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Code Issues Releases Wiki Activity

Fixed issue with mouse picking accuracy.

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This commit is contained in:
cc9cii 2014-10-23 12:43:06 +11:00
parent fdee3fd919
commit cca6d0a024
2 changed files with 8 additions and 9 deletions
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1
apps/opencs/view/render/scenewidget.cpp
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@ -51,7 +51,6 @@ namespace CSVRender
mCamera->setPosition (300, 0, 0);
mCamera->lookAt (0, 0, 0);
mCamera->setNearClipDistance (0.1);
//mCamera->setProjectionType(Ogre::PT_ORTHOGRAPHIC); // FIXME: debugging only
CSMSettings::UserSettings &userSettings = CSMSettings::UserSettings::instance();

16
apps/opencs/view/world/physicssystem.cpp
View file

@ -110,12 +110,16 @@ namespace CSVWorld
/*std::pair<bool, Ogre::Vector3>*/ void PhysicsSystem::castRay(float mouseX, float mouseY,
Ogre::Vector3* normal, std::string* hit, Ogre::Camera *camera)
{
// using a really small value seems to mess up with the projections
float nearClipDistance = camera->getNearClipDistance();
camera->setNearClipDistance(10.0f); // arbitrary number
Ogre::Ray ray = camera->getCameraToViewportRay(mouseX, mouseY);
camera->setNearClipDistance(nearClipDistance);
Ogre::Vector3 from = ray.getOrigin();
CSMSettings::UserSettings &userSettings = CSMSettings::UserSettings::instance();
float farClipDist = userSettings.setting("Scene/far clip distance", QString("300000")).toFloat();
Ogre::Vector3 to = ray.getPoint(farClipDist);
//Ogre::Vector3 to = ray.getDirection();
btVector3 _from, _to;
_from = btVector3(from.x, from.y, from.z);
@ -143,10 +147,6 @@ namespace CSVWorld
if(mSceneMgr->hasSceneNode(result.first))
{
// FIXME: for debugging cursor position
// If using orthographic projection the cursor position is very accurate,
// but with the default perspective view the cursor position is not properly
// calculated when using getCameraToViewportRay.
// See http://www.ogre3d.org/forums/viewtopic.php?p=241933
mSceneMgr->destroyManualObject("manual" + result.first);
Ogre::ManualObject* manual = mSceneMgr->createManualObject("manual" + result.first);
manual->begin("BaseWhite", Ogre::RenderOperation::OT_LINE_LIST);
@ -155,17 +155,17 @@ namespace CSVWorld
ray.getPoint(farClipDist*result.second).z);
manual-> position(ray.getPoint(farClipDist*result.second).x,
ray.getPoint(farClipDist*result.second).y,
ray.getPoint(farClipDist*result.second).z+2000);
ray.getPoint(farClipDist*result.second).z+1000);
manual-> position(ray.getPoint(farClipDist*result.second).x,
ray.getPoint(farClipDist*result.second).y,
ray.getPoint(farClipDist*result.second).z);
manual-> position(ray.getPoint(farClipDist*result.second).x,
ray.getPoint(farClipDist*result.second).y+2000,
ray.getPoint(farClipDist*result.second).y+1000,
ray.getPoint(farClipDist*result.second).z);
manual-> position(ray.getPoint(farClipDist*result.second).x,
ray.getPoint(farClipDist*result.second).y,
ray.getPoint(farClipDist*result.second).z);
manual-> position(ray.getPoint(farClipDist*result.second).x+2000,
manual-> position(ray.getPoint(farClipDist*result.second).x+1000,
ray.getPoint(farClipDist*result.second).y,
ray.getPoint(farClipDist*result.second).z);
manual->end();