mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-10-16 21:04:17 +00:00
Added image shadow.
This commit is contained in:
Marcus Ihde
parent
1df451ec48
commit
f40ccd8e4e
86
example.lua
Normal file
86
example.lua
Normal file
@ -0,0 +1,86 @@
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require "postshader"
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require "light"
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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 = love.light.newWorld()
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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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BIN
gfx/cone_large.png
Normal file
BIN
gfx/cone_large.png
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Binary file not shown.
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After Width: | Height: | Size: 1.5 KiB |
BIN
gfx/cone_large_normal.png
Normal file
BIN
gfx/cone_large_normal.png
Normal file
Binary file not shown.
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After Width: | Height: | Size: 1.6 KiB |
66
main.lua
66
main.lua
@ -48,6 +48,8 @@ function love.load()
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circle = love.graphics.newImage("gfx/circle.png")
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circle_normal = love.graphics.newImage("gfx/circle_normal.png")
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cone = love.graphics.newImage("gfx/cone.png")
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cone_large = love.graphics.newImage("gfx/cone_large.png")
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cone_large_normal = love.graphics.newImage("gfx/cone_large_normal.png")
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cone_normal = love.graphics.newImage("gfx/cone_normal.png")
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chest = love.graphics.newImage("gfx/chest.png")
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chest_normal = love.graphics.newImage("gfx/chest_normal.png")
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@ -92,7 +94,7 @@ function love.load()
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lightOn = true
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gravityOn = 1
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shadowBlur = 2.0
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bloomOn = true
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bloomOn = 0.25
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textureOn = true
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normalOn = false
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glowBlur = 1.0
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@ -189,7 +191,7 @@ function love.update(dt)
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end
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if phyLight[i].getType() == "refraction" then
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--if math.mod(i, 2) == 0 then
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phyLight[i].setTileOffset(tileX, tileY)
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phyLight[i].setNormalTileOffset(tileX, tileY)
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--end
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if offsetChanged then
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phyLight[i].setPosition(phyLight[i].getX() + (offsetX - offsetOldX), phyLight[i].getY() + (offsetY - offsetOldY))
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@ -272,10 +274,10 @@ function love.draw()
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if not normalOn then
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math.randomseed(i)
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love.graphics.setColor(math.random(127, 255), math.random(127, 255), math.random(127, 255))
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love.graphics.draw(phyLight[i].img, phyLight[i].x - phyLight[i].ox2, phyLight[i].y - phyLight[i].oy2)
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love.graphics.draw(phyLight[i].img, phyLight[i].x - phyLight[i].ix, phyLight[i].y - phyLight[i].iy)
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elseif phyLight[i].normal then
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love.graphics.setColor(255, 255, 255)
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love.graphics.draw(phyLight[i].normal, phyLight[i].x - phyLight[i].ox2, phyLight[i].y - phyLight[i].oy2)
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love.graphics.draw(phyLight[i].normal, phyLight[i].x - phyLight[i].nx, phyLight[i].y - phyLight[i].ny)
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end
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end
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end
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@ -333,9 +335,9 @@ function love.draw()
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love.graphics.setColor(255, 0, 0)
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love.graphics.print("F5: Shadowblur (off)", 4 + 152 * 4, 4)
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end
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if bloomOn then
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if bloomOn > 0.0 then
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love.graphics.setColor(0, 255, 0)
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love.graphics.print("F6: Bloom (on)", 4 + 152 * 0, 4 + 20 * 1)
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love.graphics.print("F6: Bloom (" .. (bloomOn * 4) .. ")", 4 + 152 * 0, 4 + 20 * 1)
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else
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love.graphics.setColor(255, 0, 0)
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love.graphics.print("F6: Bloom (off)", 4 + 152 * 0, 4 + 20 * 1)
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@ -380,14 +382,18 @@ function love.draw()
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end
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-- draw shader
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if bloomOn then
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if colorAberration > 0.0 then
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love.postshader.addEffect("blur", 2.0, 2.0)
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love.postshader.addEffect("chromatic", math.sin(lightDirection * 10.0) * colorAberration, math.cos(lightDirection * 10.0) * colorAberration, math.cos(lightDirection * 10.0) * colorAberration, math.sin(lightDirection * 10.0) * -colorAberration, math.sin(lightDirection * 10.0) * colorAberration, math.cos(lightDirection * 10.0) * -colorAberration)
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end
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love.postshader.addEffect("bloom")
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love.postshader.draw()
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if colorAberration > 0.0 then
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-- vert / horz blur
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love.postshader.addEffect("blur", 2.0, 2.0)
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love.postshader.addEffect("chromatic", math.sin(lightDirection * 10.0) * colorAberration, math.cos(lightDirection * 10.0) * colorAberration, math.cos(lightDirection * 10.0) * colorAberration, math.sin(lightDirection * 10.0) * -colorAberration, math.sin(lightDirection * 10.0) * colorAberration, math.cos(lightDirection * 10.0) * -colorAberration)
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end
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if bloomOn > 0.0 then
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-- blur, strength
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love.postshader.addEffect("bloom", 2.0, bloomOn)
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end
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love.postshader.draw()
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end
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function love.mousepressed(x, y, c)
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@ -453,7 +459,10 @@ function love.keypressed(k, u)
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end
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lightWorld.setBlur(shadowBlur)
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elseif k == "f6" or k == "b" then
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bloomOn = not bloomOn
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bloomOn = math.max(0.25, bloomOn * 2.0)
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if bloomOn > 1.0 then
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bloomOn = 0.0
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end
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elseif k == "f7" then
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textureOn = not textureOn
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elseif k == "f8" then
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@ -466,7 +475,7 @@ function love.keypressed(k, u)
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lightWorld.setGlowStrength(glowBlur)
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elseif k == "f11" then
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physicWorld:destroy()
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lightWorld.clearObjects()
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lightWorld.clearBodys()
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initScene()
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elseif k == "f12" then
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lightWorld.clearLights()
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@ -478,6 +487,7 @@ function love.keypressed(k, u)
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(circle, mx, my)
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phyLight[phyCnt].setNormalMap(circle_normal)
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phyLight[phyCnt].setShadowType("circle", 16)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 32, 32)
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phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
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@ -485,8 +495,9 @@ function love.keypressed(k, u)
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elseif k == "2" then
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-- add image
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(cone, mx, my, 24, 12, 12, 28)
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phyLight[phyCnt] = lightWorld.newImage(cone, mx, my, 24, 12, 12, 16)
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phyLight[phyCnt].setNormalMap(cone_normal)
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--phyLight[phyCnt].setShadowType("circle", 12, 0, -8)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 24, 32)
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phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
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@ -494,7 +505,7 @@ function love.keypressed(k, u)
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elseif k == "3" then
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-- add image
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(chest, mx, my, 32, 24, 16, 36)
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phyLight[phyCnt] = lightWorld.newImage(chest, mx, my, 32, 24, 16, 0)
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phyLight[phyCnt].setNormalMap(chest_normal)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 32, 24)
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@ -502,10 +513,10 @@ function love.keypressed(k, u)
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phyFixture[phyCnt]:setRestitution(0.5)
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elseif k == "4" then
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-- add glow image
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local r = lightWorld.getImageCount() % 5
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local r = lightWorld.getBodyCount() % 5
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if r == 0 then
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(machine, mx, my, 32, 24, 16, 36)
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phyLight[phyCnt] = lightWorld.newImage(machine, mx, my, 32, 24, 16, 0)
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phyLight[phyCnt].setNormalMap(machine_normal)
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phyLight[phyCnt].setGlowMap(machine_glow)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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@ -514,7 +525,7 @@ function love.keypressed(k, u)
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phyFixture[phyCnt]:setRestitution(0.5)
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elseif r == 1 then
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(machine2, mx, my, 24, 12, 12, 28)
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phyLight[phyCnt] = lightWorld.newImage(machine2, mx, my, 24, 12, 12, -4)
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phyLight[phyCnt].setNormalMap(machine2_normal)
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phyLight[phyCnt].setGlowMap(machine2_glow)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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@ -523,7 +534,7 @@ function love.keypressed(k, u)
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phyFixture[phyCnt]:setRestitution(0.5)
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elseif r == 2 then
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(led, mx, my, 32, 6, 16, 27)
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phyLight[phyCnt] = lightWorld.newImage(led, mx, my, 32, 6, 16, -8)
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phyLight[phyCnt].setNormalMap(led_normal)
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phyLight[phyCnt].setGlowMap(led_glow)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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@ -532,7 +543,7 @@ function love.keypressed(k, u)
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phyFixture[phyCnt]:setRestitution(0.5)
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elseif r == 3 then
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(led2, mx, my, 32, 6, 16, 27)
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phyLight[phyCnt] = lightWorld.newImage(led2, mx, my, 32, 6, 16, -8)
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phyLight[phyCnt].setNormalMap(led_normal)
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phyLight[phyCnt].setGlowMap(led_glow2)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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@ -541,7 +552,7 @@ function love.keypressed(k, u)
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phyFixture[phyCnt]:setRestitution(0.5)
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elseif r == 4 then
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(led3, mx, my, 32, 6, 16, 27)
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phyLight[phyCnt] = lightWorld.newImage(led3, mx, my, 32, 6, 16, -8)
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phyLight[phyCnt].setNormalMap(led_normal)
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phyLight[phyCnt].setGlowMap(led_glow3)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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@ -552,9 +563,9 @@ function love.keypressed(k, u)
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elseif k == "5" then
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-- add image
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(machine2, mx, my, 24, 12, 12, 28)
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phyLight[phyCnt].setNormalMap(machine2_normal)
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phyLight[phyCnt].setGlowMap(machine2_glow)
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phyLight[phyCnt] = lightWorld.newImage(cone_large, mx, my, 24, 128, 12, 64)
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phyLight[phyCnt].setNormalMap(cone_large_normal)
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phyLight[phyCnt].setShadowType("image", 0, -6, 0.0)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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phyShape[phyCnt] = love.physics.newRectangleShape(0, 0, 24, 32)
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phyFixture[phyCnt] = love.physics.newFixture(phyBody[phyCnt], phyShape[phyCnt])
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@ -562,7 +573,7 @@ function love.keypressed(k, u)
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elseif k == "6" then
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-- add image
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newImage(blopp, mx, my, 42, 16, 21, 20)
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phyLight[phyCnt] = lightWorld.newImage(blopp, mx, my, 42, 16, 21, 0)
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phyLight[phyCnt].generateNormalMapGradient("gradient", "gradient")
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phyLight[phyCnt].setAlpha(0.5)
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phyBody[phyCnt] = love.physics.newBody(physicWorld, mx, my, "dynamic")
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@ -615,6 +626,7 @@ function love.keypressed(k, u)
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elseif k == "0" then
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phyCnt = phyCnt + 1
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phyLight[phyCnt] = lightWorld.newRefraction(refraction_normal, mx, my)
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phyLight[phyCnt].setReflection(true)
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elseif k == "l" then
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-- add light
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local r = lightWorld.getLightCount() % 3
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@ -1,40 +0,0 @@
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require "light"
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function love.load()
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-- create light world
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lightWorld = love.light.newWorld()
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lightWorld.setAmbientColor(15, 15, 31)
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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, 32)
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rectangleTest = lightWorld.newRectangle(512, 512, 64, 64)
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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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-- 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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-- 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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-- draw lightmap shine
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lightWorld.drawShine()
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end
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@ -27,6 +27,8 @@ love.postshader.addEffect = function(shader, ...)
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if shader == "bloom" then
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-- Bloom Shader
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LOVE_POSTSHADER_BLURV:send("steps", args[1] or 2.0)
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LOVE_POSTSHADER_BLURH:send("steps", args[1] or 2.0)
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love.graphics.setCanvas(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setBlendMode("alpha")
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@ -44,7 +46,7 @@ love.postshader.addEffect = function(shader, ...)
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love.graphics.setColor(255, 255, 255)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_RENDER)
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love.graphics.setBlendMode("additive")
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love.graphics.setColor(255, 255, 255, 63)
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love.graphics.setColor(255, 255, 255, (args[2] or 0.25) * 255)
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love.graphics.draw(LOVE_POSTSHADER_BUFFER_BACK)
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love.graphics.setBlendMode("alpha")
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elseif shader == "blur" then
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@ -2,13 +2,17 @@ extern Image backBuffer;
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extern vec2 screen = vec2(800.0, 600.0);
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extern float refractionStrength = 1.0;
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extern vec3 refractionColor = vec3(1.0, 1.0, 1.0);
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|
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vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {
|
||||
vec2 pSize = vec2(1.0 / screen.x, 1.0 / screen.y);
|
||||
vec4 normal = Texel(texture, texture_coords);
|
||||
if(normal.b > 0.0) {
|
||||
return vec4(Texel(backBuffer, vec2(texture_coords.x + (normal.x - 0.5) * pSize.x * refractionStrength, texture_coords.y + (normal.y - 0.5) * pSize.y * refractionStrength)).rgb * refractionColor, 1.0);
|
||||
if(normal.a > 0.0) {
|
||||
vec4 normalOffset = Texel(texture, vec2(texture_coords.x + (normal.x - 0.5) * pSize.x * refractionStrength, texture_coords.y + (normal.y - 0.5) * pSize.y * refractionStrength));
|
||||
if(normalOffset.a > 0.0) {
|
||||
return Texel(backBuffer, vec2(texture_coords.x + (normal.x - 0.5) * pSize.x * refractionStrength, texture_coords.y + (normal.y - 0.5) * pSize.y * refractionStrength));
|
||||
} else {
|
||||
return Texel(backBuffer, texture_coords);
|
||||
}
|
||||
} else {
|
||||
return vec4(0.0);
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user