void CGLWidget::resizeGL(int width, int height)
{
cx = width;
cy = height;
glViewport( 0, 0, cx, cy);
//3d camera
OGL3DCamera* camera = &(APPMNGR.GetState()->GetCamera());
OVector4 persp = camera->GetPerspective();
persp[3] = (cx + 0.0f) / (cy + 0.0f);
camera->SetPerspective(persp);
//
camera->SwitchToOrthoProjection(OVector4(-cx / 2, cx / 2, -cy / 2, cy / 2));
}
OQuaternion OQuaternion::Transpose()
{
OQuaternion qr(OVector4((-1.0f) * V3(), w_));
return qr;
}
OQuaternion OQuaternion::Invert()
{
OQuaternion qr(OVector4((-1.0f) * V3(), w_));
qr = OVector4(qr) * (1.0f / OVector4(*this).Dot(OVector4(*this)));
return qr;
}
void DemoApplication::init()
{
/* set camera movement keys */
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_a, OCameraController::MoveLeft);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_s, OCameraController::MoveBack);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_d, OCameraController::MoveRight);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_w, OCameraController::MoveForward);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_q, OCameraController::MoveUp);
_camCtrl.setMoveEventKey(OKeyboardPressEvent::OKey_e, OCameraController::MoveDown);
/* subscribe to keyboard event */
addEventRecipient(OEvent::KeyboardPressEvent, this);
/* text */
_fontCourier = new OFont("cour.ttf");
_title = new OText2D(_fontCourier, 12, -1.0f, -0.95f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_title->setContent("Osiris Framework");
_fpsText = new OText2D(_fontCourier, 12, 0.55f, -0.95f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_perfText = new OText2D(_fontCourier, 12, 0.55f, -0.90f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_idleText = new OText2D(_fontCourier, 12, 0.55f, -0.85f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_renderText = new OText2D(_fontCourier, 12, 0.55f, -0.80f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
_cameraText = new OText2D(_fontCourier, 12, -1.0f, 0.90f, OVector4(0.0f, 1.0f, 0.0f, 1.0f));
/* setting up the cube */
OVertexColorMesh *cube = new OVertexColorMesh();
cube->addVertexData(-0.5f, -0.5f, -0.5f);
cube->addVertexData(-0.5f, -0.5f, 0.5f);
cube->addVertexData(-0.5f, 0.5f, -0.5f);
cube->addVertexData(-0.5f, 0.5f, 0.5f);
cube->addVertexData(0.5f, -0.5f, -0.5f);
cube->addVertexData(0.5f, -0.5f, 0.5f);
cube->addVertexData(0.5f, 0.5f, -0.5f);
cube->addVertexData(0.5f, 0.5f, 0.5f);
cube->addVertexColorData(1.0f, 0.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 1.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 0.0f, 1.0f, 1.0f);
cube->addVertexColorData(1.0f, 0.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 1.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 0.0f, 1.0f, 1.0f);
cube->addVertexColorData(1.0f, 0.0f, 0.0f, 1.0f);
cube->addVertexColorData(0.0f, 1.0f, 0.0f, 1.0f);
cube->addIndexData(0, 4, 1);
cube->addIndexData(1, 2, 0);
cube->addIndexData(1, 4, 5);
cube->addIndexData(1, 7, 3);
cube->addIndexData(2, 4, 0);
cube->addIndexData(2, 7, 6);
cube->addIndexData(3, 2, 1);
cube->addIndexData(3, 7, 2);
cube->addIndexData(4, 7, 5);
cube->addIndexData(5, 7, 1);
cube->addIndexData(6, 4, 2);
cube->addIndexData(6, 7, 4);
cube->setFaceCulling(true, OMesh::CullFace_Front, OMesh::CullFront_CW);
cube->init();
_cube = cube;
/* setting up Torus */
OVertexColorMesh* torus = new OVertexColorMesh();
OWavefrontObjectFile torusFile("Meshes/TestTorus.mesh.obj");
int objectCount=0;
const char **objectList = torusFile.objectList(&objectCount);
if (objectCount > 0) torusFile.loadMesh(objectList[0], torus);
for (int i = 0; i < torus->vertexCount(); i++) {
OVector3 v = torus->vertexData(i);
torus->addVertexColorData(fabs(v.x()), fabs(v.y()), fabs(v.z()), 1);
}
torus->init();
_torus = torus;
/* camera */
camera()->setCameraLimits(1.0f, 10.0f);
camera()->setPosition(OVector3(0.0f, 0.0f, 3.0f));
camera()->setOrientation(OVector3(0.0f, 0.0f, 0.0f));
_movRadiusA = 1.0f;
_movRadiusB = 1.0f;
_thetaA = 0;
_thetaB = PI;
_periodA = 6.0f;
_periodB = 6.0f;
_pauseFlag = false;
_last_timeIndex = OTimeIndex::current();
}
