System/Library/Frameworks/SpriteKit.framework
SKNoiseFieldNode.h
@interface SKNoiseFieldNode : SKFieldNode
@property (nonatomic) float smoothness;
@property (nonatomic) float animationSpeed;
+ (BOOL)supportsSecureCoding;
- (id)init;
- (void)encodeWithCoder:(id)a0;
- (id)initWithCoder:(id)a0;
- (void)_initialize;
- (id)_descriptionClassName;
@end