Available on js
new(width_:Int, height_:Int)
bufColor:Buffer
dataGLcolor:DataGL
gl:RenderingContext
height:Int
mainSheet:Sheet
programColor:Program
width:Int
draw():Void
drawAll():Void
inlinedrawData(program:Program, dataGL:DataGL, start:Int, end:Int, len:Int):Void
drawShape(start:Int, end:Int):Void
renderDraw():Void