henryscala

import 'dart:math'; 

addv(v1, v2){
return [v1[0]+v2[0],v1[1]+v2[1]];
}

subv(v1,v2){
return [v1[0]-v2[0],v1[1]-v2[1]];
}

henryscala

import 'dart:html';


void main() {
  Vec2 p1=new Vec2(50,50);
  Vec2 p2=new Vec2(100,50);
  Vec2 p3=new Vec2(100,100);
  Vec2 p4=new Vec2(50,100); 

  HtmlCanvas canvas = new HtmlCanvas("#canvas")

henryscala

shared alias Vec2 => [Integer,Integer];
shared alias Vec2List => CycleList<Vec2>;
Integer x = 0;
Integer y = 1;



shared class CycleListNode<T>(nodeValue,prev=null,next=null) {
 shared variable T nodeValue;
 shared variable CycleListNode<T>? prev;