■

■mp3音楽再生　cocos2d
http://www.fou.ne.jp/iphone/

■パーティクル
http://idlysphere.blog66.fc2.com/blog-entry-179.html

■加速度センサ

		
		// isTouchEnabled is property of Layer (the super class).
		// When it is YES, then the accelerometer will be enabled
		self.isAccelerometerEnabled = YES;

// This callback will be called because 'isAccelerometerEnabled' is YES.
- (void) accelerometer:(UIAccelerometer*)accelerometer didAccelerate:(UIAcceleration*)acceleration
{	
//	Sprite *sprite = [self getChildByTag:kTagSprite];
	
	// Convert the coordinates to 'landscape' coords
	// since they are always in 'portrait' coordinates
	CGPoint converted = ccp((float) - acceleration.y, (float)acceleration.x);	
	
	// update the rotation based on the z-rotation
	// the sprite will always be 'standing up'
	mySprite.rotation = (float) CC_RADIANS_TO_DEGREES(atan2f(converted.x, converted.y) + M_PI);
	
	// update the scale based on the length of the acceleration
	// the higher the acceleration, the higher the scale factor
	mySprite.scale = 0.5f + sqrtf((converted.x * converted.x) + (converted.y * converted.y));
}