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Small changes to basic example, mostly for clarity.

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This commit is contained in:
David Williams 2012-11-17 16:38:46 +01:00
parent 27f943adb3
commit 03cd1ada6d
1 changed files with 11 additions and 11 deletions
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22
examples/Basic/main.cpp
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@ -24,6 +24,7 @@ freely, subject to the following restrictions:
#include "OpenGLWidget.h" #include "OpenGLWidget.h"
#include "PolyVoxCore/CubicSurfaceExtractorWithNormals.h" #include "PolyVoxCore/CubicSurfaceExtractorWithNormals.h"
#include "PolyVoxCore/MarchingCubesSurfaceExtractor.h"
#include "PolyVoxCore/SurfaceMesh.h" #include "PolyVoxCore/SurfaceMesh.h"
#include "PolyVoxCore/SimpleVolume.h" #include "PolyVoxCore/SimpleVolume.h"
@ -49,23 +50,17 @@ void createSphereInVolume(SimpleVolume<uint8_t>& 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();
uint8_t uMaterial = 0; uint8_t uVoxelValue = 0;
//If the current voxel is less than 'radius' units from the center then we make it solid. //If the current voxel is less than 'radius' units from the center then we make it solid.
if(fDistToCenter <= fRadius) if(fDistToCenter <= fRadius)
{ {
//Our new density value //Our new voxel value
uMaterial = 1; uVoxelValue = 255;
} }
//Get the old voxel
//Material8 voxel = volData.getVoxelAt(x,y,z);
//Modify the density and material
//voxel.setMaterial(uMaterial);
//Wrte the voxel value into the volume //Wrte the voxel value into the volume
volData.setVoxelAt(x, y, z, uMaterial); volData.setVoxelAt(x, y, z, uVoxelValue);
} }
} }
} }
@ -82,9 +77,14 @@ int main(int argc, char *argv[])
SimpleVolume<uint8_t> volData(PolyVox::Region(Vector3DInt32(0,0,0), Vector3DInt32(63, 63, 63))); SimpleVolume<uint8_t> volData(PolyVox::Region(Vector3DInt32(0,0,0), Vector3DInt32(63, 63, 63)));
createSphereInVolume(volData, 30); createSphereInVolume(volData, 30);
//Extract the surface //A mesh object to hold the result of surface extraction
SurfaceMesh<PositionMaterialNormal> mesh; SurfaceMesh<PositionMaterialNormal> mesh;
//Create a surface extractor. Comment out one of the following two lines to decide which type gets created.
CubicSurfaceExtractorWithNormals< SimpleVolume<uint8_t> > surfaceExtractor(&volData, volData.getEnclosingRegion(), &mesh); CubicSurfaceExtractorWithNormals< SimpleVolume<uint8_t> > surfaceExtractor(&volData, volData.getEnclosingRegion(), &mesh);
//MarchingCubesSurfaceExtractor< SimpleVolume<uint8_t> > surfaceExtractor(&volData, volData.getEnclosingRegion(), &mesh);
//Execute the surface extractor.
surfaceExtractor.execute(); surfaceExtractor.execute();
//Pass the surface to the OpenGL window //Pass the surface to the OpenGL window