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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*
* Copyright (c) 2008-2015, 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.
*/
#include "ApexDefs.h"
#include "ModuleClothingHelpers.h"
#include "AbstractMeshDescription.h"
namespace nvidia
{
namespace apex
{
void AbstractMeshDescription::UpdateDerivedInformation(RenderDebugInterface* renderDebug)
{
if (numIndices > 0)
{
pMin = pPosition[pIndices[0]];
pMax = pMin;
}
avgEdgeLength = 0;
avgTriangleArea = 0;
uint32_t triCount(numIndices / 3);
uint32_t edgeCount(numIndices);
for (uint32_t j = 0; j < numIndices; j += 3)
{
uint32_t i0 = pIndices[j + 0];
uint32_t i1 = pIndices[j + 1];
uint32_t i2 = pIndices[j + 2];
const PxVec3& v0 = pPosition[i0];
const PxVec3& v1 = pPosition[i1];
const PxVec3& v2 = pPosition[i2];
pMin.minimum(v0);
pMin.minimum(v1);
pMin.minimum(v2);
pMax.maximum(v0);
pMax.maximum(v1);
pMax.maximum(v2);
PxVec3 e0 = v1 - v0;
PxVec3 e1 = v2 - v1;
PxVec3 e2 = v0 - v2;
avgEdgeLength += e0.magnitude();
avgEdgeLength += e1.magnitude();
avgEdgeLength += e2.magnitude();
if (renderDebug)
{
using RENDER_DEBUG::DebugColors;
RENDER_DEBUG_IFACE(renderDebug)->setCurrentColor(RENDER_DEBUG_IFACE(renderDebug)->getDebugColor(DebugColors::DarkBlue));
RENDER_DEBUG_IFACE(renderDebug)->debugLine(v0, v1);
RENDER_DEBUG_IFACE(renderDebug)->debugLine(v1, v2);
RENDER_DEBUG_IFACE(renderDebug)->debugLine(v2, v0);
RENDER_DEBUG_IFACE(renderDebug)->setCurrentColor(RENDER_DEBUG_IFACE(renderDebug)->getDebugColor(DebugColors::Green));
RENDER_DEBUG_IFACE(renderDebug)->debugPoint(v0, 0.1f);
RENDER_DEBUG_IFACE(renderDebug)->debugPoint(v1, 0.1f);
RENDER_DEBUG_IFACE(renderDebug)->debugPoint(v2, 0.1f);
}
float triangleArea = e0.cross(e2).magnitude() * 0.5f;
avgTriangleArea += triangleArea;
triCount++;
}
avgEdgeLength /= edgeCount;
avgTriangleArea /= triCount;
centroid = 0.5f * (pMin + pMax);
radius = 0.5f * (pMax - pMin).magnitude();
//printf("Min = <%f, %f, %f>; Max = <%f, %f, %f>; centroid = <%f, %f, %f>; radius = %f; avgEdgeLength = %f; avgTriangleArea = %f;\n",
// pMin.x, pMin.y, pMin.z, pMax.x, pMax.y, pMax.z, centroid.x, centroid.y, centroid.z, radius, avgEdgeLength, avgTriangleArea);
}
}
} // namespace nvidia
|