feat: greyscale emblem for ko characters

sonic-radiance.love/game/modules/drawing/greyscale.lua

@@ -0,0 +1,23 @@
+local GrayScale = {}
+
+local greyscaleShader = love.graphics.newShader[[
+    vec4 effect( vec4 color, Image texture, vec2 texture_coords, vec2 screen_coords ){
+        vec4 pixel = Texel(texture, texture_coords );//This is the current pixel color
+        number average = (pixel.r+pixel.b+pixel.g)/3.0;
+        pixel.r = average;
+        pixel.g = average;
+        pixel.b = average;
+        return pixel;
+      }
+  ]]
+
+
+function GrayScale.startShader()
+    love.graphics.setShader(greyscaleShader)
+end
+
+function GrayScale.endShader()
+    love.graphics.setShader()
+end
+
+return GrayScale

sonic-radiance.love/game/modules/gui/emblem.lua

@@ -1,4 +1,5 @@
 local Emblem = Object:extend()
+local greyscale = require "game.modules.drawing.greyscale"
 
 function Emblem:new(abstract, scene)
   self.assets = scene.assets
@@ -16,15 +17,27 @@ end
 function Emblem:drawForeground(x, y)
   local emblem2 = "m_" .. self.abstract.data.class
   core.screen:setScissor(x, y-16, 32, 40)
-  self.assets.sprites[self.charid]:drawAnimation(x+14, y+14)
+  if (self.abstract.hp > 0) then
+    self.assets.sprites[self.charid]:drawAnimation(x+14, y+14)
+  else
+    greyscale.startShader()
+    self.assets.sprites[self.charid]:drawFrame(1, x+14, y+14)
+  end
   core.screen:resetScissor( )
   self.assets.images[emblem2]:draw(x, y)
+  greyscale.endShader()
 end
 
 function Emblem:drawBackground(x, y)
   local emblem1 = "e_" .. self.abstract.data.class
 
-  self.assets.images[emblem1]:draw(x, y)
+  if (self.abstract.hp > 0) then
+    self.assets.images[emblem1]:draw(x, y)
+  else
+    greyscale.startShader()
+    self.assets.images[emblem1]:draw(x, y)
+    greyscale.endShader()
+  end
 
 end
 

sonic-radiance.love/scenes/battlesystem/controllers/fighters/character.lua

@@ -5,10 +5,7 @@ local StatusBar   = require "game.modules.gui.statusbar"
 local SelectionSystem = require "scenes.battlesystem.controllers.fighters.systems.selection"
 local actionList = require "scenes.battlesystem.controllers.fighters.systems.actions"
 
-local POSITIONS = {3, 1, 5}
 local HEROES_LINE = 2;
-
-local HUDBASE = 8
 local HUDSIZE = 91
 
 function HeroFighter:new(owner, character, id)