@brief Configures a dHeightfieldDataID to use a callback to
retrieve height data.
Before a dHeightfieldDataID can be used by a geom it must be
configured to specify the format of the height data.
This call specifies that the heightfield data is computed by
the user and it should use the given callback when determining
the height of a given element of it's shape.
@param d A new dHeightfieldDataID created by dGeomHeightfieldDataCreate
@param width Specifies the total 'width' of the heightfield along
the geom's local x axis.
@param depth Specifies the total 'depth' of the heightfield along
the geom's local z axis.
@param widthSamples Specifies the number of vertices to sample
along the width of the heightfield. Each vertex has a corresponding
height value which forms the overall shape.
Naturally this value must be at least two or more.
@param depthSamples Specifies the number of vertices to sample
along the depth of the heightfield.
@param scale A uniform scale applied to all raw height data.
@param offset An offset applied to the scaled height data.
@param thickness A value subtracted from the lowest height
value which in effect adds an additional cuboid to the base of the
heightfield. This is used to prevent geoms from looping under the
desired terrain and not registering as a collision. Note that the
thickness is not affected by the scale or offset parameters.
@param bWrap If non-zero the heightfield will infinitely tile in both
directions along the local x and z axes. If zero the heightfield is
bounded from zero to width in the local x axis, and zero to depth in
the local z axis.
@brief Configures a dHeightfieldDataID to use a callback to retrieve height data.
Before a dHeightfieldDataID can be used by a geom it must be configured to specify the format of the height data. This call specifies that the heightfield data is computed by the user and it should use the given callback when determining the height of a given element of it's shape.
@param d A new dHeightfieldDataID created by dGeomHeightfieldDataCreate
@param width Specifies the total 'width' of the heightfield along the geom's local x axis. @param depth Specifies the total 'depth' of the heightfield along the geom's local z axis.
@param widthSamples Specifies the number of vertices to sample along the width of the heightfield. Each vertex has a corresponding height value which forms the overall shape. Naturally this value must be at least two or more. @param depthSamples Specifies the number of vertices to sample along the depth of the heightfield.
@param scale A uniform scale applied to all raw height data. @param offset An offset applied to the scaled height data.
@param thickness A value subtracted from the lowest height value which in effect adds an additional cuboid to the base of the heightfield. This is used to prevent geoms from looping under the desired terrain and not registering as a collision. Note that the thickness is not affected by the scale or offset parameters.
@param bWrap If non-zero the heightfield will infinitely tile in both directions along the local x and z axes. If zero the heightfield is bounded from zero to width in the local x axis, and zero to depth in the local z axis.
@ingroup collide