mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-12-24 20:24:19 +00:00
82 lines
2.6 KiB
Lua
82 lines
2.6 KiB
Lua
local PostShader = require "lib/postshader"
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local colorAberration = 0
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local post_shader, render_buffer
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local img
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local function load()
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post_shader = PostShader()
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render_buffer = love.graphics.newCanvas(love.graphics.getWidth(), love.graphics.getHeight())
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img = love.graphics.newImage("examples/img/postshaders/kingscard.jpeg")
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end
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local function keypressed(k)
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if k == "1" then
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post_shader:toggleEffect("four_colors", {0.05, 0.21, 0.05}, {0.18, 0.38, 0.18}, {0.54, 0.67, 0.05}, {0.60, 0.73, 0.05})
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elseif k == "2" then
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post_shader:toggleEffect("monochrome")
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elseif k == "3" then
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post_shader:toggleEffect("scanlines")
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elseif k == "4" then
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post_shader:toggleEffect("tilt_shift", 4.0)
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elseif k == "5" then
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post_shader:toggleEffect("bloom", 2.0, 0.25)
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elseif k == "6" then
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post_shader:toggleEffect("blur", 10.0, 10.0)
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elseif k == "7" then
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post_shader:toggleEffect("black_and_white")
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elseif k == "8" then
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post_shader:toggleEffect("curvature")
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elseif k == "9" then
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post_shader:toggleEffect("edges")
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elseif k == "0" then
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post_shader:toggleEffect("hdr_tv")
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elseif k == "q" then
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post_shader:toggleEffect("phosphor")
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elseif k == "w" then
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post_shader:toggleEffect("phosphorish")
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elseif k == "e" then
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post_shader:toggleEffect("pip")
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elseif k == "r" then
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post_shader:toggleEffect("pixellate")
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elseif k == "t" then
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post_shader:toggleEffect("radialblur")
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elseif k == "y" then
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post_shader:toggleEffect("waterpaint")
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elseif k == "c" then
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colorAberration = 3.0
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post_shader:addEffect("blur", 2.0, 2.0)
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post_shader:addEffect("chromatic_aberration")
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end
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end
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local function update(dt)
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love.window.setTitle("Light vs. Shadow Engine (FPS:" .. love.timer.getFPS() .. ")")
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colorAberration = math.max(0.0, colorAberration - dt * 10.0)
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if colorAberration <= 0.0 then
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post_shader:removeEffect("blur")
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post_shader:removeEffect("chromatic_aberration")
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end
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end
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local function draw()
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local w, h = love.graphics.getWidth(), love.graphics.getHeight()
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love.graphics.setCanvas(render_buffer)
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love.graphics.clear()
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love.graphics.setColor(1, 1, 1)
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love.graphics.draw(img, 250, 100, 0, 0.5)
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love.graphics.setCanvas()
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post_shader:drawWith(render_buffer)
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love.graphics.setBlendMode("alpha")
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love.graphics.setColor(0, 0, 0, 0.74)
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love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), 24)
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love.graphics.setColor(0, 1, 0)
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love.graphics.print("To toggle postshaders, use 0-9 and q->y, c for chromatic aberration")
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end
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return {
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load = load,
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update = update,
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draw = draw,
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keypressed = keypressed,
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}
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