Space Journey - OpenProcessing

mySketch
Rocket
xxxxxxxxxx
 
let r;
let shadows;
let stars;
let STARNUM = 300;
​
// code = [duration, power, rotation]
//let codes = [[1.2, 0.08, 0], [0.5, 0.03, 0], [0.1, 1, 90], [0.4, 0.5, -90], [7, 0.02, 45]];
let codes = [];
​
function setup() {
  angleMode(DEGREES);
  createCanvas(windowWidth, windowHeight);
  background(0);
  codes = [];
  shadows = [];
  stars = [];
  createStars();
  r = new rocket(windowWidth / 2, windowHeight - 10, 10, 20);
  //r.engageThrust(1.2, 0.08, 2 );
}
​
function draw() { 
  background(0);  
  
  // ----------- Stars -----------
  
  for(var st of stars) {
    st.update();
    st.draw();
  }
  
  
  // -----------------------------
  
  if (codes.length == 0) {
    codes.push([random(0.1, 0.5), random(0.05, 0.1), random(-90, 90)]);
  }
  
  // Check code update
  if (r.firing === false && codes.length > 0) {
    c = codes.shift();
    r.engageThrust(c[0], c[1], c[2])
  }
  
  // ----------- Window Scrolling -------------------
  
  // Y axis 
  if (r.pos.y < windowHeight / 2) {
    var diff = abs((windowHeight / 2) - r.pos.y);
    r.pos.y += diff;
    for (var sh of shadows) {
      sh.y += diff;
    }
    for (var starY of stars){
      starY.y += diff * (starY.size * 3 / 100); 
    }
  }
  
  // Moving Left
  if (r.pos.x < windowWidth * 0.3) {
    var diffX1 = abs((windowWidth * 0.3) - r.pos.x);
    r.pos.x += diffX1;
    for (var shX1 of shadows) {
      shX1.x += diffX1;
    }
    for (var starX1 of stars){
      starX1.x += diffX1 * (starX1.size * 3 / 100); 
    }
  }
  
  // Moving Right
  if (r.pos.x > windowWidth * 0.7) {
    var diffX2 = abs((windowWidth * 0.7) - r.pos.x);
    r.pos.x -= diffX2;
    for (var shX2 of shadows) {
      shX2.x -= diffX2;
    }
    for (var starX2 of stars){
      starX2.x -= diffX2 * (starX2.size * 3 / 100); 
    }
  }
  
  
  
  //-----------------------------------------------------
  
  r.draw();
  r.update();
  
  if (shadows.length > 300) {
    shadows.shift();
  }
  
  for (var s of shadows) {
    s.update();
    s.draw();
  }
  
  // edge check
  if (r.pos.x < 0 || r.pos.x > windowWidth || r.pos.y < -10 || r.pos.y > windowHeight) {
    setup();
  }
  
  
  
}
​
​
function createStars() {
  // Create a number of random stars
  for (var i = 0; i < STARNUM; i++) {
    stars.push(new star());
  }
}
​
function star() {
  this.x = random(-10, windowWidth + 10);
  this.y = random(-10, windowHeight + 10);
  this.chance = random(1, 100);
  this.rgb = [random(255), random(255), random(255)];
  if (this.chance > 5){
    this.size = random(1, 5);
  } else {
    this.size = random(10, 30);
  }
  
  this.reSize = function reSize() {
    this.chance = random(1, 100);
    this.rgb = [random(255), random(255), random(255)];
    if (this.chance > 5){
      this.size = random(1, 5);
    } else {
      this.size = random(10, 30);
    }
  }
  
  this.update = function update() {
    // Scroll off left
    if (this.x < -10) {
      this.x = windowWidth + 10;
      //this.y = random(-10, windowHeight + 10);
      this.reSize();
    }
    // Scroll off right
    if (this.x > windowWidth + 10){
      this.x = -10;
      //this.y = random(-10, windowHeight + 10);
      this.reSize();
    }
    // Scroll off bottom
    if (this.y > windowHeight + 10){
      //this.x = random(-10, windowWidth + 10);
      this.y = random(-20, -10);
      this.reSize();
    }       
  }
  
  
  this.draw = function draw() {
    push();
    strokeWeight(this.size);
    if (this.size > 5) {
      stroke(this.rgb[0], this.rgb[1], this.rgb[2]);
    } else {
      stroke('white');
    }
    point(this.x, this.y);
    pop();
  }
}
​
​