我试图在这个游戏中的关卡之间暂停，但暂停功能不起作用。任何帮助都会很棒。目前，代码一直停留在循环中并打印出Next Level。
当this.p.levelData.nextLevel为true但它会保持循环时，该级别系统应该可以工作。
任何帮助都会很棒。
Quintus.ZombiesGameplay = function(Q) {
//game level
Q.Sprite.extend('Level', {
init: function(p) {
this._super(p, {
asset: '/assets/images/background.png',
type: Q.SPRITE_GROUND,
x: 90 + 1024/2,
y: 768/2,
w: 1024,
h: 768,
sunFrequency: {min: 3,max: 10}, //min and max number of seconds for sun to appear
});
this.timeNextSun = this.getTimeNextSun(); //time for the next sun to appear
//level data
this.zombieIndex = 0; //current index from zombies array
this.numZombies = this.p.levelData.zombies.length;
this.levelTime = 0; //keep track of the level duration
//save the position of each plant in a grid
this.plantsGrid = new Array(new Array(7), new Array(7), new Array(7), new Array(7), new Array(7), new Array(7));
this.on('touch');
Q.audio.play('/assets/audio/ZombiesOnYourLawn.mp3');
},
step: function(dt) {
//update level duration
this.levelTime += dt;
//check for level passed
if(this.p.levelData.duration < this.levelTime) {
if(this.p.levelData.nextLevel) {
// Q.stageScene("level", {levelData: Q.assets[this.p.levelData.nextLevel]});
// Q.stage().pause();
// Q.stage().unpause();
// debugger;
nextLevel();
// pauseGame();
// unPauseGame();
}else {
endGame();
// Q.stageScene('level', {levelData: Q.assets['/assets/data/level1.json']});
// Q.stage().pause();
// Q.stage().unpause();
}
}
//create zombies at the defined times
if(this.zombieIndex < this.numZombies) {
var currentZombie = this.p.levelData.zombies[this.zombieIndex];
if(this.levelTime >= currentZombie.time) {
var zombieData = Q.zombieTypes[currentZombie.type];
var newZombie = new Q.Zombie(
Q._extend(zombieData, {y: currentZombie.row * 120 + 60})
);
this.stage.insert(newZombie);
this.zombieIndex++;
}
}
//update sun generation timing
this.timeNextSun -= dt;
if(this.timeNextSun <= 0) {
this.timeNextSun = this.getTimeNextSun();
//create sun in the sun stage
Q.stage(1).insert(new Q.Sun());
}
},
touch: function(touch) {
//if a plant is selected
if(Q.state.get('currentPlant')) {
//get plantsGrid coordinates
var row = Math.floor((touch.y)/120);
var col = Math.floor((touch.x - 240)/120);
if(row >= 0 && row < this.plantsGrid.length && col >= 0 && col < this.plantsGrid[0].length) {
if(!this.plantsGrid[row][col] && Q.state.get('sun') >= Q.state.get('currentPlant').cost) {
Q.state.dec('sun', Q.state.get('currentPlant').cost);
var newPlant = new Q.Plant(Q._extend({x: 240 + 60 + col*120, y: 60 + row*120}, Q.state.get('currentPlant')));
this.stage.insert(newPlant);
this.plantsGrid[row][col] = newPlant;
newPlant.p.gridRow = row;
newPlant.p.gridCol = col;
}
}
}
},
getTimeNextSun: function() {
return this.p.sunFrequency.min + Math.random()*(this.p.sunFrequency.max - this.p.sunFrequency.min);
},
});
}
function nextLevel(){
console.log('NEXT LEVEL');
Q.stageScene("nextLevel",1, { label: "LEVEL COMPLETED!" });
Q.scene('nextLevel',function(stage) {
var container = stage.insert(new Q.UI.Container({
x: Q.width/2, y: Q.height/2, fill: "rgba(0,0,0,0.5)"
}));
var nextLevelButton = container.insert(new Q.UI.Button({ x: 0, y: 0, fill: "#CCCCCC",
label: "Next Level" }))
var label = container.insert(new Q.UI.Text({x:10, y: -10 - nextLevelButton.p.h, fill: "#FFFFFF",
label: stage.options.label }));
nextLevelButton.on("click",function() {
alert("test");
Q.stageScene("level", {levelData: Q.assets[this.p.levelData.nextLevel] });
});
container.fit(20);
});
pauseGame();
};
function endGame(){
console.log('YOU WON!');
Q.stageScene("endGame",1, { label: "You Have Won The Game!" });
Q.scene('endGame',function(stage) {
var container = stage.insert(new Q.UI.Container({
x: Q.width/2, y: Q.height/2, fill: "rgba(0,0,0,0.5)"
}));
var button = container.insert(new Q.UI.Button({ x: 0, y: 0, fill: "#CCCCCC",
label: "Play Again" }))
var label = container.insert(new Q.UI.Text({x:10, y: -10 - button.p.h, fill: "#FFFFFF",
label: stage.options.label }));
button.on("click",function() {
Q.clearStages();
Q.stageScene('level', {levelData: Q.assets['/assets/data/level1.json']});
});
container.fit(20);
});
// pauseGame();
};
function pauseGame(){
console.log("Game Paused");
Q.stage().pause()
};
function unPauseGame(){
Q.stage().unpause()
};