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/*
* Copyright (c) 2008-2017, NVIDIA CORPORATION. All rights reserved.
*
* NVIDIA CORPORATION and its licensors retain all intellectual property
* and proprietary rights in and to this software, related documentation
* and any modifications thereto. Any use, reproduction, disclosure or
* distribution of this software and related documentation without an express
* license agreement from NVIDIA CORPORATION is strictly prohibited.
*/
#ifndef CLOTHING_VELOCITY_CALLBACK_H
#define CLOTHING_VELOCITY_CALLBACK_H
#include "ApexUsingNamespace.h"
namespace nvidia
{
namespace apex
{
/**
\brief container class for the velocity shader callback.
*/
class ClothingVelocityCallback
{
public:
/**
\brief This callback will be fired in Apex threads. It must not address any user data, just operate on the data.
\param [in,out] velocities The velocities of the cloth. These can be modified if necessary, but then the method needs to return true!
\param [in] positions The positions of the cloth. Must not be modified, only read.
\param [in] numParticles Size of the velocities and positions array.
\return return true if the velocities have been altered, false if they just have been read
*/
virtual bool velocityShader(PxVec3* velocities, const PxVec3* positions, uint32_t numParticles) = 0;
};
} // namespace nvidia
} // namespace nvidia
#endif // CLOTHING_VELOCITY_CALLBACK_H
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