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David Rose 2001-01-27 01:51:19 +00:00
parent ff7883c731
commit 0cd2e4bd91
1 changed files with 10 additions and 6 deletions
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panda/src/tform/trackball.h
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@ -20,12 +20,16 @@
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
// Class : Trackball // Class : Trackball
// Description : Trackball acts like Performer in trackball mode. If // Description : Trackball acts like Performer in trackball mode. It
// you connect it to a DCS, either over your entire // can either spin around a piece of geometry directly,
// scene graph or over some portion of it, Trackball // or it can spin around a camera with the inverse
// will spin the geometry under the DCS for viewing at // transform to make it appear that the whole world is
// all angles. The center of rotation is initially the // spinning.
// origin. //
// The Trackball object actually just places a transform
// in the data graph; parent a Transform2SG node under
// it to actually transform objects (or cameras) in the
// world.
//////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////
class EXPCL_PANDA Trackball : public DataNode { class EXPCL_PANDA Trackball : public DataNode {
PUBLISHED: PUBLISHED: