base/Circle.lua

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