require 'bizzieDraw'
require 'bizziePath'
require 'bizzieGeometry'

def process
  
end

def crossHatch
  
end

class CrossHatch
  def initialize(points, density)
    @line1 = Line2d.new(points[0], points[1])
    @line2 = Line2d.new(points[1], points[2])
    @line3 = Line2d.new(points[3], points[2])
    @line4 = Line2d.new(points[0], points[3])
    @density = density
  end
  
  def setDensity(density)
    @density = density
  end
  
  def draw
    doPathsParallel([@line1, @line3, @line2, @line4], @density) { |pts, val|
      yield val #do whatever you need to do each line
      drawLine(pts[0], pts[1])
      drawLine(pts[2], pts[3])
    }    
  end
end

def rotateIterate(theta, num = 1, point = $origin2d)
  
  num.times do |x|
    if (x != 0)
    GL.PushMatrix
    GL.Translate(point.x, point.y, 0.0)
    GL.Rotate(theta * x, 0.0, 0.0, 0.1)
    GL.Translate(-1 * point.x, -1 * point.y, 0.0)
    yield Float(x)/Float(num)
    GL.PopMatrix
    end
  end
end