Play Animation one after another « cocos2d for iPhone

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Play Animation one after another

(10 posts) (3 voices)

Started 10 months ago by kazuo1231
Latest reply from kazuo1231

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kazuo1231
Member

Hi! I have 2 questions:

1. I have this sequence of animations that I want to happen, The code below animates all at the same time. How can I make it get some sort of delay in between?

2. Aside from that, the animation below should play around 1.5 seconds after my main animation. How do I do so?

I think these two questions are related, soo yeah. Thanks!

kazuo

/*
blah blah blah, other animations here.
*/

for (int expl = 1; expl <= 3; expl++) {
            [[CCSpriteFrameCache sharedSpriteFrameCache] addSpriteFramesWithFile:   @"explosion.plist"];
            CCSpriteBatchNode *explosionSpriteSheet = [CCSpriteBatchNode batchNodeWithFile:@"explosion.png"];

            [self addChild:explosionSpriteSheet];

            NSMutableArray *explosionAnimFrames = [NSMutableArray array];
            for(int i = 1; i <= 7; ++i) {
                [explosionAnimFrames addObject:
                 [[CCSpriteFrameCache sharedSpriteFrameCache] spriteFrameByName:[NSString stringWithFormat:@"EX%d.png", i]]];
            }
            CCAnimation *explosionAnim = [CCAnimation animationWithFrames:explosionAnimFrames delay:0.1f];

            _explosion = [CCSprite spriteWithSpriteFrameName:@"EX1.png"];

            switch(expl)
            {
                case 1: _explosion.position = ccp(200, 100);
                    break;
                case 2: _explosion.position = ccp(100, 100);
                    break;
                case 3: _explosion.position = ccp(250, 150);
                    break;
            }

            _explosion.scale = _explosion.scale/3;
            [_explosion runAction:[CCSequence actions:[CCRepeat actionWithAction:[CCAnimate actionWithAnimation:explosionAnim restoreOriginalFrame:NO] times:1],
                           [CCCallFuncN actionWithTarget:self selector:@selector(spriteDone:)],nil]];

            [[CCSpriteFrameCache sharedSpriteFrameCache] removeUnusedSpriteFrames];
            [explosionSpriteSheet addChild:_explosion];

        }

Posted 10 months ago #

alfaro
Member

you can use CCDelayTime, its an action so you can just put it in the middle of your CCSequence to get the desired effect

Posted 10 months ago #
kazuo1231
Member

alright, that's for inside the loop. Now how do I make the for loop trigger after around 2 seconds? if I don't do that, the for loop animation triggers along with everything else.

Thanks

Posted 10 months ago #
clarus
Member

Add a CCDelayTime action as the first part of the sequence?

Posted 10 months ago #
kazuo1231
Member

I tried adding in the CCDelayTime in the action sequence, all it does is just animate longer or get deleted longer. =/ Also, I can't use CCDelayTime before going through the loop, since the stuff before that are not actions, and so is the loop

Posted 10 months ago #
clarus
Member

If you're trying to stagger your actions, for every iteration of the for loop create a sequence of actions that has a CCDelayTime action of (expl -1) * whateverDelayYouWantBetweenExplosions followed by the actions you have above. That will stagger them. Or, have each explosion trigger the next in its completion method.

To trigger the for loop later, break it out into another method and either do a performSelector:withObject:afterDelay: on it or create an action that's a CCSequence of a 2 second delay action followed by a CCCallFuncN action that calls your method.

Posted 10 months ago #
kazuo1231
Member
Okay, I've done the latter for the playing of the explosions, broke off the for loop into a method and just did a

[self schedule:@selector(onExplode:) interval:2];.

could you show an example on how do I stagger the explosions?

currently I have this:
```
[_explosion runAction:[CCSequence actions:[CCRepeat actionWithAction:[CCAnimate actionWithAnimation:explosionAnim restoreOriginalFrame:NO] times:1],
                               [CCCallFuncN actionWithTarget:self selector:@selector(spriteDone:)],nil]];
```
what I want it to do:

1. play explosion
2. delete explosion animation
3. delay for half a second
4. go back to #1
Posted 10 months ago #
kazuo1231
Member

Bah, juuust a little more!

I'm almost done!

I've taken out the for loop and placed it in its own function that takes an int as a parameter. Now, how do I call it with the selector?>_<

[self performSelector:@selector(onExplode:1) withObject:nil afterDelay:1.0];

Always gives me an "Expected ')' before numeric constant" error.

This last one!>_<

Thanks a lot!

Posted 10 months ago #

clarus
Member

If you use performSelector, and assuming you're trying to pass an explosion number to that method, you'd want to do something like this:

NSNumber *explosionNumber;

explosionNumber = [NSNumber numberWithInteger: 1];
[self performSelector:@selector(onExplode:) withObject:explosionNumber afterDelay:1.0];

and then have onExplode be like this:

- (void) onExplode: (NSNumber *) explosionNumber
{
   NSInteger   whichExplosion = [explosionNumber integerValue];

   // Your other code follows, using whichExplosion.
   // .
   // .
   // .

}

Posted 10 months ago #

kazuo1231
Member

Thank you!

That solves everything!

Posted 10 months ago #

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