local easing = require "lib.utils.easing"
--- @class ShadowcasterBehavior : Behavior
local behavior = {}
behavior.id = "shadowcaster"
behavior.__index = behavior

function behavior.new() return setmetatable({}, behavior) end

function behavior:draw()
    local sprite = self.owner:has(Tree.behaviors.sprite)
    local positioned = self.owner:has(Tree.behaviors.positioned)
    if not positioned then return end
    if not sprite then return end

    local ppm = Tree.level.camera.pixelsPerMeter
    local position = positioned.position + Vec3 { 0.5, 0.5 }

    local lightIds = Tree.level.lightGrid:query(position, 5)
    --- @type Character[]
    local lights = {}
    for _, id in ipairs(lightIds) do
        table.insert(lights, Tree.level.characters[id])
    end

    -- 1. Эллипс тени
    Tree.level.render:enqueue(Tree.level.render.LAYERS.SHADOW, position.y, function()
        love.graphics.push()
        love.graphics.setColor(0, 0, 0, 1)
        love.graphics.translate(position.x, position.y)
        love.graphics.ellipse("fill", 0, 0, sprite.manifest.size / 2, sprite.manifest.size / 2 * math.cos(math.pi / 4))
        love.graphics.pop()
    end)
end

return behavior