mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-12-24 20:24:19 +00:00
137 lines
4.1 KiB
Lua
137 lines
4.1 KiB
Lua
-- Example: Short Example
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local LightWorld = require "lib/light_world"
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function love.load()
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testShader = 0
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x = 0
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y = 0
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scale = 1
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colorAberration = 0.0
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-- load images
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image = love.graphics.newImage("gfx/machine2.png")
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image_normal = love.graphics.newImage("gfx/cone_normal.png")
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normal = love.graphics.newImage("gfx/refraction_normal.png")
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glow = love.graphics.newImage("gfx/machine2_glow.png")
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-- create light world
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lightWorld = LightWorld({
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drawBackground = drawBackground,
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drawForground = drawForground,
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ambient = {55,55,55},
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refractionStrength = 32.0,
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reflectionVisibility = 0.75,
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})
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-- create light
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lightMouse = lightWorld:newLight(0, 0, 255, 127, 63, 300)
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lightMouse:setGlowStrength(0.3)
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-- create shadow bodys
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circleTest = lightWorld:newCircle(256, 256, 16)
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rectangleTest = lightWorld:newRectangle(512, 512, 64, 64)
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imageTest = lightWorld:newImage(image, 64, 64, 24, 6)
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imageTest:setNormalMap(image_normal)
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imageTest:setGlowMap(glow)
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imageTest:setOffset(12, -10)
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-- create body object
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objectTest = lightWorld:newRefraction(normal, 64, 64, 128, 128)
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objectTest:setReflection(true)
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end
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function love.keypressed(k)
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if k == "1" then
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lightWorld.post_shader:toggleEffect("four_colors", {15, 56, 15}, {48, 98, 48}, {139, 172, 15}, {155, 188, 15})
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elseif k == "2" then
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lightWorld.post_shader:toggleEffect("monochrome")
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elseif k == "3" then
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lightWorld.post_shader:toggleEffect("scanlines")
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elseif k == "4" then
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lightWorld.post_shader:toggleEffect("tilt_shift", 4.0)
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elseif k == "5" then
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lightWorld.post_shader:toggleEffect("bloom", 2.0, 0.25)
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elseif k == "6" then
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lightWorld.post_shader:toggleEffect("blur", 2.0, 2.0)
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elseif k == "7" then
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lightWorld.post_shader:toggleEffect("black_and_white")
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elseif k == "8" then
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lightWorld.post_shader:toggleEffect("curvature")
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elseif k == "9" then
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lightWorld.post_shader:toggleEffect("edges")
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elseif k == "0" then
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lightWorld.post_shader:toggleEffect("hdr_tv")
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elseif k == "q" then
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lightWorld.post_shader:toggleEffect("phosphor")
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elseif k == "w" then
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lightWorld.post_shader:toggleEffect("phosphorish")
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elseif k == "e" then
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lightWorld.post_shader:toggleEffect("pip")
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elseif k == "r" then
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lightWorld.post_shader:toggleEffect("pixellate")
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elseif k == "t" then
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lightWorld.post_shader:toggleEffect("radialblur")
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elseif k == "y" then
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lightWorld.post_shader:toggleEffect("waterpaint")
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elseif k == "c" then
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if colorAberration == 0.0 then
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colorAberration = 3.0
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end
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end
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end
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function love.update(dt)
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love.window.setTitle("Light vs. Shadow Engine (FPS:" .. love.timer.getFPS() .. ")")
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if love.keyboard.isDown("up") then
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y = y - dt * 200
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elseif love.keyboard.isDown("down") then
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y = y + dt * 200
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end
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if love.keyboard.isDown("left") then
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x = x - dt * 200
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elseif love.keyboard.isDown("right") then
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x = x + dt * 200
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end
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if love.keyboard.isDown("-") then
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scale = scale - 0.01
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elseif love.keyboard.isDown("=") then
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scale = scale + 0.01
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end
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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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lightWorld.post_shader:addEffect("blur", 2.0, 2.0)
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lightWorld.post_shader:addEffect("chromatic_aberration")
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else
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lightWorld.post_shader:removeEffect("blur")
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lightWorld.post_shader:removeEffect("chromatic_aberration")
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end
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lightMouse:setPosition(love.mouse.getX()/scale, love.mouse.getY()/scale)
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end
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function love.draw()
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love.graphics.push()
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love.graphics.translate(x, y)
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love.graphics.scale(scale)
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lightWorld:draw(x,y,scale)
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love.graphics.pop()
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end
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function drawBackground(l,t,w,h)
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love.graphics.setColor(255, 255, 255)
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love.graphics.rectangle("fill", -l/scale, -t/scale, w/scale, h/scale)
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end
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function drawForground(l,t,w,h)
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love.graphics.setColor(63, 255, 127)
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love.graphics.circle("fill", circleTest:getX(), circleTest:getY(), circleTest:getRadius())
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love.graphics.polygon("fill", rectangleTest:getPoints())
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love.graphics.setColor(255, 255, 255)
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love.graphics.draw(image, 64 - image:getWidth() * 0.5, 64 - image:getHeight() * 0.5)
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end
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