JavaSnake/Snake.java at master · jacksherling/JavaSnake · GitHub

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packagesnake;
importjava.awt.Color;
importjava.awt.Font;
importjava.awt.Graphics;
importjava.awt.event.ActionEvent;
importjava.awt.event.ActionListener;
importjava.awt.event.KeyEvent;
importjava.awt.event.KeyListener;
importjava.awt.event.MouseEvent;
importjava.awt.event.MouseListener;

importjavax.swing.JFrame;
importjavax.swing.Timer;

publicclassSnakeimplementsActionListener, KeyListener {

publicstaticSnakesnake;

publicfinalstaticinttiles = 15, tileSize = 50;

publicfinalstaticintWIDTH = tiles * tileSize + 5, HEIGHT = tiles * tileSize + 28;

publicstaticintappleX, appleY, xVel = 0, yVel = 0, headX, headY;

publicstaticPart[] parts = newPart[0];

publicRendererrenderer;

publicSnake() {
JFrameframe = newJFrame();
Timertimer = newTimer(60, this);

renderer = newRenderer();

frame.add(renderer);
frame.setTitle("Snake");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(WIDTH, HEIGHT);
frame.setResizable(false);
frame.setVisible(true);

frame.addKeyListener(this);

applePos();

headX = rand(0, tiles - 1) * tileSize;
headY = rand(0, tiles - 1) * tileSize;

timer.start();
	}

publicintrand (intnum1, intnum2) {
return (int) (Math.floor(Math.random() * (num2 - num1 + 1)) + num1);
	}

publicvoidapplePos () {
appleX = rand(0, tiles - 1) * tileSize;
appleY = rand(0, tiles - 1) * tileSize;
for (Partp : parts) {
if (p.x == appleX && p.y == appleY) {
applePos();
break;
 }
 }
	}

publicvoiddie () {
headX = rand(0, tiles - 1) * tileSize;
headY = rand(0, tiles - 1) * tileSize;
parts = newPart[0];
	}

publicvoidmoveSnake () {
headX += xVel;
headY += yVel;
	}

publicbooleanapple () {
if (headX == appleX && headY == appleY) {
returntrue;
 }
returnfalse;
	}

publicvoidaddPart () {
intlength = parts.length;
if (length > 0) {
Part[] parts2 = newPart[length + 1];
for (inti = 0; i < length; i++) {
parts2[i] = parts[i];
 }
parts2[length] = newPart(parts[length - 1].x, parts[length - 1].y);
parts = parts2;
 } else {
Part[] parts2 = {newPart(headX, headY)};
parts = parts2;
 }
	}

publicvoidmoveParts () {
if (parts.length > 1) {
for (inti = parts.length - 1; i > 0; i--) {
parts[i].x = parts[i - 1].x;
parts[i].y = parts[i - 1].y;
 }
parts[0].x = headX;
parts[0].y = headY;
 } elseif (parts.length == 1) {
parts[0].x = headX;
parts[0].y = headY;
 }
	}

publicintpartCollide () {
intpos = -1;
for (inti = 0; i < parts.length; i++) {
if (parts[i].x == headX && parts[i].y == headY) {
pos = i;
break;
 }
 }
returnpos;
	}


@Override
publicvoidactionPerformed(ActionEvente) {
renderer.repaint();
	}

// drawing objects
publicvoidrepaint(Graphicsg) {

moveParts();
moveSnake();

// drawing background
g.setColor(Color.BLACK);
g.fillRect(0, 0, WIDTH, HEIGHT);

// drawing apple
g.setColor(Color.RED);
g.fillRect(appleX, appleY, tileSize, tileSize);

// drawing snake
g.setColor(Color.GREEN);
g.fillRect(headX, headY, tileSize, tileSize);

for (Partp : parts) {
g.fillRect(p.x, p.y, tileSize, tileSize);
 }

intpos = partCollide();
if (pos != -1) {
Part[] parts2 = newPart[pos];
for (inti = 0; i < pos; i++) {
parts2[i] = parts[i];
 }
parts = parts2;
 }


if (apple()) {
addPart();
applePos();
 }

if (headX < 0 || headY < 0 || headX + tileSize > WIDTH || headY + tileSize > HEIGHT) {
die();
xVel = 0;
yVel = 0;
applePos();
 }

	}

publicstaticvoidmain (String[] args) {
snake = newSnake();
	}

@Override
publicvoidkeyPressed(KeyEvente) {
// TODO Auto-generated method stub
xVel = 0;
yVel = 0;
switch (e.getKeyCode()) {
case38:
case87: yVel = -1 * tileSize;
break;
case40:
case83: yVel = 1 * tileSize;
break;
case37:
case65: xVel = -1 * tileSize;
break;
case39:
case68: xVel = 1 * tileSize;
break;
 }
	}

@Override
publicvoidkeyReleased(KeyEventarg0) {
// TODO Auto-generated method stub

	}

@Override
publicvoidkeyTyped(KeyEventarg0) {
// TODO Auto-generated method stub

	}


}