Professor C.E.B. Reas, TA Tyler Adams

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Exercise 01 Exercise 02 Exercise 03 Exercise 04 Exercise 05 Exercise 06 Exercise 07 Exercise 08 Exercise 09 Exercise 10 Exercise 11 Exercise 12 Project 2 Project 3.2 Project 3.3 Kyle Tanya Asher Erik Courtney Ben Marco Gleb Wayne Rick Jessica Mary Liam Aaron Bryan Brittany Miri Maya Emerson

// Graffitti Machine 
// Created Nov 12th, 2006 
// Move the mouse to drop paint
// Press mouse button for spray paint
// Press backspace to erase slightly
// Press backspace 3 times to erase completely
// Hold backspace while moving or clicking mouse for a cheap trick


int x, y, prevx, prevy, strokeSize;
float dispx, radius, rotation, distance;
boolean move = false;
int sprayJittrX=-15, sprayJittrY=-13;

void setup() {
  size(400, 400);
  smooth();
  noStroke();
  frameRate(30);  
  background(255);
  fill(0);
  noCursor();
}

void draw() {
  if((keyPressed)&&(key == BACKSPACE)){
    fill(255, 100);
    rect(0, 0, width, height);
    fill(0);
  }
  
  
    ////////////////  assigning variable values  ////////////////  
  
  dispx = random(30);
  rotation = (random(1) * TWO_PI);
  x = mouseX;
  y = mouseY;
  
  if (move)
  {
  prevx = pmouseX;
  prevy = pmouseY;
  distance = dist(x, y, prevx, prevy);
  radius = random(15);
    
    
    
    ////////////////  random dots  ////////////////  
    pushMatrix();
    
    translate(x, y);
    rotate (rotation);
    translate(dispx, 0);
    ellipse(0, 0, radius, radius);
    
    ////////////////  large & splashy spots  ////////////////  
    if (radius >= 14){
    ellipse(0, 0, radius+3, radius/4);
    rotate(rotation);
    ellipse(0, 0, radius+3, radius/4);
    rotate(rotation);
    ellipse(0, 0, radius+3, radius/4);
    rotate(rotation);
    ellipse(0, 0, radius+3, radius/4);
    }
    
  popMatrix();
    
    ////////////////  Small directional spots and lines    ////////////////
    
   if(distance>14)
   strokeSize --;
   else 
   strokeSize = 4;
 
    if ((distance >= 10)&&(distance<=75)&&(strokeSize >=0)){
      ellipse(prevx, prevy, 5, 5);
      ellipse(prevx, prevy, radius, radius);
      stroke(0);
      strokeWeight(strokeSize);
      line(prevx, prevy, x, y);
      ellipse((prevx+x)/2, (prevy+y)/2, radius/2, radius/2);
      noStroke();
      ellipse(x, y, strokeSize*2, strokeSize*2);
    }
  }

    ////////////////  Spray Paint    ////////////////
  if (mousePressed){
    spray(10);
    }
    
  move = false;
}

void mouseMoved(){
  move = true;
}

void spray(int times){  
  float dispx1 = random(-60, 60);
  float dispx2 = random(-60, 60);

  pushMatrix();
  
  translate(x+sprayJittrX, y+sprayJittrY);
  if(sprayJittrX < 15)
    sprayJittrX++;
  else sprayJittrX = -15;
  
  if(sprayJittrY < 15)
    sprayJittrY++;
  else sprayJittrY = -13;
      
  fill(150, 0, 0, 50);
  
  rotate(rotation);
  ellipse(dispx, 0, 2, 2);
  ellipse(-dispx, 0, 2, 2);
  ellipse(0, dispx, 2, 2);
  ellipse(0, -dispx, 2, 2);
  ellipse(dispx1, 0, 2, 2);
  ellipse(-dispx1, 0, 2, 2);
  ellipse(0, dispx1, 2, 2);
  ellipse(0, -dispx1, 2, 2);
  ellipse(dispx2, 0, 2, 2);
  ellipse(-dispx2, 0, 2, 2);
  ellipse(0, dispx2, 2, 2);
  ellipse(0, -dispx2, 2, 2);
  
  rotation = rotation+random(PI); 
  times--;
  
  popMatrix();
  
  if(times>0)
  spray(times);
  
  fill(0);
  }

Exercise 07: Make a custom software drawing tool that makes a different quality of marks when the mouse is pressed and not pressed.