Cercado = {}

-- configuracion tamaño
Cercado.filas = 4
Cercado.columnas = 6

--inicialización tablas para os tiles do cercado
vsi1 = {x=0, y=0, width=50, height=50}
vsd1 = {x=0, y=0, width=50, height=50}
vii1 = {x=0, y=0, width=50, height=50}
vid1 = {x=0, y=0, width=50, height=50}
vli1 = {x=0, y=0, width=50, height=50}
vli2 = {x=0, y=0, width=50, height=50}
vld1 = {x=0, y=0, width=50, height=50}
vld2 = {x=0, y=0, width=50, height=50}
vfo1 = {x=0, y=0, width=50, height=50}
vfo2 = {x=0, y=0, width=50, height=50}
vfo3 = {x=0, y=0, width=50, height=50}
vfo4 = {x=0, y=0, width=50, height=50}
vfr1 = {x=0, y=0, width=50, height=50}
vfr2 = {x=0, y=0, width=50, height=50}

-- imaxen de cada tile
vsi1.sprite = love.graphics.newImage("img/valla-sup-ida.png")
vsd1.sprite = love.graphics.newImage("img/valla-sup-dta.png")
vii1.sprite = love.graphics.newImage("img/valla-inf-ida.png")
vid1.sprite = love.graphics.newImage("img/valla-inf-dta.png")
vli1.sprite = love.graphics.newImage("img/valla-lat-ida.png")
vli2.sprite = love.graphics.newImage("img/valla-lat-ida.png")
vld1.sprite = love.graphics.newImage("img/valla-lat-dta.png")
vld2.sprite = love.graphics.newImage("img/valla-lat-dta.png")
vfo1.sprite = love.graphics.newImage("img/valla-fondo.png")
vfo2.sprite = love.graphics.newImage("img/valla-fondo.png")
vfo3.sprite = love.graphics.newImage("img/valla-fondo.png")
vfo4.sprite = love.graphics.newImage("img/valla-fondo.png")
vfr1.sprite = love.graphics.newImage("img/valla-frente.png")
vfr2.sprite = love.graphics.newImage("img/valla-frente.png")

function Cercado:new(x, y)
    -- self.sprite = love.graphics.newImage("img/cercado.png")
    self.tiles = {
        {vsi1,vfo1,vfo2,vfo3,vfo4,vsd1},
        {vli1, 'x', 'x', 'x', 'x',vld1},
        {vli2, 'x', 'x', 'x', 'x',vld2},
        {vii1,vfr1, 'x', 'x',vfr2,vid1},
    }
    -- self.width = self.sprite:getWidth()
    -- self.height = self.sprite:getHeight()
    self.width = 300  -- cada bloque 50x50 px
    self.height = 240
    self.x = x-self.width/2
    self.y = y-self.height/2
    self.speed = 2

    -- Xenera as físicas para cada tile do cercado
    Y = self.y
    blockSize = 50
    for f = 1,table.getn(self.tiles) do
        X = self.x
        for c = 1,table.getn(self.tiles[f]) do
            if self.tiles[f][c].sprite then
                -- actualiza coordenadas
                self.tiles[f][c].x = X
                self.tiles[f][c].y = Y
                -- asocia físicas
                self.tiles[f][c].body = love.physics.newBody(world, X+25, Y+25)
                self.tiles[f][c].shape = love.physics.newRectangleShape(30,30)
                self.tiles[f][c].fixture = love.physics.newFixture(self.tiles[f][c].body, self.tiles[f][c].shape)
            end
            X = X + blockSize
        end
        Y = Y + blockSize
    end

    return self
end

function Cercado:draw()
    -- recorrese a tabla dos tiles
    for f = 1,table.getn(self.tiles) do
        for c = 1,table.getn(self.tiles[f]) do
            if self.tiles[f][c].sprite then
                -- dibuxa
                love.graphics.polygon("fill", 
                    self.tiles[f][c].body:getWorldPoints(
                        self.tiles[f][c].shape:getPoints()
                    ))
                love.graphics.draw(self.tiles[f][c].sprite, self.tiles[f][c].x, self.tiles[f][c].y)
            end
        end
    end
end