Cocos2D-Android-1之源码详解：16.ParticleTest

package org.cocos2d.tests;

import org.cocos2d.actions.UpdateCallback;

import org.cocos2d.actions.base.CCRepeatForever;

import org.cocos2d.actions.interval.CCIntervalAction;

import org.cocos2d.actions.interval.CCMoveBy;

import org.cocos2d.actions.interval.CCRotateBy;

import org.cocos2d.actions.interval.CCSequence;

import org.cocos2d.layers.CCColorLayer;

import org.cocos2d.layers.CCLayer;

import org.cocos2d.layers.CCScene;

import org.cocos2d.menus.CCMenu;

import org.cocos2d.menus.CCMenuItemFont;

import org.cocos2d.menus.CCMenuItemImage;

import org.cocos2d.menus.CCMenuItemToggle;

import org.cocos2d.nodes.CCDirector;

import org.cocos2d.nodes.CCLabel;

import org.cocos2d.nodes.CCLabelAtlas;

import org.cocos2d.nodes.CCParallaxNode;

import org.cocos2d.nodes.CCSprite;

import org.cocos2d.nodes.CCTextureCache;

import org.cocos2d.opengl.CCGLSurfaceView;

import org.cocos2d.opengl.CCTextureAtlas;

import org.cocos2d.particlesystem.CCParticleExplosion;

import org.cocos2d.particlesystem.CCParticleFire;

import org.cocos2d.particlesystem.CCParticleFireworks;

import org.cocos2d.particlesystem.CCParticleFlower;

import org.cocos2d.particlesystem.CCParticleGalaxy;

import org.cocos2d.particlesystem.CCParticleMeteor;

import org.cocos2d.particlesystem.CCParticleRain;

import org.cocos2d.particlesystem.CCParticleSmoke;

import org.cocos2d.particlesystem.CCParticleSnow;

import org.cocos2d.particlesystem.CCParticleSpiral;

import org.cocos2d.particlesystem.CCParticleSun;

import org.cocos2d.particlesystem.CCParticleSystem;

import org.cocos2d.particlesystem.CCPointParticleSystem;

import org.cocos2d.particlesystem.CCQuadParticleSystem;

import org.cocos2d.types.CGPoint;

import org.cocos2d.types.CGRect;

import org.cocos2d.types.CGSize;

import org.cocos2d.types.ccColor3B;

import org.cocos2d.types.ccColor4B;

import org.cocos2d.types.ccColor4F;

import org.cocos2d.utils.javolution.MathLib;

import org.cocos2d.utils.javolution.TextBuilder;

import android.app.Activity;

import android.os.Bundle;

import android.view.MotionEvent;

import android.view.Window;

import android.view.WindowManager;

public class ParticleTest extends Activity {

// private static final String LOG_TAG = AtlasSpriteTest.class.getSimpleName();

private CCGLSurfaceView mGLSurfaceView;//建立view

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

requestWindowFeature(Window.FEATURE_NO_TITLE);//没标题..

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,

WindowManager.LayoutParams.FLAG_FULLSCREEN);//全屏

getWindow().setFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON,

WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);//不黑

mGLSurfaceView = new CCGLSurfaceView(this);//建立新的view

setContentView(mGLSurfaceView);//设置view

// attach the OpenGL view to a window

CCDirector.sharedDirector().attachInView(mGLSurfaceView);//把所有的图像附加到view上

// set landscape mode

CCDirector.sharedDirector().setLandscape(false);//横屏

// show FPS

CCDirector.sharedDirector().setDisplayFPS(true);//fps

// frames per second

CCDirector.sharedDirector().setAnimationInterval(1.0f / 60);//每1/60秒运行一次

CCScene scene = CCScene.node();//生成场景节点

scene.addChild(nextAction());//场景布置

// Make the Scene active

CCDirector.sharedDirector().runWithScene(scene);//执行

}

@Override

public void onStart() {

super.onStart();

}

@Override

public void onPause() {

super.onPause();

CCDirector.sharedDirector().onPause();

}

@Override

public void onResume() {

super.onResume();

CCDirector.sharedDirector().onResume();

}

@Override

public void onDestroy() {

super.onDestroy();

CCDirector.sharedDirector().end();

//CCTextureCache.sharedTextureCache().removeAllTextures();

}

static int sceneIdx = -1;

static Class<?> transitions[] = {//类集合

DemoFlower.class,

DemoGalaxy.class,

DemoFirework.class,

DemoSpiral.class,

DemoSun.class,

DemoMeteor.class,

DemoFire.class,

DemoSmoke.class,

DemoExplosion.class,

DemoSnow.class,

DemoRain.class,

DemoBigFlower.class,

DemoRotFlower.class,

DemoModernArt.class,

DemoRing.class,

ParallaxParticle.class,

/* we can't work on plist files now

ParticleDesigner1.class,

ParticleDesigner2.class,

ParticleDesigner3.class,

ParticleDesigner4.class,

ParticleDesigner5.class,

ParticleDesigner6.class,

ParticleDesigner7.class,

ParticleDesigner8.class,

ParticleDesigner9.class,

ParticleDesigner10.class,

ParticleDesigner11.class,*/

RadiusMode1.class,

RadiusMode2.class,

// Issue704.class,

// Issue872.class,

// Issue870.class,

};

static CCLayer nextAction() {//动作下一步

sceneIdx++;

sceneIdx = sceneIdx % transitions.length;

return restartAction();

}

static CCLayer backAction() {//返回动作

sceneIdx--;

if (sceneIdx < 0)

sceneIdx += transitions.length;

return restartAction();

}

static CCLayer restartAction() {//重置

try {

Class<?> c = transitions[sceneIdx];

return (CCLayer) c.newInstance();

} catch (Exception e) {

e.printStackTrace();

return null;

}

}

static abstract class ParticleDemo extends CCColorLayer implements UpdateCallback {

CCTextureAtlas atlas;//文字图集

static final int kTagLabelAtlas = 1;

CCParticleSystememitter;//创建离子系统

CCSprite background;//创建背景精灵

public ParticleDemo() {

super(new ccColor4B(127,127,255));//颜色背景

this.setIsTouchEnabled(true);//可以点击

CGSize s = CCDirector.sharedDirector().winSize();//得到大小

CCLabel label = CCLabel.makeLabel(title(),"DroidSans",18);//标记

label.setPosition(CGPoint.make(s.width / 2,s.height - 50));//设置位置

addChild(label,100);//添加子类

String subtitle = subtitle();//得到字符

if( subtitle != null) {

CCLabel l = CCLabel.makeLabel(subtitle,"DroidSerif",16);//创建标签

addChild(l,100);//添加子类

l.setPosition(CGPoint.ccp(s.width/2,s.height-80));//设置位置

}

//创建下列3个按钮

CCMenuItemImage item1 = CCMenuItemImage.item("b1.png","b2.png",this,"backCallback");

CCMenuItemImage item2 = CCMenuItemImage.item("r1.png","r2.png","restartCallback");

CCMenuItemImage item3 = CCMenuItemImage.item("f1.png","f2.png","nextCallback");

//添加一个标签按钮，这个标签每次点击会切换字符串

CCMenuItemToggle item4 = CCMenuItemToggle.item(this,"toggleCallback",

CCMenuItemFont.item("Free Movement"),//散开的效果

CCMenuItemFont.item("Grouped Movement"));//圆效果

//把按钮添加进去

CCMenu menu = CCMenu.menu(item1,item2,item3,item4);//添加进菜单

menu.setPosition(CGPoint.make(0,0));//设置位置

item1.setPosition(CGPoint.make(s.width / 2 - 100,30));

item2.setPosition(CGPoint.make(s.width / 2,30));

item3.setPosition(CGPoint.make(s.width / 2 + 100,30));

item4.setPosition(CGPoint.ccp(0,100));

item4.setAnchorPoint(CGPoint.ccp(0,0));//设置锚点

addChild(menu,100);//菜单顶置

CCLabelAtlas labelAtlas = CCLabelAtlas.label("0000","fps_images.png",16,24,'.');//标签图

addChild(labelAtlas,100,kTagLabelAtlas);//添加子类

labelAtlas.setPosition(CGPoint.make(s.width-66,50));//设置顶点

// moving background

background = CCSprite.sprite("background3.png");//创建精灵

addChild(background,5);//添加子类

background.setPosition(CGPoint.make(s.width/2,s.height-180));

//设置位置

CCIntervalAction move = CCMoveBy.action(4,CGPoint.ccp(300,0));//移动

CCIntervalAction move_back = move.reverse();//反移动

CCIntervalAction seq = CCSequence.actions(move,move_back);//创建连

background.runAction(CCRepeatForever.action(seq));//执行

this.scheduleUpdate();//设置0优先等级的更新

}

@Override

public boolean ccTouchesBegan(MotionEvent e){//点击事件开始

// claim the touch

return true;

}

@Override

public boolean ccTouchesMoved(MotionEvent e) {//点击移动

return true;

}

@Override

public boolean ccTouchesEnded(MotionEvent e) {//点击结束

CGPoint location = CGPoint.ccp(e.getX(),e.getY());//定义点

CGPoint convertedLocation = CCDirector.sharedDirector().convertToGL(location);

//转换坐标

CGPoint pos = CGPoint.zero();//得到原点0.0

if( background != null)//如果背景层不为空

pos = background.convertToWorldSpace(0,0);//转换为世界坐标

emitter.setPosition(CGPoint.ccpSub(convertedLocation,pos));//做差

return true;

}

private TextBuilder particleCountString = new TextBuilder();//字符串

// String.format("%4d",emitter.getParticleCount())//这是要格式化成4位

private TextBuilder getParticleCountString(int c) {//得到字符串的方法

int len = MathLib.digitLength(c);//得到c的长度

int zeros = 4 - len;//用4-c

while (zeros-- > 0) {//一直循环-1，只要大于0就继续做

particleCountString.append('0');//补0

}

particleCountString.append(c);//把c添加进去

return particleCountString;//返回字符

}

public void update(float dt) {//重写每帧的执行

CCLabelAtlas atlas = (CCLabelAtlas) getChildByTag(kTagLabelAtlas);//得到标签

particleCountString.reset();//清楚掉字符

// String str = String.format("%4d",emitter.getParticleCount());

atlas.setString(getParticleCountString(emitter.getParticleCount()));//设置标签字符

}

public void toggleCallback(Object sender) {//由刚才那个点击得到这个事件。每次看看自己的参数设置，如果是grop的就设为free的，否则就射为group的

if( emitter.getPositionType() == CCParticleSystem.kCCPositionTypeGrouped )

emitter.setPositionType(CCParticleSystem.kCCPositionTypeFree);

else

emitter.setPositionType(CCParticleSystem.kCCPositionTypeGrouped);

}

public void restartCallback(Object sender) {//重置

// Scene s = Scene.node();

// s.addChild(restartAction());

// Director.sharedDirector().replaceScene(s);

emitter.resetSystem();

}

public void setEmitterPosition() {//设置点

if( CGPoint.equalToPoint( emitter.getCenterOfGravity(),CGPoint.zero() ) ) //如果相等

emitter.setPosition(CGPoint.make(200,70));//设定顶点

}

public void nextCallback(Object sender) {//2个切换事件

CCScene s = CCScene.node();

s.addChild(nextAction());

CCDirector.sharedDirector().replaceScene(s);

}

public void backCallback(Object sender) {

CCScene s = CCScene.node();

s.addChild(backAction());

CCDirector.sharedDirector().replaceScene(s);

}

public String title() {//得到字符串

return "No title";

}

public String subtitle() {

return "Tap the screen";

}

}

static class DemoFire extends ParticleDemo {//火

public void onEnter() {

super.onEnter();

emitter = CCParticleFire.node();

background.addChild(emitter,10);//添加系统

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("fire.png"));

//在缓存中添加图片火，并把这作为图案，作为离子的图案

CGPoint p = emitter.getPosition();//得到顶点

emitter.setPosition(CGPoint.ccp(p.x,100));//设置顶点让y=100

setEmitterPosition();//设置位置

}

public String title() {

return "ParticleFire";

}

}

static class DemoExplosion extends ParticleDemo {//爆炸

static final int kTagLabelAtlas = 1;

static final int kTagEmitter = 2;

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleExplosion.node();//新建爆炸节点

addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars_grayscale.png"));//设置图案

emitter.setAutoRemoveOnFinish(true);//完成后自动消失

setEmitterPosition();

}

@Override

public String title() {

return "ParticleExplosion";

}

}

static class DemoFirework extends ParticleDemo {//烟花，也是一种爆炸

static final int kTagLabelAtlas = 1;

static final int kTagEmitter = 2;

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleFireworks.node();

background.addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars.png"));//给个图片

emitter.setBlendAdditive(true);//设置加亮模式

setEmitterPosition();//设置点

}

@Override

public String title() {

return "ParticleFireworks";

}

}

static class DemoSun extends ParticleDemo {//太阳效果

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleSun.node();//生成一个太阳节点

background.addChild(emitter,10);//添加子类

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("fire.png"));//设置图像

setEmitterPosition();

}

@Override

public String title()

{

return "ParticleSun";

}

}

static class DemoGalaxy extends ParticleDemo {//银河系

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleGalaxy.node();//生成银河系节点

background.addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("fire.png"));//火图片

setEmitterPosition();

}

@Override

public String title() {

return "ParticleGalaxy";

}

}

static class DemoFlower extends ParticleDemo {//花

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleFlower.node();//花的节点

background.addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars_grayscale.png"));

//设置基本粒子图片

setEmitterPosition();

}

@Override

public String title() {

return "ParticleFlower";

}

}

static class DemoBigFlower extends ParticleDemo {//大花

@Override

public void onEnter() {

super.onEnter();

emitter = new CCQuadParticleSystem(50);//粒子系统50个粒子

background.addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars_grayscale.png"));

//设置图片

// duration

emitter.setDuration(CCParticleSystem.kCCParticleDurationInfinity);//粒子发射器设置永远

// Gravity Mode: gravity

emitter.setGravity(CGPoint.zero());//设置重力点在0.0

// Set "Gravity" mode (default one)

emitter.setEmitterMode(CCParticleSystem.kCCParticleModeGravity);//设置为重力模式，还有一种叫半径模式

// Gravity Mode: speed of particles

emitter.setSpeed(160);//速度

emitter.setSpeedVar(20);//加速度

// Gravity Mode: radial

emitter.setRadialAccel(-120);//设置切向速度

emitter.setRadialAccelVar(0);//切向加速度

// Gravity Mode: tagential

emitter.setTangentialAccel(30);//向心速度

emitter.setTangentialAccelVar(0);//向心加速度

// angle

emitter.setAngle(90);//设置角度

emitter.setAngleVar(360);//角度加速度

// emitter position

emitter.setPosition(CGPoint.ccp(160,240));//设置初始位置

emitter.setPosVar(CGPoint.zero());//设置位置变化率

// life of particles

emitter.setLife(4);//存活时期

emitter.setLifeVar(1);//时间变化率

// spin of particles

emitter.setStartSpin(0);//开始自转

emitter.setStartSpinVar(0);//开始转速度

emitter.setEndSpin(0);//结束自转

emitter.setEndSpinVar(0);//结束转速度

// color of particles

ccColor4F startColor = new ccColor4F(0.5f,0.5f,1.0f);

emitter.setStartColor(startColor);//设置初始颜色

ccColor4F startColorVar = new ccColor4F(0.5f,1.0f);

emitter.setStartColorVar(startColorVar);//设置颜色变化率

ccColor4F endColor = new ccColor4F(0.1f,0.1f,0.2f);

emitter.setEndColor(endColor);//设置结束颜色

ccColor4F endColorVar = new ccColor4F(0.1f,0.2f);

emitter.setEndColorVar(endColorVar);//设置结束颜色变化率

// size,in pixels

emitter.setStartSize(80.0f);//设置初始离子大小

emitter.setStartSizeVar(40.0f);//设置初始离子变化率

emitter.setEndSize(CCParticleSystem.kCCParticleStartSizeEqualToEndSize);//等同于初始大小

// emits per second

emitter.setEmissionRate( emitter.getTotalParticles()/emitter.getLife());//设置每秒产生离子率

// additive

emitter.setBlendAdditive(true);//设置在屏幕中间

setEmitterPosition();

}

@Override

public String title() {

return "Big Particles";

}

}

static class DemoRotFlower extends ParticleDemo {//花

@Override

public void onEnter() {

super.onEnter();

emitter = new CCQuadParticleSystem(300);//300个粒子的自定义粒子系统

background.addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars2_grayscale.png"));

//设置纹理

// duration

emitter.setDuration(CCParticleSystem.kCCParticleDurationInfinity);//永久存活

// Set "Gravity" mode (default one)

emitter.setEmitterMode(CCParticleSystem.kCCParticleModeGravity);//重力模式

// Gravity mode: gravity

emitter.setGravity(CGPoint.zero());//设置重力点

// Gravity mode: speed of particles

emitter.setSpeed(160);//设置粒子速度

emitter.setSpeedVar(20);//设置加速度

// Gravity mode: radial

emitter.setRadialAccel(-120);//径向速度

emitter.setRadialAccelVar(0);//径向加速度

// Gravity mode: tagential

emitter.setTangentialAccel(30);//切向速度

emitter.setTangentialAccelVar(0);//切向加速度

// emitter position

emitter.setPosition(CGPoint.ccp(160,240));//出发点

emitter.setPosVar(CGPoint.zero());//点变化速度

// angle

emitter.setAngle(90);//角度

emitter.setAngleVar(360);//角加速度

// life of particles

emitter.setLife(3);//生命周期

emitter.setLifeVar(1);//衰变速度

// spin of particles

emitter.setStartSpin(0);//粒子自己开始角度

emitter.setStartSpinVar(0);//粒子自己旋转的速度，0就是一开始速度为0

emitter.setEndSpin(0);//粒子自己结束时的角度

emitter.setEndSpinVar(2000);//单个粒子自己旋转的速度，2000就转的非常快了

// color of particles

ccColor4F startColor = new ccColor4F(0.5f,1.0f);//开始的颜色

emitter.setStartColor(startColor);//设置开始的颜色

ccColor4F startColorVar = new ccColor4F(0.5f,1.0f);//开始颜色变化速度

emitter.setStartColorVar(startColorVar);

ccColor4F endColor = new ccColor4F(0.1f,0.2f);//结束颜色

emitter.setEndColor(endColor);

ccColor4F endColorVar = new ccColor4F(0.1f,0.2f);//结束时的速度

emitter.setEndColorVar(endColorVar);

// size,in pixels

emitter.setStartSize(30.0f);//开始大小

emitter.setStartSizeVar(00.0f);//开始速度

emitter.setEndSize(CCParticleSystem.kCCParticleStartSizeEqualToEndSize);//结束大小设置的和一开始一样

// emits per second

emitter.setEmissionRate(emitter.getTotalParticles()/emitter.getLife());//每秒产生粒子的效率，得到全部产生的粒子/生命周期=粒子的产生效率

// additive

emitter.setBlendAdditive(false);//设置在屏幕中间

setEmitterPosition();

}

@Override

public String title() {

return "Spinning Particles";

}

}

static class DemoMeteor extends ParticleDemo {

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleMeteor.node();//粒子流星

background.addChild(emitter,10);//背景添加粒子流星

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("fire.png"));

//给粒子添加图案

setEmitterPosition();

}

@Override

public String title() {

return "ParticleMeteor";

}

}

static class DemoSpiral extends ParticleDemo {

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleSpiral.node();//颗粒螺旋

background.addChild(emitter,10);//添加螺旋

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("fire.png"));

//设置画面

setEmitterPosition();

}

@Override

public String title() {

return "ParticleSpiral";

}

}

static class DemoSmoke extends ParticleDemo {

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleSmoke.node();//粒子烟雾

background.addChild(emitter,10);

CGPoint p = emitter.getPosition();

emitter.setPosition(CGPoint.ccp( p.x,100));//设置位置

setEmitterPosition();

}

@Override

public String title() {

return "ParticleSmoke";

}

}

static class DemoSnow extends ParticleDemo {

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleSnow.node();//粒子下雪

background.addChild(emitter,p.y-110));

emitter.setLife(3);//生命周期3

emitter.setLifeVar(1);//生命速度1

// gravity

emitter.setGravity(CGPoint.ccp(0,-10));

// speed of particles

emitter.setSpeed(130);//设置速度

emitter.setSpeedVar(30);//加速度

ccColor4F startColor = emitter.getStartColor();//得到开始颜色

startColor.r = 0.9f;

startColor.g = 0.9f;

startColor.b = 0.9f;

emitter.setStartColor(startColor);//设置开始颜色，主要为了改透明度

ccColor4F startColorVar = emitter.getStartColorVar();//开始变换速度

startColorVar.b = 0.1f;

emitter.setStartColorVar(startColorVar);//只改变蓝色的变化速度

emitter.setEmissionRate(emitter.getTotalParticles()/emitter.getLife());//粒子产生速度

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("snow.png"));

//设置纹理

setEmitterPosition();

}

@Override

public String title() {

return "ParticleSnow";

}

}

static class DemoRain extends ParticleDemo {//下雨

@Override

public void onEnter(){

super.onEnter();

emitter = CCParticleRain.node();//下雨粒子效果

background.addChild(emitter,10);

CGPoint p = emitter.getPosition();//设置位置

emitter.setPosition(CGPoint.ccp( p.x,p.y-100));

emitter.setLife(4);//设置生命周期

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("fire.png"));

//设置纹理

setEmitterPosition();//设置位置

}

@Override

public String title() {

return "ParticleRain";

}

}

static class DemoModernArt extends ParticleDemo {

@Override

public void onEnter()

{

super.onEnter();

emitter = new CCPointParticleSystem(1000);//粒子效果1000个

background.addChild(emitter,10);//添加子类

CGSize s = CCDirector.sharedDirector().winSize();//得到大小

// duration

emitter.setDuration(CCParticleSystem.kCCParticleDurationInfinity);//生命周期永久

// Gravity mode

emitter.setEmitterMode(CCParticleSystem.kCCParticleModeGravity);//重力模式

// Gravity mode: gravity

emitter.setGravity(CGPoint.ccp(0,0));//重心

// Gravity mode: radial

emitter.setRadialAccel(70);//以下几个方法不做赘述

emitter.setRadialAccelVar(10);

// Gravity mode: tagential

emitter.setTangentialAccel(80);

emitter.setTangentialAccelVar(0);

// Gravity mode: speed of particles

emitter.setSpeed(50);

emitter.setSpeedVar(10);

// angle

emitter.setAngle(0);

emitter.setAngleVar(360);

// emitter position

emitter.setPosition(CGPoint.ccp( s.width/2,s.height/2));

emitter.setPosVar(CGPoint.zero());

// life of particles

emitter.setLife(2.0f);

emitter.setLifeVar(0.3f);

// emits per frame

emitter.setEmissionRate(emitter.getTotalParticles()/emitter.getLife());

// color of particles

ccColor4F startColor = new ccColor4F(0.5f,1.0f);

emitter.setStartColor(startColor);

ccColor4F startColorVar = new ccColor4F(0.5f,1.0f);

emitter.setStartColorVar(startColorVar);

ccColor4F endColor = new ccColor4F(0.1f,0.2f);

emitter.setEndColor(endColor);

ccColor4F endColorVar = new ccColor4F(0.1f,0.2f);

emitter.setEndColorVar(endColorVar);

// size,in pixels

emitter.setStartSize(1.0f);

emitter.setStartSizeVar(1.0f);

emitter.setEndSize(32.0f);

emitter.setEndSizeVar(8.0f);

// texture

// emitter.texture = [[TextureCache sharedTextureCache] addImage:@"fire-grayscale.png"];

// additive

emitter.setBlendAdditive(false);//不在中心

setEmitterPosition();

}

@Override

public String title()

{

return "Varying size";

}

}

static class DemoRing extends ParticleDemo {

@Override

public void onEnter() {

super.onEnter();

emitter = CCParticleFlower.node(500);

background.addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars_grayscale.png"));//设置纹理

emitter.setLifeVar(0);

emitter.setLife(10);

emitter.setSpeed(100);

emitter.setSpeedVar(0);

emitter.setEmissionRate(10000);//设置发射率

setEmitterPosition();

}

@Override

public String title() {

return "Ring Demo";

}

}

static class ParallaxParticle extends ParticleDemo {//视差粒子

@Override

public void onEnter() {

super.onEnter();

background.getParent().removeChild(background,true);//移除背景

background = null;

CCParallaxNode p = CCParallaxNode.node();//一个基础的视差场景

addChild(p,5);

CCSprite p1 = CCSprite.sprite("background3.png");//得到背景精灵1

background = p1;

CCSprite p2 = CCSprite.sprite("background3.png");//背景精灵2

p.addChild(p1,1,1f,0f,250f);//把背景精灵添加进来

p.addChild(p2,2,1.5f,50f);//添加背景精灵

emitter = CCParticleFlower.node(500);//粒子花

p1.addChild(emitter,10);//把粒子花添加进来

emitter.setPosition(CGPoint.ccp(250,200));

CCParticleSystem par = CCParticleSun.node(250);//太阳

p2.addChild(par,10);//添加精灵

par = null;//添加完把原字段置空，因为那个引用还在p2子类里

CCMoveBy move = CCMoveBy.action(4,0));//移动

CCMoveBy move_back = move.reverse();//返回

CCSequence seq = CCSequence.actions(move,move_back);//移动和返回

p.runAction(CCRepeatForever.action(seq));//永久动作

}

@Override

public String title() {

return "Parallax + Particles";

}

}

static class ParticleDesigner1 extends ParticleDemo {//粒子设计

@Override

public void onEnter() {

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);//移除场景

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/SpookyPeas.plist");//文件粒子

addChild(emitter,10);//添加粒子层

}

@Override

public String title() {

return "PD: Spooky Peas";

}

}

static class ParticleDesigner2 extends ParticleDemo {//设计2

@Override

public void onEnter() {

super.onEnter();

setColor(ccColor3B.ccBLACK);//设置背景颜色

removeChild(background,true);//移除背景精灵（和上面颜色无关）

background = null;//置空，等待回收

emitter = CCQuadParticleSystem.particleWithFile("Particles/SpinningPeas.plist");//从文件得到离子

addChild(emitter,10);//添加子类效果

// custom spinning

emitter.setStartSpin(0);//同上属性解释

emitter.setStartSpin(360);

emitter.setEndSpin(720);

emitter.setEndSpinVar(360);

}

@Override

public String title() {

return "PD: Spinning Peas";

}

}

static class ParticleDesigner3 extends ParticleDemo {//设计3

@Override

public void onEnter() {

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/LavaFlow.plist");//只有文件加载的粒子

addChild(emitter,10);//添加子类

}

@Override

public String title() {

return "PD: Lava Flow";

}

}

static class ParticleDesigner4 extends ParticleDemo {//设计4

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);

emitter = CCQuadParticleSystem.particleWithFile("Particles/ExplodingRing.plist");//从文件读取粒子

addChild(emitter,10);

removeChild(background,true);//比刚才多移除了背景动作

background = null;

}

@Override

public String title()

{

return "PD: Exploding Ring";

}

}

static class ParticleDesigner5 extends ParticleDemo {//设计5

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);//有黑背景

removeChild(background,true);

background = null;//移除背景图层精灵

emitter = CCQuadParticleSystem.particleWithFile("Particles/Comet.plist");//加载文件

addChild(emitter,10);

}

@Override

public String title()

{

return "PD: Comet";

}

}

static class ParticleDesigner6 extends ParticleDemo {//6

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);//同上

removeChild(background,true);

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/BurstPipe.plist");

addChild(emitter,10);

}

@Override

public String title()

{

return "PD: Burst Pipe";

}

}

static class ParticleDesigner7 extends ParticleDemo {//7

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);//黑背景

removeChild(background,true);

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/BoilingFoam.plist");//文件

addChild(emitter,10);

}

@Override

public String title()

{

return "PD: Boiling Foam";

}

}

static class ParticleDesigner8 extends ParticleDemo {//8，解释同理

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/Flower.plist");

addChild(emitter,10);

}

@Override

public String title() {

return "PD: Flower";

}

}

static class ParticleDesigner9 extends ParticleDemo {//9，解释同理

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/Spiral.plist");

addChild(emitter,10);

}

@Override

public String title()

{

return "PD: Blur Spiral";

}

}

static class ParticleDesigner10 extends ParticleDemo {//10，解释同理

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/Galaxy.plist");

addChild(emitter,10);

}

@Override

public String title() {

return "PD: Galaxy";

}

@Override

public String subtitle() {

return "Testing radial & tangential accel";

}

}

static class ParticleDesigner11 extends ParticleDemo {//11，解释同理

@Override

public void onEnter() {

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/debian.plist");

addChild(emitter,10);

}

@Override

public String title() {

return "PD: Debian";

}

@Override

public String subtitle() {

return "Testing radial & tangential accel";

}

}

static class RadiusMode1 extends ParticleDemo {//12

@Override

public void onEnter() {

super.onEnter();

setColor(ccColor3B.ccBLACK);//添加背景颜色

removeChild(background,true);//移除背景图层

background = null;

emitter = new CCQuadParticleSystem(200);//200个粒子的粒子系统

addChild(emitter,10);

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars_grayscale.png"));

//添加图案

// duration

emitter.setDuration(CCParticleSystem.kCCParticleDurationInfinity);

//永久存活

// radius mode

emitter.setEmitterMode(CCParticleSystem.kCCParticleModeRadius);

//半径模式

// radius mode: start and end radius in pixels

emitter.setStartRadius(0);//开始半径

emitter.setStartRadiusVar(0);//开始半径变换速度

emitter.setEndRadius(160);//结束半径

emitter.setEndRadiusVar(0);//结束半径变换速度

// radius mode: degrees per second

emitter.setRotatePerSecond(180);//旋转180度

emitter.setRotatePerSecondVar(0);旋转加速度

// angle

emitter.setAngle(90);//设置角度

emitter.setAngleVar(0);//设置角加速度

// emitter position

CGSize size = CCDirector.sharedDirector().winSize();//设置大小

emitter.setPosition(CGPoint.ccp( size.width/2,size.height/2));//设置位置

emitter.setPosVar(CGPoint.zero());//点变化速度

// life of particles

emitter.setLife(5);//设置生命周期

emitter.setLifeVar(0);

// spin of particles

emitter.setStartSpin(0);//设置开始角速度

emitter.setStartSpinVar(0);//加速度

emitter.setEndSpin(0);//结束角速度

emitter.setEndSpinVar(0);//结束角加速度

// color of particles

ccColor4F startColor = new ccColor4F(0.5f,1.0f);//开始颜色

emitter.setStartColor(startColor);

ccColor4F startColorVar = new ccColor4F(0.5f,0.2f);//结束速度

emitter.setEndColor(endColor);

ccColor4F endColorVar = new ccColor4F(0.1f,0.2f);//结束加速度

emitter.setEndColorVar(endColorVar);

// size,in pixels

emitter.setStartSize(32);//开始大小

emitter.setStartSizeVar(0);//开始变换速度

emitter.setEndSize(CCParticleSystem.kCCParticleStartSizeEqualToEndSize);//结束大小

// emits per second

emitter.setEmissionRate(emitter.getTotalParticles()/emitter.getLife());//出现的频率

// additive

emitter.setBlendAdditive(false);//不在中心

}

@Override

public String title() {

return "Radius Mode: Spiral";

}

}

static class RadiusMode2 extends ParticleDemo {//2

@Override

public void onEnter() {

super.onEnter();

setColor(ccColor3B.ccBLACK);//黑色背景

removeChild(background,true);//移除背景图层

background = null;

emitter = new CCQuadParticleSystem(200);//创建一个200个精灵的图层

addChild(emitter,10);//添加为子类

emitter.setTexture(CCTextureCache.sharedTextureCache().addImage("stars_grayscale.png"));

//设置纹理

// duration

emitter.setDuration(CCParticleSystem.kCCParticleDurationInfinity);

//永久存在的效果

// radius mode

emitter.setEmitterMode(CCParticleSystem.kCCParticleModeRadius);

//半径模式

// radius mode: 100 pixels from center

emitter.setStartRadius(100);//开始半径

emitter.setStartRadiusVar(0);//开始半径加速度

emitter.setEndRadius(CCParticleSystem.kCCParticleStartRadiusEqualToEndRadius);//结束和开始的半径相等，其参数值为-1

emitter.setEndRadiusVar(0);// not used when start == end//结束的加速度还是0

// radius mode: degrees per second

// 45 * 4 seconds of life = 180 degrees

emitter.setRotatePerSecond(45);//每秒45度

emitter.setRotatePerSecondVar(0);//加速度

// angle

emitter.setAngle(90);//设置角度90

emitter.setAngleVar(0);//设置角加速度0

// emitter position

CGSize size = CCDirector.sharedDirector().winSize();//设置大小

emitter.setPosition(CGPoint.ccp( size.width/2,size.height/2));

emitter.setPosVar(CGPoint.zero());

// life of particles

emitter.setLife(4);//设置生命周期

emitter.setLifeVar(0);//设置生命加速度

// spin of particles

emitter.setStartSpin(0);//开始角度

emitter.setStartSpinVar(0);//开始角加速度

emitter.setEndSpin(0);//结束角度

emitter.setEndSpinVar(0);//结束角加速度

// color of particles

ccColor4F startColor = new ccColor4F(0.5f,1.0f);//颜色

emitter.setStartColor(startColor);//设置开始颜色

ccColor4F startColorVar = new ccColor4F(0.5f,1.0f);//开始颜色加速度

emitter.setStartColorVar(startColorVar);

ccColor4F endColor = new ccColor4F(0.1f,0.2f);/结束颜色加速度

emitter.setEndColorVar(endColorVar);

// size,in pixels

emitter.setStartSize(32);//设置开始大小

emitter.setStartSizeVar(0);//设置大小加速度

emitter.setEndSize(CCParticleSystem.kCCParticleStartSizeEqualToEndSize);//设置结束加速度和开始加速度一样

// emits per second

emitter.setEmissionRate(emitter.getTotalParticles()/emitter.getLife());//设置迸射粒子速度

// additive

emitter.setBlendAdditive(false);//中心

}

@Override

public String title()

{

return "Radius Mode: Semi Circle";

}

}

static class Issue704 extends ParticleDemo {//

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);//黑色

removeChild(background,true);//移除背景

background = null;

emitter = new CCQuadParticleSystem(100);//生成一个有100个粒子的粒子系统

addChild(emitter,10);

emitter.setDuration(CCParticleSystem.kCCParticleDurationInfinity);//永久生存

// radius mode

emitter.setEmitterMode(CCParticleSystem.kCCParticleModeRadius);//半径模式

// radius mode: 50 pixels from center

emitter.setStartRadius(50);//开始半径50

emitter.setStartRadiusVar(0);//开始半径加速度0

emitter.setEndRadius(CCParticleSystem.kCCParticleStartRadiusEqualToEndRadius);//与开始相等

emitter.setEndRadiusVar(0);// not used when start == end//也相等

// radius mode: degrees per second

// 45 * 4 seconds of life = 180 degrees

emitter.setRotatePerSecond(0);//设置每秒转角度0

emitter.setRotatePerSecondVar(0);//每秒转加速度0

// angle

emitter.setAngle(90);//设置角度90

emitter.setAngleVar(0);//设置角加速度0

// emitter position

CGSize size = CCDirector.sharedDirector().winSize();//得到屏幕大小

emitter.setPosition(CGPoint.ccp(size.width/2,size.height/2));//位于屏幕中间

emitter.setPosVar(CGPoint.zero());//设置点变化速度

// life of particles

emitter.setLife (5);//生命周期

emitter.setLifeVar(0);//生命周期速度

// spin of particles

emitter.setStartSpin (0);//开始角度

emitter.setStartSpinVar (0);//开始角加速度

emitter.setEndSpin( 0);//结束角度

emitter.setEndSpinVar (0);//结束角加速度

// color of particles

ccColor4F startColor = new ccColor4F(0.5f,0.2f);//结束颜色加速度

emitter.setEndColorVar(endColorVar);

// size,in pixels

emitter.setStartSize(16);//设置开始大小

emitter.setStartSizeVar(0);//开始大小变化率

emitter.setEndSize(CCParticleSystem.kCCParticleStartSizeEqualToEndSize);//结束大小和开始大小一样

// emits per second

emitter.setEmissionRate( emitter.getTotalParticles()/emitter.getLife());//每秒的迸发速度

// additive

emitter.setBlendAdditive(false);//不在中心

CCIntervalAction rot = CCRotateBy.action(16,360);//一个相对旋转动作，转换为瞬间动作

emitter.runAction(CCRepeatForever.action(rot));//让粒子执行

}

@Override

public String title() {

return "Issue 704. Free + Rot";

}

@Override

public String subtitle() {

return "Emitted particles should not rotate";

}

}

static class Issue872 extends ParticleDemo {//872

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);//移除背景

background = null;

emitter = CCQuadParticleSystem.particleWithFile("Particles/Upsidedown.plist");//得到粒子效果从一个文件

addChild(emitter,10);

}

@Override

public String title() {

return "Issue 872. UpsideDown";

}

@Override

public String subtitle()

{

return "Particles should NOT be Upside Down. M should appear,not W.";

}

}

static class Issue870 extends ParticleDemo {//870

int index;

@Override

public void onEnter()

{

super.onEnter();

setColor(ccColor3B.ccBLACK);

removeChild(background,true);//同理

background = null;

CCQuadParticleSystem system = (CCQuadParticleSystem) CCQuadParticleSystem.particleWithFile("Particles/SpinningPeas.plist");//得到一个粒子效果从文件强制转换为粒子系统

system.setTexture(CCTextureCache.sharedTextureCache().addImage("particles.png"),CGRect.make(0,32,32));//添加纹理

addChild(system,10);//同理

emitter = system;

index = 0;

schedule("updateQuads",2);//更新

}

public void updateQuads(float dt) {//被更新的那个方法

index = (index + 1) % 4;//0-3循环

CGRect rect = CGRect.make(index*32,32);//制作一个区域

CCQuadParticleSystem system = (CCQuadParticleSystem) emitter;

system.setTexture(emitter.getTexture(),rect);//生成一个粒子系统

}

@Override

public String title()

{

return "Issue 870. SubRect";

}

@Override

public String subtitle()

{

return "Every 2 seconds the particle should change";

}

}

}

（编辑：李大同）

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