add score display, and game over splash screen

game_over.pde

@@ -0,0 +1,65 @@
+class GameOverSplash {
+  int rectSize;
+  int screenWidth;
+  PVector[] fallingRects;
+  int hasFallen;
+  boolean animationOver;
+
+  GameOverSplash(int screenWidth, int rectSize) {
+    this.rectSize = rectSize;
+    this.screenWidth = screenWidth;
+
+    int numRects = screenWidth / rectSize;
+    fallingRects = new PVector[numRects];
+    hasFallen = 0;
+    animationOver = false;
+
+    for (int i=0; i < numRects; i++) {
+      //Create random number from -rectSize to -rectSize*4 <- ???
+      int rectX = i * rectSize;
+      int rectY = (int) random(-rectSize * 8, -rectSize);
+
+      fallingRects[i] = new PVector(rectX, rectY);
+
+    }
+  }
+
+  void animate(int score) {
+    for (int i=0; i<fallingRects.length; i++) {
+      if (fallingRects[i].y <= height - rectSize && hasFallen < ((1<<fallingRects.length)-1)) {
+        fill(51);
+        rect(fallingRects[i].x, fallingRects[i].y, rectSize, rectSize);
+
+        fill(255);
+        fallingRects[i].y += 8;
+        if (fallingRects[i].y >= height - rectSize) {
+          rect(fallingRects[i].x, height - rectSize, rectSize, rectSize);
+
+          int mask = 1<<i;
+          hasFallen = hasFallen | mask;
+          print("i: "); print(i);
+          print(", Mask: "); print(Integer.toString(mask, 2));
+          print(", hasFallen: "); print(Integer.toString(hasFallen, 2));
+          print(", all ones: "); println(Integer.toString( ((1<<fallingRects.length)-1), 2));
+        }
+        else {
+          rect(fallingRects[i].x, fallingRects[i].y, rectSize, rectSize);
+        }
+      }
+    }
+
+    if (hasFallen == ((1<<fallingRects.length)-1)) {
+      animationOver = true;
+
+      fill(255);
+      textAlign(CENTER);
+      textSize(32);
+      text("Game Over", width/2, height/3);
+      textSize(18);
+      text("Final score: " + String.valueOf(score) + "\nPress any key to restart",
+           width/2, height/3 + 40);
+      rectMode(CORNER);
+    }
+
+  }
+}

score.pde

@@ -0,0 +1,18 @@
+class Score {
+  int score;
+
+  Score() {
+    score = 0;
+  }
+
+  void increase() {
+    score++;
+  }
+
+  void show() {
+    fill(255);
+    textAlign(RIGHT);
+    textSize(10);
+    text("Score: " + String.valueOf(score), width-5, 15);
+  }
+}

snake.pde

@@ -1,14 +1,14 @@
 /* Todo:
     - make game consistent when frame rate changes
-    - add a score display
-    - add a game over splash screen or printed word
+    - figure out why rendering text takes so long on start up
     - add a new game splash screen
-    - add a snake death blink
-    - add some music/sound effects
+    - add read me
 */
 
 PlayerSnake snake;
 Food food;
+Score score;
+GameOverSplash gameOverSplash;
 boolean gameOver;
 
 int rectSize = 20;
@@ -22,18 +22,23 @@ void settings() {
 
 void setup() {
   background(51);
+  textSize(32);
 
   snake = new PlayerSnake(rectSize);
   food = new Food(rectSize);
+  score = new Score();
+  gameOverSplash = new GameOverSplash(width, rectSize);
 
   food.update();
   food.show();
 
+  score.show();
+
   gameOver = false;
 }
 
 void keyPressed() {
-  if (gameOver) {
+  if (gameOver && gameOverSplash.animationOver) {
     setup();
   }
   else {
@@ -47,6 +52,7 @@ void draw() {
   if (!gameOver && updateGame) {
     if (snake.eat(food)) {
       snake.growTail();
+      score.increase();
       do {
         food.update();
       } while (food.isOnSnake(snake.x, snake.y, snake.tail));
@@ -57,10 +63,14 @@ void draw() {
       background(51);
       food.show();
       snake.show();
+      score.show();
     }
     else {
       gameOver = true;
     }
   }
+  else if (gameOver) {
+    gameOverSplash.animate(score.score);
+  }
 }