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Slight changes in octree/bvh

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Godzil
2020-03-17 00:44:58 +00:00
parent 71c236abb0
commit 5651570c2b
2 changed files with 103 additions and 109 deletions
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165
source/worldoptimiser/octreeoptimisation.cpp
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@@ -26,109 +26,104 @@ void OctreeOptimisation::makeTree(Group *leaf, int depth)
int i;
//if (leaf->getObjectCount() > 2)
/* Split the main bounding box into 8 boxes */
octantBB[0] | Point(rootBB.min.x, rootBB.min.y, rootBB.min.z);
octantBB[0] | Point(midX, midY, midZ);
octantBB[1] | Point(midX, rootBB.min.y, rootBB.min.z);
octantBB[1] | Point(rootBB.max.x, midY, midZ);
octantBB[2] | Point(rootBB.min.x, midY, rootBB.min.z);
octantBB[2] | Point(midX, rootBB.max.y, midZ);
octantBB[3] | Point(midX, midY, rootBB.min.z);
octantBB[3] | Point(rootBB.max.x, rootBB.max.y, midZ);
octantBB[4] | Point(rootBB.min.x, midY, midZ);
octantBB[4] | Point(midX, rootBB.max.y, rootBB.max.z);
octantBB[5] | Point(midX, midY, midZ);
octantBB[5] | Point(rootBB.max.x, rootBB.max.y, rootBB.max.z);
octantBB[6] | Point(rootBB.min.x, rootBB.min.y, midZ);
octantBB[6] | Point(midX, midY, rootBB.max.z);
octantBB[7] | Point(midX, rootBB.min.y, midZ);
octantBB[7] | Point(rootBB.max.x, midY, rootBB.max.z);
for (octantIdx = 0 ; octantIdx < 8 ; octantIdx++)
{
/* Split the main bounding box into 8 boxes */
octantBB[0] | Point(rootBB.min.x, rootBB.min.y, rootBB.min.z);
octantBB[0] | Point(midX, midY, midZ);
octants[octantIdx] = nullptr;
}
octantBB[1] | Point(midX, rootBB.min.y, rootBB.min.z);
octantBB[1] | Point(rootBB.max.x, midY, midZ);
octantBB[2] | Point(rootBB.min.x, midY, rootBB.min.z);
octantBB[2] | Point(midX, rootBB.max.y, midZ);
octantBB[3] | Point(midX, midY, rootBB.min.z);
octantBB[3] | Point(rootBB.max.x, rootBB.max.y, midZ);
octantBB[4] | Point(rootBB.min.x, midY, midZ);
octantBB[4] | Point(midX, rootBB.max.y, rootBB.max.z);
octantBB[5] | Point(midX, midY, midZ);
octantBB[5] | Point(rootBB.max.x, rootBB.max.y, rootBB.max.z);
octantBB[6] | Point(rootBB.min.x, rootBB.min.y, midZ);
octantBB[6] | Point(midX, midY, rootBB.max.z);
octantBB[7] | Point(midX, rootBB.min.y, midZ);
octantBB[7] | Point(rootBB.max.x, midY, rootBB.max.z);
for (i = 0 ; i < leaf->getObjectCount(); i++)
{
Shape *shp = leaf->getObject(i);
BoundingBox objBB = shp->getBounds();
//if ((shp->getType() != Shape::GROUP) && (shp->getType() != Shape::OBJFILE))
for (octantIdx = 0 ; octantIdx < 8 ; octantIdx++)
{
octants[octantIdx] = nullptr;
}
for (i = 0 ; i < leaf->getObjectCount(); i++)
{
Shape *shp = leaf->getObject(i);
BoundingBox objBB = shp->getBounds();
//if ((shp->getType() != Shape::GROUP) && (shp->getType() != Shape::OBJFILE))
for (octantIdx = 0 ; octantIdx < 8 ; octantIdx++)
if (octantBB[octantIdx].fitsIn(objBB))
{
if (octantBB[octantIdx].fitsIn(objBB))
if (octants[octantIdx] == nullptr)
{
if (octants[octantIdx] == nullptr)
{
char name[32];
snprintf(name, 32, "%d_Quadrant %d", depth, octantIdx);
octants[octantIdx] = new Group(name);
char name[32];
snprintf(name, 32, "%d_Quadrant %d", depth, octantIdx);
octants[octantIdx] = new Group(name);
octants[octantIdx]->setBounds(octantBB[octantIdx]);
}
octants[octantIdx]->addObject(shp);
leaf->removeObject(shp);
i -= 1;
break;
octants[octantIdx]->setBounds(octantBB[octantIdx]);
}
}
if (shp->getType() == Shape::GROUP)
{
this->makeTree((Group *)shp, depth + 1);
}
if (shp->getType() == Shape::OBJFILE)
{
this->makeTree((Group *)((OBJFile *)shp)->getBaseGroup(), depth + 1);
octants[octantIdx]->addObject(shp);
leaf->removeObject(shp);
i -= 1;
break;
}
}
//if (depth < 1)
if (shp->getType() == Shape::GROUP)
{
/* Now add the quadrant to the root and recurse in it */
for (octantIdx = 0 ; octantIdx < 8 ; octantIdx++)
{
if (octants[octantIdx] != nullptr)
{
this->makeTree(octants[octantIdx], depth + 1);
this->makeTree((Group *)shp, depth + 1);
}
if (shp->getType() == Shape::OBJFILE)
{
this->makeTree((Group *)((OBJFile *)shp)->getBaseGroup(), depth + 1);
}
}
octants[octantIdx]->updateBoundingBox();
/* Now add the quadrant to the root and recurse in it */
for (octantIdx = 0 ; octantIdx < 8 ; octantIdx++)
{
if (octants[octantIdx] != nullptr)
{
this->makeTree(octants[octantIdx], depth + 1);
leaf->addObject(octants[octantIdx]);
octants[octantIdx]->updateBoundingBox();
leaf->addObject(octants[octantIdx]);
#if 0
Cube *cb = new Cube();
double sx = octantBB[octantIdx].max.x - octantBB[octantIdx].min.x;
double sy = octantBB[octantIdx].max.y - octantBB[octantIdx].min.y;
double sz = octantBB[octantIdx].max.z - octantBB[octantIdx].min.z;
Cube *cb = new Cube();
double sx = octantBB[octantIdx].max.x - octantBB[octantIdx].min.x;
double sy = octantBB[octantIdx].max.y - octantBB[octantIdx].min.y;
double sz = octantBB[octantIdx].max.z - octantBB[octantIdx].min.z;
cb->setTransform(translation(octantBB[octantIdx].min.x, octantBB[octantIdx].min.y,
octantBB[octantIdx].min.z) * scaling(sx, sy, sz));
cb->material.colour = Colour(0.01, 0.01, 0);
cb->materialSet = true;
cb->dropShadow = false;
cb->material.ambient = 0.1;
cb->material.reflective = 0;
cb->material.transparency = 0.95;
cb->material.refractiveIndex = 1;
cb->material.specular = 0;
leaf->addObject(cb);
cb->setTransform(translation(octantBB[octantIdx].min.x, octantBB[octantIdx].min.y,
octantBB[octantIdx].min.z) * scaling(sx, sy, sz));
cb->material.colour = Colour(0.01, 0.01, 0);
cb->materialSet = true;
cb->dropShadow = false;
cb->material.ambient = 0.1;
cb->material.reflective = 0;
cb->material.transparency = 0.95;
cb->material.refractiveIndex = 1;
cb->material.specular = 0;
leaf->addObject(cb);
printf("%s: %d objs\n", octants[octantIdx]->getName(),
octants[octantIdx]->getObjectCount());
printf("%s: %d objs\n", octants[octantIdx]->getName(),
octants[octantIdx]->getObjectCount());
#endif
}
}
}
}
}