hades-star - OpenProcessing

mySketch
queue
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class Point{
  constructor(x,y){
    this.x=x;this.y=y;
  }
  interp(other,factor){
    return this.mult(1-factor).add(other.mult(factor));
  }
  mult(f){
    return new Point(this.x*f,this.y*f);
  }
  add(other){
    return new Point(this.x+other.x,this.y+other.y);
  }
  mag(){
    return Math.sqrt(this.x*this.x+this.y*this.y);
  }
}
​
class Ship{
  constructor(pos){
    this.pos=pos;
    this.move={
      to:pos,
      cur:pos,
      start:0,
      end:1
    };
  }
  draw(time,other){
    let pos=this.pos.interp(this.move.to,(this.clip(time,this.move.start,this.move.end)-this.move.start)/(this.move.end-this.move.start));
    this.move.cur=pos;
    stroke(0,50);
    line(pos.x,pos.y,this.pos.x,this.pos.y);
    stroke(255,0,0);
    line(pos.x,pos.y,this.move.to.x,this.move.to.y);
    noFill();stroke(0);
    circle(pos.x,pos.y,7);
    stroke(0,255,0);
    if(pos.add(other.move.cur.mult(-1)).mag()<50)stroke(255,0,0);
    circle(pos.x,pos.y,100);
  }
  moveTo(pos,start,end){
    this.move.to=pos;
    this.move.start=start;
    this.move.end=end;
  }
  clip(x,min,max){
    return Math.min(max,Math.max(min,x));
  }
}
​
let s1,s2,s3,s4;
​
function setup(){
  createCanvas(800,400);
  s1=new Ship(new Point(Math.random()*200+100,Math.random()*200+100));
  s2=new Ship(new Point(Math.random()*200+100,Math.random()*200+100));
  s3=new Ship(new Point(600,200));
  s4=new Ship(s2.pos.add(s1.pos.mult(-1)).add(new Point(600,200)));
  s1.moveTo(new Point(300,300),120,720);
  s2.moveTo(new Point(100,300),120,720);
  s4.moveTo(s2.move.to.add(s1.move.to.mult(-1)).add(new Point(600,200)),120,720);
}
​
function draw(){
  background(255);
  s1.draw(frameCount,s2);
  s2.draw(frameCount,s1);
  s3.draw(frameCount,s4);
  s4.draw(frameCount,s3);
}