FGFS-4.1/OpenSceneGraph
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Fixed calculation of inverted coordindates

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This commit is contained in:
Robert Osfield
2007-02-22 10:31:09 +00:00
parent b14fc636e7
commit b9eb2fcdee
1 changed files with 4 additions and 1 deletions
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5
src/osgViewer/View.cpp
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@@ -350,9 +350,12 @@ const osg::Camera* View::getCameraContainingPosition(float x, float y, float& lo
double new_x = static_cast<double>(_camera->getGraphicsContext()->getTraits()->width) * (x - eventState->getXmin())/(eventState->getXmax()-eventState->getXmin()); double new_x = static_cast<double>(_camera->getGraphicsContext()->getTraits()->width) * (x - eventState->getXmin())/(eventState->getXmax()-eventState->getXmin());
double new_y = view_invert_y ? double new_y = view_invert_y ?
static_cast<double>(_camera->getGraphicsContext()->getTraits()->height) * (1.0 - (y- eventState->getYmin()))/(eventState->getYmax()-eventState->getYmin()) : static_cast<double>(_camera->getGraphicsContext()->getTraits()->height) * (1.0 - (y- eventState->getYmin())/(eventState->getYmax()-eventState->getYmin())) :
static_cast<double>(_camera->getGraphicsContext()->getTraits()->height) * (y - eventState->getYmin())/(eventState->getYmax()-eventState->getXmin()); static_cast<double>(_camera->getGraphicsContext()->getTraits()->height) * (y - eventState->getYmin())/(eventState->getYmax()-eventState->getXmin());
// osg::notify(osg::NOTICE)<<" new_x="<<new_x<<","<<new_y<<std::endl;
if (viewport && if (viewport &&
new_x >= (viewport->x()-epsilon) && new_y >= (viewport->y()-epsilon) && new_x >= (viewport->x()-epsilon) && new_y >= (viewport->y()-epsilon) &&
new_x < (viewport->x()+viewport->width()-1.0+epsilon) && new_y <= (viewport->y()+viewport->height()-1.0+epsilon) ) new_x < (viewport->x()+viewport->width()-1.0+epsilon) && new_y <= (viewport->y()+viewport->height()-1.0+epsilon) )