120 lines
3.9 KiB
C++
120 lines
3.9 KiB
C++
/*******************************************************************************
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Copyright (c) 2005-2009 David Williams
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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*******************************************************************************/
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#include "Filters.h"
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#include "Log.h"
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#include "MaterialDensityPair.h"
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#include "Volume.h"
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#include "SurfaceExtractor.h"
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#include "SurfaceMesh.h"
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#include "PolyVoxImpl/Utility.h"
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#include "OpenGLWidget.h"
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#ifdef WIN32
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#include <windows.h> // Standard Header For Most Programs
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#endif
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#include <QApplication>
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#include <QTime>
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//Some namespaces we need
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using namespace std;
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using namespace PolyVox;
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using namespace std;
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void createSphereInVolume(Volume<MaterialDensityPair44>& volData, float fRadius, uint8_t uValue)
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{
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//This vector hold the position of the center of the volume
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Vector3DFloat v3dVolCenter(volData.getWidth() / 2, volData.getHeight() / 2, volData.getDepth() / 2);
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//This three-level for loop iterates over every voxel in the volume
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for (int z = 0; z < volData.getWidth(); z++)
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{
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for (int y = 0; y < volData.getHeight(); y++)
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{
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for (int x = 0; x < volData.getDepth(); x++)
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{
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//Store our current position as a vector...
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Vector3DFloat v3dCurrentPos(x,y,z);
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//And compute how far the current position is from the center of the volume
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float fDistToCenter = (v3dCurrentPos - v3dVolCenter).length();
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//If the current voxel is less than 'radius' units from the center
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//then we make it solid, otherwise we make it empty space.
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if(fDistToCenter <= fRadius)
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{
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volData.setVoxelAt(x,y,z, MaterialDensityPair44(uValue, uValue > 0 ? MaterialDensityPair44::getMaxDensity() : MaterialDensityPair44::getMinDensity()));
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}
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}
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}
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}
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}
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void createCubeInVolume(Volume<MaterialDensityPair44>& volData, Vector3DUint16 lowerCorner, Vector3DUint16 upperCorner, uint8_t uValue)
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{
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//This three-level for loop iterates over every voxel between the specified corners
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for (int z = lowerCorner.getZ(); z <= upperCorner.getZ(); z++)
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{
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for (int y = lowerCorner.getY(); y <= upperCorner.getY(); y++)
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{
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for (int x = lowerCorner.getX() ; x <= upperCorner.getX(); x++)
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{
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volData.setVoxelAt(x,y,z, MaterialDensityPair44(uValue, uValue > 0 ? MaterialDensityPair44::getMaxDensity() : MaterialDensityPair44::getMinDensity()));
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}
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}
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}
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}
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const uint16_t g_uVolumeSideLength = 64;
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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OpenGLWidget openGLWidget(0);
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openGLWidget.show();
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Volume<MaterialDensityPair44> volData(g_uVolumeSideLength, g_uVolumeSideLength, g_uVolumeSideLength);
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createSphereInVolume(volData, 30, 1);
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SurfaceExtractor<MaterialDensityPair44> surfaceExtractor(volData);
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shared_ptr<SurfaceMesh> surface = surfaceExtractor.extractSurfaceForRegion(volData.getEnclosingRegion());
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//OpenGLSurfaceMesh mesh = BuildOpenGLSurfaceMesh(*surface);
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//openGLWidget.mesh = BuildOpenGLSurfaceMesh(*(surface.get()));
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//openGLWidget.surfaceMesh = *surface;
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openGLWidget.setSurfaceMeshToRender(*surface);
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return app.exec();
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}
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