Processing Programs

Color Pattern Program

void setup(){

  size(600,400);

  frameRate(1);

}

void draw(){

  int i = 0;

    for (int j=0; j

      //background(255,255,255);

      fill(0, i, 0);

      ellipse(j, 200, 200, 200);

      i+=5;

  }

  i = 0;

   for (int j=width; j>0; j-=10){

     //background(255,255,255);

      fill(i, 0, 0);

      ellipse(j, 0, 200, 200);

      i+=5;

  }

  i = 0;

   for (int j=width; j>0; j-=10){

      //background(255,255,255);

      fill(0, 0, i);

      ellipse(j, 400, 200, 200);

      i+=5;

  }

}

Bouncing Ball Program

// initial position for our circle

float circle_x = 300;

float circle_y = 20;

// how much to move the circle on each frame

float move_x = 2;

float move_y = -2;

void setup() {

  size(600, 400);

  fill(0, 0, 255);

}

void draw() {

  background(200, 200, 200);

  ellipse(circle_x, circle_y, 80, 80);

  circle_x = circle_x + move_x;

  circle_y = circle_y + move_y;

  

  if(circle_x > width-40) {

    fill(random(0,255),random(0,255),random(0,255));

    circle_x = width-40;

    move_x = -move_x;

    //println("too far right");

  }

  if(circle_y > height-40) {

    fill(random(0,255),random(0,255),random(0,255));

    circle_y = height-40;

    move_y = -move_y;

    //println("too far bottom");

  }

  if(circle_x < 40) {

    fill(random(0,255),random(0,255),random(0,255));

    circle_x = 40;

    move_x = -move_x;

    //println("too far left");

  }

  if(circle_y < 40) {

    fill(random(0,255),random(0,255),random(0,255));

    circle_y = 40;

    move_y = -move_y;

    //println("too far top");

  }

}