Mothback/data/scripts/entities/player.lua

 Player = Entity:New(x,y)


 function Player:New(x,y)
 	local o = Entity:New(x,y)
  Player.health = 3
 	Player.coins = 0

 	-- physics
  o.moveSpeed = 1.5

  o.boxCollision = {
  	from = {x = -8, y = -16},
  	to = {x = 8, y = 0}
  }

 	o.lightRange = 32
 	-- status
 	o.isJumping = false
 	o.isOnGround = 0
 	o.coyoteValue = 5
 	o.isOnLadder = false
 	o.canJump = true
 	o.canFall = true
 	o.canFriction = true
	o.maskType = animation.moth_mask

	-- sprite
	o.sprite_offset = {x = 8, y = 16}
	o.target_offset = {x = 0, y = 12}
	o.body = Animation:New(animation.nancy.idle)
	o.mask = Animation:New(animation.moth_mask.idle)

  -- lights
	o.light = CreateLight(o.pos.x,o.pos.y,o.lightRange)

 	setmetatable(o, self)
 	self.__index = self

 	return o
 end

function Player:Smart()
  if      love.keyboard.isDown("a") then self.vel.x = -self.moveSpeed
  elseif  love.keyboard.isDown("d") then self.vel.x = self.moveSpeed
  else    self.vel.x = 0            end
  if      love.keyboard.isDown("w") then self.vel.y = -self.moveSpeed
  elseif  love.keyboard.isDown("s") then self.vel.y = self.moveSpeed
  else    self.vel.y = 0            end
end

function Player:DoPhysics()
  self.pos.x = self.pos.x + self.vel.x
  self.pos.y = self.pos.y + self.vel.y
end

function Player:HandleAnimation()
  self.light.pos.x = self.pos.x-self.target_offset.x
  self.light.pos.y = self.pos.y-self.target_offset.y

	-- flip sprite to look in the direction is moving
	if self.vel.x ~= 0 then self.sprite_flip.x = math.sign(self.vel.x) end

	-- animation priority
	if self.vel.y > 1.25 then
		self.body = self.body:ChangeTo(animation.nancy.fall)
		self.mask = self.mask:ChangeTo(self.maskType.fall)
	elseif self.vel.y < 0 then
		self.body = self.body:ChangeTo(animation.nancy.jump)
		self.mask = self.mask:ChangeTo(self.maskType.jump)
	elseif self.vel.x ~= 0 then
		self.body = self.body:ChangeTo(animation.nancy.run)
		self.mask = self.mask:ChangeTo(self.maskType.run)
	else
		self.body = self.body:ChangeTo(animation.nancy.idle)
		self.mask = self.mask:ChangeTo(self.maskType.idle)
	end

	-- special case: idle animation gets slower by time
	if self.body.anim_path == animation.nancy.idle.path then
		if self.body.anim_speed < 0.5 then self.body.anim_speed = self.body.anim_speed + 0.001 end
	end

  self.body:Animate()
  self.body:Draw(
     math.floor(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,
		math.floor(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,
    self.sprite_rotation,
    self.sprite_scale.x * self.sprite_flip.x,
    self.sprite_scale.y * self.sprite_flip.y
  )
  self.mask:Draw(
    math.floor(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,
		math.floor(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,
    self.sprite_rotation,
    self.sprite_scale.x * self.sprite_flip.x,
    self.sprite_scale.y * self.sprite_flip.y
  )
end