light_world.lua/examples/short.lua

93 lines
2.8 KiB
Lua

-- Example: Short Example
require "lib/postshader"
local gamera = require "vendor/gamera"
local LightWorld = require "lib/light_world"
function love.load()
scale = 1
camera = gamera.new(0,0,2000,2000)
-- load images
image = love.graphics.newImage("gfx/machine2.png")
image_normal = love.graphics.newImage("gfx/cone_normal.png")
normal = love.graphics.newImage("gfx/refraction_normal.png")
glow = love.graphics.newImage("gfx/machine2_glow.png")
-- create light world
lightWorld = LightWorld()
lightWorld:setAmbientColor(15, 15, 31)
lightWorld:setRefractionStrength(32.0)
-- create light
lightMouse = lightWorld:newLight(0, 0, 255, 127, 63, 300)
lightMouse:setGlowStrength(0.3)
--lightMouse:setSmooth(0.01)
-- create shadow bodys
circleTest = lightWorld:newCircle(256, 256, 16)
rectangleTest = lightWorld:newRectangle(512, 512, 64, 64)
imageTest = lightWorld:newImage(image, 64, 64, 24, 6)
imageTest:setNormalMap(image_normal)
imageTest:setGlowMap(glow)
imageTest:setOffset(12, -10)
-- create body object
objectTest = lightWorld:newRefraction(normal, 64, 64, 128, 128)
--objectTest:setShine(false)
--objectTest:setShadowType("rectangle")
--objectTest:setShadowDimension(64, 64)
objectTest:setReflection(true)
-- set background
quadScreen = love.graphics.newQuad(0, 0, love.window.getWidth(), love.window.getHeight(), 32, 24)
imgFloor = love.graphics.newImage("gfx/floor.png")
imgFloor:setWrap("repeat", "repeat")
end
function love.update(dt)
love.window.setTitle("Light vs. Shadow Engine (FPS:" .. love.timer.getFPS() .. ")")
local x, y = camera:getPosition()
if love.keyboard.isDown("up") then
y = y - dt * 200
elseif love.keyboard.isDown("down") then
y = y + dt * 200
end
if love.keyboard.isDown("left") then
x = x - dt * 200
elseif love.keyboard.isDown("right") then
x = x + dt * 200
end
if love.keyboard.isDown("-") then
scale = scale - 0.01
elseif love.keyboard.isDown("=") then
scale = scale + 0.01
end
camera:setPosition(x, y)
camera:setScale(scale)
lightMouse:setPosition(camera:toWorld(love.mouse.getX(), love.mouse.getY()))
end
function love.draw()
camera:draw(function(l,t,w,h)
lightWorld:update(l,t,w,h)
love.graphics.setColor(255, 255, 255)
love.graphics.rectangle("fill", 0, 0, 2000, 2000)
lightWorld:drawShadow(l,t,w,h)
love.graphics.setColor(63, 255, 127)
love.graphics.circle("fill", circleTest:getX(), circleTest:getY(), circleTest:getRadius())
love.graphics.polygon("fill", rectangleTest:getPoints())
love.graphics.setColor(255, 255, 255)
love.graphics.draw(image, 64 - image:getWidth() * 0.5, 64 - image:getHeight() * 0.5)
lightWorld:drawShine(l,t,w,h)
lightWorld:drawPixelShadow(l,t,w,h)
lightWorld:drawGlow(l,t,w,h)
lightWorld:drawRefraction(l,t,w,h)
lightWorld:drawReflection(l,t,w,h)
end)
end