bool Shadow::hard(const Vec3Df & pos, const Vec3Df& light) const {
Ray riShadow;
Vec3Df dir = light - pos;
float dist = dir.normalize();
bool inter = rt->intersect(dir, pos, riShadow);
if(inter && dynamic_cast<const Glass *>(&riShadow.getIntersectedObject()->getMaterial()))
return true;
return !inter || (inter && riShadow.getIntersectionDistance() > dist);
}
void GLViewer::mousePressEvent(QMouseEvent * event) {
const WindowModel *windowModel = controller->getWindowModel();
if (windowModel->isDragEnabled()) {
float fov, ar;
float screenWidth;
float screenHeight;
Vec3Df camPos;
Vec3Df viewDirection;
Vec3Df upVector;
Vec3Df rightVector;
getCameraInformation(fov, ar, screenWidth, screenHeight, camPos, viewDirection, upVector, rightVector);
float tanX = tan(fov)*ar;
float tanY = tan(fov);
Vec3Df stepX = (float (event->x()) - screenWidth/2.f)/screenWidth * tanX * rightVector;
Vec3Df stepY = (float (screenHeight-event->y()) - screenHeight/2.f)/screenHeight * tanY * upVector;
Vec3Df step = stepX + stepY;
Vec3Df dir = viewDirection + step;
float distanceCameraScreen = dir.getLength();
dir.normalize();
Ray ray;
if (controller->getRayTracer()->intersect(dir, camPos, ray)) {
Object *o=ray.getIntersectedObject();
QPoint p = event->globalPos();
Vec3Df oPos = o->getTrans();
float ratio = distanceCameraScreen/sqrt(ray.getIntersectionDistance());
controller->viewerStartsDragging(o, oPos, p, ratio);
}
}
if (!controller->getWindowModel()->isRealTime()) {
controller->viewerSetDisplayMode(WindowModel::OpenGLDisplayMode);
}
else {
controller->forceThreadUpdate();
}
QGLViewer::mousePressEvent(event);
}
