Refactoring example code.

This commit is contained in:
David Williams
2015-02-20 11:23:17 +01:00
parent 3f849e19a4
commit 565aa21799
5 changed files with 232 additions and 198 deletions

View File

@ -68,43 +68,56 @@ void createSphereInVolume(PagedVolume<uint8_t>& volData, float fRadius)
}
}
class SmoothLODExample : public OpenGLWidget
{
public:
SmoothLODExample(QWidget *parent)
:OpenGLWidget(parent)
{
}
protected:
void initialize() override
{
//Create an empty volume and then place a sphere in it
PagedVolume<uint8_t> volData(PolyVox::Region(Vector3DInt32(0, 0, 0), Vector3DInt32(63, 63, 63)));
createSphereInVolume(volData, 28);
//Smooth the data - should reimplement this using LowPassFilter
//smoothRegion<PagedVolume, Density8>(volData, volData.getEnclosingRegion());
//smoothRegion<PagedVolume, Density8>(volData, volData.getEnclosingRegion());
//smoothRegion<PagedVolume, Density8>(volData, volData.getEnclosingRegion());
RawVolume<uint8_t> volDataLowLOD(PolyVox::Region(Vector3DInt32(0, 0, 0), Vector3DInt32(15, 31, 31)));
VolumeResampler< PagedVolume<uint8_t>, RawVolume<uint8_t> > volumeResampler(&volData, PolyVox::Region(Vector3DInt32(0, 0, 0), Vector3DInt32(31, 63, 63)), &volDataLowLOD, volDataLowLOD.getEnclosingRegion());
volumeResampler.execute();
//Extract the surface
auto meshLowLOD = extractMarchingCubesMesh(&volDataLowLOD, volDataLowLOD.getEnclosingRegion());
// The returned mesh needs to be decoded to be appropriate for GPU rendering.
auto decodedMeshLowLOD = decodeMesh(meshLowLOD);
//Extract the surface
auto meshHighLOD = extractMarchingCubesMesh(&volData, PolyVox::Region(Vector3DInt32(30, 0, 0), Vector3DInt32(63, 63, 63)));
// The returned mesh needs to be decoded to be appropriate for GPU rendering.
auto decodedMeshHighLOD = decodeMesh(meshHighLOD);
//Pass the surface to the OpenGL window
addMesh(decodedMeshHighLOD, Vector3DInt32(30, 0, 0));
addMesh(decodedMeshLowLOD, Vector3DInt32(0, 0, 0), 63.0f / 31.0f);
setViewableRegion(volData.getEnclosingRegion());
}
};
int main(int argc, char *argv[])
{
//Create and show the Qt OpenGL window
QApplication app(argc, argv);
OpenGLWidget openGLWidget(0);
SmoothLODExample openGLWidget(0);
openGLWidget.show();
//Create an empty volume and then place a sphere in it
PagedVolume<uint8_t> volData(PolyVox::Region(Vector3DInt32(0, 0, 0), Vector3DInt32(63, 63, 63)));
createSphereInVolume(volData, 28);
//Smooth the data - should reimplement this using LowPassFilter
//smoothRegion<PagedVolume, Density8>(volData, volData.getEnclosingRegion());
//smoothRegion<PagedVolume, Density8>(volData, volData.getEnclosingRegion());
//smoothRegion<PagedVolume, Density8>(volData, volData.getEnclosingRegion());
RawVolume<uint8_t> volDataLowLOD(PolyVox::Region(Vector3DInt32(0,0,0), Vector3DInt32(15, 31, 31)));
VolumeResampler< PagedVolume<uint8_t>, RawVolume<uint8_t> > volumeResampler(&volData, PolyVox::Region(Vector3DInt32(0, 0, 0), Vector3DInt32(31, 63, 63)), &volDataLowLOD, volDataLowLOD.getEnclosingRegion());
volumeResampler.execute();
//Extract the surface
auto meshLowLOD = extractMarchingCubesMesh(&volDataLowLOD, volDataLowLOD.getEnclosingRegion());
// The returned mesh needs to be decoded to be appropriate for GPU rendering.
auto decodedMeshLowLOD = decodeMesh(meshLowLOD);
//Extract the surface
auto meshHighLOD = extractMarchingCubesMesh(&volData, PolyVox::Region(Vector3DInt32(30, 0, 0), Vector3DInt32(63, 63, 63)));
// The returned mesh needs to be decoded to be appropriate for GPU rendering.
auto decodedMeshHighLOD = decodeMesh(meshHighLOD);
//Pass the surface to the OpenGL window
openGLWidget.addMesh(decodedMeshHighLOD, Vector3DInt32(30, 0, 0));
openGLWidget.addMesh(decodedMeshLowLOD, Vector3DInt32(0, 0, 0), 63.0f / 31.0f);
openGLWidget.setViewableRegion(volData.getEnclosingRegion());
//Run the message pump.
return app.exec();
}