base/Ellipse.lua

   1 --the Ellipse class
   2
   3 Ellipse = Object:new()
   4
   5 Ellipse.type = "Ellipse"
   6 Ellipse.radius_x = 0
   7 Ellipse.radius_y = 0
   8 Ellipse.r = 0
   9 Ellipse.g = 0
  10 Ellipse.b = 0
  11 Ellipse.a = 255
  12 Ellipse.style = "outline" --can be "outline", "filled", or "both"
  13 Ellipse.fcolor = false --set to true to have the filled circle use a different color
  14 Ellipse.fr = 0
  15 Ellipse.fg = 0
  16 Ellipse.fb = 0
  17 Ellipse.fa = 255
  18
  19
  20 function Ellipse:new(o)
  21   o = o or {}
  22   setmetatable(o, self)
  23   self.__index = self
  24   return o
  25 end
  26
  27 --updates the object's state
  28 function Ellipse:update(delta)
  29   Object.update(self, delta)
  30 end
  31
  32 --default draw routine
  33 function Ellipse:draw()
  34   if(self.style == "filled" or self.style == "both") then
  35     if(self.fcolor == true) then
  36       draw_filled_ellipse(self.x,self.y,self.radius_x,self.radius_y,self.fr,self.fg,self.fb,self.fa)
  37     else
  38       draw_filled_ellipse(self.x,self.y,self.radius_x,self.radius_y,self.r,self.g,self.b,self.a)
  39     end
  40   end
  41
  42   if(self.style == "outline" or self.style == "both") then
  43     draw_ellipse(self.x,self.y,self.radius_x,self.radius_y,self.r,self.g,self.b,self.a)
  44   end
  45 end
  46
  47 --there is no predefined collision behavior
  48 -- "ids" is the list of Rect ids that have been collided with
  49 -- "type" is the type of the Object that is colliding
  50 function Ellipse:collide(type, ids)
  51
  52 end
  53