This is the web version of EJS interface
EJS version 3.3
    NameValueTypeDimension
    NameValueTypeDimension
    NameValueTypeDimension
    NameValueTypeDimension

    initialize

    x1=xmin/2.; y1=0.; vx1=v1; vy1=0; x2=xmax/2; y2=0.; vx2=-v2; vy2=0.; collisionStage=0; collisionView=false;

    evolution

    particle1HitWall

    Array