mirror of
https://github.com/tanema/light_world.lua.git
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88 lines
2.5 KiB
Lua
88 lines
2.5 KiB
Lua
-- Example: Short Example
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require "lib/postshader"
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local LightWorld = require "lib/light_world"
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function love.load()
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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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lightWorld:setAmbientColor(15, 15, 31)
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lightWorld:setRefractionStrength(32.0)
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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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--lightMouse:setSmooth(0.01)
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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:newBody("refraction", normal, 64, 64, 128, 128)
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--objectTest:setShine(false)
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--objectTest:setShadowType("rectangle")
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--objectTest:setShadowDimension(64, 64)
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objectTest:setReflection(true)
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-- set background
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quadScreen = love.graphics.newQuad(0, 0, love.window.getWidth(), love.window.getHeight(), 32, 24)
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imgFloor = love.graphics.newImage("gfx/floor.png")
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imgFloor:setWrap("repeat", "repeat")
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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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lightMouse:setPosition(love.mouse.getX(), love.mouse.getY())
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end
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function love.draw()
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-- update lightmap (doesn't need deltatime)
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lightWorld:update()
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love.postshader.setBuffer("render")
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-- draw background
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love.graphics.setColor(255, 255, 255)
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love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), love.graphics.getHeight())
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--love.graphics.draw(imgFloor, quadScreen, 0, 0)
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-- draw lightmap shadows
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lightWorld:drawShadow()
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-- draw scene objects
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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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--love.graphics.rectangle("fill", 128 - 32, 128 - 32, 64, 64)
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-- draw lightmap shine
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lightWorld:drawShine()
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-- draw pixel shadow
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lightWorld:drawPixelShadow()
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-- draw glow
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lightWorld:drawGlow()
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-- draw refraction
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lightWorld:drawRefraction()
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-- draw reflection
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lightWorld:drawReflection()
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love.postshader.draw()
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end
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