Metaball part 1

gistfile1.js

for(var i = 0; i < 50; i++){
    var x = Math.random()*width,
        y = Math.random()*height,
        vx = (Math.random()*8)-4,
        vy = (Math.random()*8)-4,
        size = Math.floor(Math.random()*60)+60;
    
    points.push({x:x,y:y,vx:vx,vy:vy, size:size});
                       
};