76 lines
2.3 KiB
Lua

--- @class Render
--- @field shadowLayer love.Canvas
--- @field spriteLayer love.Canvas
--- @field floorLayer love.Canvas
--- @field overlayLayer love.Canvas
local render = {}
render.__index = render
function render:clear()
love.graphics.setCanvas(self.shadowLayer)
love.graphics.clear()
love.graphics.setCanvas(self.spriteLayer)
love.graphics.clear()
love.graphics.setCanvas(self.floorLayer)
love.graphics.clear()
love.graphics.setCanvas(self.overlayLayer)
love.graphics.clear()
end
local function applyBlur(input, radius)
local blurShader = Tree.assets.files.shaders.blur
local tmp1 = love.graphics.newCanvas(1280, 720)
local tmp2 = love.graphics.newCanvas(1280, 720)
-- Горизонтальный проход
blurShader:send("direction", { 1.0, 0.0 })
blurShader:send("radius", radius)
tmp1:renderTo(function()
love.graphics.setShader(blurShader)
love.graphics.draw(input)
love.graphics.setShader()
end)
-- Вертикальный проход
tmp2:renderTo(
function()
love.graphics.setShader(blurShader)
blurShader:send("direction", { 0.0, 1.0 })
love.graphics.draw(tmp1)
love.graphics.setShader()
end
)
return tmp2
end
function render:draw()
-- пол -> тени -> спрайты -> оверлей
love.graphics.draw(self.floorLayer)
love.graphics.push()
local blurred = applyBlur(self.shadowLayer, 2)
local wc, hc = love.graphics.getWidth() / 2, love.graphics.getHeight() / 2
love.graphics.translate(wc, hc)
love.graphics.scale(Tree.level.camera.scale, Tree.level.camera.scale)
love.graphics.translate(-Tree.level.camera.position.x * Tree.level.camera.pixelsPerMeter,
-Tree.level.camera.position.y * Tree.level.camera.pixelsPerMeter)
love.graphics.draw(blurred)
love.graphics.pop()
love.graphics.draw(self.spriteLayer)
love.graphics.draw(self.overlayLayer)
end
local function new()
return setmetatable({
shadowLayer = love.graphics.newCanvas(1280, 720),
spriteLayer = love.graphics.newCanvas(1280, 720),
floorLayer = love.graphics.newCanvas(1280, 720),
overlayLayer = love.graphics.newCanvas(1280, 720),
}, render)
end
return { new = new }