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Octree Optimiser seems to work.

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Well.. There are a couple of weird things happening, need to investigate, but it's not that easy when scene start to be complicated :/
This commit is contained in:
Godzil
2020-03-12 00:14:00 +00:00
parent 5996e38e6e
commit 424d58c59b
2 changed files with 45 additions and 12 deletions
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55
source/worldbuilder/octreeoptimisation.cpp
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@@ -7,8 +7,10 @@
*
*/
#include <worldoptimiser.h>
#include <cube.h>
#include <transformation.h>
void OctreeOptimisation::makeTree(Group *leaf)
void OctreeOptimisation::makeTree(Group *leaf, int depth)
{
/* Let's take the bounding box of the root */
BoundingBox rootBB = leaf->getBounds();
@@ -23,10 +25,10 @@ void OctreeOptimisation::makeTree(Group *leaf)
int i;
if (leaf->getObjectCount() > 4)
if (leaf->getObjectCount() > 2)
{
/* Split the main bounding box into 8 boxes */
QuadrantBB[0] | rootBB.min;
QuadrantBB[0] | Point(rootBB.min.x, rootBB.min.y, rootBB.min.z);
QuadrantBB[0] | Point(midX, midY, midZ);
QuadrantBB[1] | Point(midX, rootBB.min.y, rootBB.min.z);
@@ -42,7 +44,7 @@ void OctreeOptimisation::makeTree(Group *leaf)
QuadrantBB[4] | Point(midX, rootBB.max.y, rootBB.max.z);
QuadrantBB[5] | Point(midX, midY, midZ);
QuadrantBB[5] | rootBB.max;
QuadrantBB[5] | Point(rootBB.max.x, rootBB.max.y, rootBB.max.z);
QuadrantBB[6] | Point(rootBB.min.x, rootBB.min.y, midZ);
QuadrantBB[6] | Point(midX, midY, rootBB.max.z);
@@ -69,8 +71,12 @@ void OctreeOptimisation::makeTree(Group *leaf)
if (Quadrants[quadrantIdx] == nullptr)
{
char name[32];
snprintf(name, 32, "Quadrant %d", quadrantIdx);
snprintf(name, 32, "%d_Quadrant %d", depth, quadrantIdx);
//for(int j=0; j < depth; j++) { printf(" "); }
//printf("%s\n", name);
Quadrants[quadrantIdx] = new Group(name);
Quadrants[quadrantIdx]->setBounds(QuadrantBB[quadrantIdx]);
}
Quadrants[quadrantIdx]->addObject(shp);
@@ -90,13 +96,40 @@ void OctreeOptimisation::makeTree(Group *leaf)
}
}
/* Now add the quadrant to the root and recurse in it */
for (quadrantIdx = 0 ; quadrantIdx < 8 ; quadrantIdx++)
//if (depth < 1)
{
if (Quadrants[quadrantIdx] != nullptr)
/* Now add the quadrant to the root and recurse in it */
for (quadrantIdx = 0 ; quadrantIdx < 8 ; quadrantIdx++)
{
this->makeTree(Quadrants[quadrantIdx]);
leaf->addObject(Quadrants[quadrantIdx]);
if (Quadrants[quadrantIdx] != nullptr)
{
this->makeTree(Quadrants[quadrantIdx], depth + 1);
Quadrants[quadrantIdx]->updateBoundingBox();
leaf->addObject(Quadrants[quadrantIdx]);
#if 0
Cube *cb = new Cube();
double sx = QuadrantBB[quadrantIdx].max.x - QuadrantBB[quadrantIdx].min.x;
double sy = QuadrantBB[quadrantIdx].max.y - QuadrantBB[quadrantIdx].min.y;
double sz = QuadrantBB[quadrantIdx].max.z - QuadrantBB[quadrantIdx].min.z;
cb->setTransform(translation(QuadrantBB[quadrantIdx].min.x, QuadrantBB[quadrantIdx].min.y,
QuadrantBB[quadrantIdx].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", Quadrants[quadrantIdx]->getName(),
Quadrants[quadrantIdx]->getObjectCount());
#endif
}
}
}
}
@@ -111,5 +144,5 @@ void OctreeOptimisation::run()
this->moveAllObjects();
/* Now.. The fun start ! */
makeTree(this->root);
makeTree(this->root, 0);
}