diff options
Diffstat (limited to 'src/GLView.cc')
| -rw-r--r-- | src/GLView.cc | 59 |
1 files changed, 36 insertions, 23 deletions
diff --git a/src/GLView.cc b/src/GLView.cc index bec3a31..b01af98 100644 --- a/src/GLView.cc +++ b/src/GLView.cc @@ -14,10 +14,6 @@ GLView::GLView() { - viewer_distance = 500; - object_trans << 0, 0, 0; - camera_eye << 0, 0, 0; - camera_center << 0, 0, 0; showedges = false; showfaces = true; orthomode = false; @@ -56,15 +52,15 @@ void GLView::setGimbalCamera(const Eigen::Vector3d &pos, const Eigen::Vector3d & PRINT("set gimbal camera not implemented"); } -void GLView::setupGimbalPerspective() +void GLView::setupGimbalCamPerspective() { glMatrixMode(GL_PROJECTION); glLoadIdentity(); glFrustum(-w_h_ratio, +w_h_ratio, -(1/w_h_ratio), +(1/w_h_ratio), +10.0, +FAR_FAR_AWAY); - gluLookAt(0.0, -viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0); + gluLookAt(0.0, -gcam.viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0); } -void GLView::setupGimbalOrtho(double distance, bool offset) +void GLView::setupGimbalCamOrtho(double distance, bool offset) { glMatrixMode(GL_PROJECTION); glLoadIdentity(); @@ -74,35 +70,50 @@ void GLView::setupGimbalOrtho(double distance, bool offset) glOrtho(-w_h_ratio*l, +w_h_ratio*l, -(1/w_h_ratio)*l, +(1/w_h_ratio)*l, -FAR_FAR_AWAY, +FAR_FAR_AWAY); - gluLookAt(0.0, -viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0); + gluLookAt(0.0, -gcam.viewer_distance, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0); } -void GLView::setCamera(const Eigen::Vector3d &pos, const Eigen::Vector3d ¢er) +void GLView::setVectorCamera(const Eigen::Vector3d &pos, const Eigen::Vector3d ¢er) { - this->camera_eye = pos; - this->camera_center = center; - viewer_distance = 10*3*(this->camera_center - this->camera_eye).norm(); + vcam.eye = pos; + vcam.center = center; + // FIXME kludge for showAxes to work in VectorCamera mode + gcam.viewer_distance = 10*3*(vcam.center - vcam.eye).norm(); } -void GLView::setupPerspective() +void GLView::setupVectorCamPerspective() { glMatrixMode(GL_PROJECTION); glLoadIdentity(); - double dist = (this->camera_center - this->camera_eye).norm(); + double dist = (vcam.center - vcam.eye).norm(); gluPerspective(45, w_h_ratio, 0.1*dist, 100*dist); } -void GLView::setupOrtho(bool offset) +void GLView::setupVectorCamOrtho(bool offset) { glMatrixMode(GL_PROJECTION); glLoadIdentity(); if (offset) glTranslated(-0.8, -0.8, 0); - double l = (this->camera_center - this->camera_eye).norm() / 10; + double l = (vcam.center - vcam.eye).norm() / 10; glOrtho(-w_h_ratio*l, +w_h_ratio*l, -(1/w_h_ratio)*l, +(1/w_h_ratio)*l, -FAR_FAR_AWAY, +FAR_FAR_AWAY); } +void GLView::setCamera( Camera &cam ) +{ + // FIXME : use boost::variant, like value.cc does + if (cam.camtype == Camera::NULL_CAMERA) { + return; + } else if (cam.camtype == Camera::GIMBAL_CAMERA) { + GimbalCamera *gc = dynamic_cast<GimbalCamera *>( &cam ); + setGimbalCamera( gc->object_trans, gc->object_rot, gc->viewer_distance ); + } else if (cam.camtype == Camera::VECTOR_CAMERA) { + VectorCamera *vc = dynamic_cast<VectorCamera *>( &cam ); + setVectorCamera( vc->eye, vc->center ); + } +} + #ifdef ENABLE_OPENCSG void GLView::enable_opencsg_shaders() { @@ -286,13 +297,13 @@ void GLView::showSmallaxes() // Small axis cross in the lower left corner glDepthFunc(GL_ALWAYS); - GLView::setupGimbalOrtho(1000,true); + GLView::setupGimbalCamOrtho(1000,true); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); - glRotated(object_rot.x(), 1.0, 0.0, 0.0); - glRotated(object_rot.y(), 0.0, 1.0, 0.0); - glRotated(object_rot.z(), 0.0, 0.0, 1.0); + glRotated(gcam.object_rot.x(), 1.0, 0.0, 0.0); + glRotated(gcam.object_rot.y(), 0.0, 1.0, 0.0); + glRotated(gcam.object_rot.z(), 0.0, 0.0, 1.0); glLineWidth(1); glBegin(GL_LINES); @@ -355,17 +366,19 @@ void GLView::showSmallaxes() //Restore perspective for next paint if(!orthomode) - GLView::setupGimbalPerspective(); + GLView::setupGimbalCamPerspective(); } void GLView::showAxes() { // Large gray axis cross inline with the model // FIXME: This is always gray - adjust color to keep contrast with background + // FIXME - depends on gimbal camera 'viewer distance'.. how to fix this + // for VectorCamera? glLineWidth(1); glColor3d(0.5, 0.5, 0.5); glBegin(GL_LINES); - double l = viewer_distance/10; + double l = gcam.viewer_distance/10; glVertex3d(-l, 0, 0); glVertex3d(+l, 0, 0); glVertex3d(0, -l, 0); @@ -386,7 +399,7 @@ void GLView::showCrosshairs() glBegin(GL_LINES); for (double xf = -1; xf <= +1; xf += 2) for (double yf = -1; yf <= +1; yf += 2) { - double vd = viewer_distance/20; + double vd = gcam.viewer_distance/20; glVertex3d(-xf*vd, -yf*vd, -vd); glVertex3d(+xf*vd, +yf*vd, +vd); } |