CylinderGeometryShader.h

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/*
Copyright 2007-2025. Algoryx Simulation AB.
 
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tutorials, scene files and technical white papers, are copyrighted, proprietary
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valid commercial license from Algoryx Simulation AB.
 
Algoryx Simulation AB disclaims all responsibilities for loss or damage caused
from using this software, unless otherwise stated in written agreements with
Algoryx Simulation AB.
*/
 
#ifndef AGXOSG_CYLINDER_GEOMETRY_SHADER_H
#define AGXOSG_CYLINDER_GEOMETRY_SHADER_H
 
 
#include <agxOSG/export.h>
 
#include <agx/agx_vector_types.h>
 
#include <agx/PushDisableWarnings.h> // Disabling warnings. Include agx/PopDisableWarnings.h below!
#include <osg/Geometry>
#include <agx/PopDisableWarnings.h> // End of disabled warnings.
 
namespace agxCollide
{
  class Geometry;
}
 
namespace agxOSG
{
  class AGXOSG_EXPORT CylinderGeometryShader : public osg::Geometry
  {
  public:
    CylinderGeometryShader(size_t initialBufferSize = 256);
 
    void add(const agx::Vec3& startPoint, const agx::Vec3& endPoint, agx::Real radius, agx::Vec2 redShift = agx::Vec2(0, 0));
 
    void add(const agx::Vec3& point, const agx::Quat& zToDir, agx::Real radius, agx::Real redShift = agx::Real(0));
 
    void add(const agxCollide::Geometry* geometry);
 
    void update();
 
    void resetCounters();
 
    osg::Program* getProgram() { return m_program; }
    const osg::Program* getProgram() const { return m_program; }
 
    osg::Uniform* getNumCylinderSegmentsUniform() { return m_numCylinderSegments; }
    const osg::Uniform* getNumCylinderSegmentsUniform() const { return m_numCylinderSegments; }
 
    osg::Uniform* getCylinderColorUniform() { return m_cylinderColor; }
    const osg::Uniform* getCylinderColorUniform() const { return m_cylinderColor; }
 
    osg::Vec3Array* getVertexArray() { return m_vertexArray; }
    osg::Vec4Array* getQuatsInColorArray() { return m_quatsInColorArray; }
    osg::FloatArray* getRadiusArray() { return m_radiusArray; }
    void setNumActiveElements(size_t numActiveElements) { m_numActiveElements = numActiveElements; }
 
  protected:
    virtual ~CylinderGeometryShader();
 
  protected:
    size_t              m_numActiveElements;
 
    osg::DrawArrays*    m_primitiveSet;
    osg::Vec3Array*     m_vertexArray;
    osg::Vec4Array*     m_quatsInColorArray;
    osg::FloatArray*    m_radiusArray;
    osg::FloatArray*    m_redShiftArray;
    osg::Program*       m_program;
    osg::Uniform*       m_numCylinderSegments;
    osg::Uniform*       m_cylinderColor;
  };
 
  typedef osg::ref_ptr< CylinderGeometryShader > CylinderGeometryShaderRef;
 
}
 
#endif