0. 简介
这是微信飞机大战游戏的cocos2d-x lua中的实现，完成了精灵的创建，动画，碰撞检测等内容。
1. 完整代码和图片资源
https://github.com/kompasim/wechat-plane-wars
2. 最终效果
image.png
3. 主要逻辑代码
local GameScene = class("GameScene", cc.load("mvc").ViewBase);
function GameScene:onCreate()
self.bullets = {}
self.enemies = {}
self.ufos = {}
self.plane = nil
display.newSprite("./image/background.png")
:move(display.center)
:addTo(self)
local plane = display.newSprite("./image/hero2.png")
plane:move(display.cx, display.cy - 300)
plane:addTo(self)
self.plane = plane
local function onTouchBegan(touch, event)
print("onTouchBegan ...")
if (touch:getLocation().x >= (plane:getPositionX() - 50) and touch:getLocation().x <= (plane:getPositionX() + 50)) and (touch:getLocation().y >= (plane:getPositionY() - 50) and touch:getLocation().y <= (plane:getPositionY() + 50)) then
self.follow = true
self.fire = true
--
local image1 = cc.Director:getInstance():getTextureCache():addImage(cc.FileUtils:getInstance():fullPathForFilename("./image/hero1.png"))
self.plane:setTexture(image1)
end
return true
end
local function onTouchMoved(touch, event)
if self.follow == true then
if touch:getLocation().x >= 0 and touch:getLocation().x <= display.width then
plane:setPositionX(touch:getLocation().x)
else
if touch:getLocation().x <= 0 then
plane:setPositionX(0)
else
plane:setPositionX(display.width)
end
end
if touch:getLocation().y >= 0 and touch:getLocation().y <= display.height then
plane:setPositionY(touch:getLocation().y)
else
if touch:getLocation().y <= 0 then
plane:setPositionY(0)
else
plane:setPositionY(display.height)
end
end
end
return true
end
local function onTouchEnded(touch, event)
print("onTouchEnded ...")
if self.follow and self.fire then
self.follow = false
self.fire = false
--
local image2 = cc.Director:getInstance():getTextureCache():addImage(cc.FileUtils:getInstance():fullPathForFilename("./image/hero2.png"))
self.plane:setTexture(image2)
print("children of gameScene : " .. self:getChildrenCount())
end
return true
end
local eventListener = cc.EventListenerTouchOneByOne:create()
eventListener:setSwallowTouches(true)
eventListener:registerScriptHandler(onTouchBegan, cc.Handler.EVENT_TOUCH_BEGAN)
eventListener:registerScriptHandler(onTouchMoved, cc.Handler.EVENT_TOUCH_MOVED)
eventListener:registerScriptHandler(onTouchEnded, cc.Handler.EVENT_TOUCH_ENDED)
self:getEventDispatcher():addEventListenerWithSceneGraphPriority(eventListener, self)
local scheduler = cc.Director:getInstance():getScheduler()
scheduler:scheduleScriptFunc(function()
self:fireFun()
end, 0.1, false)
scheduler:scheduleScriptFunc(function()
self:attackFun()
end, 0.5, false)
scheduler:scheduleScriptFunc(function()
self:checkTheGame()
end, 0.1, false)
scheduler:scheduleScriptFunc(function()
self:makeUfo()
end, 5.0, false)
end
function GameScene:fireFun()
if self.fire then
local bullet = display.newSprite("./image/bullet1.png")
bullet:move(self.plane:getPositionX(), self.plane:getPositionY() + 70)
bullet:setScaleX(0.5)
bullet:addTo(self)
self.bullets[tostring(bullet)] = bullet
--
local action = cc.MoveBy:create(2, cc.p(0, 2000))
transition.execute(bullet, action, {onComplete = function()
self:removeChild(bullet, true)
self.bullets[tostring(bullet)] = nil
bullet = nil
end})
end
end
function GameScene:attackFun()
for i=1,3 do
local enemy = display.newSprite("./image/enemy1.png")
enemy:move(math.random(0, display.width), display.height)
enemy:addTo(self)
self.enemies[tostring(enemy)] = enemy
--
local action = cc.MoveBy:create(10, cc.p(math.random(-200*i, 200*i),-2000))
transition.execute(enemy, action, {onComplete = function()
self:removeChild(enemy, true)
self.enemies[tostring(enemy)] = nil
enemy = nil
end})
end
end
function GameScene:makeUfo()
local ufo = display.newSprite("./image/ufo2.png")
if math.random( 1, 2) == 1 then
ufo = display.newSprite("./image/ufo1.png")
end
ufo:move(math.random(0, display.width), display.height)
ufo:addTo(self)
self.ufos[tostring(ufo)] = ufo
--
local action = cc.MoveBy:create(20, cc.p(0, -2000))
transition.execute(ufo, action, {onComplete = function()
self:removeChild(ufo, true)
self.ufos[tostring(ufo)] = nil
ufo = nil
end})
end
function GameScene:checkTheGame()
-- print("check ...")
local px = self.plane:getPositionX()
local py = self.plane:getPositionY()
-- enemy
for ek,ev in pairs(self.enemies) do
if type(ev) == "userdata" then
local ex = ev:getPositionX()
local ey = ev:getPositionY()
-- plane hit to the enemy
if ex - px <= 60 and ex - px > -60 and ey - py < 60 and ey -py > -60 then
self:removeChild(ev)
self.enemies[ek] = nil
end
-- bullet hit to the enemy
for bk,bv in pairs(self.bullets) do
if type(bv) == "userdata" then
local bx = bv:getPositionX()
local by = bv:getPositionY()
if bx - ex <= 25 and bx - ex > -25 and by - ey < 25 and by -ey > -25 then
--
self:removeChild(bv)
self.bullets[bk] = nil
--
local image2 = cc.Director:getInstance():getTextureCache():addImage(cc.FileUtils:getInstance():fullPathForFilename("./image/enemy1_down2.png"))
ev:setTexture(image2)
local action2 = cc.RotateBy:create(0.1, 90)
transition.execute(ev, action2, {onComplete = function()
self:removeChild(ev)
self.enemies[ek] = nil
end})
end
end
end
end
end
-- ufo
for uk,uv in pairs(self.ufos) do
if type(uv) == "userdata" then
local ux = uv:getPositionX()
local uy = uv:getPositionY()
-- plane hit to the enemy
if ux - px <= 60 and ux - px > -60 and uy - py < 60 and uy -py > -60 then
self:removeChild(uv)
self.ufos[uk] = nil
end
-- bullet hit to the enemy
for bk,bv in pairs(self.bullets) do
if type(bv) == "userdata" then
local bx = bv:getPositionX()
local by = bv:getPositionY()
if bx - ux <= 25 and bx - ux > -25 and by - uy < 25 and by -uy > -25 then
-- --
self:removeChild(bv)
self.bullets[bk] = nil
--
local image2 = cc.Director:getInstance():getTextureCache():addImage(cc.FileUtils:getInstance():fullPathForFilename("./image/ufo_down.png"))
uv:setTexture(image2)
local action2 = cc.RotateBy:create(0.1, 90)
transition.execute(uv, action2, {onComplete = function()
self:removeChild(uv)
self.ufos[uk] = nil
end})
break
end
end
end
end
end
end
return GameScene