void baseObject::init()
{
setMaxMin();
width = xMax - xMin;
height = yMax - yMin;
texture = 0;
bSelected = false;
texRotation = 0;
for (int i = 0; i < 4; ++i)
color[i] = 1.0f;
}
void
WriterCompareTriangle::cutscene(int nbVertices,
const osg::BoundingBox& sceneBox)
{
osg::BoundingBox::vec_type length = sceneBox._max - sceneBox._min;
static const unsigned int k = 4;
unsigned int nbVerticesX = (nbVertices * k) / (length.z() * length.y());
unsigned int nbVerticesY = (nbVertices * k) / (length.z() * length.x());
unsigned int nbVerticesZ = (nbVertices * k) / (length.x() * length.y());
setMaxMin (nbVerticesX, nbVerticesY, nbVerticesZ);
OSG_DEBUG << "Cutting x by " << nbVerticesX << std::endl
<< "Cutting y by " << nbVerticesY << std::endl
<< "Cutting z by " << nbVerticesZ << std::endl;
osg::BoundingBox::value_type blocX = length.x() / nbVerticesX; //These 3 lines set the size of a box in x, y and z
osg::BoundingBox::value_type blocY = length.y() / nbVerticesY;
osg::BoundingBox::value_type blocZ = length.z() / nbVerticesZ;
boxList.reserve(nbVerticesX * nbVerticesY * nbVerticesZ);
short yinc = 1;
short xinc = 1;
unsigned int y = 0;
unsigned int x = 0;
for (unsigned int z = 0; z < nbVerticesZ; ++z)
{
while (x < nbVerticesX && x >= 0)
{
while (y < nbVerticesY && y >= 0)
{
osg::BoundingBox::value_type xMin = sceneBox.xMin() + x * blocX;
if (x == 0) //to prevent from mesh with no case
xMin -= 10;
osg::BoundingBox::value_type yMin = sceneBox.yMin() + y * blocY;
if (y == 0) //to prevent from mesh with no case
yMin -= 10;
osg::BoundingBox::value_type zMin = sceneBox.zMin() + z * blocZ;
if (z == 0) //to prevent from mesh with no case
zMin -= 10;
osg::BoundingBox::value_type xMax = sceneBox.xMin() + (x + 1) * blocX;
if (x == nbVerticesX - 1) //to prevent from mesh with no case
xMax += 10;
osg::BoundingBox::value_type yMax = sceneBox.yMin() + (y + 1) * blocY;
if (y == nbVerticesY - 1) //to prevent from mesh with no case
yMax += 10;
osg::BoundingBox::value_type zMax = sceneBox.zMin() + (z + 1) * blocZ;
if (z == nbVerticesZ - 1) //to prevent from mesh with no case
zMax += 10;
boxList.push_back(osg::BoundingBox(xMin, // Add a box to the list
yMin,
zMin,
xMax,
yMax,
zMax));
y += yinc;
}
yinc = -yinc;
y += yinc;
x += xinc;
}
xinc = -xinc;
x += xinc;
}
}
void WriterCompareTriangle::cutscene(int nbVertices, const osg::BoundingBox & sceneBox)
{
osg::BoundingBox::vec_type length = sceneBox._max - sceneBox._min;
static const float k = 1.3f; // Arbitrary constant multiplier for density computation ("simulates" non-uniform point distributions)
// Computes "density" of points, and thus the number of blocks to divide the mesh into
int nbVerticesX = static_cast<int>( (nbVertices * k) / (length.z() * length.y()) );
int nbVerticesY = static_cast<int>( (nbVertices * k) / (length.z() * length.x()) );
int nbVerticesZ = static_cast<int>( (nbVertices * k) / (length.x() * length.y()) );
setMaxMin (nbVerticesX, nbVerticesY, nbVerticesZ); // This function prevent from cutting the scene in too many blocs
OSG_INFO
<< "Cutting x by " << nbVerticesX << std::endl
<< "Cutting y by " << nbVerticesY << std::endl
<< "Cutting z by " << nbVerticesZ << std::endl;
osg::BoundingBox::value_type blocX = length.x() / nbVerticesX; // These 3 lines set the size of a bloc in x, y and z
osg::BoundingBox::value_type blocY = length.y() / nbVerticesY;
osg::BoundingBox::value_type blocZ = length.z() / nbVerticesZ;
boxList.reserve(nbVerticesX * nbVerticesY * nbVerticesZ);
short yinc = 1;
short xinc = 1;
int y = 0;
int x = 0;
for (int z = 0; z < nbVerticesZ; ++z)
{
while (x < nbVerticesX && x >= 0)
{
while (y < nbVerticesY && y >= 0)
{
osg::BoundingBox::value_type xMin = sceneBox.xMin() + x * blocX;
if (x == 0) //to prevent from mesh with no case
xMin -= 10;
osg::BoundingBox::value_type yMin = sceneBox.yMin() + y * blocY;
if (y == 0) //to prevent from mesh with no case
yMin -= 10;
osg::BoundingBox::value_type zMin = sceneBox.zMin() + z * blocZ;
if (z == 0) //to prevent from mesh with no case
zMin -= 10;
osg::BoundingBox::value_type xMax = sceneBox.xMin() + (x + 1) * blocX;
if (x == nbVerticesX - 1) //to prevent from mesh with no case
xMax += 10;
osg::BoundingBox::value_type yMax = sceneBox.yMin() + (y + 1) * blocY;
if (y == nbVerticesY - 1) //to prevent from mesh with no case
yMax += 10;
osg::BoundingBox::value_type zMax = sceneBox.zMin() + (z + 1) * blocZ;
if (z == nbVerticesZ - 1) //to prevent from mesh with no case
zMax += 10;
boxList.push_back(osg::BoundingBox(xMin, // Add a bloc to the list
yMin,
zMin,
xMax,
yMax,
zMax));
y += yinc;
}
yinc = -yinc;
y += yinc;
x += xinc;
}
xinc = -xinc;
x += xinc;
}
}
