ios5 - iOS CAEmitterCell firework effect -


I want to create effects like fireworks. I know that I can use it for CAEmitterCell I tried to download some examples, but still is running with this feature in iOS 5.0

Any good tutorial knows that CAEmitterCell How can the fireworks effect be used?

I need to create something like this:

Image Details Here Enter

All particles are going from center to center (red circle) for green circles. The red circle is the starting point in which some CGPET values ​​will be.

I have found this solution:

How does this look like the DWFParticleView.h file 

  #import & lt; UIKit / UIKit.h & gt; @ Interface DWPpartial view: UIVUE @ property (nonomatic) CG float time; - (zero) configurateEmmiter; - (zero) setEmitterPositionFromTouch: (UITouch *) T; - (zero) set ISMT: (BLL) editing and point: (CG point) point; @end   
 How it looks DWFParticleView.m  
  #import "DWFParticleView.h" #import & lt; Quartzcore / Quartzcoreot & gt; @ Implementation DWFParticleView {CAEmitterLayer * fireEmitter; // 1} - (zero) configurateEmmiter {// define ref for layer layer = AMM = (CAmeterLayer *) itself Layer; // 2 // emitter layer fireEmitter.MitterPosition = CGPointMake (50, 50) Configure; FireEmitter.imitterSize = CGSizeMake (5, 5); CAEmitterCell * fire = [CAEmitterCell emitterCell]; Fire.birthRate = 0; Fire.lifetime = 2.0; Fire.lifetimeRange = 0.5; //fire.color = [[UIColor colorWithRed: 0.8 green: 0.4 blue: 0.2 alpha: 0.6] CGColor]; Fire.contents = (id) [[UIImage imageNamed: @ "star_icon.png"] CGImage]; [Fire setname: @ "fire"]; Fire Alkocity = 80; Fire.velocityRange = 20; Fire.emissionRange = M_PI * 2.0F; Fire.scaleSpeed ​​= 0.1; Fire Spin = 0.5; // Add the layer to the cell and we are doing the fireEmitter.MitterCells = [NSArray arrayWithObject: fire]; FireEmitter.rendermode = kCAEmitterLayerAdditive; } + (Class) layer class {returns [caameterlayer class]; } - (zero) setEmitterPositionFromTouch: (UITouch *) T {// emitter status fireEmitter.emitterPosition = [location locationView: self]; } - (zero) set ISMTING: (BOOL) is emitting and point: (CG point) point {fireEmitter.emitterPosition = point; // Turn the emission of particles on / off [Firetime set value: [NSNumber number: What is it? 50: 0] Kapeeth: @ "Emitter Cellfish. Breitrett"]; [Self Performance Selector: Object with: @Selector (Dicestep): After zero: self. time]; } - (zero) decstep {[Firearm Set Value: [NSNumber NumberAttention: 0] For Kekpath: @ "Emitter Cellfish. Breitrett"]; } @end   
 This is a tap on the screen, for example, which shows our effect  
  - (zero) tap {DWFParticleView * fireView = [[DWFParticleView Alloc] init]; FireView.time = 0.3; [Firewash set user interaction enabled: no]; [Fireview configured ammeter]; [Fireview setframe: CGRactack (0, 0, 0, 0)]; [Fireview setback color: [UIColor redColor]]; [Self.view addSubview: fireView]; }   
 Content I have found here:

Comments

Post a Comment

Popular posts from this blog

Python SQLAlchemy：AttributeError: Neither 'Column' object nor 'Comparator' object has an attribute 'schema' -

I tried to create a new database in my project, but when I run the script, I get this error, I have another project, this type of definition worked before, but now it gets a single error. I am using Python 2.7.8 and the version of SQLAlchemy module is 0.9.8. By the way, using a project flask- SQLAlchemy, it works well, I'm confused. Traceback information is as follows: Traceback (most recent call final): File "D: / Projects / IOM / db_create.py", line 4, & lt; Module & gt; From the models the base file "D: \ Projects \ OO-IM \ models.py", in line 15, in the & lt; Module & gt; Column ( 'followed_id', int (), ForeignKey ( 'user.id')) file "C: \ Python27 \ lib \ site-packages \ SQLAlchemy \ SQL \ schema.py", line 369, __new__ schema = metadata. Schema file "C: \ Python27 \ lib \ site-packages \ SQLAlchemy \ SQL \ elements.py", line 662, AttributeError in __getattr__ key): Neither 'column' object nor ...
Read more

java - How not to audit a join table and related entities using Hibernate Envers? -

I use Eners to be hibernate to audit my institutions. I have an audit entity, Foo , which includes a list & lt; Bars & gt; However, I do not want to audit the bar institutions, in the form of properties, I have written that: @inti @edicated public class Foo {@JoinTable (name = "T_FOO_BAR", joinColumns = @JoinColumn (name = "FOO_ID"), inverseJoinColumns = @JoinColumn (Name = "BAR_ID")) @ManyToMany (Cascade = Persist) @ Indited (targetAuditMode = RelationTargetAuditMode.NOT_AUDITED ) Public listing & lt; Bars & gt; GetBars () {Return bars; }} Now, I want to retrieve an amendment of foo : AuditReader reader = AuditReaderFactory.get (GetEntityManager ()); FU modification = (FU) reader.CreativeTeA () .entensEtrevision (Foo Class, 42) .getSingleResult (); Unfortunately, when I want to retrieve all the data (i.e. when it loads lazy times ), error me ORA-00942: table or view is not present , because Tried to query this: Sel...
Read more

mongodb - CakePHP paginator ignoring order, but only for certain values -

While pagging my user model in kppp, I can sort with some values, but not others. For example, I can order results from created or email , for example, but username or reputation seems to come back order by arbitrary command for example with a list of users: $ this-> paginate = array ('condition' => array ( 'User.is_active' = & gt; true), 'border' => 24, 'order' => array ('User.created' => DESC)); Works as expected, but $ this - & gt; Paged = array ('conditions' = & gt; array (' user.isIactive '= & gt; true),' border '= & gt; 24,' command '= & gt; array (' user repeats' = ' & Gt; DESC ')); No, no. I first thought that this could be a database issue, but when I search the database directly, sorted as expected. Note: I am using Mangodebi with the Mongo DB plugin of Ichikawa for the KPPHP; Pagnetizing users are used to work properl...
Read more