alert("Update: Buttons removed. Swipe with finger or use wasd keys to turn the snake. Snake has been slowed."); // Store each head var heads = []; var score = 0; function setup() { createCanvas(window.innerWidth, window.innerHeight * 0.99); pixel_size = width / 35; heads.push(new Snake()); heads[0].xPos = pixel_size; heads[0].yPos = height / 2; Snake.direction = 3; apple = new Apple(); apple.newApple(); frameRate (30); } function draw() { background(75); appleCollectCheck(); playerMoveCheck(); playerDieCheck(); drawSnake(); drawApple(); } /* Move the snakr when move or finger is dragged */ function mouseDragged(){ // right if (pmouseX - mouseX < -8 && pmouseY - mouseY < 8 ) playerMoveCheck (3); // left else if (pmouseX - mouseX > 8 && pmouseY - mouseY < 8) playerMoveCheck (1); // up else if (pmouseY - mouseY < -8 && pmouseX - mouseX < 8) playerMoveCheck (2); // down else if (pmouseY - mouseY > 8 && pmouseX - mouseX < 8) playerMoveCheck (0); } /* Changing snakes direction, applied by dragging Moving the Snake */ function playerMoveCheck(directionCall){ if((key == "d" && Snake.direction != 1) || directionCall == 3) Snake.direction = 3; else if ((key == "s" && Snake.direction != 0) || directionCall == 2) Snake.direction = 2; else if ((key == "a" && Snake.direction != 3) || directionCall == 1) Snake.direction = 1; else if ((key == "w" && Snake.direction != 2) || directionCall == 0) Snake.direction = 0; // Move each head to where previous head was for(var i = heads.length - 1; i > 0; i--) { heads[i].xPos = heads[i - 1].xPos; heads[i].yPos = heads[i - 1].yPos; } // amove first head forward heads[0].move(); } /* Check if the player touches another piece of the snake. Since the snake does not move off the edge, touching the edge of the screen will push a previous head into the main head, making the player lose. */ function playerDieCheck(){ for(var i = 1; i < heads.length; i++) { var distanceX = abs(heads[0].xPos - heads[i].xPos); var distanceY = abs(heads[0].yPos - heads[i].yPos); if(distanceX < pixel_size - 1 && distanceY < pixel_size - 1) gameOver(); } } /* Check if snake head touches an apple */ function appleCollectCheck(){ for(var i = 0; i < heads.length; i++) { var distanceX = abs(heads[i].xPos - apple.xPos); var distanceY = abs(heads[i].yPos - apple.yPos); if (distanceX <= pixel_size * 2 && distanceY <= pixel_size * 2) { apple.newApple(); heads.push(new Snake()); ++score; } } } // Drawing snake heads function drawSnake(){ fill(255); for(var i = 0; i < heads.length; i++) rect(heads[i].xPos, heads[i].yPos, pixel_size, pixel_size); } // Drawingapple function drawApple(){ fill(255, 0, 0); rect(apple.xPos, apple.yPos, pixel_size * 2, pixel_size * 2); } // GG no re function gameOver(){ alert("You loose!\nFinal Score: "+score); noLoop(); } // END SKETCH CLASS // SNAKE CLASS function Snake () { Snake.direction; // up, left, down, right = 0, 1, 2, 3 this.xPos; this.yPos; // Move snake head in current direction this.move = function (){ if (Snake.direction == 0 && this.yPos - pixel_size >= 0) this.yPos -= pixel_size; else if (Snake.direction == 1 && this.xPos - pixel_size >= 0) this.xPos -= pixel_size; else if (Snake.direction == 2 && this.yPos + pixel_size <= height - pixel_size) this.yPos += pixel_size; else if (Snake.direction == 3 && this.xPos + pixel_size <= width - pixel_size) this.xPos += pixel_size; } }; // END SNAKE CLASS // APPLE CLASS function Apple () { this.xPos; this.yPos; // Creating a new apple this.newApple = function(){ do { this.xPos = random(pixel_size / 2, width - pixel_size / 2); this.yPos = random(pixel_size / 2, height - pixel_size / 3); } while(this.xPos >= width * 0.7 && this.yPos >= height * 0.7); } }; // END APPLE CLASS

Quick Snake (Processing)