G'day! I've been playing around with QScreenRayCaster in different environments. That worked fine with Scene3D in QML. I can obtain the Qt3D scene root QEntity and programmatically insert a dummy entity that has a QScreenRayCaster attached and cast away with it. The rays mostly hit the mesh primitives I expected.
Now I'm trying to do the same in a Qt3D scene set up via the Qt3D Studio runtime. I chose q3dsviewer as a small test application and attached my event filter to the contained Q3DSWindow. It obtains the scene root from Q3DSEngine, inserts a screen ray caster into the scene graph and casts with it. I open a dummy project that has a few mesh primitives visible in the scene. But, oh noes! Regardless of where I cast my rays, I always just get two hits: Raycasting at QPoint(405,379) ... Hit: 474 QVector(Qt3DRender::QLayer(0x7ffdcc8499c0, name = "Fullscreen quad pass"), Qt3DExtras::QPlaneMesh(0x7ffdc25818f0), Qt3DCore::QTransform(0x7ffdc25abf60), Qt3DRender::QMaterial(0x7ffdc257f1d0)) Hit: 438 QVector(Qt3DRender::QLayer(0x7ffdcaa3f970, name = "Compositor quad pass"), Qt3DExtras::QPlaneMesh(0x7ffdc38e4f70), Qt3DCore::QTransform(0x7ffdcaab8350), Qt3DRender::QMaterial(0x7ffdc38ce510)) Which looks like two plane meshes. Despite the picking settings being set to AllPicks, my primitives never get picked. What am I doing wrong? :) My changes to q3dsviewer and the event filter class are attached, likewise the sample Qt3DS project with the primitives. Greetings, Marcel
raycaster_in_q3dsviewer.tgz
Description: GNU Zip compressed data
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