graphics.lua

   1 local x,y
   2
   3 --[[
   4 the standard graphics pipeline which draws a complete scenery
   5 ]]--
   6 function graphics_pipeline(batch,xCam,yCam)
   7         x = xCam
   8         y = yCam
   9         local sonarbubblesStencil = love.graphics.newStencil(graphics_stencilFunction)
  10         graphics_drawBackground()
  11         love.graphics.setStencil(sonarbubblesStencil)
  12         graphics_drawEntities(x,y)
  13         love.graphics.setStencil()
  14         graphics_drawMap(batch,x,y)
  15         love.graphics.setInvertedStencil(sonarbubblesStencil)
  16         graphics_drawShadow()
  17         love.graphics.setInvertedStencil()
  18 end
  19
  20 --[[
  21 draws the background or 'water'
  22 ]]--
  23 function graphics_drawBackground()
  24         love.graphics.push()
  25         love.graphics.setColor(130,180,190)
  26         love.graphics.rectangle("fill",0,0,3200,3200) --TODO
  27         love.graphics.pop()
  28 end
  29
  30 --[[
  31 draws all entities. not visible entities will be painted over by background
  32 ]]--
  33 function graphics_drawEntities(x,y)
  34         for i,e in ipairs(entities) do
  35                 e:draw(x,y)
  36         end
  37 end
  38
  39 --[[
  40 draws the map
  41 ]]--
  42 function graphics_drawMap(batch,x,y)
  43         love.graphics.draw(batch,-x,-y)
  44 end
  45
  46 --[[
  47 draws a transparent shadow
  48 ]]--
  49 function graphics_drawShadow()
  50         love.graphics.push()
  51         love.graphics.setColor(30,30,130,200)
  52         love.graphics.rectangle("fill",0,0,3200,3200) --TODO
  53         love.graphics.pop()
  54 end
  55
  56 --[[
  57 draws the controls on top of everything
  58 ]]--
  59 function graphics_drawControls()
  60 end
  61
  62 --[[
  63 iterates over all sonarbubbles and adds a circle stencil for each
  64 ]]--
  65 function graphics_stencilFunction()
  66                 for i,s in ipairs(sonarbubbles) do
  67                         love.graphics.circle("fill",s.x-x,s.y-y,s.size/2)
  68                 end
  69 end
  70
  71 --[[
  72 draws a console
  73 ]]--
  74 function graphics_drawConsole()
  75 end
  76