/*

    Copyright (C) 2015 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    Common superclass for the scenes in this demo. Manages an update loop for agents, and provides a mouse/touch tracking agent for use in some of the demo scenes.

 */

@import SpriteKit;

@import GameplayKit;

typedef NS_ENUM(NSInteger, AAPLSceneType) {

    AAPLSceneTypeSeek = 0,

    AAPLSceneTypeWander,

    AAPLSceneTypeFlee,

    AAPLSceneTypeAvoid,

    AAPLSceneTypeSeparate,

    AAPLSceneTypeAlign,

    AAPLSceneTypeFlock,

    AAPLSceneTypePath,

    AAPLSceneTypesCount

};

const static float AAPLDefaultAgentRadius = 40.0f;

@interface AAPLGameScene : SKScene

+ (AAPLGameScene *)sceneWithType:(AAPLSceneType)sceneType size:(CGSize)size;

@property (nonatomic, readonly) NSString *sceneName;

// A component system to manage per-frame updates for all agents.

@property (nonatomic, readonly) GKComponentSystem *agentSystem;

// An agent whose position tracks that of mouseDragged (OS X) or touchesMoved (iOS) events.

// This agent has no display representation, but can be used to make other agents follow the mouse/touch.

@property (nonatomic, readonly) GKAgent2D *trackingAgent;

// YES when the mouse is dragging (OS X) or a touch is moving

@property (nonatomic, getter=isSeeking) BOOL seeking;

@property (nonatomic, readonly) GKGoal *stopGoal;

@end