server_common/recastnavigation_v1.6.0
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Sped up input geom raycast

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This commit is contained in:
Mikko Mononen 2010-10-15 12:19:44 +00:00
parent 1e1cf6e89e
commit c83be9f214
9 changed files with 564 additions and 104 deletions
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RecastDemo/Bin/Recast.app/Contents/MacOS/Recast
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RecastDemo/Build/Xcode/Recast.xcodeproj/memon.pbxuser
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uiCtxt = { uiCtxt = {
sepNavIntBoundsRect = "{{0, 0}, {1013, 14274}}"; sepNavIntBoundsRect = "{{0, 0}, {992, 14391}}";
sepNavSelRange = "{26519, 0}"; sepNavSelRange = "{23991, 959}";
sepNavVisRange = "{20368, 1429}"; sepNavVisRange = "{24082, 1174}";
sepNavWindowFrame = "{{38, 30}, {1214, 722}}"; sepNavWindowFrame = "{{38, 30}, {1214, 722}}";
}; };
}; };
@ -1030,9 +1407,9 @@
}; };
6B9EFF0812281C3E00535FF1 /* DetourObstacleAvoidance.cpp */ = { 6B9EFF0812281C3E00535FF1 /* DetourObstacleAvoidance.cpp */ = {
uiCtxt = { uiCtxt = {
sepNavIntBoundsRect = "{{0, 0}, {931, 7319}}"; sepNavIntBoundsRect = "{{0, 0}, {931, 7397}}";
sepNavSelRange = "{6519, 782}"; sepNavSelRange = "{12772, 0}";
sepNavVisRange = "{6947, 765}"; sepNavVisRange = "{12687, 920}";
}; };
}; };
6BA1E88810C7BFC9008007F6 /* Sample_SoloMeshSimple.cpp */ = { 6BA1E88810C7BFC9008007F6 /* Sample_SoloMeshSimple.cpp */ = {
@ -1089,8 +1466,7 @@
hitCount = 0; hitCount = 0;
ignoreCount = 0; ignoreCount = 0;
lineNumber = 137; lineNumber = 137;
location = Recast; modificationTime = 308826279.220855;
modificationTime = 307623703.369916;
originalNumberOfMultipleMatches = 1; originalNumberOfMultipleMatches = 1;
state = 1; state = 1;
}; };
@ -1119,7 +1495,7 @@
fRef = 6BB788160FC0472B003C24DB /* ChunkyTriMesh.cpp */; fRef = 6BB788160FC0472B003C24DB /* ChunkyTriMesh.cpp */;
name = "ChunkyTriMesh.cpp: 59"; name = "ChunkyTriMesh.cpp: 59";
rLen = 0; rLen = 0;
rLoc = 1793; rLoc = 1811;
rType = 0; rType = 0;
vrLen = 552; vrLen = 552;
vrLoc = 1454; vrLoc = 1454;
@ -1129,7 +1505,7 @@
fRef = 6BB7FDA410F36F0E006DA0A6 /* InputGeom.cpp */; fRef = 6BB7FDA410F36F0E006DA0A6 /* InputGeom.cpp */;
name = "InputGeom.cpp: 395"; name = "InputGeom.cpp: 395";
rLen = 0; rLen = 0;
rLoc = 10073; rLoc = 10284;
rType = 0; rType = 0;
vrLen = 455; vrLen = 455;
vrLoc = 9715; vrLoc = 9715;
@ -1241,8 +1617,7 @@
hitCount = 0; hitCount = 0;
ignoreCount = 0; ignoreCount = 0;
lineNumber = 45; lineNumber = 45;
location = Recast; modificationTime = 308826279.219005;
modificationTime = 307623703.424199;
originalNumberOfMultipleMatches = 1; originalNumberOfMultipleMatches = 1;
state = 1; state = 1;
}; };
@ -1472,7 +1847,7 @@
fRef = 6B25B6180FFA62BE004F1BC4 /* main.cpp */; fRef = 6B25B6180FFA62BE004F1BC4 /* main.cpp */;
name = "main.cpp: 897"; name = "main.cpp: 897";
rLen = 0; rLen = 0;
rLoc = 20913; rLoc = 21072;
rType = 0; rType = 0;
vrLen = 601; vrLen = 601;
vrLoc = 20575; vrLoc = 20575;
@ -1552,7 +1927,7 @@
fRef = 6B98463211E6144400FA177B /* Sample_SoloMeshTiled.cpp */; fRef = 6B98463211E6144400FA177B /* Sample_SoloMeshTiled.cpp */;
name = "Sample_SoloMeshTiled.cpp: 866"; name = "Sample_SoloMeshTiled.cpp: 866";
rLen = 0; rLen = 0;
rLoc = 26519; rLoc = 26528;
rType = 0; rType = 0;
vrLen = 1429; vrLen = 1429;
vrLoc = 20368; vrLoc = 20368;
@ -1639,16 +2014,16 @@
}; };
6BB788160FC0472B003C24DB /* ChunkyTriMesh.cpp */ = { 6BB788160FC0472B003C24DB /* ChunkyTriMesh.cpp */ = {
uiCtxt = { uiCtxt = {
sepNavIntBoundsRect = "{{0, 0}, {933, 3712}}"; sepNavIntBoundsRect = "{{0, 0}, {931, 4316}}";
sepNavSelRange = "{1793, 0}"; sepNavSelRange = "{5408, 26}";
sepNavVisRange = "{1454, 552}"; sepNavVisRange = "{4979, 832}";
}; };
}; };
6BB788180FC04753003C24DB /* ChunkyTriMesh.h */ = { 6BB788180FC04753003C24DB /* ChunkyTriMesh.h */ = {
uiCtxt = { uiCtxt = {
sepNavIntBoundsRect = "{{0, 0}, {815, 800}}"; sepNavIntBoundsRect = "{{0, 0}, {931, 689}}";
sepNavSelRange = "{957, 0}"; sepNavSelRange = "{1575, 26}";
sepNavVisRange = "{396, 785}"; sepNavVisRange = "{133, 1115}";
}; };
}; };
6BB7FC0910EBB6AA006DA0A6 /* NavMeshTesterTool.h */ = { 6BB7FC0910EBB6AA006DA0A6 /* NavMeshTesterTool.h */ = {
@ -1668,16 +2043,16 @@
}; };
6BB7FDA310F36EFC006DA0A6 /* InputGeom.h */ = { 6BB7FDA310F36EFC006DA0A6 /* InputGeom.h */ = {
uiCtxt = { uiCtxt = {
sepNavIntBoundsRect = "{{0, 0}, {933, 1584}}"; sepNavIntBoundsRect = "{{0, 0}, {931, 1196}}";
sepNavSelRange = "{1880, 0}"; sepNavSelRange = "{2249, 0}";
sepNavVisRange = "{1682, 763}"; sepNavVisRange = "{1355, 2148}";
}; };
}; };
6BB7FDA410F36F0E006DA0A6 /* InputGeom.cpp */ = { 6BB7FDA410F36F0E006DA0A6 /* InputGeom.cpp */ = {
uiCtxt = { uiCtxt = {
sepNavIntBoundsRect = "{{0, 0}, {933, 7152}}"; sepNavIntBoundsRect = "{{0, 0}, {931, 6214}}";
sepNavSelRange = "{10073, 0}"; sepNavSelRange = "{7438, 0}";
sepNavVisRange = "{9715, 455}"; sepNavVisRange = "{7095, 766}";
}; };
}; };
6BB93C7710CFE1D500F74F2B /* DebugDraw.h */ = { 6BB93C7710CFE1D500F74F2B /* DebugDraw.h */ = {
@ -1822,8 +2197,7 @@
hitCount = 0; hitCount = 0;
ignoreCount = 0; ignoreCount = 0;
lineNumber = 279; lineNumber = 279;
location = Recast; modificationTime = 308826279.219623;
modificationTime = 307623703.336449;
originalNumberOfMultipleMatches = 1; originalNumberOfMultipleMatches = 1;
state = 1; state = 1;
}; };
@ -1948,8 +2322,7 @@
hitCount = 0; hitCount = 0;
ignoreCount = 0; ignoreCount = 0;
lineNumber = 541; lineNumber = 541;
location = Recast; modificationTime = 308826279.220026;
modificationTime = 307623703.377993;
originalNumberOfMultipleMatches = 1; originalNumberOfMultipleMatches = 1;
state = 1; state = 1;
}; };
@ -2008,8 +2381,7 @@
hitCount = 0; hitCount = 0;
ignoreCount = 0; ignoreCount = 0;
lineNumber = 480; lineNumber = 480;
location = Recast; modificationTime = 308826279.221242;
modificationTime = 307623703.394133;
originalNumberOfMultipleMatches = 1; originalNumberOfMultipleMatches = 1;
state = 1; state = 1;
}; };

47
RecastDemo/Build/Xcode/Recast.xcodeproj/memon.perspectivev3
View File

@ -284,14 +284,13 @@
<key>PBXSmartGroupTreeModuleOutlineStateSelectionKey</key> <key>PBXSmartGroupTreeModuleOutlineStateSelectionKey</key>
<array> <array>
<array> <array>
<integer>15</integer> <integer>82</integer>
<integer>11</integer>
<integer>1</integer> <integer>1</integer>
<integer>0</integer> <integer>0</integer>
</array> </array>
</array> </array>
<key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key> <key>PBXSmartGroupTreeModuleOutlineStateVisibleRectKey</key>
<string>{{0, 0}, {264, 660}}</string> <string>{{0, 1242}, {264, 660}}</string>
</dict> </dict>
<key>PBXTopSmartGroupGIDs</key> <key>PBXTopSmartGroupGIDs</key>
<array/> <array/>
@ -326,7 +325,7 @@
<key>PBXProjectModuleGUID</key> <key>PBXProjectModuleGUID</key>
<string>6B8632A30F78115100E2684A</string> <string>6B8632A30F78115100E2684A</string>
<key>PBXProjectModuleLabel</key> <key>PBXProjectModuleLabel</key>
<string>DetourNavMesh.h</string> <string>InputGeom.cpp</string>
<key>PBXSplitModuleInNavigatorKey</key> <key>PBXSplitModuleInNavigatorKey</key>
<dict> <dict>
<key>Split0</key> <key>Split0</key>
@ -334,14 +333,13 @@
<key>PBXProjectModuleGUID</key> <key>PBXProjectModuleGUID</key>
<string>6B8632A40F78115100E2684A</string> <string>6B8632A40F78115100E2684A</string>
<key>PBXProjectModuleLabel</key> <key>PBXProjectModuleLabel</key>
<string>DetourNavMesh.h</string> <string>InputGeom.cpp</string>
<key>_historyCapacity</key> <key>_historyCapacity</key>
<integer>0</integer> <integer>0</integer>
<key>bookmark</key> <key>bookmark</key>
<string>6B163319126832D20083FC15</string> <string>6B1635A812687E3E0083FC15</string>
<key>history</key> <key>history</key>
<array> <array>
<string>6BBB4AA5115B4F3400CF791D</string>
<string>6BBB4C34115B7A3D00CF791D</string> <string>6BBB4C34115B7A3D00CF791D</string>
<string>6BF5F27311747CFA000502A6</string> <string>6BF5F27311747CFA000502A6</string>
<string>6BF5F2E411748884000502A6</string> <string>6BF5F2E411748884000502A6</string>
@ -366,12 +364,9 @@
<string>6BD402811224393000995864</string> <string>6BD402811224393000995864</string>
<string>6BD4028C1224399300995864</string> <string>6BD4028C1224399300995864</string>
<string>6BD4029B12243A8000995864</string> <string>6BD4029B12243A8000995864</string>
<string>6BD402B4122441CB00995864</string>
<string>6B920A521225C0AC00D5B5AD</string> <string>6B920A521225C0AC00D5B5AD</string>
<string>6B920A6D1225C5DD00D5B5AD</string> <string>6B920A6D1225C5DD00D5B5AD</string>
<string>6BA7F8EC1227002300C8C47A</string> <string>6BA7F8EC1227002300C8C47A</string>
<string>6BA7F8ED1227002300C8C47A</string>
<string>6BA7F8EE1227002300C8C47A</string>
<string>6B8476F9122D000800ADF63D</string> <string>6B8476F9122D000800ADF63D</string>
<string>6B847779122D223D00ADF63D</string> <string>6B847779122D223D00ADF63D</string>
<string>6B84778B122D279700ADF63D</string> <string>6B84778B122D279700ADF63D</string>
@ -403,7 +398,6 @@
<string>6BA8CF951255D97400272A3B</string> <string>6BA8CF951255D97400272A3B</string>
<string>6BA8CFA81255DC6500272A3B</string> <string>6BA8CFA81255DC6500272A3B</string>
<string>6BA8CFBE1255DE0500272A3B</string> <string>6BA8CFBE1255DE0500272A3B</string>
<string>6BA8D10B125B0E8E00272A3B</string>
<string>6BA8D10C125B0E8E00272A3B</string> <string>6BA8D10C125B0E8E00272A3B</string>
<string>6BA8D10D125B0E8E00272A3B</string> <string>6BA8D10D125B0E8E00272A3B</string>
<string>6BB2EDF91261C75400E350F8</string> <string>6BB2EDF91261C75400E350F8</string>
@ -414,23 +408,28 @@
<string>6BB2EE351261CEB800E350F8</string> <string>6BB2EE351261CEB800E350F8</string>
<string>6BB2EE361261CEB800E350F8</string> <string>6BB2EE361261CEB800E350F8</string>
<string>6BB2EE3F1261D02000E350F8</string> <string>6BB2EE3F1261D02000E350F8</string>
<string>6BB2EE641261D48100E350F8</string>
<string>6BB2EE651261D48100E350F8</string>
<string>6BB2EE661261D48100E350F8</string> <string>6BB2EE661261D48100E350F8</string>
<string>6BB2EE671261D48100E350F8</string> <string>6BB2EE671261D48100E350F8</string>
<string>6BB2EE681261D48100E350F8</string>
<string>6BB2EE691261D48100E350F8</string> <string>6BB2EE691261D48100E350F8</string>
<string>6BB2EE731261DA0400E350F8</string> <string>6BB2EE731261DA0400E350F8</string>
<string>6BB2EE7A1264CD7900E350F8</string> <string>6BB2EE7A1264CD7900E350F8</string>
<string>6BB2EE7B1264CD7900E350F8</string> <string>6BB2EE7B1264CD7900E350F8</string>
<string>6B1632F2126830210083FC15</string>
<string>6B16330F1268326F0083FC15</string>
<string>6B1633101268326F0083FC15</string> <string>6B1633101268326F0083FC15</string>
<string>6B1633111268326F0083FC15</string> <string>6B1633111268326F0083FC15</string>
<string>6B1633121268326F0083FC15</string> <string>6B1633121268326F0083FC15</string>
<string>6B1633141268326F0083FC15</string> <string>6B1633141268326F0083FC15</string>
<string>6B163317126832D20083FC15</string> <string>6B163317126832D20083FC15</string>
<string>6B163318126832D20083FC15</string> <string>6B16338112684C6F0083FC15</string>
<string>6B16357012687A5D0083FC15</string>
<string>6B16357112687A5D0083FC15</string>
<string>6B16358C12687D740083FC15</string>
<string>6B16358D12687D740083FC15</string>
<string>6B16358E12687D740083FC15</string>
<string>6B16358F12687D740083FC15</string>
<string>6B16359012687D740083FC15</string>
<string>6B16359112687D740083FC15</string>
<string>6B16359D12687D980083FC15</string>
<string>6B1635A612687DDA0083FC15</string>
</array> </array>
</dict> </dict>
<key>SplitCount</key> <key>SplitCount</key>
@ -444,18 +443,18 @@
<key>GeometryConfiguration</key> <key>GeometryConfiguration</key>
<dict> <dict>
<key>Frame</key> <key>Frame</key>
<string>{{0, 0}, {992, 533}}</string> <string>{{0, 0}, {992, 528}}</string>
<key>RubberWindowFrame</key> <key>RubberWindowFrame</key>
<string>0 59 1278 719 0 0 1280 778 </string> <string>0 59 1278 719 0 0 1280 778 </string>
</dict> </dict>
<key>Module</key> <key>Module</key>
<string>PBXNavigatorGroup</string> <string>PBXNavigatorGroup</string>
<key>Proportion</key> <key>Proportion</key>
<string>533pt</string> <string>528pt</string>
</dict> </dict>
<dict> <dict>
<key>Proportion</key> <key>Proportion</key>
<string>140pt</string> <string>145pt</string>
<key>Tabs</key> <key>Tabs</key>
<array> <array>
<dict> <dict>
@ -485,9 +484,7 @@
<key>GeometryConfiguration</key> <key>GeometryConfiguration</key>
<dict> <dict>
<key>Frame</key> <key>Frame</key>
<string>{{10, 27}, {992, 113}}</string> <string>{{10, 27}, {992, -27}}</string>
<key>RubberWindowFrame</key>
<string>0 59 1278 719 0 0 1280 778 </string>
</dict> </dict>
<key>Module</key> <key>Module</key>
<string>PBXProjectFindModule</string> <string>PBXProjectFindModule</string>
@ -525,7 +522,9 @@
<key>GeometryConfiguration</key> <key>GeometryConfiguration</key>
<dict> <dict>
<key>Frame</key> <key>Frame</key>
<string>{{10, 27}, {992, 88}}</string> <string>{{10, 27}, {992, 118}}</string>
<key>RubberWindowFrame</key>
<string>0 59 1278 719 0 0 1280 778 </string>
</dict> </dict>
<key>Module</key> <key>Module</key>
<string>PBXBuildResultsModule</string> <string>PBXBuildResultsModule</string>

7
RecastDemo/Include/ChunkyTriMesh.h
View File

@ -42,8 +42,11 @@ struct rcChunkyTriMesh
bool rcCreateChunkyTriMesh(const float* verts, const int* tris, int ntris, bool rcCreateChunkyTriMesh(const float* verts, const int* tris, int ntris,
int trisPerChunk, rcChunkyTriMesh* cm); int trisPerChunk, rcChunkyTriMesh* cm);
// Returns the chunk indices which touch the input rectable. // Returns the chunk indices which overlap the input rectable.
int rcGetChunksInRect(const rcChunkyTriMesh* cm, float bmin[2], float bmax[2], int* ids, const int maxIds); int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm, float bmin[2], float bmax[2], int* ids, const int maxIds);
// Returns the chunk indices which overlap the input segment.
int rcGetChunksOverlappingSegment(const rcChunkyTriMesh* cm, float p[2], float q[2], int* ids, const int maxIds);
#endif // CHUNKYTRIMESH_H #endif // CHUNKYTRIMESH_H

76
RecastDemo/Source/ChunkyTriMesh.cpp
View File

@ -19,6 +19,7 @@
#include "ChunkyTriMesh.h" #include "ChunkyTriMesh.h"
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <math.h>
struct BoundsItem struct BoundsItem
{ {
@ -209,9 +210,9 @@ inline bool checkOverlapRect(const float amin[2], const float amax[2],
return overlap; return overlap;
} }
int rcGetChunksInRect(const rcChunkyTriMesh* cm, int rcGetChunksOverlappingRect(const rcChunkyTriMesh* cm,
float bmin[2], float bmax[2], float bmin[2], float bmax[2],
int* ids, const int maxIds) int* ids, const int maxIds)
{ {
// Traverse tree // Traverse tree
int i = 0; int i = 0;
@ -243,3 +244,72 @@ int rcGetChunksInRect(const rcChunkyTriMesh* cm,
return n; return n;
} }
static bool checkOverlapSegment(const float p[2], const float q[2],
const float bmin[2], const float bmax[2])
{
static const float EPSILON = 1e-6f;
float tmin = 0;
float tmax = 1;
float d[2];
d[0] = q[0] - p[0];
d[1] = q[1] - p[1];
for (int i = 0; i < 2; i++)
{
if (fabsf(d[i]) < EPSILON)
{
// Ray is parallel to slab. No hit if origin not within slab
if (p[i] < bmin[i] || p[i] > bmax[i])
return false;
}
else
{
// Compute intersection t value of ray with near and far plane of slab
float ood = 1.0f / d[i];
float t1 = (bmin[i] - p[i]) * ood;
float t2 = (bmax[i] - p[i]) * ood;
if (t1 > t2) { float tmp = t1; t1 = t2; t2 = tmp; }
if (t1 > tmin) tmin = t1;
if (t2 < tmax) tmax = t2;
if (tmin > tmax) return false;
}
}
return true;
}
int rcGetChunksOverlappingSegment(const rcChunkyTriMesh* cm,
float p[2], float q[2],
int* ids, const int maxIds)
{
// Traverse tree
int i = 0;
int n = 0;
while (i < cm->nnodes)
{
const rcChunkyTriMeshNode* node = &cm->nodes[i];
const bool overlap = checkOverlapSegment(p, q, node->bmin, node->bmax);
const bool isLeafNode = node->i >= 0;
if (isLeafNode && overlap)
{
if (n < maxIds)
{
ids[n] = i;
n++;
}
}
if (overlap || isLeafNode)
i++;
else
{
const int escapeIndex = -node->i;
i += escapeIndex;
}
}
return n;
}

42
RecastDemo/Source/InputGeom.cpp
View File

@ -286,28 +286,38 @@ bool InputGeom::raycastMesh(float* src, float* dst, float& tmin)
float dir[3]; float dir[3];
rcVsub(dir, dst, src); rcVsub(dir, dst, src);
int nt = m_mesh->getTriCount(); float p[2], q[2];
const float* verts = m_mesh->getVerts(); p[0] = src[0];
const float* normals = m_mesh->getNormals(); p[1] = src[2];
const int* tris = m_mesh->getTris(); q[0] = dst[0];
q[1] = dst[2];
int cid[512];
const int ncid = rcGetChunksOverlappingSegment(m_chunkyMesh, p, q, cid, 512);
if (!ncid)
return false;
tmin = 1.0f; tmin = 1.0f;
bool hit = false; bool hit = false;
const float* verts = m_mesh->getVerts();
for (int i = 0; i < nt*3; i += 3) for (int i = 0; i < ncid; ++i)
{ {
const float* n = &normals[i]; const rcChunkyTriMeshNode& node = m_chunkyMesh->nodes[cid[i]];
if (rcVdot(dir, n) > 0) const int* tris = &m_chunkyMesh->tris[node.i*3];
continue; const int ntris = node.n;
float t = 1; for (int j = 0; j < ntris*3; ++j)
if (intersectSegmentTriangle(src, dst,
&verts[tris[i]*3],
&verts[tris[i+1]*3],
&verts[tris[i+2]*3], t))
{ {
if (t < tmin) float t = 1;
tmin = t; if (intersectSegmentTriangle(src, dst,
hit = true; &verts[tris[j]*3],
&verts[tris[j+1]*3],
&verts[tris[j+2]*3], t))
{
if (t < tmin)
tmin = t;
hit = true;
}
} }
} }

2
RecastDemo/Source/Sample_SoloMeshTiled.cpp
View File

@ -803,7 +803,7 @@ bool Sample_SoloMeshTiled::handleBuild()
tbmax[0] = tileCfg.bmax[0]; tbmax[0] = tileCfg.bmax[0];
tbmax[1] = tileCfg.bmax[2]; tbmax[1] = tileCfg.bmax[2];
int cid[512];// TODO: Make grow when returning too many items. int cid[512];// TODO: Make grow when returning too many items.
const int ncid = rcGetChunksInRect(chunkyMesh, tbmin, tbmax, cid, 512); const int ncid = rcGetChunksOverlappingRect(chunkyMesh, tbmin, tbmax, cid, 512);
if (!ncid) if (!ncid)
continue; continue;

2
RecastDemo/Source/Sample_TileMesh.cpp
View File

@ -955,7 +955,7 @@ unsigned char* Sample_TileMesh::buildTileMesh(const int tx, const int ty, const
tbmax[0] = m_cfg.bmax[0]; tbmax[0] = m_cfg.bmax[0];
tbmax[1] = m_cfg.bmax[2]; tbmax[1] = m_cfg.bmax[2];
int cid[512];// TODO: Make grow when returning too many items. int cid[512];// TODO: Make grow when returning too many items.
const int ncid = rcGetChunksInRect(chunkyMesh, tbmin, tbmax, cid, 512); const int ncid = rcGetChunksOverlappingRect(chunkyMesh, tbmin, tbmax, cid, 512);
if (!ncid) if (!ncid)
return 0; return 0;

8
RecastDemo/Source/main.cpp
View File

@ -365,7 +365,13 @@ int main(int /*argc*/, char** /*argv*/)
if (processHitTest && geom && sample) if (processHitTest && geom && sample)
{ {
float t; float t;
if (geom->raycastMesh(rays, raye, t)) TimeVal t0 = getPerfTime();
bool hit = geom->raycastMesh(rays, raye, t);
TimeVal t1 = getPerfTime();
printf("raycast() %.4fms\n", getPerfDeltaTimeUsec(t0,t1)/1000.0f);
if (hit)
{ {
if (SDL_GetModState() & KMOD_CTRL) if (SDL_GetModState() & KMOD_CTRL)
{ {