fix compiler error
fix compiler errors for incorrectly referenced variables
fix constants
add roof implementation to main file
fix daltin errors
fix error in getRectangles
fix issue in constructor name
fix Rectangle constructor name
fix Rectangle constructor name
fix whitespace
fix Rectangle.isAlive()
fix variable names in Rectangle.render
fix variable names in Roof.setRectangles
fix pixelSize variable
remove Roof.hit()
fix return type of Roof.getRectangles
renamed constant
renamed PIXEL_SIZE constant
fix render issue with roof middle