kupo nice now

bow nice
aim nice
arrow nice

all nice

data/scripts/debug.lua

@@ -6,9 +6,9 @@ love.graphics.print("time: "..fps_total..", fps: "..fps_draw..", frametime: "..m
     love.graphics.print("[main_Player]",10*textScale,40*textScale, 0, textScale)
     love.graphics.print("position: {"..main_Player.pos.x..", "..main_Player.pos.y.."}",10*textScale,60*textScale, 0, textScale)
     love.graphics.print("velocity: {"..main_Player.vel.x..", "..main_Player.vel.y.."}",10*textScale,80*textScale, 0, textScale)
-    love.graphics.print("scale: {"..main_Player.scale.x..", "..main_Player.scale.y.."}",10*textScale,100*textScale, 0, textScale)
+    love.graphics.print("scale: {"..main_Player.sprite_scale.x..", "..main_Player.sprite_scale.y.."}",10*textScale,100*textScale, 0, textScale)
-    love.graphics.print("sprite: "..tostring(main_Player.sprite)..", anim_speed: "..main_Player.anim_speed,10*textScale,120*textScale, 0, textScale)
+    love.graphics.print("anim: "..tostring(main_Player.anim.path)..", anim.speed: "..main_Player.anim.speed,10*textScale,120*textScale, 0, textScale)
-    love.graphics.print("booleans: \"isOnGround\": "..tostring(main_Player.isOnGround),10*textScale,140*textScale, 0, textScale)
+    love.graphics.print("states: \"isOnGround\": "..tostring(main_Player.isOnGround),10*textScale,140*textScale, 0, textScale)
 
     love.graphics.print("[Camera]",10*textScale,160*textScale, 0, textScale)
     love.graphics.print("position: {"..Camera.pos.x..", "..Camera.pos.y.."}",10*textScale,180*textScale, 0, textScale)

data/scripts/entities/arrow.lua

@@ -0,0 +1,57 @@
+Arrow = Entity:New(x,y)
+
+ function Arrow:New(x,y,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.vel = {
+    x = o.speed * math.cos(o.sprite_rotation),
+    y = o.speed * math.sin(o.sprite_rotation)
+  }
+	o.sprite_offset = {x = 13, y = 1}
+  o.stuck = false
+
+ 	setmetatable(o, self)
+ 	self.__index = self
+  table.insert(LoadedEntities,o)
+ 	return o
+ end
+
+function Arrow:Smart()
+
+end
+
+function Arrow:HandleAnimation()
+  self:LoadAnimation(animation.kupo.arrow)
+end
+
+function Arrow:DoPhysics()
+   -- horizontal collisions
+  if not isThereAnyCollisionAt(self.pos.x + self.vel.x, self.pos.y) then
+  	self.pos.x = self.pos.x + self.vel.x
+  else
+    while not isThereCollisionAt(self.pos.x + math.sign(self.vel.x), self.pos.y) do
+      self.pos.x = self.pos.x + math.sign(self.vel.x)
+    end
+    self.stuck = true
+  end
+    -- vertical collision
+  if not isThereAnyCollisionAt(self.pos.x, self.pos.y + self.vel.y) then
+    self.pos.y = self.pos.y + self.vel.y
+  else
+    while not isThereCollisionAt(self.pos.x, self.pos.y + math.sign(self.vel.y)) do
+      self.pos.y = self.pos.y + math.sign(self.vel.y)
+    end
+    self.stuck = true
+  end
+  -- stuck into collisions
+  if self.stuck then
+    --lets allow the arrow to tip a bit into the thing
+    self.pos.x = self.pos.x + self.vel.x / 5
+    self.pos.y = self.pos.y + self.vel.y / 5
+    self.vel.x = 0
+    self.vel.y = 0
+  end
+end

data/scripts/entities/kupo.lua

@@ -5,22 +5,148 @@ Kupo = Entity:New(x,y)
 
  	o.pos = {x = x, y = y}
   o.speed = 20
-  o.range = 1000
+  o.range = 200
-
+  o.target = {x = x, y = y}
+	o.sprite_offset = {x = 8, y = 5}
+  -- kupo bow
+  o.bow = self:NewAnimation(animation.kupo.bow)
+  o.bow_flip = 1
+  o.bow_rotation = 0
+  o.bow_frame = 1
+  o.bow_subframe = 1
+  o.bow_aim_frame = 0
+  o.bow_speed = 1/10
+  o.bow_frames = 6
+  o.bow_extraframes = 18
+  o.bow_aim_frames = 8
  	setmetatable(o, self)
  	self.__index = self
 
  	return o
  end
 
-function Kupo:DoInput()
+function Kupo:Smart()
 
+  self.target.x = main_Player.pos.x - main_Player.target_offset.x
+  self.target.y = main_Player.pos.y - main_Player.target_offset.y
+  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 = math.atan(distance_y/distance_x)
+
+  if distance <= self.range then
+    self.draw_bow = true
+
+    if distance_x > 0 then
+      self.sprite_flip.x = 1
+    else
+      angle = angle + math.rad(180)
+    end
+
+    -- fix so it can rotate from 0 to 360
+    if math.deg(self.bow_rotation - angle) < 0 then
+      self.bow_rotation = self.bow_rotation + math.rad(360)
+    end
+
+    -- fix so it can rotate from 360 to 0
+    if math.deg(self.bow_rotation - angle) > 180 then
+      self.bow_rotation = self.bow_rotation - math.rad(360)
+    end
+
+    -- actual rotation
+    if self.bow_rotation < angle then
+      self.bow_rotation = self.bow_rotation + math.rad(2)
+    else
+      self.bow_rotation = self.bow_rotation - math.rad(2)
+    end
+    --set in place
+    if math.abs(math.deg(self.bow_rotation) - math.deg(angle)) < 2 then
+        self.bow_rotation = angle
+    end
+
+    -- holding tight dispersion -- also affets arrows
+    if self.bow_rotation == angle then
+      self.bow_rotation = self.bow_rotation + math.rad(math.random(math.abs(self.bow_frame-self.bow_aim_frames-self.bow_frames)/2))
+    end
+
+    -- AIMING AI
+
+      self.bow_subframe = self.bow_subframe + current_dt
+
+    if self.bow_subframe > self.bow_speed then
+      self.bow_subframe = self.bow_subframe - self.bow_speed
+      if self.bow_frame == 3 then
+        self.bow_aim_frame = self.bow_aim_frame + 1
+        if self.bow_aim_frame > self.bow_aim_frames then
+          self.bow_aim_frame = self.bow_aim_frame - self.bow_aim_frames
+          self.bow_frame = self.bow_frame + 1
+          Arrow:New(self.pos.x,self.pos.y,self.bow_rotation,30)
+        end
+      else
+        self.bow_frame = self.bow_frame + 1
+      end
+      if self.bow_frame > self.bow_frames + self.bow_extraframes then
+        self.bow_frame = self.bow_frame - self.bow_frames - self.bow_extraframes
+      end
+    end
+  else
+    self.bow_frame = 6
+    self.draw_bow = true
+    -- rest bow animation
+    if distance_x > 0 then
+      if self.bow_rotation > math.rad(45) then
+        self.bow_rotation = self.bow_rotation - math.rad(3)
+      elseif self.bow_rotation < math.rad(45) then
+        self.bow_rotation = self.bow_rotation + math.rad(3)
+      end
+
+      -- set in place
+      if math.abs(math.deg(self.bow_rotation) - 45) < 3 then
+          self.bow_rotation = math.rad(45)
+      end
+      self.sprite_flip.x = 1
+    else
+      if self.bow_rotation > math.rad(135) then
+        self.bow_rotation = self.bow_rotation - math.rad(3)
+      elseif self.bow_rotation < math.rad(135) then
+        self.bow_rotation = self.bow_rotation + math.rad(3)
+      end
+      -- set in place
+      if math.abs(math.deg(self.bow_rotation) - 135) < 3 then
+        self.bow_rotation = math.rad(135)
+      end
+      self.sprite_flip.x = -1
+    end
+  end
+  self.angle = angle
 end
 
 function Kupo:HandleAnimation()
   	-- flip sprite to look in the direction is moving
-  	if self.vel.x ~= 0 then self.flip.x = math.sign(self.vel.x) end
+  	if self.vel.x ~= 0 then self.sprite_flip.x = math.sign(self.vel.x) end
     self:LoadAnimation(animation.kupo.body)
+    if self.draw_bow == true then
+      DrawAnimationFrame(
+        self.bow,
+        math.min(self.bow_frame,self.bow_frames),
+        self.pos.x + (    8 * math.sin(self.bow_rotation)) * game.scale,
+        self.pos.y + (2 - 6 * math.cos(self.bow_rotation)) * game.scale,
+        self.bow_rotation
+      )
+    end
+if debug_collision then
+    love.graphics.setColor(1,0,0)
+    love.graphics.line(
+      self.pos.x - Camera.pos.x,
+      self.pos.y - Camera.pos.y,
+      self.target.x - Camera.pos.x,
+      self.target.y - Camera.pos.y
+  )
+  love.graphics.circle( "line", self.pos.x - Camera.pos.x, self.pos.y - Camera.pos.y, self.range )
+    love.graphics.setColor(1,1,1)
+    love.graphics.print(self.bow_rotation, self.pos.x, self.pos.y+30)
+    love.graphics.print(self.angle, self.pos.x, self.pos.y+50)
+  end
 end
 
 function Kupo:DoPhysics()

data/scripts/entities/player.lua

@@ -1,6 +1,44 @@
  Player = Entity:New(x,y)
 
-function Player:DoInput()
+
+ function Player:New(x,y)
+ 	local o = Entity:New(x,y)
+   Player.health = 3
+ 	Player.coins = 0
+
+ 	-- physics
+ 	o.vel = {
+ 		x = 0,
+ 		y = 0
+ 	}
+ 	-- constants
+   o.acc = 90
+ 	o.friction = 20
+ 	o.gravity = 9.81
+ 	o.climbHeight = 4
+ 	o.jumpForce = 5
+ 	o.maxSpeed = 600
+ 	o.jumpMaxSpeed =	 9.5
+ 	o.zeroSpeed = 0.001
+ 	-- bools
+ 	o.isJumping = false
+ 	o.isOnGround = 0
+   o.coyoteValue = 10
+ 	o.isOnLadder = false
+ 	o.canJump = true
+ 	o.canFall = true
+ 	o.canFriction = true
+
+   -- sprite
+ 	o.sprite_offset = {x = 8, y = 16}
+  o.target_offset = {x = 4, y = 12}
+ 	setmetatable(o, self)
+ 	self.__index = self
+
+ 	return o
+ end
+
+function Player:Smart()
 		-- PLATFORMER INPUT
 	if self.isOnGround > 0 then
 		-- apply friction
@@ -42,7 +80,7 @@ end
 function Player:HandleAnimation()
 
 	-- flip sprite to look in the direction is moving
-	if self.vel.x ~= 0 then self.flip.x = math.sign(self.vel.x) end
+	if self.vel.x ~= 0 then self.sprite_flip.x = math.sign(self.vel.x) end
 
 	-- animation manager
 	if self.isOnLadder then
@@ -163,40 +201,3 @@ function Player:DoPhysics()
 		self.vel.x = self.vel.x * (1 - math.min(current_dt * self.friction/20, 1))
 	end
 end
-
-
-function Player:New(x,y)
-	local o = Entity:New(x,y)
-  Player.health = 3
-	Player.coins = 0
-
-	-- physics
-	o.vel = {
-		x = 0,
-		y = 0
-	}
-	-- constants
-  o.acc = 90
-	o.friction = 20
-	o.gravity = 9.81
-	o.climbHeight = 4
-	o.jumpForce = 5
-	o.maxSpeed = 600
-	o.jumpMaxSpeed =	 9.5
-	o.zeroSpeed = 0.001
-	-- bools
-	o.isJumping = false
-	o.isOnGround = 0
-  o.coyoteValue = 10
-	o.isOnLadder = false
-	o.canJump = true
-	o.canFall = true
-	o.canFriction = true
-
-  -- sprite
-	o.offset = {x = -8, y = -16}
-	setmetatable(o, self)
-	self.__index = self
-
-	return o
-end

data/scripts/entity.lua

@@ -6,12 +6,15 @@ function Entity:New(x,y)
 	o.pos = {x = x, y = y}
 	o.vel = {x = 0, y = 0}
 	o.class = "Entity"
-	o.anim_subframe = 0
+	o.anim = {}
-	o.anim_frame = 0
+	o.anim.subframe = 0
-	o.anim_imgs = {}
+	o.anim.frame = 1
-	o.offset = {x = 0, y = 0}
+	o.anim.imgs = {}
-	o.scale = {x = 1, y = 1}
+	o.animations = {}
-	o.flip = { x = 1, y = 1}
+	o.sprite_offset = {x = 0, y = 0}
+	o.sprite_scale = {x = 1, y = 1}
+	o.sprite_rotation = math.rad(0)
+	o.sprite_flip = { x = 1, y = 1}
 	setmetatable(o, self)
 	self.__index = self
 	return o
@@ -23,52 +26,128 @@ end
 
 function Entity:Draw()
 	if self.sprite ~= nil then
+		local relative_position_x = self.pos.x - Camera.pos.x
+		local relative_position_y = self.pos.y - Camera.pos.y
+		local origin_compensation_x = - ( (self.sprite_offset.x) * math.cos(self.sprite_rotation) - (self.sprite_offset.y) * math.sin(self.sprite_rotation)) * game.scale
+		local origin_compensation_y = - ( (self.sprite_offset.x) * math.sin(self.sprite_rotation) + (self.sprite_offset.y) * math.cos(self.sprite_rotation)) * game.scale
+		local dimensions_x = self.sprite_scale.x * self.sprite_flip.x
+		local dimensions_y = self.sprite_scale.y * self.sprite_flip.y
 		love.graphics.draw(
 			self.sprite,
-			self.pos.x - Camera.pos.x + self.offset.x * game.scale * self.scale.x * self.flip.x,
+			relative_position_x + origin_compensation_x * dimensions_x,
-			self.pos.y - Camera.pos.y + self.offset.y * game.scale * self.scale.y * self.flip.y,
+			relative_position_y + origin_compensation_y * dimensions_y,
-			0,
+			self.sprite_rotation,
-			game.scale * self.scale.x * self.flip.x,
+			game.scale * self.sprite_scale.x * self.sprite_flip.x,
-			game.scale * self.scale.y * self.flip.y
+			game.scale * self.sprite_scale.y * self.sprite_flip.y
 		)
+		if debug_collision then
+		  love.graphics.setColor(1, 0, 0)
+		  love.graphics.circle( "line", relative_position_x, relative_position_y, 2 )
+		  love.graphics.setColor(0, 1 ,0)
+		  love.graphics.circle( "line",
+				relative_position_x + origin_compensation_x * dimensions_x,
+				relative_position_y + origin_compensation_y * dimensions_y,
+		    2
+			)
+		 end
+	  love.graphics.setColor(1, 1 ,1)
 	end
 end
 
+function Entity:NewAnimation(anim,frames,speed)
+	local anim_data = {
+		frame = 1,
+		subframe = 1,
+		path = anim.path,
+		frames = anim.frames,
+		speed = anim.speed,
+		imgs = anim.imgs
+	}
+	self.animations[#self.animations+1] = anim_data
+
+	return self.animations[#self.animations]
+end
+
+function DrawAnimationFrame(animation, frame, x, y, rotate, sx, sy)
+	local x = x or 0
+	local y = y or 0
+	local sx = sx or 1
+	local sy = sy or 1
+	love.graphics.draw(
+		animation.imgs[frame],
+		x - Camera.pos.x,
+		y - Camera.pos.y,
+		rotate,
+		game.scale * sx,
+		game.scale * sy
+	)
+end
+
+function DrawAnimation(animation, x, y, rotate, sx, sy)
+	local x = x or 0
+	local y = y or 0
+	local sx = sx or 1
+	local sy = sy or 1
+	if game_paused ~= true then
+			-- try to animate
+			animation.subframe = animation.subframe + current_dt
+
+			if animation.subframe >= animation.speed then
+				animation.frame = animation.frame + 1
+				animation.subframe = animation.subframe - animation.speed
+			end
+
+			-- cycle
+			if animation.frame >= animation.frames+1 then
+				animation.frame = animation.frame - animation.frames
+			end
+		end
+		love.graphics.draw(
+			animation.imgs[animation.frame],
+		  x - Camera.pos.x,
+		  y - Camera.pos.y,
+			rotate,
+			game.scale * sx,
+			game.scale * sy
+		)
+end
+
 function Entity:Animate()
 	if game_paused ~= true then
 			-- try to animate
-			self.anim_subframe = self.anim_subframe + current_dt
+			self.anim.subframe = self.anim.subframe + current_dt
 
-			if self.anim_subframe >= self.anim_speed then
+			if self.anim.subframe >= self.anim.speed then
-				self.anim_frame = self.anim_frame + 1
+				self.anim.frame = self.anim.frame + 1
-				self.anim_subframe = self.anim_subframe - self.anim_speed
+				self.anim.subframe = self.anim.subframe - self.anim.speed
 			end
 
 			-- cycle
-			if self.anim_frame >= self.anim_frames+1 then
+			if self.anim.frame >= self.anim.frames+1 then
-				self.anim_frame = self.anim_frame - self.anim_frames
+				self.anim.frame = self.anim.frame - self.anim.frames
 			end
 
 			-- change
-			self.sprite = self.anim_imgs[self.anim_frame]
+			self.sprite = self.anim.imgs[self.anim.frame]
 		end
 end
 
 function Entity:LoadAnimation(anim,frames,speed)
-	if self.anim_path ~= anim and self.anim_path ~= anim.path then
+	if self.anim.path ~= anim and self.anim.path ~= anim.path then
 		if frames ~= nil and speed ~= nil then
-			self.anim_path = anim or nil
+			self.anim.path = anim or nil
-			self.anim_frames = frames or 4
+			self.anim.frames = frames or 4
-			self.anim_speed = speed or frames
+			self.anim.speed = speed or frames
 		else
-			self.anim_path = anim.path
+			self.anim.path = anim.path
-			self.anim_frames = anim.frames
+			self.anim.frames = anim.frames
-			self.anim_speed = anim.speed
+			self.anim.speed = anim.speed
 		end
 
-		self.anim_imgs = anim.imgs
+		self.anim.imgs = anim.imgs
 	end
 end
 
 require "data/scripts/entities/kupo"
+require "data/scripts/entities/arrow"
 require "data/scripts/entities/player"

data/scripts/enums.lua

@@ -1,6 +1,3 @@
-image = {
-	background = love.graphics.newImage("assets/terrain/background.png")
-}
 -- animations
 animation = {
 	kupo = {
@@ -12,7 +9,12 @@ animation = {
 			bow = {
 				path = "assets/characters/kupo/kupo_bow",
 				frames = 6,
-				speed = 1/8
+				speed = 1/10
+			},
+			arrow = {
+				path = "assets/characters/kupo/kupo_arrow",
+				frames = 1,
+				speed = 1
 			}
 	},
 	nancy = {

data/scripts/math.lua

@@ -6,4 +6,4 @@ function math.sign(x)
    else
      return 0
    end
-end
+end

main.lua

@@ -11,7 +11,7 @@ function love.load()
 	love.keyboard.setKeyRepeat(true)
 	love.graphics.setDefaultFilter("nearest") -- good pixel
 	game = {
-		scale = 2,
+		scale = 1,
 		width = love.graphics.getWidth(),
 		height = love.graphics.getHeight(),
 		paused = false
@@ -26,7 +26,8 @@ function love.load()
 	main_Player = Player:New(1220,220)
 	LoadedEntities = {}
 	table.insert(LoadedEntities,main_Player)
-	table.insert(LoadedEntities,Kupo:New(800,200))
+	table.insert(LoadedEntities,Kupo:New(700,200))
+	table.insert(LoadedEntities,Kupo:New(500,300))
 	main_Player.sprite = love.graphics.newImage("assets/characters/nancy/idle1.png")
 	main_Player:LoadAnimation(animation.nancy.idle)
 end
@@ -52,10 +53,8 @@ function love.update(dt)
 	if not do_pause then
 		SetCollisionFlags(main_Player)
 		for _, enty in pairs(LoadedEntities) do
-			enty:DoInput()
+			enty:Smart()
 			enty:DoPhysics()
-			enty:HandleAnimation()
-			enty:Animate()
 		end
 		AnimateTiles()
 		Camera:CenterAt(main_Player.pos.x, main_Player.pos.y,LevelInfo.Width,LevelInfo.Height)
@@ -105,6 +104,8 @@ end
 function love.draw()
 	LevelDisplayBackground()
 	for _, enty in pairs(LoadedEntities) do
+		enty:HandleAnimation()
+		enty:Animate()
 		enty:Draw()
 	end
 	LevelDisplayForeground()