mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-12-24 20:24:19 +00:00
86 lines
2.3 KiB
Lua
86 lines
2.3 KiB
Lua
-- Example: Short Example
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local gamera = require "vendor/gamera"
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local LightWorld = require "lib/light_world"
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function love.load()
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scale = 1
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camera = gamera.new(0,0,2000,2000)
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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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})
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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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-- 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.update(dt)
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love.window.setTitle("Light vs. Shadow Engine (FPS:" .. love.timer.getFPS() .. ")")
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local x, y = camera:getPosition()
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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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camera:setPosition(x, y)
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camera:setScale(scale)
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lightMouse:setPosition(camera:toWorld(love.mouse.getX(), love.mouse.getY()))
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end
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function love.draw()
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camera:draw(function(l,t,w,h)
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lightWorld:draw(l,t,w,h,scale)
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end)
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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", 0, 0, 2000, 2000)
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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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