[as2] イージングもろもろメモ

/**
 r : Number ― r = ( currentTime - startTime ) / durationTime;

*/
function costomEase( r:Number ):Number
{
  //return Math.sin( Math.PI*0.7*r )+(1-Math.sin(Math.PI*0.3));
  //return 1-Math.cos( Math.PI/2*r );
  //return Math.tan( Math.PI*r )+r;
  //return r*r*r;
  //return 1-Math.pow( 1-r , 5 );
  //return r*r*3-r*2;
  //return Math.abs( r*r*3-r*2 );
  return Math.sin( Math.PI*r )*Math.cos( Math.PI*r )+r;
}