func initialize() {
// 初始化蛇的位置和方向、首尾；初始化随机数
head, tail = loct{4, 4}, loct{4, 4}
lead, size = 'R', 1
area[4][4] = 'H'
rand.Seed(int64(time.Now().Unix()))
defer syscall.FreeLibrary(kernel32)
SetConsoleTextAttribute(hCon, 0x0075)
// 输出初始画面
fmt.Println(" ^0^$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$^0^ ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" || || ")
fmt.Println(" ^0^$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$^0^ ")
// 使用一个单独的go程来捕捉键盘的动作，因为是单独的，不怕阻塞
go func() {
for { // 函数只写入lead，外部只读取lead，无需设锁
switch byte(C.direct()) {
case 72:
lead = 'U'
case 75:
lead = 'L'
case 77:
lead = 'R'
case 80:
lead = 'D'
case 32:
lead = 'P'
}
}
}()
}
func init() {
// 初始化蛇的位置和方向、首尾；初始化随机数
area[4][4] = 'H'
rand.Seed(int64(time.Now().Unix()))
// 输出初始画面
fmt.Fprintln(os.Stderr,
`
#-----------------------------------------#
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#-----------------------------------------#
`)
// 我们使用一个单独的go程来捕捉键盘的动作，因为是单独的，不怕阻塞
go func() {
for { // 函数只写入lead，外部只读取lead，无需设锁
switch byte(C.direct()) {
case 72:
lead = 'U'
case 75:
lead = 'L'
case 77:
lead = 'R'
case 80:
lead = 'D'
case 32:
lead = 'P'
}
}
}()
}