inline Vertex *Polyline::vertex(size_t v) {
if (closed) {
v %= edgeCount();
} else if (v >= edgeCount()) {
return v == edgeCount() ? edges.back()->v2 : NULL;
}
return edges[v]->v1;
}
inline size_t Polyline::vertexCount() const {
return edgeCount() + (closed ? 0 : 1);
}
inline polyline_edge_const_iter Polyline::eend() const {
return polyline_edge_const_iter(this, edgeCount());
}
inline polyline_edge_iter Polyline::eend() {
return polyline_edge_iter(this, (ssize_t)edgeCount());
}
void NxAbstractMeshDescription::UpdateDerivedInformation(NxApexRenderDebug* renderDebug)
{
if (numIndices > 0)
{
pMin = pPosition[pIndices[0]];
pMax = pMin;
}
avgEdgeLength = 0;
avgTriangleArea = 0;
PxU32 triCount(numIndices / 3);
PxU32 edgeCount(numIndices);
for (PxU32 j = 0; j < numIndices; j += 3)
{
PxU32 i0 = pIndices[j + 0];
PxU32 i1 = pIndices[j + 1];
PxU32 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)
{
renderDebug->setCurrentColor(renderDebug->getDebugColor(physx::DebugColors::DarkBlue));
renderDebug->debugLine(v0, v1);
renderDebug->debugLine(v1, v2);
renderDebug->debugLine(v2, v0);
renderDebug->setCurrentColor(renderDebug->getDebugColor(physx::DebugColors::Green));
renderDebug->debugPoint(v0, 0.1f);
renderDebug->debugPoint(v1, 0.1f);
renderDebug->debugPoint(v2, 0.1f);
}
PxF32 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);
}
