scenes/levels: add a system to show number-type gfx

imperium-porcorum.love/scenes/levels/entities/ennemies/parent.lua

@@ -30,6 +30,7 @@ end
 function Ennemy:getDamage(base_damage)
   local damage = math.max(base_damage - self.armor, 1)
   self.hp = math.max(0, self.hp - damage)
+  self.obj.Numbers(self.level, self.x+8, self.y+8, damage, {1,0,0})
   if (self.hp == 0) then
     self:destroy()
     self.obj.GFX(self.level, self.x+8, self.y+8, "poof", 1)

imperium-porcorum.love/scenes/levels/entities/gfx/numbers.lua

@@ -0,0 +1,28 @@
+local Entity = require "scenes.levels.entities.parent"
+local NumberGFX = Entity:extend()
+
+function NumberGFX:new(level, x, y, number, color)
+  NumberGFX.super.new(self, level, "number", x - 8, y - 24, 16, 16)
+  self.number = number or 0
+  self.color  = color or {1, 1, 1}
+  self.life   = 1.5
+  self.count  = 0
+end
+
+function NumberGFX:update(dt)
+  self.count = self.count + dt
+  if self.count > self.life then
+    self:destroy()
+  end
+
+  self.y = self.y - 32 * dt
+end
+
+function NumberGFX:draw()
+  love.graphics.setColor(self.color)
+  self.level.assets.fonts["medium"]:set()
+  love.graphics.printf(self.number, self.x+8-40, self.y+8, 80, "center")
+  utils.graphics.resetColor()
+end
+
+return NumberGFX

imperium-porcorum.love/scenes/levels/entities/init.lua

@@ -8,7 +8,8 @@ Obj.Coin      = require "scenes.levels.entities.loot.coin"
 Obj.Coin5     = require "scenes.levels.entities.loot.coin5"
 Obj.Coin10    = require "scenes.levels.entities.loot.coin10"
 Obj.Weapon    = require "scenes.levels.entities.weapon"
-Obj.GFX       = require "scenes.levels.entities.gfx"
+Obj.GFX       = require "scenes.levels.entities.gfx.gfx"
+Obj.Numbers   = require "scenes.levels.entities.gfx.numbers"
 Obj.Debris    = require "scenes.levels.entities.debris"
 Obj.Player    = require "scenes.levels.entities.player"