reviewed.pde

import java.awt.AWTException;
import java.awt.Robot;
Robot robot;
float turn;
boolean SOOPASPEED;
int fullspeed = 6;
int regspeed  = 1;
PVector pos;
PVector velocity = new PVector(0, 0); // initially, you're not moving.

void setup() {
  size(displayWidth, displayHeight, P2D);
  noCursor();
  smooth();
  robot = makeRobot();
  pos = new PVector(width / 2, height / 2);
}

void draw() {
  background(255);
  fill(0);
  drawPlayer();
  updatePosition();
}

void drawPlayer() {
  pushMatrix();
  translate(pos.x, pos.y);
  rotate(turn);

  noFill();
  strokeWeight(4.0);
  stroke(0);
  triangle(10.0, 0.0, 0.0, -34.6, -10.0, 0.0);
  popMatrix();
}

void updatePosition() {
  PVector v = velocity.get(); 
  v.rotate(turn);
  if (SOOPASPEED) {
    v.mult(fullspeed);
  } 
  pos.add(v);
  wrap(pos);  
}

void mouseMoved() {
  turn += 0.0025 * constrain(mouseX - width / 2, -100, 100);
  robot.mouseMove(width / 2, height / 2);
}

void wrap(PVector p) {
  if (p.x > width) {
    p.x = 0;
  } 
  else if (p.x < 0) {
    p.x = width;
  }

  if (p.y > height) {
    p.y = 0;
  } 
  else if (p.y < 0) {
    p.y = height;
  }
}

Robot makeRobot() {
  try { 
    return new Robot();
  } 
  catch (AWTException e) {
    e.printStackTrace();
  }
  return null;
}

boolean sketchFullScreen() {
  return true;
}

void keyPressed() {
  if (key == 'a' || key == 'A') { 
    velocity.x -= regspeed;
  }
  else if (key == 'd' || key == 'D') { 
    velocity.x += regspeed;
  }
  else if (key == 's' || key == 'S') { 
    velocity.y += regspeed;
  }
  else if (key == 'w' || key == 'W') { 
    velocity.y -= regspeed;
  }
  else if (key == CODED && keyCode == SHIFT) { 
    SOOPASPEED = true;
  }
}

void keyReleased() {
  if (key == 'a' || key == 'A') { 
    velocity.x += regspeed;
  }
  else if (key == 'd' || key == 'D') { 
    velocity.x -= regspeed;
  }
  else if (key == 's' || key == 'S') { 
    velocity.y -= regspeed;
  }
  else if (key == 'w' || key == 'W') { 
    velocity.y += regspeed;
  }
  else if (key == CODED && keyCode ==  SHIFT) { 
    SOOPASPEED = false;
  }
}