24 int heightStickWidth, 
int heightStickLength, 
const void* heightfieldData,
    29         initialize(heightStickWidth, heightStickLength, heightfieldData,
    30                    heightScale, minHeight, maxHeight, upAxis, hdt,
    45         btScalar heightScale = maxHeight / 65535;
    47         initialize(heightStickWidth, heightStickLength, heightfieldData,
    48                    heightScale, minHeight, maxHeight, upAxis, hdt,
    56 int heightStickWidth, 
int heightStickLength, 
const void* heightfieldData,
   137     btVector3 extent = halfExtents.
dot3(abs_b[0], abs_b[1], abs_b[2]);
   140         aabbMin = center - extent;
   141         aabbMax = center + extent;
   244                 return (
int) (x - 0.5);
   246         return (
int) (x + 0.5);
   292         int     quantizedAabbMin[3];
   293         int     quantizedAabbMax[3];
   299         for (
int i = 0; i < 3; ++i) {
   300                 quantizedAabbMin[i]--;
   301                 quantizedAabbMax[i]++;
   313                         if (quantizedAabbMin[1]>startX)
   314                                 startX = quantizedAabbMin[1];
   315                         if (quantizedAabbMax[1]<endX)
   316                                 endX = quantizedAabbMax[1];
   317                         if (quantizedAabbMin[2]>startJ)
   318                                 startJ = quantizedAabbMin[2];
   319                         if (quantizedAabbMax[2]<endJ)
   320                                 endJ = quantizedAabbMax[2];
   325                         if (quantizedAabbMin[0]>startX)
   326                                 startX = quantizedAabbMin[0];
   327                         if (quantizedAabbMax[0]<endX)
   328                                 endX = quantizedAabbMax[0];
   329                         if (quantizedAabbMin[2]>startJ)
   330                                 startJ = quantizedAabbMin[2];
   331                         if (quantizedAabbMax[2]<endJ)
   332                                 endJ = quantizedAabbMax[2];
   337                         if (quantizedAabbMin[0]>startX)
   338                                 startX = quantizedAabbMin[0];
   339                         if (quantizedAabbMax[0]<endX)
   340                                 endX = quantizedAabbMax[0];
   341                         if (quantizedAabbMin[1]>startJ)
   342                                 startJ = quantizedAabbMin[1];
   343                         if (quantizedAabbMax[1]<endJ)
   344                                 endJ = quantizedAabbMax[1];
   357         for(
int j=startJ; j<endJ; j++)
   359                 for(
int x=startX; x<endX; x++)
   361                         btVector3 vertices[3];
 virtual void calculateLocalInertia(btScalar mass, btVector3 &inertia) const
void quantizeWithClamp(int *out, const btVector3 &point, int isMax) const
given input vector, return quantized version 
void setValue(const btScalar &_x, const btScalar &_y, const btScalar &_z)
virtual void setLocalScaling(const btVector3 &scaling)
btVector3 dot3(const btVector3 &v0, const btVector3 &v1, const btVector3 &v2) const
bool m_useDiamondSubdivision
const btScalar * m_heightfieldDataFloat
virtual const btVector3 & getLocalScaling() const
virtual void processTriangle(btVector3 *triangle, int partId, int triangleIndex)=0
virtual void processAllTriangles(btTriangleCallback *callback, const btVector3 &aabbMin, const btVector3 &aabbMax) const
process all triangles within the provided axis-aligned bounding box 
virtual ~btHeightfieldTerrainShape()
const btScalar & getY() const
Return the y value. 
PHY_ScalarType m_heightDataType
void getVertex(int x, int y, btVector3 &vertex) const
this returns the vertex in bullet-local coordinates 
bool m_useZigzagSubdivision
const unsigned char * m_heightfieldDataUnsignedChar
const btScalar & getZ() const
Return the z value. 
virtual btScalar getRawHeightFieldValue(int x, int y) const
This returns the "raw" (user's initial) height, not the actual height. 
void initialize(int heightStickWidth, int heightStickLength, const void *heightfieldData, btScalar heightScale, btScalar minHeight, btScalar maxHeight, int upAxis, PHY_ScalarType heightDataType, bool flipQuadEdges)
protected initialization 
btHeightfieldTerrainShape(int heightStickWidth, int heightStickLength, const void *heightfieldData, btScalar heightScale, btScalar minHeight, btScalar maxHeight, int upAxis, PHY_ScalarType heightDataType, bool flipQuadEdges)
preferred constructor 
The btTriangleCallback provides a callback for each overlapping triangle when calling processAllTrian...
static int getQuantized(btScalar x)
btVector3 can be used to represent 3D points and vectors. 
const short * m_heightfieldDataShort
btMatrix3x3 absolute() const
Return the matrix with all values non negative. 
virtual void getAabb(const btTransform &t, btVector3 &aabbMin, btVector3 &aabbMax) const
getAabb returns the axis aligned bounding box in the coordinate frame of the given transform t...
The btMatrix3x3 class implements a 3x3 rotation matrix, to perform linear algebra in combination with...
virtual btScalar getMargin() const
void setMax(const btVector3 &other)
Set each element to the max of the current values and the values of another btVector3. 
const void * m_heightfieldDataUnknown
const btScalar & getX() const
Return the x value. 
void setMin(const btVector3 &other)
Set each element to the min of the current values and the values of another btVector3. 
float btScalar
The btScalar type abstracts floating point numbers, to easily switch between double and single floati...
PHY_ScalarType
PHY_ScalarType enumerates possible scalar types. 
int m_heightStickWidth
terrain data