Created Particles, added fairy particle, added more entity methods like kill() and entity id

data/scripts/entities/arrow.lua

@@ -17,9 +17,11 @@ Arrow = Entity:New(x,y)
   -- animations
   o.body = Animation:New(animation.kupo.arrow)
   
+	table.insert(LoadedEntities,o)
+	o.id = #LoadedEntities
+
  	setmetatable(o, self)
  	self.__index = self
-	table.insert(LoadedEntities,o)
  	return o
  end
 

data/scripts/entities/decoration.lua

@@ -15,11 +15,13 @@ function Decoration:New(x,y,animation,lightRange)
     o.light = CreateLight(o.pos.x,o.pos.y,o.lightRange,nil,60/6)
   end
 
+  table.insert(LoadedEntities,o)
+  o.id = #LoadedEntities
+
  	setmetatable(o, self)
  	self.__index = self
-
  	return o
- end
+end
 
 function Decoration:Smart()
 end

data/scripts/entities/fairy.lua

@@ -17,9 +17,11 @@ Fairy = Entity:New(x,y)
   o.lightRange = 55
 	o.light = CreateLight(o.pos.x,o.pos.y,o.lightRange)
 
+  table.insert(LoadedEntities,o)
+  o.id = #LoadedEntities
+
  	setmetatable(o, self)
  	self.__index = self
-
  	return o
  end
 
@@ -31,8 +33,8 @@ function Fairy:Smart()
   self.target.y = main_Player.pos.y - main_Player.target_offset.y - 10
   local distance_x = self.target.x - self.pos.x
   local distance_y = self.target.y - self.pos.y
-  local distance = math.sqrt(distance_x ^ 2 + distance_y ^ 2)
   local angle = GetAngleFromVector(distance_x,distance_y)
+  local distance = math.sqrt(distance_x ^ 2 + distance_y ^ 2)
   if distance < self.range then
     self.vel.x = 0
     self.vel.y = 0
@@ -40,6 +42,7 @@ function Fairy:Smart()
     self.vel.x = math.cos(angle)*self.speed*distance/(8*game.scale)
     self.vel.y = math.sin(angle)*self.speed*distance/(8*game.scale)
   end
+  Particle:New(self.pos.x,self.pos.y,animation.particle.fairy,angle-math.rad(180),self.speed*distance/(16*game.scale))
 end
 
 function Fairy:HandleAnimation()

data/scripts/entities/kupo.lua

@@ -28,9 +28,11 @@ Kupo = Entity:New(x,y)
   o.lightRange = o.range/2
 	o.light = CreateLight(o.pos.x,o.pos.y,o.lightRange)
 
+  table.insert(LoadedEntities,o)
+  o.id = #LoadedEntities
+
  	setmetatable(o, self)
  	self.__index = self
-
  	return o
  end
 

data/scripts/entities/particle.lua

@@ -0,0 +1,48 @@
+Particle = Entity:New(x,y)
+
+ function Particle:New(x,y,animation,rotation,speed)
+ 	local o = Entity:New(x,y)
+
+ 	o.pos = {x = x, y = y}
+  o.speed = speed or 0
+  o.sprite_rotation = rotation or 0
+
+  o.time = 0.5
+  o.timer = 0
+
+  o.vel = {
+    x = o.speed * math.cos(o.sprite_rotation),
+    y = o.speed * math.sin(o.sprite_rotation)
+  }
+
+  -- animations
+  o.body = Animation:New(animation)
+  
+  table.insert(LoadedEntities,o)
+  o.id = #LoadedEntities
+
+ 	setmetatable(o, self)
+ 	self.__index = self
+ 	return o
+ end
+
+function Particle:Smart()
+
+end
+
+function Particle:HandleAnimation()
+  self.body:Animate()
+  self.timer = self.timer + current_dt
+  self.sprite_alpha = (self.time-self.timer)/self.time
+  if self.sprite_alpha < 0 then self:Kill() end
+  self:Draw(self.body)
+end
+
+function Particle:DoPhysics()
+  if not self:isCollidingAt(self.pos.x + self.vel.x, self.pos.y, objects.collisions) then
+    self.pos.x = self.pos.x + self.vel.x
+  end
+  if not self:isCollidingAt(self.pos.x, self.pos.y + self.vel.y, objects.collisions) then
+    self.pos.y = self.pos.y + self.vel.y
+  end
+end

data/scripts/entities/player.lua

@@ -53,9 +53,11 @@
   -- lights
 	o.light = CreateLight(o.pos.x,o.pos.y,o.lightRange)
 
+  table.insert(LoadedEntities,o)
+  o.id = #LoadedEntities
+
  	setmetatable(o, self)
  	self.__index = self
-
  	return o
  end
 

data/scripts/entity.lua

@@ -15,11 +15,13 @@ function Entity:New(x,y)
 	o.sprite_scale = {x = 1, y = 1}
 	o.sprite_rotation = math.rad(0)
 	o.sprite_tint = {1,1,1}
+	o.sprite_alpha = 1
 	o.sprite_flip = { x = 1, y = 1}
 	o.illuminated = false
 
 	setmetatable(o, self)
 	self.__index = self
+
 	return o
 end
 
@@ -43,7 +45,7 @@ end
 
 function Entity:Draw(animation)
 	local c1, c2, c3, a = love.graphics.getColor()
-	love.graphics.setColor(self.sprite_tint[1],self.sprite_tint[2],self.sprite_tint[3])
+	love.graphics.setColor(self.sprite_tint[1],self.sprite_tint[2],self.sprite_tint[3],self.sprite_alpha)
 	animation:Draw(
 		self.pos.x - Camera.pos.x - ( (self.sprite_offset.x) * math.cos(self.sprite_rotation) - (self.sprite_offset.y) * math.sin(self.sprite_rotation)) * self.sprite_scale.x * self.sprite_flip.x,
 		self.pos.y - Camera.pos.y - ( (self.sprite_offset.x) * math.sin(self.sprite_rotation) + (self.sprite_offset.y) * math.cos(self.sprite_rotation)) * self.sprite_scale.y * self.sprite_flip.y,
@@ -88,8 +90,21 @@ function Entity:isCollidingAtAll(x,y)
  	return result
 end
 
+function Entity:Kill()
+	if self.id ~= nil then
+		for _, e in pairs(LoadedEntities) do
+			if e.id > self.id then
+				e.id = e.id - 1
+			end
+		end
+		table.remove(LoadedEntities,self.id)
+	end
+	self = nil
+end
+
 require "data/scripts/entities/kupo"
 require "data/scripts/entities/arrow"
 require "data/scripts/entities/decoration"
 require "data/scripts/entities/player"
 require "data/scripts/entities/fairy"
+require "data/scripts/entities/particle"

data/scripts/enums.lua

@@ -1,77 +1,84 @@
 -- animationsç
 	-- all these are linear animations, maybe in the future make proper animations?
 animation = {
+	particle = {
+		fairy = {
+			path = "assets/entities/particle/fairy",
+			frames = 4,
+			speed = 1/4
+		}
+	},
 	fairy = {
 		flying = {
-			path = "assets/characters/fairy/flying",
+			path = "assets/entities/fairy/flying",
 			frames = 2,
 			speed = 1/30
 		}
 	},
 	decoration = {
 		candelabra = {
-			path = "assets/characters/decoration/candelabra",
+			path = "assets/entities/decoration/candelabra",
 			frames = 8,
 			speed = 1/6
 		}
 	},
 	kupo = {
 			body = {
-				path = "assets/characters/kupo/kupo",
+				path = "assets/entities/kupo/kupo",
 				frames = 4,
 				speed = 1/8
 			},
 			bow = {
-				path = "assets/characters/kupo/kupo_bow",
+				path = "assets/entities/kupo/kupo_bow",
 				frames = 6,
 				speed = 1/10
 			},
 			arrow = {
-				path = "assets/characters/kupo/kupo_arrow",
+				path = "assets/entities/kupo/kupo_arrow",
 				frames = 1,
 				speed = 1
 			}
 	},
 	moth_mask = {
 		idle = {
-			path = "assets/characters/nancy/moth_mask/idle",
+			path = "assets/entities/nancy/moth_mask/idle",
 			frames = 4,
 			speed = 1/8
 		},
 		run = {
-			path = "assets/characters/nancy/moth_mask/run",
+			path = "assets/entities/nancy/moth_mask/run",
 			frames = 6,
 			speed = 1/8
 		},
 		fall = {
-			path = "assets/characters/nancy/moth_mask/fall",
+			path = "assets/entities/nancy/moth_mask/fall",
 			frames = 3,
 			speed = 1/8
 		},
 		jump = {
-			path = "assets/characters/nancy/moth_mask/jump",
+			path = "assets/entities/nancy/moth_mask/jump",
 			frames = 3,
 			speed = 1/8
 		}
 	},
 	nancy = {
 		idle = {
-			path = "assets/characters/nancy/idle",
+			path = "assets/entities/nancy/idle",
 			frames = 4,
 			speed = 1/8
 		},
 		run = {
-			path = "assets/characters/nancy/run",
+			path = "assets/entities/nancy/run",
 			frames = 6,
 			speed = 1/8
 		},
 		fall = {
-			path = "assets/characters/nancy/fall",
+			path = "assets/entities/nancy/fall",
 			frames = 3,
 			speed = 1/8
 		},
 		jump = {
-			path = "assets/characters/nancy/jump",
+			path = "assets/entities/nancy/jump",
 			frames = 3,
 			speed = 1/8
 		}

main.lua

@@ -43,11 +43,10 @@ function love.load()
 
 	main_Player = Player:New(75,50)
 
-	table.insert(LoadedEntities,main_Player)
-	table.insert(LoadedEntities,Kupo:New(100,150))
-	table.insert(LoadedEntities,Kupo:New(300,150))
-	table.insert(LoadedEntities,Decoration:New(200,89,animation.decoration.candelabra,80))
-	table.insert(LoadedEntities,Fairy:New(200,88))
+	Kupo:New(100,150)
+	Kupo:New(300,150)
+	Decoration:New(200,89,animation.decoration.candelabra,80)
+	Fairy:New(200,88)
 
 	gravity = 0.2
 end