aboutsummaryrefslogtreecommitdiff
path: root/PhysX_3.4/Snippets/SnippetVehicleCommon/SnippetVehicleTireFriction.cpp
blob: dcc4748fc400dacd24045635f6576a12b7bee8c9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name of NVIDIA CORPORATION nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2008-2018 NVIDIA Corporation. All rights reserved.
// Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
// Copyright (c) 2001-2004 NovodeX AG. All rights reserved.  

#include <new>
#include "SnippetVehicleTireFriction.h"
#include "PxPhysicsAPI.h"

namespace snippetvehicle
{

using namespace physx;

//Tire model friction for each combination of drivable surface type and tire type.
static PxF32 gTireFrictionMultipliers[MAX_NUM_SURFACE_TYPES][MAX_NUM_TIRE_TYPES]=
{
	//NORMAL,	WORN
	{1.00f,		0.1f}//TARMAC
};

PxVehicleDrivableSurfaceToTireFrictionPairs* createFrictionPairs(const PxMaterial* defaultMaterial)
{
	PxVehicleDrivableSurfaceType surfaceTypes[1];
	surfaceTypes[0].mType = SURFACE_TYPE_TARMAC;

	const PxMaterial* surfaceMaterials[1];
	surfaceMaterials[0] = defaultMaterial;

	PxVehicleDrivableSurfaceToTireFrictionPairs* surfaceTirePairs =
		PxVehicleDrivableSurfaceToTireFrictionPairs::allocate(MAX_NUM_TIRE_TYPES,MAX_NUM_SURFACE_TYPES);

	surfaceTirePairs->setup(MAX_NUM_TIRE_TYPES, MAX_NUM_SURFACE_TYPES, surfaceMaterials, surfaceTypes);

	for(PxU32 i = 0; i < MAX_NUM_SURFACE_TYPES; i++)
	{
		for(PxU32 j = 0; j < MAX_NUM_TIRE_TYPES; j++)
		{
			surfaceTirePairs->setTypePairFriction(i,j,gTireFrictionMultipliers[i][j]);
		}
	}
	return surfaceTirePairs;
}

} // namespace snippetvehicle