/*

 Copyright (C) 2015-2016 Apple Inc. All Rights Reserved.

 See LICENSE.txt for this sample’s licensing information

 Abstract:

 Default values for N-body simulation.

 */

#ifndef _NBODY_DEFAULTS_H_

#define _NBODY_DEFAULTS_H_

#import <cstdlib>

#ifdef __cplusplus

namespace NBody

{

    namespace Defaults

    {

        static const uint32_t kParticles = 1024 * 8;

        static const uint32_t kChannels  = 4;

        static const uint32_t kFrames    = 300;

        static const uint32_t kTexRes    = 64;

        static const float kAspectRatio  = 1.0f;

        static const float kCenter       = 0.5;

        static const float kDamping      = 1.0f;

        static const float kPointSz      = 10.0f;

        static const float kSofteningSqr = 1.0f;

        static const float kTolerance    = 1.0e-9;

        static const float kTimestep     = 0.016f;

        static const float kZCenter      = 100.0f;

        namespace Scale

        {

            static const float kCluster  = 1.54f;

            static const float kVelocity = 8.0f;

        } // Scale

        namespace Configs

        {

            enum : uint8_t

            {

                eRandom = 0,

                eShell,

                eExpand,

                eCount

            };

        } // Configs

    } // Defaults

} // NBody

#endif

#endif