 {
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direction = Up
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} else if from.y-to.y == -1 {
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direction = Down
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}
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return direction
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}
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func getLineType(from int, to int) rune {
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var lineType rune
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if (from == Left && to == Down) || (from == Down && to == Left) {
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lineType = '┐'
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} else if (from == Up && to == Right) || (from == Right && to == Up) {
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lineType = '└'
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} else if (from == Left && to == Right) || (from == Right && to == Left) {
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lineType = '─'
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} else if (from == Left && to == Up) || (from == Up && to == Left) {
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lineType = '┘'
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} else if (from == Right && to == Down) || (from == Down && to == Right) {
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lineType = '┌'
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} else if (from == Up && to == Down) || (from == Down && to == Up) {
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lineType = '│'
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}
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return lineType
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}
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