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/*
-----------------------------------------------------------------------------
Filename: OgreApp1.cpp
-----------------------------------------------------------------------------
This source file is generated by the
___ _ __ __ _ _
/___\__ _ _ __ ___ /_\ _ __ _ __/ / /\ \ (_)______ _ _ __ __| |
// // _` | '__/ _ \ //_\\| '_ \| '_ \ \/ \/ / |_ / _` | '__/ _` |
/ \_// (_| | | | __/ / _ \ |_) | |_) \ /\ /| |/ / (_| | | | (_| |
\___/ \__, |_| \___| \_/ \_/ .__/| .__/ \/ \/ |_/___\__,_|_| \__,_|
|___/ |_| |_|
Ogre 1.7.x Application Wizard for VC10 (July 5011)
http://code.google.com/p/ogreappwizards/
-----------------------------------------------------------------------------
*/
#include "OgreApp1.h"
#include <OgreCamera.h>
#include <OgreEntity.h>
#include <OgreLogManager.h>
#include <OgreRoot.h>
#include <OgreViewport.h>
#include <OgreSceneManager.h>
#include <OgreRenderWindow.h>
#include <OgreConfigFile.h>
#include <OISEvents.h>
#include <OISInputManager.h>
#include <OISKeyboard.h>
#include <OISMouse.h>
#include <SdkTrays.h>
#include <SdkCameraMan.h>
class ObjectTextDisplay {
public:
ObjectTextDisplay(const Ogre::MovableObject* p, const Ogre::Camera* c) {
m_p = p;
m_c = c;
m_enabled = false;
m_text = "";
// create an overlay that we can use for later
m_pOverlay = Ogre::OverlayManager::getSingleton().create("shapeName");
m_pContainer = static_cast<Ogre::OverlayContainer*>(Ogre::OverlayManager::getSingleton().createOverlayElement(
"Panel", "container1"));
m_pOverlay->add2D(m_pContainer);
Ogre::FontPtr mFont = Ogre::FontManager::getSingleton().create("BlueHighway-8", "General");
// Ogre::FontManager::getSingleton().getByName("BlueHighway-8")->load();
mFont->setType(Ogre::FT_TRUETYPE);
mFont->setSource("bluehigh.ttf");
mFont->setTrueTypeSize(26);
mFont->setTrueTypeResolution(50);
mFont->load();
m_pText = Ogre::OverlayManager::getSingleton().createOverlayElement("TextArea", "shapeNameText");
m_pText->setDimensions(10000000000000000000000000.0, 1000000000000000000000000000.0);
m_pText->setMetricsMode(Ogre::GMM_PIXELS);
m_pText->setPosition(0, 0);
m_pText->setParameter("Font Name","ctrl_freak");
m_pText->setParameter("char_height", "26");
m_pText->setParameter("horz_align", "center");
m_pText->setColour(Ogre::ColourValue(1.0, 1.0, 1.0));
m_pContainer->addChild(m_pText);
m_pOverlay->show();
}
virtual ~ObjectTextDisplay() {
// overlay cleanup -- Ogre would clean this up at app exit but if your app
// tends to create and delete these objects often it's a good idea to do it here.
m_pOverlay->hide();
Ogre::OverlayManager *overlayManager = Ogre::OverlayManager::getSingletonPtr();
m_pContainer->removeChild("shapeNameText");
m_pOverlay->remove2D(m_pContainer);
overlayManager->destroyOverlayElement(m_pText);
overlayManager->destroyOverlayElement(m_pContainer);
overlayManager->destroy(m_pOverlay);
}
void enable(bool enable) {
m_enabled = enable;
if (enable)
m_pOverlay->show();
else
m_pOverlay->hide();
}
void setText(const Ogre::String& text) {
m_text = text;
m_pText->setCaption(m_text);
}
void update();
protected:
const Ogre::MovableObject* m_p;
const Ogre::Camera* m_c;
bool m_enabled;
Ogre::Overlay* m_pOverlay;
Ogre::OverlayElement* m_pText;
Ogre::OverlayContainer* m_pContainer;
Ogre::String m_text;
Ogre::Font* font;
};
void ObjectTextDisplay::update() {
if (!m_enabled)
return;
// get the projection of the object's AABB into screen space
const Ogre::AxisAlignedBox& bbox = m_p->getWorldBoundingBox(true);
Ogre::Matrix4 mat = m_c->getViewMatrix();
const Ogre::Vector3* corners = bbox.getAllCorners();
float min_x = 1.0f, max_x = 0.0f, min_y = 1.0f, max_y = 0.0f;
// expand the screen-space bounding-box so that it completely encloses
// the object's AABB
for (int i=0; i<8; i++) {
Ogre::Vector3 corner = corners[i];
// multiply the AABB corner vertex by the view matrix to
// get a camera-space vertex
corner = mat * corner;
// make 2D relative/normalized coords from the view-space vertex
// by dividing out the Z (depth) factor -- this is an approximation
float x = corner.x / corner.z + 0.5;
float y = corner.y / corner.z + 0.5;
if (x < min_x)
min_x = x;
if (x > max_x)
max_x = x;
if (y < min_y)
min_y = y;
if (y > max_y)
max_y = y;
}
// we now have relative screen-space coords for the object's bounding box; here
// we need to center the text above the BB on the top edge. The line that defines
// this top edge is (min_x, min_y) to (max_x, min_y)
//m_pContainer->setPosition(min_x, min_y);
m_pContainer->setPosition(1-max_x, min_y); // Edited by alberts: This code works for me
m_pContainer->setDimensions(max_x - min_x, 0.1); // 0.1, just "because"
}
//-------------------------------------------------------------------------------------
OgreApp1::OgreApp1(void)
{
}
//-------------------------------------------------------------------------------------
OgreApp1::~OgreApp1(void)
{
}
//-------------------------------------------------------------------------------------
void OgreApp1::createScene(void)
{
mSceneMgr->setAmbientLight(Ogre::ColourValue(1, 1, 1));
// Create a light
Ogre::Light* l = mSceneMgr->createLight("MainLight");
l->setPosition(50,80,50);
ogreHead = mSceneMgr->createEntity("Head", "ogrehead.mesh");
headNode = mSceneMgr->getRootSceneNode()->createChildSceneNode();
headNode->attachObject(ogreHead);
headNode->setPosition(0,0,0);
text = new ObjectTextDisplay(ogreHead, mCamera);
text->setText("Ogre Head");
text->enable(true);
/*while (!mWindow->isClosed()) {
// NOTE: this is Eihort (CVS HEAD, 1.3) specific -- if you are using Dagon or
// older, you need to do Ogre::PlatformManager::getSingleton().messagePump() instead
Ogre::WindowEventUtilities::messagePump();
// update the object text position and size
text->update();
mRoot->renderOneFrame();
}*/
// delete text;
// Set ambient light
}
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
#define WIN32_LEAN_AND_MEAN
#include "windows.h"
#endif
#ifdef __cplusplus
extern "C" {
#endif
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
INT WINAPI WinMain( HINSTANCE hInst, HINSTANCE, LPSTR strCmdLine, INT )
#else
int main(int argc, char *argv[])
#endif
{
// Create application object
OgreApp1 app;
try {
app.go();
} catch( Ogre::Exception& e ) {
#if OGRE_PLATFORM == OGRE_PLATFORM_WIN32
MessageBox( NULL, e.getFullDescription().c_str(), "An exception has occured!", MB_OK | MB_ICONERROR | MB_TASKMODAL);
#else
std::cerr << "An exception has occured: " <<
e.getFullDescription().c_str() << std::endl;
#endif
}
return 0;
}
#ifdef __cplusplus
}
#endif |
afficher text 2d avec ogre code ne fonctionne pas
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