As title, enemy planes flying in and out to test the $character in never falling

 
# include 
# include 
# include 
Int position_x position_y;//the plane position 
Int wide, high;//area 
Int enemy_x enemy_y;//the enemy position 
Int victor. 
Void HideCusor ()//hide the cursor 
{
CONSOLE_CURSOR_INFO cursor_info={1, 0};//value is 0, the second said to hide the cursor 
SetConsoleCursorInfo (GetStdHandle (STD_OUTPUT_HANDLE), & amp; Cursor_info); 
} 
Void gotoxy (int x, int y)//the cursor 
{
HANDLE HANDLE=GetStdHandle (STD_OUTPUT_HANDLE); 
COORD pos. 
Pos. X=X; 
Pos. Y=Y; 
SetConsoleCursorPosition (handle, pos); 
} 
Void startup initialization ()//
{
Wide=30; 
High=20; 
Position_x=wide/2; 
Position_y=high - 3; 
Enemy_x=5; 
Enemy_y=0; 
Victor=1; 
HideCusor (); 
} 
Void the show () 
//functions: display the game interface 
{
Gotoxy (0, 0);//the cursor to the origin 
int i, j;//row count and column count 
for (i=0; I & lt; High; I++) 
{
For (j=0; J & lt; wide; J++) 
{
If ((I==position_y) & amp; & (j==position_x))//plane 
Printf (" * "); 
Else if ((I==enemy_y) & amp; & (j)==enemy_x)//enemy planes 
Printf (" $"); 
The else 
Printf (" "); 
If ((enemy_x==position_x) & amp; & (enemy_y==position_y))//judge the outcome 
{
Enemy_y=1; 
Victor=0; 
} 

} 
printf("\n"); 
} 

} 
Void UpdateWithoutInput () 
{
//function: control the enemy move 

Static int speed;//slow the progress of the $down 
Srand ((unsigned) time (NULL)); 
If (speed & lt; 100) 
Speed 20 +=rand () % 100; 
If (speed==100) 
{
If (enemy_y & gt; High) 
{
Enemy_x=rand () % of 31; 
Enemy_y=0; 
} 
The else 
{
Enemy_y + +; 
Speed=0; 
} 
} 
} 
Void UpdateWithInput () 
//function: through the button control their movements 
{
Char input; 
If (_kbhit ()) 
{
Input=_getch ();//enter 
If (input=='w') 
Position_y -; 
If (input=='s') 
Position_y + +; 
If (input=='a') 
Position_x -; 
If (input=='d') 
Position_x + +; 

} 
} 
Int main () 
{
Printf (" ready to start? \n"); 
Char ready=_getch (); 
If (ready=='y') {
Startup (); 
While (victor) 
{
Show (); 
UpdateWithoutInput (); 
UpdateWithInput (); 
} 
Printf (" GAME OVER! \ nhaha \ n "); 

} 
Printf (" game over "); 
return 0; 
}