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Copy pathSnakeGame.java
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143 lines (132 loc) · 4.6 KB
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import java.util.*;
import java.io.*;
class SnakeGame {
static boolean gameover = false;
static int width = 40, height = 20;
static int fruitxy[] = {6,3};
static int snakex = width/2, snakey = 1;
static int tailx = snakex + 2, taily = snakey;
static String[][] backarray = new String[height][width];
static int score = 0;
static void backGround() {
int fruity = fruitxy[0];
int fruitx = fruitxy[1];
for (int i = 0; i < height ; i++) {
for (int j = 0; j < width; j++) {
if (i == 0 || j == 0 || j == width - 1 || i == height - 1) {
backarray[i][j] = "#";
} else if (i == fruity && j == fruitx) {
backarray[i][j] = "@";
} else if (backarray[i][j] != "0") {
backarray[i][j] = " ";
}
}
}
};
static void screen() {
for (int i = 0; i < height; i++) {
for (int j = 0; j < width; j++) {
System.out.print(backarray[i][j]);
}
System.out.println();
}
}
static void input() {
System.out.print("Enter your move (w a s d) : ");
Scanner sc = new Scanner(System.in);
char input = sc.next().charAt(0);
int fruity = fruitxy[0];
int fruitx = fruitxy[1];
switch (input) {
case 'w' :
if (backarray[snakey - 1][snakex] == "0" || backarray[snakey - 1][snakex] == "#") {
gameover = true;
return;
}
snakey--;
if (snakey == fruity && snakex == fruitx) {
score++;
fruitCoords();
} else {
newTail();
}
backarray[snakey][snakex] = "0";
break;
case 'a' :
if (backarray[snakey][snakex - 1] == "#" || backarray[snakey][snakex - 1] == "0") {
gameover = true;
return;
}
snakex--;
if (snakex == fruitx && snakey == fruity) {
score++;
fruitCoords();
} else {
newTail();
}
backarray[snakey][snakex] = "0";
break;
case 's' :
if (backarray[snakey + 1][snakex] == "#" || backarray[snakey + 1][snakex] == "0") {
gameover = true;
return;
}
snakey++;
if (snakey == fruity && snakex == fruitx) {
score++;
fruitCoords();
} else {
newTail();
}
backarray[snakey][snakex] = "0";
break;
case 'd' :
if (backarray[snakey][snakex + 1] == "#" && backarray[snakey][snakex + 1] == "0") {
gameover = true;
return;
}
snakex++;
if (snakex == fruitx && snakey == fruity) {
score++;
fruitCoords();
} else {
newTail();
}
backarray[snakey][snakex] = "0";
break;
case 'y' :
gameover = true;
return;
default :
System.out.println("Invalid Input");
input();
}
};
static void newTail() {
if (backarray[taily][tailx - 1] == "0") backarray[taily][tailx--] = " ";
if (backarray[taily][tailx + 1] == "0") backarray[taily][tailx++] = " ";
if (backarray[taily - 1][tailx] == "0") backarray[taily--][tailx] = " ";
if (backarray[taily + 1][tailx] == "0") backarray[taily++][tailx] = " ";
}
static void fruitCoords() {
Random rand = new Random();
do {
fruitxy[1] = rand.nextInt(height);
fruitxy[0] = rand.nextInt(width);
} while (backarray[fruitxy[1]][fruitxy[0]] == "0" || backarray[fruitxy[1]][fruitxy[0]] == "#");
backarray[fruitxy[1]][fruitxy[0]] = "@";
};
public static void main(String[] args) {
backarray[snakey][snakex] = "0";
backarray[taily][tailx] = "0";
backarray[taily][snakex + 1] = "0";
backGround();
screen();
while (!gameover) {
input();
screen();
}
System.out.println("Game Over");
System.out.println("Your score is : " + score);
}
}