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Separated gradient estimation code.

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This commit is contained in:
David Williams
2008-04-20 21:58:14 +00:00
parent 286ba35b42
commit 83d6a7327b
6 changed files with 152 additions and 157 deletions
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9
source/PolyVoxSceneManager.cpp
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@@ -17,6 +17,7 @@ along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
******************************************************************************/
#include "GradientEstimators.h"
#include "IndexedSurfacePatch.h"
#include "MarchingCubesTables.h"
#include "PolyVoxSceneManager.h"
@@ -561,7 +562,7 @@ namespace PolyVox
if(normalGenerationMethod == SOBEL)
{
volIter.setPosition(static_cast<uint16_t>(posX),static_cast<uint16_t>(posY),static_cast<uint16_t>(posZ));
const Vector3DFloat gradFloor = volIter.getSobelGradient();
const Vector3DFloat gradFloor = computeSobelGradient(volIter);
if((posX - floorX) > 0.25) //The result should be 0.0 or 0.5
{
volIter.setPosition(static_cast<uint16_t>(posX+1.0),static_cast<uint16_t>(posY),static_cast<uint16_t>(posZ));
@@ -574,7 +575,7 @@ namespace PolyVox
{
volIter.setPosition(static_cast<uint16_t>(posX),static_cast<uint16_t>(posY),static_cast<uint16_t>(posZ+1.0));
}
const Vector3DFloat gradCeil = volIter.getSobelGradient();
const Vector3DFloat gradCeil = computeSobelGradient(volIter);
result = ((gradFloor + gradCeil) * -1.0);
if(result.lengthSquared() < 0.0001)
{
@@ -585,7 +586,7 @@ namespace PolyVox
if(normalGenerationMethod == CENTRAL_DIFFERENCE)
{
volIter.setPosition(static_cast<uint16_t>(posX),static_cast<uint16_t>(posY),static_cast<uint16_t>(posZ));
const Vector3DFloat gradFloor = volIter.getCentralDifferenceGradient();
const Vector3DFloat gradFloor = computeCentralDifferenceGradient(volIter);
if((posX - floorX) > 0.25) //The result should be 0.0 or 0.5
{
volIter.setPosition(static_cast<uint16_t>(posX+1.0),static_cast<uint16_t>(posY),static_cast<uint16_t>(posZ));
@@ -598,7 +599,7 @@ namespace PolyVox
{
volIter.setPosition(static_cast<uint16_t>(posX),static_cast<uint16_t>(posY),static_cast<uint16_t>(posZ+1.0));
}
const Vector3DFloat gradCeil = volIter.getCentralDifferenceGradient();
const Vector3DFloat gradCeil = computeCentralDifferenceGradient(volIter);
result = ((gradFloor + gradCeil) * -1.0);
if(result.lengthSquared() < 0.0001)
{