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add zigzag heightfield for Ogre compatibility.

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Fixes Issue 625. Thanks to KLLoyd!
This commit is contained in:
erwin.coumans
2012-09-09 22:48:20 +00:00
parent f50cf5585a
commit 5417bae113
2 changed files with 6 additions and 2 deletions
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3
src/BulletCollision/CollisionShapes/btHeightfieldTerrainShape.cpp
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@@ -82,6 +82,7 @@ PHY_ScalarType hdt, bool flipQuadEdges
m_heightDataType = hdt;
m_flipQuadEdges = flipQuadEdges;
m_useDiamondSubdivision = false;
m_useZigzagSubdivision = false;
m_upAxis = upAxis;
m_localScaling.setValue(btScalar(1.), btScalar(1.), btScalar(1.));
@@ -360,7 +361,7 @@ void btHeightfieldTerrainShape::processAllTriangles(btTriangleCallback* callback
for(int x=startX; x<endX; x++)
{
btVector3 vertices[3];
if (m_flipQuadEdges || (m_useDiamondSubdivision && !((j+x) & 1)))
if (m_flipQuadEdges || (m_useDiamondSubdivision && !((j+x) & 1))|| (m_useZigzagSubdivision && !(j & 1)))
{
//first triangle
getVertex(x,j,vertices[0]);