Changeset 286 in flair-src for trunk/lib/FlairSimulator/src/VisualizationCamera.cpp

Timestamp:

Jan 8, 2019, 10:13:03 AM (6 years ago)

Author:

Sanahuja Guillaume

Message:

draw vrpn axis in simulator

File:

• trunk/lib/FlairSimulator/src/VisualizationCamera.cpp (modified) (3 diffs)

trunk/lib/FlairSimulator/src/VisualizationCamera.cpp

@@ -31 +31 @@
 using namespace core;
 using namespace scene;
+using namespace video;
 
 namespace flair {
@@ -40 +41 @@
   LMouseKey = false;
 
-   // camera
+  // camera for visualization
   camera = getGui()->getSceneManager()->addCameraSceneNode();
   camera->setAspectRatio(getGui()->getAspectRatio()); // on force a cause du view port
@@ -48 +49 @@
 
   getGui()->pimpl_->AddVisualizationCamera(this);
+  
+  // camera to draw axis, in a new dedicated scene manager
+  axis_scenemanager=getGui()->getSceneManager()->createNewSceneManager();
+  axis_camera = axis_scenemanager->addCameraSceneNode();
+  axis_camera->setAspectRatio(1);  // same as texture ratio, TODO: get it from texture in renderAxisToTexture
+  axis_camera->setUpVector(vector3df(0, 0, 1));
+  axis_camera->setFOV(PI / 2.5f);
+  axis_scenemanager->setActiveCamera(axis_camera);
+  prendre en compte le yaw monde/optitrack (rotation de axis_scenemanager?)
+  IAnimatedMesh* arrowMeshRed = axis_scenemanager->addArrowMesh( "x_axisArrow",video::SColor(255, 255, 0, 0),video::SColor(255, 255, 0, 0));
+  nodeX = axis_scenemanager->addMeshSceneNode(arrowMeshRed);
+  nodeX->setMaterialFlag(video::EMF_LIGHTING, false);
+  nodeX->setRotation(vector3df(0,0,-90));
+  nodeX->setScale(vector3df(1,3,1));
+  
+  IAnimatedMesh* arrowMeshGreen = axis_scenemanager->addArrowMesh( "y_axisArrow",video::SColor(255, 0, 255, 0),video::SColor(255, 0, 255, 0));
+  nodeY = axis_scenemanager->addMeshSceneNode(arrowMeshGreen);
+  nodeY->setMaterialFlag(video::EMF_LIGHTING, false);
+  nodeY->setScale(vector3df(1,3,1));
+  
+  IAnimatedMesh* arrowMeshBlue = axis_scenemanager->addArrowMesh( "z_axisArrow",video::SColor(255, 0, 0, 255),video::SColor(255, 0, 0, 255));
+  nodeZ = axis_scenemanager->addMeshSceneNode(arrowMeshBlue);
+  nodeZ->setMaterialFlag(video::EMF_LIGHTING, false);
+  nodeZ->setRotation(vector3df(-90,0,0));//irrlicht is left handed, draw a right handed axis
+  nodeZ->setScale(vector3df(1,3,1));
 }
 
 VisualizationCamera::~VisualizationCamera() {}
+
+void VisualizationCamera::renderAxisToTexture(ITexture* texture) {
+  //put axis at a "normalized" distance
+  vector3df direction=camera->getTarget()-camera->getPosition();
+  direction.normalize();
+  nodeX->setPosition(camera->getPosition()+direction*6);
+  nodeY->setPosition(camera->getPosition()+direction*6);
+  nodeZ->setPosition(camera->getPosition()+direction*6);
+
+  axis_camera->setPosition(camera->getPosition());
+  axis_camera->setRotation(camera->getRotation());
+  axis_camera->setTarget(camera->getTarget());
+  
+  axis_scenemanager->getVideoDriver()->setRenderTarget(texture, true, true, SColor(0,0,0,0));
+  axis_scenemanager->drawAll();
+  axis_scenemanager->getVideoDriver()->setRenderTarget(0, true, true, 0);
+}
 
 std::string VisualizationCamera::getName(void) {