line.cpp
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29 
30 #include "line.h"
31 
32 #include <sstream>
33 
34 #include <OgreSceneNode.h>
35 #include <OgreSceneManager.h>
36 #include <OgreManualObject.h>
37 #include <OgreMaterialManager.h>
38 #include <OgreTechnique.h>
39 
40 namespace rviz
41 {
42 
43 Line::Line( Ogre::SceneManager* manager, Ogre::SceneNode* parent_node )
44  : Object( manager )
45 {
46  if (!parent_node)
47  {
48  parent_node = manager->getRootSceneNode();
49  }
50  manual_object_ = manager->createManualObject();
51  scene_node_ = parent_node->createChildSceneNode();
52 
53  static int count = 0;
54  std::stringstream ss;
55  ss << "LineMaterial" << count++;
56 
57  // NOTE: The second parameter to the create method is the resource group the material will be added to.
58  // If the group you name does not exist (in your resources.cfg file) the library will assert() and your program will crash
59  manual_object_material_ = Ogre::MaterialManager::getSingleton().create(ss.str(),"rviz");
60  manual_object_material_->setReceiveShadows(false);
61  manual_object_material_->getTechnique(0)->setLightingEnabled(true);
62  manual_object_material_->getTechnique(0)->getPass(0)->setDiffuse(0,0,0,0);
63  manual_object_material_->getTechnique(0)->getPass(0)->setAmbient(1,1,1);
64 
65  scene_node_->attachObject(manual_object_);
66 }
67 
69 {
70  if ( scene_node_->getParentSceneNode() )
71  {
72  scene_node_->getParentSceneNode()->removeChild(scene_node_);
73  }
74  scene_manager_->destroySceneNode(scene_node_);
75  scene_manager_->destroyManualObject( manual_object_ );
76  Ogre::MaterialManager::getSingleton().remove(manual_object_material_->getName());
77 }
78 
79 void Line::setPoints( Ogre::Vector3 start, Ogre::Vector3 end )
80 {
81  manual_object_->clear();
82  manual_object_->begin(manual_object_material_->getName(), Ogre::RenderOperation::OT_LINE_LIST);
83  manual_object_->position(start);
84  manual_object_->position(end);
85  manual_object_->end();
86  setVisible(true);
87 }
88 
89 void Line::setVisible( bool visible )
90 {
91  scene_node_->setVisible(visible,true);
92 }
93 
94 
95 void Line::setPosition( const Ogre::Vector3& position )
96 {
97  scene_node_->setPosition( position );
98 }
99 
100 void Line::setOrientation( const Ogre::Quaternion& orientation )
101 {
102  scene_node_->setOrientation( orientation );
103 }
104 
105 void Line::setScale( const Ogre::Vector3& scale )
106 {
107  scene_node_->setScale( scale );
108 }
109 
110 void Line::setColor( const Ogre::ColourValue& c )
111 {
112  // this is consistent with the behaviour in the Shape class.
113 
114  manual_object_material_->getTechnique(0)->setAmbient( c * 0.5 );
115  manual_object_material_->getTechnique(0)->setDiffuse( c );
116 
117  if ( c.a < 0.9998 )
118  {
119  manual_object_material_->getTechnique(0)->setSceneBlending( Ogre::SBT_TRANSPARENT_ALPHA );
120  manual_object_material_->getTechnique(0)->setDepthWriteEnabled( false );
121  }
122  else
123  {
124  manual_object_material_->getTechnique(0)->setSceneBlending( Ogre::SBT_REPLACE );
125  manual_object_material_->getTechnique(0)->setDepthWriteEnabled( true );
126  }
127 }
128 
129 void Line::setColor( float r, float g, float b, float a )
130 {
131  setColor(Ogre::ColourValue(r, g, b, a));
132 }
133 
134 // where are the void Line::setColour(...) convenience methods??? ;)
135 
136 const Ogre::Vector3& Line::getPosition()
137 {
138  return scene_node_->getPosition();
139 }
140 
141 const Ogre::Quaternion& Line::getOrientation()
142 {
143  return scene_node_->getOrientation();
144 }
145 
146 void Line::setUserData( const Ogre::Any& data )
147 {
148  manual_object_->getUserObjectBindings().setUserAny( data );
149 }
150 
151 
152 }
virtual void setOrientation(const Ogre::Quaternion &orientation)
Set the orientation of the object.
Definition: line.cpp:100
virtual const Ogre::Vector3 & getPosition()
Get the local position of this object.
Definition: line.cpp:136
virtual void setColor(float r, float g, float b, float a)
Set the color of the object. Values are in the range [0, 1].
Definition: line.cpp:129
virtual void setScale(const Ogre::Vector3 &scale)
Set the scale of the object. Always relative to the identity orientation of the object.
Definition: line.cpp:105
Ogre::SceneNode * scene_node_
Definition: line.h:126
Base class for visible objects, providing a minimal generic interface.
Definition: object.h:49
Line(Ogre::SceneManager *manager, Ogre::SceneNode *parent_node=NULL)
Constructor.
Definition: line.cpp:43
virtual void setUserData(const Ogre::Any &data)
Set the user data on this object.
Definition: line.cpp:146
Ogre::MaterialPtr manual_object_material_
Definition: line.h:128
void setPoints(Ogre::Vector3 start, Ogre::Vector3 end)
Set the start and end point of the line.
Definition: line.cpp:79
Ogre::ManualObject * manual_object_
Definition: line.h:127
virtual void setPosition(const Ogre::Vector3 &position)
Set the position of this object.
Definition: line.cpp:95
virtual ~Line()
Definition: line.cpp:68
virtual const Ogre::Quaternion & getOrientation()
Get the local orientation of this object.
Definition: line.cpp:141
Ogre::SceneManager * scene_manager_
Ogre scene manager this object is part of.
Definition: object.h:103
void setVisible(bool visible)
Definition: line.cpp:89


rviz
Author(s): Dave Hershberger, David Gossow, Josh Faust
autogenerated on Sat Apr 27 2019 02:33:41