Rotation

var angle, x, y;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  x = windowWidth/2;

  ya = windowHeight/2;

  y = 0

  angle = 0;

}

​

function draw() {

  background(100);

  translate(x, ya);

  rotate(radians(angle));

  if (keyIsPressed) {

    if (key == 'a' || key == 'A') {

      angle -= 5;

    }

    else if (key == 'd' || key == 'D') {

      angle += 5;

    }

    else if (key == 'w' || key == 'W') {

      y -=5 ;

    }

    else if (key == 's' || key == 'S') {

      y += 5;

    }

  }

  triangle(0, y-10, -10, y+10, 10, y+10);

  ya = windowHeight/2 + y*cos(radians(angle));

  x = windowWidth/2 + y*sin(radians(angle));

  y = 0;

}

​

/*function keyPressed() {

  if (key == 'a' || key == 'A') {

    angle -= 5;

  }

  else if (key == 'd' || key == 'D') {

    angle += 5;

  }

}*/