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/*
* Copyright (c) 2014 Google, Inc.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef B2_PARTICLE_ASSEMBLY_H
#define B2_PARTICLE_ASSEMBLY_H
#include "b2_growable_buffer.h"
#include "b2_math.h"
struct b2ParticleContact;
struct FindContactCheck
{
uint16 particleIndex;
uint16 comparatorIndex;
};
struct FindContactInput
{
uint32 proxyIndex;
b2Vec2 position;
};
enum { NUM_V32_SLOTS = 4 };
#ifdef __cplusplus
extern "C" {
#endif
extern int CalculateTags_Simd(const b2Vec2* positions,
int count,
const float& inverseDiameter,
uint32* outTags);
extern void FindContactsFromChecks_Simd(
const FindContactInput* reordered,
const FindContactCheck* checks,
int numChecks,
const float& particleDiameterSq,
const float& particleDiameterInv,
const uint32* flags,
b2GrowableBuffer<b2ParticleContact>& contacts);
#ifdef __cplusplus
} // extern "C"
#endif
#endif