Add new file

Snake

+//Arrays for when the snake eats another block is added 
+ArrayList<Integer> x = new ArrayList<Integer>();
+ArrayList<Integer> y = new ArrayList<Integer>();
+
+//Size of the grid and snake
+int w=30, h=30, blockSize=20;
+
+//Starting direction of the snake (Right)
+int direction = 2;
+
+//Starting position of the apple, before randomise.
+int applex=1, appley=10;
+
+//Direction X and Y of the snake
+int[]dirx={0, 0, 1, -1};
+int[]diry={1, -1, 0, 0};
+
+//sets the game state, which allows the game to restart
+boolean gameover=false;
+
+void setup() { 
+  //Size of Window
+  size(600, 600); 
+  
+  //Starting Position
+  x.add(5); 
+  y.add(5); 
+}
+
+void draw() {  
+   //Background Colour
+  background(192, 192, 192);
+  //Draws the grids
+  for (int i=0; i<w; i++) line(i*blockSize, 0, i*blockSize, height);
+  for(int i=0; i<h; i++) line(0, i*blockSize, width, i*blockSize);
+  
+  //Draws the snake
+  fill(34, 139, 34); 
+  for (int i = 0 ; i < x.size(); i++) 
+  rect(x.get(i)*blockSize, y.get(i)*blockSize, blockSize, blockSize);
+  
+  //Draws the apple
+  if (!gameover) {  
+    fill(255, 0, 0); 
+  rect(applex*blockSize, appley*blockSize, blockSize, blockSize); 
+  
+  //FrameRate
+  if (frameCount%7==0) {
+      x.add(0, x.get(0) + dirx[direction]); 
+      y.add(0, y.get(0) + diry[direction]);
+   
+  //Boundries, so game ends if touch sides    
+  if(x.get(0) < 0 || y.get(0) < 0 || x.get(0) >= w || y.get(0) >= h) gameover = true;
+      
+  
+  //If snake eats apple, add length and randomise apple position    
+  if (x.get(0)==applex && y.get(0)==appley) { 
+    applex = (int)random(0, w); 
+    appley = (int)random(0, h); }
+    else { x.remove(x.size()-1); y.remove(y.size()-1); }
+    }
+ }
+ //Game end screen, that allows for restarts
+  else {
+    fill(0); 
+    textSize(30); 
+    textAlign(CENTER); 
+    text("GAME OVER. Press space to Restart",width/2,height/2);
+    if(keyPressed&&key==' ') { 
+    x.clear();
+    y.clear();
+    x.add(5);  
+    y.add(5); 
+    gameover = false; }
+  }
+}
+
+//Direction
+void keyPressed() { 
+  int newdir = key=='s'? 0:(key=='w'?1:(key=='d'?2:(key=='a'?3:-1)));
+  if (newdir != -1) direction = newdir;
+}
\ No newline at end of file