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我正在尝试使用陀螺仪创建游戏,但遇到了一个非常奇怪的问题。我有以下两个场景
我想当第一个场景中的球与门相撞时移动到第二个场景。
当球移动缓慢并与门碰撞时一切正常,下一个场景正常开始,但如果第一个场景中的球移动非常快并且用力与门碰撞,下一个场景开始结霜,看起来像进入场景事件未触发。任何的想法?
我的代码:
场景一:
---------------------------------------------------------------------------------
--
-- scene1.lua
--
---------------------------------------------------------------------------------
local storyboard = require( "storyboard" )
local scene = storyboard.newScene()
system.setIdleTimer( false )
local physics = require "physics"
local physicsData = (require "myphysics").physicsData(1.0)
---------------------------------------------------------------------------------
-- BEGINNING OF IMPLEMENTATION
---------------------------------------------------------------------------------
local displayTime,background,ball,maze,maze2,borders,exitscn
local startTime=0
local levelTime = 20
local function onGyroscopeDataReceived( event )
local deltaRadiansX = event.xRotation * event.deltaTime
local deltaDegreesX = deltaRadiansX * (180 / math.pi)
local deltaRadiansY = event.yRotation * event.deltaTime
local deltaDegreesY = deltaRadiansY * (180 / math.pi)
ball:applyForce( -deltaDegreesX*6, -deltaDegreesY*6, ball.x, ball.y )
end
function nextScene()
storyboard.gotoScene( "loadscene2")
end
local function onCollision( event )
if ( event.phase == "ended" ) then
if(event.object1.name=="exitscn" or event.object2.name=="exitscn") then
timer.performWithDelay ( 500, nextScene )
end
end
end
local function gameOver()
storyboard.gotoScene( "menu", "fade", 300)
end
local function checkTime(event)
local now = os.time()
displayTime.text = levelTime - (now - startTime)
if ( levelTime - (now - startTime)==0) then
gameOver()
end
end
-- Called when the scene's view does not exist:
function scene:createScene( event )
local screenGroup = self.view
physics.start();
physics.setGravity( 0,0 )
displayTime = display.newText(levelTime, 0, 0, "Helvetica", 20)
displayTime.isVisible=false
background=display.newImage("bcklevel1.png")
background.x=display.contentCenterX
background.y=display.contentCenterY
ball=display.newImage("ball1.png")
ball.x=30
ball.y=display.contentCenterY
ball.name="ball"
maze=display.newImage( "maze1.png" )
maze.x=display.contentCenterX
maze.y=display.contentCenterY
maze.name="maze"
maze2=display.newImage( "maze1.png" )
maze2.x=display.contentCenterX
maze2.y=display.contentCenterY
maze2.name="maze2"
borders=display.newImage( "borders.png" )
borders.x=display.contentCenterX
borders.y=display.contentCenterY
borders.name="borders"
borders.alpha=0.1
exitscn=display.newImage("exit.png")
exitscn.x=display.contentWidth-30
exitscn.y=display.contentCenterY
exitscn.name="exitscn"
physics.addBody (ball, "dynamic",physicsData:get("ball"))
physics.addBody (maze, "static",physicsData:get("mazelevel1_1"))
physics.addBody (maze2, "static",physicsData:get("mazelevel1_2"))
physics.addBody (borders, "static",physicsData:get("borders"))
physics.addBody (exitscn, "dynamic",physicsData:get("exitscn"))
--ball:addEventListener ( "touch", nextScene )
Runtime:addEventListener("enterFrame", checkTime)
Runtime:addEventListener( "gyroscope", onGyroscopeDataReceived )
Runtime:addEventListener( "collision", onCollision )
screenGroup:insert( background )
screenGroup:insert(displayTime)
screenGroup:insert( ball )
screenGroup:insert( maze )
screenGroup:insert( maze2 )
screenGroup:insert( borders )
screenGroup:insert( exitscn )
print( "\n1: createScene event")
end
-- Called immediately after scene has moved onscreen:
function scene:enterScene( event )
print( "1: enterScene event" )
physics.start()
startTime = os.time()
displayTime.isVisible=true
end
-- Called when scene is about to move offscreen:
function scene:exitScene( event )
print( "1: exitScene event" )
physics.stop( )
Runtime:removeEventListener( "enterFrame", checkTime )
Runtime:removeEventListener( "gyroscope", onGyroscopeDataReceived )
Runtime:removeEventListener( "collision", onCollision )
end
-- Called prior to the removal of scene's "view" (display group)
function scene:destroyScene( event )
print( "((destroying scene 1's view))" )
package.loaded[physics] = nil
physics = nil
end
---------------------------------------------------------------------------------
-- END OF YOUR IMPLEMENTATION
---------------------------------------------------------------------------------
-- "createScene" event is dispatched if scene's view does not exist
scene:addEventListener( "createScene", scene )
-- "enterScene" event is dispatched whenever scene transition has finished
scene:addEventListener( "enterScene", scene )
-- "exitScene" event is dispatched before next scene's transition begins
scene:addEventListener( "exitScene", scene )
-- "destroyScene" event is dispatched before view is unloaded, which can be
-- automatically unloaded in low memory situations, or explicitly via a call to
-- storyboard.purgeScene() or storyboard.removeScene().
scene:addEventListener( "destroyScene", scene )
---------------------------------------------------------------------------------
return scene
---------------------------------------------------------------------------------
--
-- scene2.lua
--
---------------------------------------------------------------------------------
local storyboard = require( "storyboard" )
local scene = storyboard.newScene()
system.setIdleTimer( false )
local physics = require "physics"
local physicsData = (require "myphysics").physicsData(1.0)
---------------------------------------------------------------------------------
-- BEGINNING OF IMPLEMENTATION
---------------------------------------------------------------------------------
local displayTime,background,ball,maze,maze2,borders,exitscn
local startTime=0
local levelTime = 20
local function onGyroscopeDataReceived( event )
local deltaRadiansX = event.xRotation * event.deltaTime
local deltaDegreesX = deltaRadiansX * (180 / math.pi)
local deltaRadiansY = event.yRotation * event.deltaTime
local deltaDegreesY = deltaRadiansY * (180 / math.pi)
ball:applyForce( -deltaDegreesX*6, -deltaDegreesY*6, ball.x, ball.y )
end
function nextScene()
storyboard.gotoScene( "menu", "fade", 1000 )
end
local function onCollision( event )
if ( event.phase == "ended" ) then
if(event.object1.name=="exitscn" or event.object2.name=="exitscn") then
timer.performWithDelay ( 500, nextScene )
end
end
end
local function gameOver()
storyboard.gotoScene( "menu", "fade", 300)
end
local function checkTime(event)
local now = os.time()
displayTime.text = levelTime - (now - startTime)
if ( levelTime - (now - startTime)==0) then
gameOver()
end
end
-- Called when the scene's view does not exist:
function scene:createScene( event )
local screenGroup = self.view
physics.start();
physics.setGravity( 0,0 )
displayTime = display.newText(startTime, 0, 0, "Helvetica", 20)
displayTime.isVisible=false
background=display.newImage("bcklevel1.png")
background.x=display.contentCenterX
background.y=display.contentCenterY
ball=display.newImage("ball1.png")
ball.x=30
ball.y=display.contentCenterY
ball.name="ball"
maze=display.newImage( "maze2.png" )
maze.x=display.contentCenterX
maze.y=display.contentCenterY
maze.name="maze"
maze2=display.newImage( "maze2.png" )
maze2.x=display.contentCenterX
maze2.y=display.contentCenterY
maze2.name="maze2"
borders=display.newImage( "borders.png" )
borders.x=display.contentCenterX
borders.y=display.contentCenterY
borders.name="borders"
borders.alpha=0.1
exitscn=display.newImage("exit.png")
exitscn.x=display.contentWidth-30
exitscn.y=display.contentCenterY
exitscn.name="exitscn"
physics.addBody (ball, "dynamic",physicsData:get("ball"))
physics.addBody (maze, "static",physicsData:get("mazelevel2_1"))
physics.addBody (maze2, "static",physicsData:get("mazelevel2_2"))
physics.addBody (borders, "static",physicsData:get("borders"))
physics.addBody (exitscn, "dynamic",physicsData:get("exitscn"))
--ball:addEventListener ( "touch", nextScene )
Runtime:addEventListener("enterFrame", checkTime)
Runtime:addEventListener( "gyroscope", onGyroscopeDataReceived )
Runtime:addEventListener( "collision", onCollision )
screenGroup:insert( background )
screenGroup:insert(displayTime)
screenGroup:insert( ball )
screenGroup:insert( maze )
screenGroup:insert( maze2 )
screenGroup:insert( borders )
screenGroup:insert( exitscn )
print( "\n1: createScene event")
end
-- Called immediately after scene has moved onscreen:
function scene:enterScene( event )
print( "1: enterScene event" )
physics.start()
startTime = os.time()
displayTime.isVisible=true
end
-- Called when scene is about to move offscreen:
function scene:exitScene( event )
print( "1: exitScene event" )
physics.stop( )
Runtime:removeEventListener( "enterFrame", checkTime )
Runtime:removeEventListener( "gyroscope", onGyroscopeDataReceived )
Runtime:removeEventListener( "collision", onCollision )
end
-- Called prior to the removal of scene's "view" (display group)
function scene:destroyScene( event )
print( "((destroying scene 2's view))" )
package.loaded[physics] = nil
physics = nil
end
---------------------------------------------------------------------------------
-- END OF YOUR IMPLEMENTATION
---------------------------------------------------------------------------------
-- "createScene" event is dispatched if scene's view does not exist
scene:addEventListener( "createScene", scene )
-- "enterScene" event is dispatched whenever scene transition has finished
scene:addEventListener( "enterScene", scene )
-- "exitScene" event is dispatched before next scene's transition begins
scene:addEventListener( "exitScene", scene )
-- "destroyScene" event is dispatched before view is unloaded, which can be
-- automatically unloaded in low memory situations, or explicitly via a call to
-- storyboard.purgeScene() or storyboard.removeScene().
scene:addEventListener( "destroyScene", scene )
---------------------------------------------------------------------------------
return scene
最佳答案
在第二个文件中,我敢打赌有一些令人毛骨悚然的东西
function nextScene()
storyboard.gotoScene( "menu", "fade", 1000 )
end
local function onCollision( event )
if ( event.phase == "ended" ) then
if(event.object1.name=="exitscn" or event.object2.name=="exitscn") then
timer.performWithDelay ( 500, nextScene )
end
end
end
关于lua - enterScene 事件未触发,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/17513166/
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