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director.lua
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module(..., package.seeall)
--====================================================================--
-- DIRECTOR CLASS
--====================================================================--
--
-- Version: 1.0
-- Made by Ricardo Rauber Pereira @ 2010
-- Blog: http://rauberlabs.blogspot.com/
-- Mail: [email protected]
--
-- This class is free to use, feel free to change but please send new versions
-- or new features like new effects to me and help us to make it better!
--
--====================================================================--
-- CHANGES
--====================================================================--
--
-- 06-OCT-2010 - Ricardo Rauber - Created
--
--====================================================================--
-- VARIABLES
--====================================================================--
--
-- currentView: Main display group
-- nextView: Display group for transitions
-- currentScreen: Active module
-- nextScreen: New module
-- lastScene: Active module in string for control
-- nextScene: New module in string for control
-- effect: Transition type
-- arg[N]: Arguments for each transition
-- fxTime Time for transition.to
--
--====================================================================--
-- INFORMATION
--====================================================================--
--
-- * In main.lua file, you have to import the class like this:
--
-- director = require("director")
-- local g = display.newGroup()
-- g:insert(director.currentView)
-- g:insert(director.nextView)
--
-- * To change scenes, use this command [use the effect of your choice]
--
-- director:changeScene("settings","moveFromLeft")
--
-- * Every scene is a lua module file and must have a new(argument) function that
-- must return a local display group, like this: [see template.lua]
--
-- module(..., package.seeall)
-- function new(argument)
-- local lg = display.newGroup()
-- ------ Your code here ------
-- return lg
-- end
--
-- * Every display object must be inserted on the local display group
--
-- local background = display.newImage("background.png")
-- lg:insert(background)
--
-- * This class doesn't clean timers! If you want to stop timers when
-- change scenes, you'll have to do it manually.
--
--====================================================================--
argument = nil
currentView = display.newGroup()
nextView = display.newGroup()
local currentScreen, nextScreen
local lastScene = "main"
local fxTime = 200
------------------------------------------------------------------------
-- CHANGE SCENE
------------------------------------------------------------------------
function director:restartScene(scene)
require("director"):changeScene(scene,"restart")
end
------------------------------------------------------------------------
-- CHANGE SCENE
------------------------------------------------------------------------
function director:changeScene(nextScene,
effect,
arg1,
arg2,
arg3)
-----------------------------------
-- If is the same, don't change
-----------------------------------
local effect = effect or ""
if lastScene and nextScene then
if string.lower(lastScene) == string.lower(nextScene) and string.lower(effect) ~= "restart" then
return true
end
end
currentView.name = nextScene
-----------------------------------
-- EFFECT: Move From Right
-----------------------------------
if effect == "moveFromRight" then
nextView.x = display.contentWidth
nextView.y = 0
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
local showFx = transition.to ( nextView, { x=0, time=fxTime } )
showFx = transition.to ( currentView, { x=display.contentWidth*-1, time=fxTime } )
local function fxEnded( event )
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
--currentView[currentView.numChildren]:removeSelf()
end
currentScreen = nextScreen
currentView:insert(currentScreen)
currentView.x = 0
currentView.y = 0
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime, fxEnded , false )
-----------------------------------
-- EFFECT: Over From Right
-----------------------------------
elseif effect == "overFromRight" then
nextView.x = display.contentWidth
nextView.y = 0
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
local showFx = transition.to ( nextView, { x=0, time=fxTime } )
local function fxEnded( event )
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime, fxEnded , false )
-----------------------------------
-- EFFECT: Move From Left
-----------------------------------
elseif effect == "moveFromLeft" then
nextView.x = display.contentWidth*-1
nextView.y = 0
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
local showFx = transition.to ( nextView, { x=0, time=fxTime } )
showFx = transition.to ( currentView, { x=display.contentWidth, time=fxTime } )
local function fxEnded( event )
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
currentView.x = 0
currentView.y = 0
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime, fxEnded , false )
-----------------------------------
-- EFFECT: Over From Left
-----------------------------------
elseif effect == "overFromLeft" then
nextView.x = display.contentWidth*-1
nextView.y = 0
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
local showFx = transition.to ( nextView, { x=0, time=fxTime } )
local function fxEnded( event )
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime, fxEnded , false )
-----------------------------------
-- EFFECT: Over From Top
-----------------------------------
elseif effect == "overFromTop" then
nextView.x = 0
nextView.y = display.contentHeight*-1
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
local showFx = transition.to ( nextView, { y=0, time=fxTime } )
local function fxEnded( event )
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime, fxEnded , false )
-----------------------------------
-- EFFECT: Over From Bottom
-----------------------------------
elseif effect == "overFromBottom" then
nextView.x = 0
nextView.y = display.contentHeight
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
local showFx = transition.to ( nextView, { y=0, time=fxTime } )
local function fxEnded( event )
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime, fxEnded , false )
-----------------------------------
-- EFFECT: Fade
-----------------------------------
-- ARG1 = color [string]
-----------------------------------
-- ARG1 = red [number]
-- ARG2 = green [number]
-- ARG3 = blue [number]
-----------------------------------
elseif effect == "fade" then
local r, g, b
--
if type(arg1) == "nil" then
arg1 = "black"
end
--
if string.lower(arg1) == "red" then
r=255
g=0
b=0
elseif string.lower(arg1) == "green" then
r=0
g=255
b=0
elseif string.lower(arg1) == "blue" then
r=0
g=0
b=255
elseif string.lower(arg1) == "yellow" then
r=255
g=255
b=0
elseif string.lower(arg1) == "pink" then
r=255
g=0
b=255
elseif string.lower(arg1) == "white" then
r=255
g=255
b=255
elseif type (arg1) == "number"
and type (arg2) == "number"
and type (arg3) == "number" then
r=arg1
g=arg2
b=arg3
else
r=0
g=0
b=0
end
--
nextView.x = display.contentWidth + 50
nextView.y = 0
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
--
local fade = display.newRect( 0 - display.contentWidth, 0 - display.contentHeight, display.contentWidth * 3, display.contentHeight * 3 )
fade.alpha = 0
fade:setFillColor( r,g,b )
currentView:insert(fade)
--
local showFx = transition.to ( fade, { alpha=1.0, time=fxTime } )
local function fxEnded( event )
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
--
fade = display.newRect( 0 - display.contentWidth, 0 - display.contentHeight, display.contentWidth * 3, display.contentHeight * 3 )
fade:setFillColor( r,g,b )
currentView:insert(fade)
--
nextView.x = display.contentWidth
showFx = transition.to ( fade, { alpha=0, time=fxTime } )
local function removeFade ( event )
fade:removeSelf()
end
timer.performWithDelay( fxTime, removeFade , false )
end
timer.performWithDelay( fxTime, fxEnded , false )
-----------------------------------
-- EFFECT: Flip
-----------------------------------
elseif effect == "flip" then
local showFx
showFx = transition.to ( currentView, { xScale=0.001, time=fxTime } )
showFx = transition.to ( currentView, { x=display.contentWidth*0.5, time=fxTime } )
--
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
nextView.xScale=0.001
nextView.x=display.contentWidth*0.5
--
showFx = transition.to ( nextView, { xScale=1, delay=fxTime, time=fxTime } )
showFx = transition.to ( nextView, { x=0, delay=fxTime, time=fxTime } )
--
function fxEnded ( event )
currentView.x = 0
currentView.xScale = 1
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime*2, fxEnded , false )
-----------------------------------
-- EFFECT: Down Flip
-----------------------------------
elseif effect == "downFlip" then
local showFx
showFx = transition.to ( currentView, { xScale=0.7, time=fxTime } )
showFx = transition.to ( currentView, { yScale=0.7, time=fxTime } )
showFx = transition.to ( currentView, { x=display.contentWidth*0.15, time=fxTime } )
showFx = transition.to ( currentView, { y=display.contentHeight*0.15, time=fxTime } )
showFx = transition.to ( currentView, { xScale=0.001, delay=fxTime, time=fxTime } )
showFx = transition.to ( currentView, { x=display.contentWidth*0.5, delay=fxTime, time=fxTime } )
--
nextScreen = require(nextScene).new(argument)
nextView:insert(nextScreen)
nextView.x = display.contentWidth*0.5
nextView.xScale=0.001
nextView.yScale=0.7
nextView.y=display.contentHeight*0.15
--
showFx = transition.to ( nextView, { x=display.contentWidth*0.15, delay=fxTime*2, time=fxTime } )
showFx = transition.to ( nextView, { xScale=0.7, delay=fxTime*2, time=fxTime } )
showFx = transition.to ( nextView, { xScale=1, delay=fxTime*3, time=fxTime } )
showFx = transition.to ( nextView, { yScale=1, delay=fxTime*3, time=fxTime } )
showFx = transition.to ( nextView, { x=0, delay=fxTime*3, time=fxTime } )
showFx = transition.to ( nextView, { y=0, delay=fxTime*3, time=fxTime } )
--
function fxEnded ( event )
currentView.x = 0
currentView.y = 0
currentView.xScale = 1
currentView.yScale = 1
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = nextScreen
currentView:insert(currentScreen)
nextView.x = display.contentWidth
end
timer.performWithDelay( fxTime*4, fxEnded , false )
-----------------------------------
-- EFFECT: None
-----------------------------------
else
while (currentView.numChildren > 0) do
currentView:remove(currentView.numChildren)
end
currentScreen = require(nextScene).new(argument)
currentView:insert(currentScreen)
end
-----------------------------------
-- Clean up memory
-----------------------------------
if lastScene then
-- If you want to use a custom function to clean, use this
if package and string.lower(lastScene) ~= "main" and string.lower(lastScene) ~= string.lower(nextScene) and package.loaded[lastScene].clean then
package.loaded[lastScene].clean()
end
package.loaded[lastScene] = nil
end
lastScene = nextScene
argument = nil
timer.cancelAll()
timer.performWithDelay(1, function() collectgarbage("collect") end, false )
return true
end