int x = 215; int y = 45; void setup() { size(480, 480); background(150); frameRate(100); } void draw() { if (keyPressed && (key == CODED)) { // If it's a coded key if (keyCode == LEFT && x > 0) { // If it's the left arrow x--; } if(keyCode == UP && y > 0){ y--; } if(keyCode == DOWN && y < 480-25){ y++; } if (keyCode == RIGHT && x < 480-25) { // If it's the right arrow x++; } else{ x = x; y = y; } } fill(255,0,0); // fill color for dot rect(x, y, 5, 5); fill(0); // fill color for line if(keyPressed && (key != CODED)){ background(150); } }