snake_game_java

package Snake;

class Main {
	static final int MAX_WIDTH = .., MAX_HEIGHT = ..;

	PrintStream out;

	//create coordinates for head, tail, apple
	//create array of the whole snake
	//create variables with: score, speed, direction, apple

	Main() {
		out = new PrintStream(System.out);
		
		//initialize speed
	}

	void start() { 
		setSpeed(speed); 
		out.printf("Press an arrow to start the game\n"); 
		//set in start position 
		while (true) { 
			game(); 
		}
	}

	void setStartPosition() {
		score = 0;
		direction = apple = null;
		newSnake();
		appleCheck();
	}
		
	void game() {
		if (//arrow is pressed) {
			processEvent(//arrow);
		} else {
			//method: check if there has to be a new apple
			//method: delete the current snake
			//method: you can go through the "walls"/sides
			//method: determine direction
			//method: place (new) snake
			//method: check if you are game over
			showChanges();
		}
	}
	void processEvent(Event event) {
		if (//arrow left) {
			if (//direction is not right) {
				direction = "left";
			}
		} else if (//arrow right) {
			if (//direction is not left) {
				direction = "right";
			}
		} else if (//arrow up) {
			if (//directon is not down) {
				direction = "up";
			}
		} else if (//arrow down) {
			if (//direction is not up) {
				direction = "down";
			}
		}
	}

	void deleteCurrentSnake() {
		//loop through the whole snake array and delete every element
	}

	void appleCheck() {
		if (appleResult() == "true") {
			setApple();
			//place on the obtained coordinates an apple
			out.printf("score= %d\n", score);
		}
	}

	String appleResult() {
		if (//start position) {
			apple = "true";
		} else if (//you hit the apple) {
			apple = "true";
			score++;
			snake.numberOfElements++;
		} else {
			apple = "false";
		}
		return apple;
	}

	void setApple() {
		Random randomGenerator = new Random();
		coordinateApple = new Coordinate(randomGenerator.nextInt(MAX_WIDTH), randomGenerator.nextInt(MAX_HEIGHT));
		if (//apple is placed on the snake) {
			setApple();
		}
	}

	void makePermeableSides() {
		if (coordinateHeadSnake != null) {
			if (//direction is right and coordinateHeadSnake.x is bigger than the width) {
				coordinateHeadSnake = new Coordinate(-1, coordinateHeadSnake.y);
			} else if (//direction is left and coordinateHeadSnake.x <= 0) {
				coordinateHeadSnake = new Coordinate(MAX_WIDTH, coordinateHeadSnake.y);
			} else if (//direction is down and coordinateHeadSnake.x is bigger than the height) {
				coordinateHeadSnake = new Coordinate(coordinateHeadSnake.x, -1);
			} else if (//direction is up and coordinateHeadSnake.x <= 0) {
				coordinateHeadSnake = new Coordinate(coordinateHeadSnake.x, MAX_HEIGHT);
			}
		}
	}

	void setDirection() {
		if (//not direction not null) {
			if (//direction left) {
				coordinateHeadSnake = new Coordinate(coordinateHeadSnake.x - 1, coordinateHeadSnake.y);
			} else if (//direction right) {
				coordinateHeadSnake = new Coordinate(coordinateHeadSnake.x + 1, coordinateHeadSnake.y);
			} else if (//direction up) {
				coordinateHeadSnake = new Coordinate(coordinateHeadSnake.x, coordinateHeadSnake.y - 1);
			} else if (//direction down) {
				coordinateHeadSnake = new Coordinate(coordinateHeadSnake.x, coordinateHeadSnake.y + 1);
			}
			snake.moveSnake(coordinateHeadSnake);
		}
	}

	void placeSnake() {
		//place the whole snake array
	}

	void checkGameOver() {
		if (// the snake hits itself) {
			out.printf("Game Over -_-\n" + "Press an arrow to start another game\n");
			//clear the whole field
			//reset ==> go to start position
		}
	}
	void newSnake() {
		coordinateHeadSnake = new Coordinate(0,1);
		coordinateTail = new Coordinate(0,0);
		snake = new Snake();
		snake.addCoordinateAtTheBack(coordinateHeadSnake);
		snake.addCoordinateAtTheBack(coordinateTail);	
	}

	void place(int x, int y, Object type) { 
		//method that places a new element in the game	
	}
			
	void showChanges() {
		//method that shows your array	
	}
	void setSpeed(speed) {
		//method that sets framesPerSecond to speed you want	
	}
			
	public static void main(String[] args) {
		new Main().start();
	}
}