/* -- PAC-MAN --
Creator: Daniel Fraser, 991502630
Course: Intro to Media Computation
Finalized: September 16, 2018
Instructor: Nicholas Hesler

Move the mouse left-to-right to make Pac-Man eat pellets.  Click the left mouse button to make the ghost "vulnerable".
*/


//Simply set up the window and background
void setup() {
  noCursor();
  size(400, 400);
  background(0);
}

void draw() {
  frameRate(60);  //Regular frame rate
  background(0);  //Black background

  //Pellets
  noStroke();
  fill(255, 255-((mouseX-100)*10));  //mouseX with alpha makes pellets transparent after Pac-Man "eats" it
  ellipse(150, height/2, 10, 10);
  fill(255, 255-((mouseX-200)*10));
  ellipse(250, height/2, 10, 10);
  fill(255, 255-((mouseX-300)*10));
  ellipse(350, height/2, 10, 10);
  fill(255);
  ellipse(300, height/2+100, 10, 10); //Vertical pellets that do not interact with Pac-Man
  ellipse(300, height/2-100, 10, 10);
  ellipse(300, height/2+200, 10, 10);
  ellipse(300, height/2-200, 10, 10);

  //Ghost
  noStroke();
  fill(255, 0, 0);
  arc(mouseX+200, height/2, 60, 60, PI, TWO_PI);        //Ghost head
  rectMode(CORNERS);
  rect(mouseX+170, height/2, mouseX+230, (height/2)+20);//Ghost bulk body
  arc(mouseX+180, (height/2)+20, 20, 30, 0, PI);        //Left squib
  arc(mouseX+200, (height/2)+20, 20, 30, 0, PI);        //Middle squib
  arc(mouseX+220, (height/2)+20, 20, 30, 0, PI);        //Right squib
  fill(255);
  ellipse(mouseX+190, (height/2)-5, 15, 30);            //Left eye
  ellipse(mouseX+210, (height/2)-5, 15, 30);            //Right eye
  fill(0);
  ellipse(mouseX+185, (height/2)-5, 10, 25);            //Left pupil
  ellipse(mouseX+205, (height/2)-5, 10, 25);            //Right pupil

  //Pac-Man himself
  noStroke();
  fill(255, 255, 0);
  arc(mouseX, (height/2)+7, 75, 75, 0, PI+HALF_PI+(sin(mouseX*0.1)));  //Sine oscilates; creates mouth movement

  //Thick blue lines of the level geometry
  rectMode(CENTER);
  stroke(0, 0, 255);
  strokeWeight(5);
  noFill();
  rect(100, 0, 300, 300, 10, 10, 10, 10); //Top bar
  rect(100, 400, 300, 300, 10, 10, 10, 10); //Bottom bar
  rect(500, 0, 300, 300, 10, 10, 10, 10); //Top right bar
  rect(500, 400, 300, 300, 10, 10, 10, 10); //Top right bar
}


//When the mouse is pressed, the ghost turns blue or "vulnerable".  Most of the code is copied from the code above
void mousePressed() {
  frameRate(5);   //Slower frame rate for new image
  background(0);  //Black background

  //Pellets
  noStroke();
  fill(255, 255-((mouseX-100)*10));  //mouseX with alpha makes pellets transparent after Pac-Man "eats" it
  ellipse(150, height/2, 10, 10);
  fill(255, 255-((mouseX-200)*10));
  ellipse(250, height/2, 10, 10);
  fill(255, 255-((mouseX-300)*10));
  ellipse(350, height/2, 10, 10);
  fill(255);
  ellipse(300, height/2+100, 10, 10); //Vertical pellets that do not interact with Pac-Man
  ellipse(300, height/2-100, 10, 10);
  ellipse(300, height/2+200, 10, 10);
  ellipse(300, height/2-200, 10, 10);

  //Ghost
  noStroke();
  fill(0, 0, 255);
  arc(mouseX+200, height/2, 60, 60, PI, TWO_PI);        //Ghost head
  rectMode(CORNERS);
  rect(mouseX+170, height/2, mouseX+230, (height/2)+20);//Ghost bulk body
  arc(mouseX+180, (height/2)+20, 20, 30, 0, PI);        //Left squib
  arc(mouseX+200, (height/2)+20, 20, 30, 0, PI);        //Middle squib
  arc(mouseX+220, (height/2)+20, 20, 30, 0, PI);        //Right squib
  fill(255);
  ellipse(mouseX+190, (height/2)-5, 15, 15);            //Left eye
  ellipse(mouseX+210, (height/2)-5, 15, 15);            //Right eye
  noFill();
  stroke(255);
  strokeWeight(3);
  arc(mouseX+200, (height/2)+30, 40, 40, PI+QUARTER_PI, TWO_PI-QUARTER_PI); //Mouth
  
  //Pac-Man himself
  noStroke();
  fill(255, 255, 0);
  arc(mouseX, (height/2)+7, 75, 75, 0, PI+HALF_PI+(sin(mouseX*0.1)));  //Sine oscilates; creates mouth movement

  //Thick blue lines of the level geometry
  rectMode(CENTER);
  stroke(0, 0, 255);
  strokeWeight(5);
  noFill();
  rect(100, 0, 300, 300, 10, 10, 10, 10); //Top bar
  rect(100, 400, 300, 300, 10, 10, 10, 10); //Bottom bar
  rect(500, 0, 300, 300, 10, 10, 10, 10); //Top right bar
  rect(500, 400, 300, 300, 10, 10, 10, 10); //Top right bar
}