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Tidying up basic OpenGL example.

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This commit is contained in:
David Williams 2010-07-09 22:17:23 +00:00
parent c90766edce
commit 4478037edc
1 changed files with 15 additions and 36 deletions
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51
examples/Basic/main.cpp
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@ -21,35 +21,20 @@ freely, subject to the following restrictions:
distribution. distribution.
*******************************************************************************/ *******************************************************************************/
#include "Filters.h"
#include "Log.h"
#include "MaterialDensityPair.h"
#include "Volume.h"
#include "SurfaceExtractor.h"
#include "SurfaceMesh.h"
#include "PolyVoxImpl/Utility.h"
#include "OpenGLWidget.h" #include "OpenGLWidget.h"
#ifdef WIN32 #include "MaterialDensityPair.h"
#include <windows.h> // Standard Header For Most Programs #include "SurfaceExtractor.h"
#endif #include "SurfaceMesh.h"
#include "Volume.h"
#include <QApplication> #include <QApplication>
#include <QTime>
//Some namespaces we need //Some namespaces we need
using namespace std; using namespace std;
using namespace PolyVox; using namespace PolyVox;
using namespace std; using namespace std;
void createSphereInVolume(Volume<MaterialDensityPair44>& volData, float fRadius, uint8_t uValue) void createSphereInVolume(Volume<MaterialDensityPair44>& volData, float fRadius, uint8_t uValue)
{ {
//This vector hold the position of the center of the volume //This vector hold the position of the center of the volume
@ -67,31 +52,25 @@ void createSphereInVolume(Volume<MaterialDensityPair44>& volData, float fRadius,
//And compute how far the current position is from the center of the volume //And compute how far the current position is from the center of the volume
float fDistToCenter = (v3dCurrentPos - v3dVolCenter).length(); float fDistToCenter = (v3dCurrentPos - v3dVolCenter).length();
//If the current voxel is less than 'radius' units from the center //Default to values representing empty space.
//then we make it solid, otherwise we make it empty space. uint8_t uMaterial = 0;
uint8_t uDensity = MaterialDensityPair44::getMinDensity();
//If the current voxel is less than 'radius' units from the center then we make it solid.
if(fDistToCenter <= fRadius) if(fDistToCenter <= fRadius)
{ {
volData.setVoxelAt(x,y,z, MaterialDensityPair44(uValue, uValue > 0 ? MaterialDensityPair44::getMaxDensity() : MaterialDensityPair44::getMinDensity())); uMaterial = 1;
uDensity = MaterialDensityPair44::getMaxDensity();
} }
//Wrte the voxel value into the volume
MaterialDensityPair44 voxel(uMaterial, uDensity);
volData.setVoxelAt(x, y, z, voxel);
} }
} }
} }
} }
void createCubeInVolume(Volume<MaterialDensityPair44>& volData, Vector3DUint16 lowerCorner, Vector3DUint16 upperCorner, uint8_t uValue)
{
//This three-level for loop iterates over every voxel between the specified corners
for (int z = lowerCorner.getZ(); z <= upperCorner.getZ(); z++)
{
for (int y = lowerCorner.getY(); y <= upperCorner.getY(); y++)
{
for (int x = lowerCorner.getX() ; x <= upperCorner.getX(); x++)
{
volData.setVoxelAt(x,y,z, MaterialDensityPair44(uValue, uValue > 0 ? MaterialDensityPair44::getMaxDensity() : MaterialDensityPair44::getMinDensity()));
}
}
}
}
const uint16_t g_uVolumeSideLength = 64; const uint16_t g_uVolumeSideLength = 64;