mirror of
https://github.com/tanema/light_world.lua.git
synced 2024-12-11 01:14:26 +00:00
commit
d81a656812
@ -10,12 +10,12 @@ only it has been largely refactored and edited to allow for scaling and proper t
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## How to use
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```lua
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local LightWorld = require "lib/light_world"
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local LightWorld = require "lib" --the path to where light_world is (in this repo "lib")
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-- create light world
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lightWorld = LightWorld({
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drawBackground = drawBackground, --the callback to use for drawing the background
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drawForground = drawForground, --the callback to use for drawing the foreground
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drawForeground = drawForeground, --the callback to use for drawing the foreground
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ambient = {55,55,55}, --the general ambient light in the environment
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})
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2
conf.lua
2
conf.lua
@ -32,4 +32,4 @@ function love.conf(t)
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t.modules.system = true -- Enable the system module (boolean)
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t.modules.timer = true -- Enable the timer module (boolean)
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t.modules.window = true -- Enable the window module (boolean)
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end
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end
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@ -1,5 +1,5 @@
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-- Example: Complex Example
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local LightWorld = require "lib/light_world"
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local LightWorld = require "lib"
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function initScene()
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-- physic world
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@ -94,7 +94,7 @@ function love.load()
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refractionStrength = 16.0,
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reflectionVisibility = 0.75,
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drawBackground = drawBackground,
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drawForground = drawForground
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drawForeground = drawForeground
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})
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mouseLight = lightWorld:newLight(0, 0, 255, 191, 127, lightRange)
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@ -131,9 +131,11 @@ 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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mouseLight:setPosition(love.mouse.getX(), love.mouse.getY(), 16.0 + (math.sin(lightDirection) + 1.0) * 64.0)
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mx = love.mouse.getX()
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my = love.mouse.getY()
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mx, my = (love.mouse.getX() - offsetX)/scale, (love.mouse.getY() - offsetY)/scale
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mouseLight:setPosition(mx, my, 16.0 + (math.sin(lightDirection) + 1.0) * 64.0)
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lightDirection = lightDirection + dt
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colorAberration = math.max(0.0, colorAberration - dt * 10.0)
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@ -357,7 +359,7 @@ function drawBackground(l,t,w,h)
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end
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end
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function drawForground(l,t,w,h)
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function drawForeground(l,t,w,h)
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love.graphics.setBlendMode("alpha")
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for i = 1, phyCnt do
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if phyLight[i]:getType() == "polygon" then
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@ -1,18 +1,18 @@
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-- Example: Normal map Example
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local LightWorld = require "lib/light_world"
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local LightWorld = require "lib"
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function love.load()
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x = 0
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y = 0
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scale = 1
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-- load images
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image = love.graphics.newImage("gfx/crossColor.jpg")
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image_normal = love.graphics.newImage("gfx/crossnrm.jpg")
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image = love.graphics.newImage("gfx/rock.png")
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image_normal = love.graphics.newImage("gfx/rock_n.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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drawForeground = drawForeground,
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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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@ -21,6 +21,7 @@ function love.load()
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-- create light
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lightMouse = lightWorld:newLight(0, 0, 160, 160, 160, 300)
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lightMouse:setGlowStrength(0.3)
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--lightMouse.normalInvert = true
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-- create shadow bodys
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local w, h = love.graphics.getWidth(), love.graphics.getHeight()
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@ -65,7 +66,7 @@ function drawBackground(l,t,w,h)
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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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function drawForeground(l,t,w,h)
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love.graphics.setColor(255, 255, 255)
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local w, h = love.graphics.getWidth(), love.graphics.getHeight()
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love.graphics.draw(image, w/2-(image:getWidth()/2), h/2-(image:getHeight()/2))
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@ -1,5 +1,5 @@
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-- Example: Short Example
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local LightWorld = require "lib/light_world"
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local LightWorld = require "lib"
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function love.load()
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testShader = 0
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@ -16,7 +16,7 @@ function love.load()
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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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drawForeground = drawForeground,
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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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@ -77,6 +77,12 @@ function love.keypressed(k)
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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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elseif k == "f" then
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lightWorld:remove(lightMouse)
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elseif k == "g" then
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lightWorld:remove(circleTest)
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elseif k == "h" then
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lightWorld:remove(rectangleTest)
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end
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end
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@ -110,7 +116,7 @@ function love.update(dt)
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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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lightMouse:setPosition((love.mouse.getX() - x)/scale, (love.mouse.getY() - y)/scale)
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end
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function love.draw()
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@ -132,7 +138,7 @@ function drawBackground(l,t,w,h)
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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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function drawForeground(l,t,w,h)
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love.graphics.setColor(63, 255, 127)
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local cx, cy = circleTest:getPosition()
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love.graphics.circle("fill", cx, cy, circleTest:getRadius())
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BIN
gfx/rock.png
Normal file
BIN
gfx/rock.png
Normal file
Binary file not shown.
After Width: | Height: | Size: 127 KiB |
BIN
gfx/rock_n.png
Normal file
BIN
gfx/rock_n.png
Normal file
Binary file not shown.
After Width: | Height: | Size: 116 KiB |
15
lib/body.lua
15
lib/body.lua
@ -109,6 +109,17 @@ function body:setPosition(x, y)
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end
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end
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-- move position
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function body:move(x, y)
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if x then
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self.x = self.x + x
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end
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if y then
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self.y = self.y + y
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end
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self:refresh()
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end
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-- get x position
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function body:getPosition()
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return self.x, self.y
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@ -617,10 +628,12 @@ function body:calculateCircleShadow(light)
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curShadowGeometry[6] = y3 - (light.y - y3) * shadowLength
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curShadowGeometry[7] = x2 - (light.x - x2) * shadowLength
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curShadowGeometry[8] = y2 - (light.y - y2) * shadowLength
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curShadowGeometry.alpha = self.alpha
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curShadowGeometry.red = self.red
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curShadowGeometry.green = self.green
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curShadowGeometry.blue = self.blue
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curShadowGeometry.alpha = self.alpha
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return curShadowGeometry
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else
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return nil
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@ -21,21 +21,24 @@ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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]]
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local _PACKAGE = (...):match("^(.+)[%./][^%./]+") or ""
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local class = require(_PACKAGE..'/class')
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local Light = require(_PACKAGE..'/light')
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local Body = require(_PACKAGE..'/body')
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local util = require(_PACKAGE..'/util')
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local normal_map = require(_PACKAGE..'/normal_map')
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local PostShader = require(_PACKAGE..'/postshader')
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require(_PACKAGE..'/postshader')
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local _PACKAGE = string.gsub(...,"%.","/") or ""
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if string.len(_PACKAGE) > 0 then
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_PACKAGE = _PACKAGE .. "/"
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end
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local class = require(_PACKAGE..'class')
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local Light = require(_PACKAGE..'light')
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local Body = require(_PACKAGE..'body')
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local util = require(_PACKAGE..'util')
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local normal_map = require(_PACKAGE..'normal_map')
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local PostShader = require(_PACKAGE..'postshader')
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require(_PACKAGE..'postshader')
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local light_world = class()
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light_world.blurv = love.graphics.newShader(_PACKAGE.."/shaders/blurv.glsl")
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light_world.blurh = love.graphics.newShader(_PACKAGE.."/shaders/blurh.glsl")
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light_world.refractionShader = love.graphics.newShader(_PACKAGE.."/shaders/refraction.glsl")
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light_world.reflectionShader = love.graphics.newShader(_PACKAGE.."/shaders/reflection.glsl")
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light_world.blurv = love.graphics.newShader(_PACKAGE.."shaders/blurv.glsl")
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light_world.blurh = love.graphics.newShader(_PACKAGE.."shaders/blurh.glsl")
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light_world.refractionShader = love.graphics.newShader(_PACKAGE.."shaders/refraction.glsl")
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light_world.reflectionShader = love.graphics.newShader(_PACKAGE.."shaders/reflection.glsl")
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function light_world:init(options)
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self.lights = {}
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@ -55,7 +58,7 @@ function light_world:init(options)
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self.glowDown = false
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self.drawBackground = function() end
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self.drawForground = function() end
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self.drawForeground = function() end
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options = options or {}
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for k, v in pairs(options) do self[k] = v end
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@ -99,7 +102,7 @@ function light_world:draw(l,t,s)
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util.drawto(self.render_buffer, l, t, s, function()
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self.drawBackground( l,t,w,h,s)
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self:drawShadow( l,t,w,h,s)
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self.drawForground( l,t,w,h,s)
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self.drawForeground( l,t,w,h,s)
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self:drawMaterial( l,t,w,h,s)
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self:drawShine( l,t,w,h,s)
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self:drawPixelShadow(l,t,w,h,s)
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@ -177,7 +180,7 @@ function light_world:drawPixelShadow(l,t,w,h,s)
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self.pixelShadow2:clear()
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for i = 1, #self.lights do
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self.lights[i]:drawPixelShadow(l,t,w,h, self.normalMap, self.pixelShadow2)
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self.lights[i]:drawPixelShadow(l,t,w,h,s, self.normalMap, self.pixelShadow2)
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end
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self.pixelShadow:clear(255, 255, 255)
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@ -185,7 +188,7 @@ function light_world:drawPixelShadow(l,t,w,h,s)
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util.drawto(self.pixelShadow, l, t, s, function()
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love.graphics.setBlendMode("additive")
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love.graphics.setColor({self.ambient[1], self.ambient[2], self.ambient[3]})
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love.graphics.rectangle("fill", l/s,t/s,w/s,h/s)
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love.graphics.rectangle("fill", -l/s, -t/s, w/s,h/s)
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end)
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util.drawCanvasToCanvas(self.pixelShadow, self.render_buffer, {blendmode = "multiplicative"})
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@ -277,7 +280,7 @@ end
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function light_world:clear()
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light_world:clearLights()
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light_world:clearBodys()
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light_world:clearBodies()
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end
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-- clear lights
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@ -287,7 +290,7 @@ function light_world:clearLights()
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end
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-- clear objects
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function light_world:clearBodys()
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function light_world:clearBodies()
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self.body = {}
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self.isShadows = false
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self.isRefraction = false
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@ -299,7 +302,7 @@ function light_world:setBackgroundMethod(fn)
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end
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function light_world:setForegroundMethod(fn)
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self.drawForground = fn or function() end
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self.drawForeground = fn or function() end
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end
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-- set ambient color
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@ -340,7 +343,7 @@ end
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-- new rectangle
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function light_world:newRectangle(x, y, w, h)
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self.isShadows = true
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return self:newBody("rectangle", x, y, width, height)
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return self:newBody("rectangle", x, y, w, h)
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end
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-- new circle
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@ -414,4 +417,25 @@ function light_world:getLight(n)
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return self.lights[n]
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end
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function light_world:remove(to_kill)
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if to_kill:is_a(Body) then
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for i = 1, #self.body do
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if self.body[i] == to_kill then
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table.remove(self.body, i)
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return true
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end
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end
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elseif to_kill:is_a(Light) then
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for i = 1, #self.lights do
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if self.lights[i] == to_kill then
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table.remove(self.lights, i)
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return true
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end
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end
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end
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-- failed to find it
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return false
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end
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return light_world
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@ -32,6 +32,8 @@ function light:refresh(w, h)
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self.shadow = love.graphics.newCanvas(w, h)
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self.shine = love.graphics.newCanvas(w, h)
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self.normalInvertShader:send('screenResolution', {w, h})
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self.normalShader:send('screenResolution', {w, h})
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end
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-- set position
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@ -47,7 +49,7 @@ end
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-- get x
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function light:getPosition()
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return self.x, self.y
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return self.x, self.y, self.z
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end
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-- set color
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@ -105,15 +107,17 @@ function light:setGlowStrength(strength)
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self.glowStrength = strength
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end
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function light:inRange(l,t,w,h)
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return self.x + self.range > l and
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self.x - self.range < (l+w) and
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self.y + self.range > t and
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self.y - self.range < (t+h)
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function light:inRange(l,t,w,h,s)
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local lx, ly, rs = (self.x + l/s) * s, (self.y + t/s) * s, self.range * s
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return (lx + rs) > 0 and
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(lx - rs) < w/s and
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(ly + rs) > 0 and
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(ly - rs) < h/s
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end
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function light:drawShadow(l,t,w,h,s,bodies, canvas)
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if self.visible and self:inRange(l,t,w,h) then
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if self.visible and self:inRange(l,t,w,h,s) then
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-- calculate shadows
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local shadow_geometry = {}
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for i = 1, #bodies do
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@ -126,7 +130,8 @@ function light:drawShadow(l,t,w,h,s,bodies, canvas)
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-- draw shadow
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self.shadow:clear()
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util.drawto(self.shadow, l, t, s, function()
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self.shader:send("lightPosition", {self.x*s, (h/s - self.y)*s, self.z})
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self.shader:send("lightPosition", {(self.x + l/s) * s, (h/s - (self.y + t/s)) * s, self.z/255.0})
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self.shader:send("lightRange", self.range*s)
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self.shader:send("lightColor", {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
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self.shader:send("lightSmooth", self.smooth)
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@ -164,7 +169,7 @@ function light:drawShadow(l,t,w,h,s,bodies, canvas)
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end
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function light:drawShine(l,t,w,h,s,bodies,canvas)
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if self.visible then
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if self.visible and self:inRange(l,t,w,h,s) then
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--update shine
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self.shine:clear(255, 255, 255)
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util.drawto(self.shine, l, t, s, function()
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@ -179,21 +184,19 @@ function light:drawShine(l,t,w,h,s,bodies,canvas)
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end
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end
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function light:drawPixelShadow(l,t,w,h, normalMap, canvas)
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if self.visible then
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function light:drawPixelShadow(l,t,w,h,s, normalMap, canvas)
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if self.visible and self:inRange(l,t,w,h,s) then
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if self.normalInvert then
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self.normalInvertShader:send('screenResolution', {w, h})
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self.normalInvertShader:send('lightColor', {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
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self.normalInvertShader:send('lightPosition',{self.x, lh - self.y, self.z / 255.0})
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self.normalInvertShader:send("lightPosition", {(self.x + l/s) * s, (h/s - (self.y + t/s)) * s, self.z / 255.0})
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self.normalInvertShader:send('lightRange',{self.range})
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self.normalInvertShader:send("lightSmooth", self.smooth)
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self.normalInvertShader:send("lightAngle", math.pi - self.angle / 2.0)
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self.normalInvertShader:send("lightDirection", self.direction)
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util.drawCanvasToCanvas(normalMap, canvas, {shader = self.normalInvertShader})
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else
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self.normalShader:send('screenResolution', {w, h})
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self.normalShader:send('lightColor', {self.red / 255.0, self.green / 255.0, self.blue / 255.0})
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self.normalShader:send('lightPosition',{self.x, h - self.y, self.z / 255.0})
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self.normalShader:send("lightPosition", {(self.x + l/s) * s, (h/s - (self.y + t/s)) * s, self.z / 255.0})
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self.normalShader:send('lightRange',{self.range})
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self.normalShader:send("lightSmooth", self.smooth)
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self.normalShader:send("lightAngle", math.pi - self.angle / 2.0)
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@ -203,4 +206,8 @@ function light:drawPixelShadow(l,t,w,h, normalMap, canvas)
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end
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end
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function light:setVisible(visible)
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self.visible = visible
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end
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return light
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|
@ -1,5 +1,4 @@
|
||||
extern Image glowImage;
|
||||
|
||||
extern float glowTime;
|
||||
|
||||
vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {
|
||||
@ -17,4 +16,4 @@ vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {
|
||||
}
|
||||
|
||||
return vec4(Texel(texture, texture_coords).rgb * glowInfo.r, 1.0);
|
||||
}
|
||||
}
|
||||
|
352
main.lua
352
main.lua
@ -7,7 +7,7 @@
|
||||
-- Updated by Dresenpai
|
||||
|
||||
require "lib/postshader"
|
||||
local LightWorld = require "lib/light_world"
|
||||
local LightWorld = require "lib"
|
||||
|
||||
exf = {}
|
||||
exf.current = nil
|
||||
@ -15,32 +15,32 @@ exf.current = nil
|
||||
exf.available = {}
|
||||
|
||||
function love.load()
|
||||
exf.list = List:new()
|
||||
exf.smallfont = love.graphics.newFont(love._vera_ttf,12)
|
||||
exf.bigfont = love.graphics.newFont(love._vera_ttf, 24)
|
||||
exf.list.font = exf.smallfont
|
||||
exf.list = List:new()
|
||||
exf.smallfont = love.graphics.newFont(love._vera_ttf,12)
|
||||
exf.bigfont = love.graphics.newFont(love._vera_ttf, 24)
|
||||
exf.list.font = exf.smallfont
|
||||
|
||||
exf.bigball = love.graphics.newImage("gfx/love-big-ball.png")
|
||||
exf.bigball = love.graphics.newImage("gfx/love-big-ball.png")
|
||||
|
||||
-- Find available demos.
|
||||
local files = love.filesystem.getDirectoryItems("examples")
|
||||
-- Find available demos.
|
||||
local files = love.filesystem.getDirectoryItems("examples")
|
||||
local n = 0
|
||||
|
||||
for i, v in ipairs(files) do
|
||||
n = n + 1
|
||||
table.insert(exf.available, v);
|
||||
local file = love.filesystem.newFile(v, love.file_read)
|
||||
file:open("r")
|
||||
local contents = love.filesystem.read("examples/" .. v, 100)
|
||||
local s, e, c = string.find(contents, "Example: ([%a%p ]-)[\r\n]")
|
||||
file:close(file)
|
||||
if not c then c = "Untitled" end
|
||||
local title = exf.getn(n) .. " " .. c .. " (" .. v .. ")"
|
||||
exf.list:add(title, v)
|
||||
end
|
||||
for i, v in ipairs(files) do
|
||||
n = n + 1
|
||||
table.insert(exf.available, v);
|
||||
local file = love.filesystem.newFile(v, love.file_read)
|
||||
file:open("r")
|
||||
local contents = love.filesystem.read("examples/" .. v, 100)
|
||||
local s, e, c = string.find(contents, "Example: ([%a%p ]-)[\r\n]")
|
||||
file:close(file)
|
||||
if not c then c = "Untitled" end
|
||||
local title = exf.getn(n) .. " " .. c .. " (" .. v .. ")"
|
||||
exf.list:add(title, v)
|
||||
end
|
||||
|
||||
exf.list:done()
|
||||
exf.resume()
|
||||
exf.list:done()
|
||||
exf.resume()
|
||||
end
|
||||
|
||||
function love.update(dt) end
|
||||
@ -49,7 +49,6 @@ function love.keypressed(k) end
|
||||
function love.keyreleased(k) end
|
||||
function love.mousepressed(x, y, b) end
|
||||
function love.mousereleased(x, y, b) end
|
||||
|
||||
function exf.empty() end
|
||||
|
||||
function exf.update(dt)
|
||||
@ -77,7 +76,7 @@ function exf.drawBackground()
|
||||
exf.list:draw()
|
||||
end
|
||||
|
||||
function exf.drawForground()
|
||||
function exf.drawForeground()
|
||||
love.graphics.setColor(255, 255, 255)
|
||||
love.graphics.draw(exf.bigball, 800 - 128, 600 - 128, love.timer.getTime(), 1, 1, exf.bigball:getWidth() * 0.5, exf.bigball:getHeight() * 0.5)
|
||||
end
|
||||
@ -89,32 +88,32 @@ function exf.keyreleased(k)
|
||||
end
|
||||
|
||||
function exf.mousepressed(x, y, b)
|
||||
exf.list:mousepressed(x, y, b)
|
||||
exf.list:mousepressed(x, y, b)
|
||||
end
|
||||
|
||||
function exf.mousereleased(x, y, b)
|
||||
exf.list:mousereleased(x, y, b)
|
||||
exf.list:mousereleased(x, y, b)
|
||||
end
|
||||
|
||||
function exf.getn(n)
|
||||
local s = ""
|
||||
n = tonumber(n)
|
||||
local r = n
|
||||
if r <= 0 then error("Example IDs must be bigger than 0. (Got: " .. r .. ")") end
|
||||
if r >= 10000 then error("Example IDs must be less than 10000. (Got: " .. r .. ")") end
|
||||
while r < 1000 do
|
||||
s = s .. "0"
|
||||
r = r * 10
|
||||
end
|
||||
s = s .. n
|
||||
return s
|
||||
local s = ""
|
||||
n = tonumber(n)
|
||||
local r = n
|
||||
if r <= 0 then error("Example IDs must be bigger than 0. (Got: " .. r .. ")") end
|
||||
if r >= 10000 then error("Example IDs must be less than 10000. (Got: " .. r .. ")") end
|
||||
while r < 1000 do
|
||||
s = s .. "0"
|
||||
r = r * 10
|
||||
end
|
||||
s = s .. n
|
||||
return s
|
||||
end
|
||||
|
||||
function exf.intable(t, e)
|
||||
for k, v in ipairs(t) do
|
||||
if v == e then return true end
|
||||
end
|
||||
return false
|
||||
for k, v in ipairs(t) do
|
||||
if v == e then return true end
|
||||
end
|
||||
return false
|
||||
end
|
||||
|
||||
function exf.start(item, file)
|
||||
@ -159,32 +158,30 @@ function exf.start(item, file)
|
||||
end
|
||||
|
||||
function exf.clear()
|
||||
love.graphics.setBackgroundColor(0,0,0)
|
||||
love.graphics.setColor(255, 255, 255)
|
||||
love.graphics.setBackgroundColor(0,0,0)
|
||||
love.graphics.setColor(255, 255, 255)
|
||||
love.graphics.setLineWidth(1)
|
||||
love.graphics.setLineStyle("smooth")
|
||||
--love.graphics.setLine(1, "smooth")
|
||||
--love.graphics.setColorMode("replace")
|
||||
love.graphics.setBlendMode("alpha")
|
||||
love.mouse.setVisible(true)
|
||||
love.graphics.setBlendMode("alpha")
|
||||
love.mouse.setVisible(true)
|
||||
end
|
||||
|
||||
function exf.resume()
|
||||
load = nil
|
||||
love.update = exf.update
|
||||
love.draw = exf.draw
|
||||
love.keypressed = exf.keypressed
|
||||
love.keyreleased = exf.keyreleased
|
||||
love.mousepressed = exf.mousepressed
|
||||
love.mousereleased = exf.mousereleased
|
||||
load = nil
|
||||
love.update = exf.update
|
||||
love.draw = exf.draw
|
||||
love.keypressed = exf.keypressed
|
||||
love.keyreleased = exf.keyreleased
|
||||
love.mousepressed = exf.mousepressed
|
||||
love.mousereleased = exf.mousereleased
|
||||
|
||||
love.mouse.setVisible(true)
|
||||
love.window.setTitle("LOVE Example Browser")
|
||||
love.mouse.setVisible(true)
|
||||
love.window.setTitle("LOVE Example Browser")
|
||||
|
||||
-- create light world
|
||||
lightWorld = LightWorld({
|
||||
drawBackground = exf.drawBackground,
|
||||
drawForground = exf.drawForground
|
||||
drawForeground = exf.drawForeground
|
||||
})
|
||||
lightWorld:setAmbientColor(127, 127, 127)
|
||||
|
||||
@ -197,7 +194,7 @@ function exf.resume()
|
||||
end
|
||||
|
||||
function inside(mx, my, x, y, w, h)
|
||||
return mx >= x and mx <= (x+w) and my >= y and my <= (y+h)
|
||||
return mx >= x and mx <= (x+w) and my >= y and my <= (y+h)
|
||||
end
|
||||
|
||||
|
||||
@ -208,29 +205,29 @@ end
|
||||
List = {}
|
||||
|
||||
function List:new()
|
||||
o = {}
|
||||
setmetatable(o, self)
|
||||
self.__index = self
|
||||
o = {}
|
||||
setmetatable(o, self)
|
||||
self.__index = self
|
||||
|
||||
o.items = {}
|
||||
o.items = {}
|
||||
o.files = {}
|
||||
|
||||
o.x = 50
|
||||
o.y = 70
|
||||
o.x = 50
|
||||
o.y = 70
|
||||
|
||||
o.width = 400
|
||||
o.height = 500
|
||||
o.width = 400
|
||||
o.height = 500
|
||||
|
||||
o.item_height = 23
|
||||
o.sum_item_height = 0
|
||||
o.item_height = 23
|
||||
o.sum_item_height = 0
|
||||
|
||||
o.bar_size = 20
|
||||
o.bar_pos = 0
|
||||
o.bar_max_pos = 0
|
||||
o.bar_width = 15
|
||||
o.bar_lock = nil
|
||||
o.bar_size = 20
|
||||
o.bar_pos = 0
|
||||
o.bar_max_pos = 0
|
||||
o.bar_width = 15
|
||||
o.bar_lock = nil
|
||||
|
||||
return o
|
||||
return o
|
||||
end
|
||||
|
||||
function List:add(item, file)
|
||||
@ -239,161 +236,164 @@ function List:add(item, file)
|
||||
end
|
||||
|
||||
function List:done()
|
||||
self.items.n = #self.items
|
||||
self.items.n = #self.items
|
||||
|
||||
-- Recalc bar size.
|
||||
self.bar_pos = 0
|
||||
-- Recalc bar size.
|
||||
self.bar_pos = 0
|
||||
|
||||
local num_items = (self.height/self.item_height)
|
||||
local ratio = num_items/self.items.n
|
||||
self.bar_size = self.height * ratio
|
||||
self.bar_max_pos = self.height - self.bar_size - 3
|
||||
local num_items = (self.height/self.item_height)
|
||||
local ratio = num_items/self.items.n
|
||||
self.bar_size = self.height * ratio
|
||||
self.bar_max_pos = self.height - self.bar_size - 3
|
||||
|
||||
-- Calculate height of everything.
|
||||
self.sum_item_height = (self.item_height+1) * self.items.n + 2
|
||||
-- Calculate height of everything.
|
||||
self.sum_item_height = (self.item_height+1) * self.items.n + 2
|
||||
end
|
||||
|
||||
function List:hasBar()
|
||||
return self.sum_item_height > self.height
|
||||
return self.sum_item_height > self.height
|
||||
end
|
||||
|
||||
function List:getBarRatio()
|
||||
return self.bar_pos/self.bar_max_pos
|
||||
return self.bar_pos/self.bar_max_pos
|
||||
end
|
||||
|
||||
function List:getOffset()
|
||||
local ratio = self.bar_pos/self.bar_max_pos
|
||||
return math.floor((self.sum_item_height-self.height)*ratio + 0.5)
|
||||
local ratio = self.bar_pos/self.bar_max_pos
|
||||
return math.floor((self.sum_item_height-self.height)*ratio + 0.5)
|
||||
end
|
||||
|
||||
function List:update(dt)
|
||||
if self.bar_lock then
|
||||
local dy = math.floor(love.mouse.getY()-self.bar_lock.y+0.5)
|
||||
self.bar_pos = self.bar_pos + dy
|
||||
if self.bar_lock then
|
||||
local dy = math.floor(love.mouse.getY()-self.bar_lock.y+0.5)
|
||||
self.bar_pos = self.bar_pos + dy
|
||||
|
||||
if self.bar_pos < 0 then
|
||||
if self.bar_pos < 0 then
|
||||
self.bar_pos = 0
|
||||
elseif self.bar_pos > self.bar_max_pos then
|
||||
elseif self.bar_pos > self.bar_max_pos then
|
||||
self.bar_pos = self.bar_max_pos
|
||||
end
|
||||
end
|
||||
|
||||
self.bar_lock.y = love.mouse.getY()
|
||||
|
||||
end
|
||||
self.bar_lock.y = love.mouse.getY()
|
||||
end
|
||||
end
|
||||
|
||||
function List:mousepressed(mx, my, b)
|
||||
if self:hasBar() then
|
||||
if b == "l" then
|
||||
if self:hasBar() then
|
||||
if b == "l" then
|
||||
local x, y, w, h = self:getBarRect()
|
||||
if inside(mx, my, x, y, w, h) then
|
||||
self.bar_lock = { x = mx, y = my }
|
||||
self.bar_lock = { x = mx, y = my }
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
local per_pixel = (self.sum_item_height-self.height)/self.bar_max_pos
|
||||
local bar_pixel_dt = math.floor(((self.item_height)*3)/per_pixel + 0.5)
|
||||
local per_pixel = (self.sum_item_height-self.height)/self.bar_max_pos
|
||||
local bar_pixel_dt = math.floor(((self.item_height)*3)/per_pixel + 0.5)
|
||||
|
||||
if b == "wd" then
|
||||
if b == "wd" then
|
||||
self.bar_pos = self.bar_pos + bar_pixel_dt
|
||||
if self.bar_pos > self.bar_max_pos then self.bar_pos = self.bar_max_pos end
|
||||
elseif b == "wu" then
|
||||
if self.bar_pos > self.bar_max_pos then
|
||||
self.bar_pos = self.bar_max_pos
|
||||
end
|
||||
elseif b == "wu" then
|
||||
self.bar_pos = self.bar_pos - bar_pixel_dt
|
||||
if self.bar_pos < 0 then self.bar_pos = 0 end
|
||||
end
|
||||
end
|
||||
if self.bar_pos < 0 then
|
||||
self.bar_pos = 0
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
if b == "l" and inside(mx, my, self.x+2, self.y+1, self.width-3, self.height-3) then
|
||||
local tx, ty = mx-self.x, my + self:getOffset() - self.y
|
||||
local index = math.floor((ty/self.sum_item_height)*self.items.n)
|
||||
local i = self.items[index+1]
|
||||
local f = self.files[index+1]
|
||||
if f then
|
||||
exf.start(i, f)
|
||||
end
|
||||
if b == "l" and inside(mx, my, self.x+2, self.y+1, self.width-3, self.height-3) then
|
||||
local tx, ty = mx-self.x, my + self:getOffset() - self.y
|
||||
local index = math.floor((ty/self.sum_item_height)*self.items.n)
|
||||
local i = self.items[index+1]
|
||||
local f = self.files[index+1]
|
||||
if f then
|
||||
exf.start(i, f)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
function List:mousereleased(x, y, b)
|
||||
if self:hasBar() then
|
||||
if b == "l" then
|
||||
if self:hasBar() then
|
||||
if b == "l" then
|
||||
self.bar_lock = nil
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
function List:getBarRect()
|
||||
return
|
||||
self.x+self.width+2, self.y+1+self.bar_pos,
|
||||
self.bar_width-3, self.bar_size
|
||||
return self.x+self.width+2, self.y+1+self.bar_pos,
|
||||
self.bar_width-3, self.bar_size
|
||||
end
|
||||
|
||||
function List:getItemRect(i)
|
||||
return
|
||||
self.x+2, self.y+((self.item_height+1)*(i-1)+1)-self:getOffset(),
|
||||
self.width-3, self.item_height
|
||||
return self.x+2, self.y+((self.item_height+1)*(i-1)+1)-self:getOffset(),
|
||||
self.width-3, self.item_height
|
||||
end
|
||||
|
||||
function List:draw()
|
||||
love.graphics.setLineWidth(2)
|
||||
love.graphics.setLineStyle("rough")
|
||||
love.graphics.setFont(self.font)
|
||||
love.graphics.setLineWidth(2)
|
||||
love.graphics.setLineStyle("rough")
|
||||
love.graphics.setFont(self.font)
|
||||
|
||||
love.graphics.setColor(48, 156, 225)
|
||||
love.graphics.setColor(48, 156, 225)
|
||||
|
||||
local mx, my = love.mouse.getPosition()
|
||||
local mx, my = love.mouse.getPosition()
|
||||
|
||||
-- Get interval to display.
|
||||
local start_i = math.floor( self:getOffset()/(self.item_height+1) ) + 1
|
||||
local end_i = start_i+math.floor( self.height/(self.item_height+1) ) + 1
|
||||
if end_i > self.items.n then end_i = self.items.n end
|
||||
-- Get interval to display.
|
||||
local start_i = math.floor( self:getOffset()/(self.item_height+1) ) + 1
|
||||
local end_i = start_i+math.floor( self.height/(self.item_height+1) ) + 1
|
||||
|
||||
if end_i > self.items.n then
|
||||
end_i = self.items.n
|
||||
end
|
||||
|
||||
love.graphics.setScissor(self.x, self.y, self.width, self.height)
|
||||
|
||||
love.graphics.setScissor(self.x, self.y, self.width, self.height)
|
||||
-- Items.
|
||||
for i = start_i,end_i do
|
||||
local x, y, w, h = self:getItemRect(i)
|
||||
local hover = inside(mx, my, x, y, w, h)
|
||||
|
||||
-- Items.
|
||||
for i = start_i,end_i do
|
||||
local x, y, w, h = self:getItemRect(i)
|
||||
local hover = inside(mx, my, x, y, w, h)
|
||||
|
||||
if hover then
|
||||
love.graphics.setColor(0, 0, 0, 127)
|
||||
else
|
||||
love.graphics.setColor(0, 0, 0, 63)
|
||||
end
|
||||
|
||||
love.graphics.rectangle("fill", x+1, y+i+1, w-3, h)
|
||||
|
||||
if hover then
|
||||
love.graphics.setColor(255, 255, 255)
|
||||
else
|
||||
love.graphics.setColor(255, 255, 255, 127)
|
||||
end
|
||||
|
||||
local e_id = string.sub(self.items[i], 1, 5)
|
||||
local e_rest = string.sub(self.items[i], 5)
|
||||
|
||||
love.graphics.print(e_id, x+10, y+i+6) --Updated y placement -- Used to change position of Example IDs
|
||||
love.graphics.print(e_rest, x+50, y+i+6) --Updated y placement -- Used to change position of Example Titles
|
||||
if hover then
|
||||
love.graphics.setColor(0, 0, 0, 127)
|
||||
else
|
||||
love.graphics.setColor(0, 0, 0, 63)
|
||||
end
|
||||
|
||||
love.graphics.setScissor()
|
||||
love.graphics.rectangle("fill", x+1, y+i+1, w-3, h)
|
||||
|
||||
-- Bar.
|
||||
if self:hasBar() then
|
||||
local x, y, w, h = self:getBarRect()
|
||||
local hover = inside(mx, my, x, y, w, h)
|
||||
|
||||
if hover or self.bar_lock then
|
||||
love.graphics.setColor(0, 0, 0, 127)
|
||||
else
|
||||
love.graphics.setColor(0, 0, 0, 63)
|
||||
end
|
||||
love.graphics.rectangle("fill", x, y, w, h)
|
||||
if hover then
|
||||
love.graphics.setColor(255, 255, 255)
|
||||
else
|
||||
love.graphics.setColor(255, 255, 255, 127)
|
||||
end
|
||||
|
||||
-- Border.
|
||||
love.graphics.setColor(0, 0, 0, 63)
|
||||
love.graphics.rectangle("line", self.x+self.width, self.y, self.bar_width, self.height)
|
||||
love.graphics.rectangle("line", self.x, self.y, self.width, self.height)
|
||||
local e_id = string.sub(self.items[i], 1, 5)
|
||||
local e_rest = string.sub(self.items[i], 5)
|
||||
|
||||
love.graphics.print(e_id, x+10, y+i+6) --Updated y placement -- Used to change position of Example IDs
|
||||
love.graphics.print(e_rest, x+50, y+i+6) --Updated y placement -- Used to change position of Example Titles
|
||||
end
|
||||
|
||||
love.graphics.setScissor()
|
||||
|
||||
-- Bar.
|
||||
if self:hasBar() then
|
||||
local x, y, w, h = self:getBarRect()
|
||||
local hover = inside(mx, my, x, y, w, h)
|
||||
|
||||
if hover or self.bar_lock then
|
||||
love.graphics.setColor(0, 0, 0, 127)
|
||||
else
|
||||
love.graphics.setColor(0, 0, 0, 63)
|
||||
end
|
||||
love.graphics.rectangle("fill", x, y, w, h)
|
||||
end
|
||||
|
||||
-- Border.
|
||||
love.graphics.setColor(0, 0, 0, 63)
|
||||
love.graphics.rectangle("line", self.x+self.width, self.y, self.bar_width, self.height)
|
||||
love.graphics.rectangle("line", self.x, self.y, self.width, self.height)
|
||||
end
|
||||
|
Loading…
Reference in New Issue
Block a user