CubeThemeVariation

Translated by Jesse Scott

Based on: The Cube Theme and Variation by Edward Zajec
Category: direct
Made by Jesse Scott as part of Processing Vancouver
        
/*
Part of the ReCode Project (http://recodeproject.com)
Based on "The Cube Theme and Variation" by Edward Zajec
Originally published in "Computer Graphics and Art" v1n2, 1976
Copyright (c) 2013 Jesse Scott - OSI/MIT license (http://recodeproject/license).
*/

//---------
// SETUP
//---------

function setup() {
  // Screen
  createCanvas(600, 600);
  background(0);
  fill(0, 255);
  stroke(255, 255);
  strokeWeight(2);

  // Angle Lines
  angularLines();

  // Rectangles
  wideLoad();

  // Turret Shapes
  turret();
  turretML();
  turretMM();
  turretMR();

  // Rectangles
  leftRect();
  rightRect();

  noLoop();
}

//---------
// ANGULAR LINES
//---------

function angularLines() {
  push();

  let offset = 10;

  for (let i = 0; i < width * 2; i += offset) {
    line(0, i, i, 0);
  }

  pop();
}

//---------
// WIDE LOAD
//---------

function wideLoad() {
  push();

  let offset = 5;
  let num = 15;
  let x = width * 0.05;
  let y = height * 0.66;
  translate(25, 0);

  for (let i = 0; i < num; i++) {
    rect(x - (offset * i), y + (offset * i), width, 30);
  }

  pop();
}

//---------
// TURRETS
//---------

function turret() {
  push();

  let offset = 5;
  let num = 15;
  translate(66, -50);

  for (let i = 0; i < num; i++) {
    translate(-offset, offset);
    beginShape();
    vertex(-5, height * 0.50);  // Bottom Left
    vertex(width + 5, height * 0.50);  // Bottom Right
    vertex(width + 5, height * 0.45);  // Top Right

    vertex(width * 0.80, height * 0.45); // Right Turret Bottom Right
    vertex(width * 0.80, height * 0.35); // Right Turret Top Right
    vertex(width * 0.75, height * 0.35);  // Right Turret Top Left
    vertex(width * 0.75, height * 0.45);  // Right Turret Bottom Left

    vertex(width * 0.55, height * 0.45);  // Middle Turret Bottom Right
    vertex(width * 0.55, height * 0.35);  // Middle Turret Top Right
    vertex(width * 0.50, height * 0.35);  // Middle Turret Top Left
    vertex(width * 0.50, height * 0.45);  // Middle Turret Bottom Left

    vertex(width * 0.35, height * 0.45);  // Left Turret Bottom Right
    vertex(width * 0.35, height * 0.35);  // Left Turret Top Right
    vertex(width * 0.30, height * 0.35);  // Left Turret Top Left
    vertex(width * 0.30, height * 0.45);  // Left Turret Bottom Left

    vertex(width * 0.05, height * 0.45);  // Left Turret Bottom Right
    vertex(width * 0.05, height * 0.25);  // Left Turret Top Right
    vertex(width * -0.05, height * 0.25);  // Left Turret Top Left
    vertex(width * -0.05, height * 0.45);  // Left Turret Bottom Left
    endShape(CLOSE);
  }

  pop();
}

function turretML() {
  push();
  let offset = 5;
  let num = 15;
  translate(66, -75);

  for (let i = 0; i < num; i++) {
    translate(-offset, offset);
    beginShape();
    vertex(width * 0.30, height * 0.01);
    vertex(width * 0.30, height * 0.35);
    vertex(width * 0.45, height * 0.35);
    vertex(width * 0.45, height * 0.25);
    vertex(width * 0.35, height * 0.25);
    vertex(width * 0.35, height * 0.01);
    endShape(CLOSE);
  }

  pop();
}

function turretMM() {
  push();
  let offset = 5;
  let num = 15;
  translate(66, -75);

  for (let i = 0; i < num; i++) {
    translate(-offset, offset);
    beginShape();
    vertex(width * 0.50, height * 0.10);
    vertex(width * 0.50, height * 0.35);
    vertex(width * 0.65, height * 0.35);
    vertex(width * 0.65, height * 0.25);
    vertex(width * 0.55, height * 0.25);
    vertex(width * 0.55, height * 0.10);
    endShape(CLOSE);
  }

  pop();
}

function turretMR() {
  push();

  let offset = 5;
  let num = 15;
  translate(66, -75);

  for (let i = 0; i < num; i++) {
    translate(-offset, offset);
    beginShape();
    vertex(width * 0.75, height * 0.10);
    vertex(width * 0.75, height * 0.35);
    vertex(width * 0.90, height * 0.35);
    vertex(width * 0.90, height * 0.25);
    vertex(width * 0.80, height * 0.25);
    vertex(width * 0.80, height * 0.10);
    endShape(CLOSE);
  }

  pop();
}

//---------
// SQUARES
//---------

function leftRect() {
  push();
  let offset = 5;
  let num = 15;
  translate(66, -150);

  for (let i = 0; i < num; i++) {
    translate(-offset, offset);
    rect(width * 0.50, height * 0.1, width * 0.15, height * 0.1);
  }

  pop();
}

function rightRect() {
  push();
  let offset = 5;
  let num = 15;
  translate(66, -150);

  for (let i = 0; i < num; i++) {
    translate(-offset, offset);
    rect(width * 0.75, height * 0.1, width * 0.15, height * 0.1);
  }

  pop();
}