sprite kit frame rate dip at start and only once - sprite-kit

Question

I have a sprite that runs and jumps (like Mario), I am using a state machine to help with running the animation actions, I am using a texture atlas, and everything works fine.
- (void)jumpingphysics {
if (_JumpBool && self.onGround) {
_doubleJumpBool = YES;
_JumpBool = NO;
[self catJump];
self.physicsBody.velocity = CGVectorMake(0.0, 600);
}
// double jump
if (_JumpBool && _doubleJumpBool) {
self.physicsBody.velocity = CGVectorMake(0.0, 600);
[self catDoubleJump];
_doubleJumpBool = NO;
_JumpBool = NO;
}
}
this is the method thats called.
- (void)catJump {
if (_actionState == kActionStateIdle || _actionState == kActionStateWalk || _actionState == kActionStateJump) {
[self removeAllActions];
[self runAction:_jumpAction];
SKAction *jumpFx = [SKAction playSoundFileNamed:#"jump.wav" waitForCompletion:NO];
[self runAction:jumpFx];
_actionState = kActionStateJump;
}
}
this is where I created the frames array animation.
- (void)catJumpAnimation {
int i;
NSMutableArray *jumpFrames = [NSMutableArray arrayWithCapacity:9];
for (i = 1 ; i < 9; ++i) {
NSString *frames = [NSString stringWithFormat:#"jump%d.png",i];
SKTexture *temp = [catAtlas textureNamed:frames];
[jumpFrames addObject:temp];
self.jumpAction = [SKAction animateWithTextures:jumpFrames timePerFrame:1.0 / 16.0 resize:YES restore:NO];
}
}
The problem is when running on an iPad mini, when I jump the first time, my frame rate dips to 40, only that first time, and only on my iPad mini, not my iPhone 5 c.
I know its the [self catJump] call that causes the frame rate dip, but I'm confused why only that call causes a dip, I have other animations which do more work yet don't cause a dip.
Any ideas would be greatly appreciated. :D

Answer 1

In my ActionSprite.h class which handles the the methods that controls the animations and sounds.
#interface ActionSprite : SKSpriteNode
#property (nonatomic,strong)SKAction *jumpFx;
#property (nonatomic,strong)SKAction *DjumpFx;
#property (nonatomic,strong)SKAction *hurtFx;
#property (nonatomic,strong)SKAction *dashFx;
#property (nonatomic,strong)SKAction *defeatFx;
#property (nonatomic,strong)SKAction *powerFx;
#property (nonatomic,strong)SKAction *bounceFx;
#property (nonatomic,strong)SKAction *rocketFx;
In my ActionSprite.m
#implementation ActionSprite
- (id)init {
if (self = [super init]) {
}
return self;
}
- (void)preLoadSound {
_jumpFx = [SKAction playSoundFileNamed:#"jump.wav" waitForCompletion:NO];
_DjumpFx = [SKAction playSoundFileNamed:#"dJump.wav" waitForCompletion:NO];
_hurtFx = [SKAction playSoundFileNamed:#"cat hurt.wav" waitForCompletion:NO];
_defeatFx = [SKAction playSoundFileNamed:#"defeat.wav" waitForCompletion:NO];
_bounceFx = [SKAction playSoundFileNamed:#"bounce.wav" waitForCompletion:NO];
_powerFx = [SKAction playSoundFileNamed:#"power.mp3" waitForCompletion:NO];
_rocketFx = [SKAction playSoundFileNamed:#"rocketFx.wav" waitForCompletion:NO];
}
preload sounds in the cat class
#implementation Cat
SKTextureAtlas *catAtlas;
- (id)init {
if (self = [super initWithImageNamed:#"idle.png"]) {
catAtlas = [SKTextureAtlas atlasNamed:#"idle.plist"];
[self preLoadSound];
}
return self;
}
no more lag! :D