diff options
author | Zolnai Tamás <tamas.zolnai@collabora.com> | 2014-07-03 16:26:44 +0200 |
---|---|---|
committer | Miklos Vajna <vmiklos@collabora.co.uk> | 2014-07-10 10:00:51 +0000 |
commit | 1fd83db78cc08aca927682f71dde6294087dfc7c (patch) | |
tree | f3ddde74e2ab6a8a06783823233da494c1a8eff2 | |
parent | 068a7035bf679ba1b9650777cae327a18d3ee519 (diff) |
glTF: constraine camera move in orbit mode
Not to get too close to / too far from the model.
Too close means move into the model.
Change-Id: Ie25d87c88093d4baaf98f13ab8239263b5e1bf66
(cherry picked from commit 9a670eb493f3760eb398c3f9d2296d979b608f95)
glTF: improve camera movement constraint
Stop moving only on the wrong direction.
Change-Id: Ic9e7f2e7814d9adcbcf707e7fb786bf17fac3125
(cherry picked from commit 09fe9db46615265c6c7119f2524d19335d0e0283)
glTF: camera movement constraint: use distance from the boundary box
... instead of distance from model center position.
Change-Id: I379ab5e32cc5009d0eb751c4808fecf0109d1e5a
(cherry picked from commit 2946c7c62718cb74feab554b5939ec340e6c4280)
Reviewed-on: https://gerrit.libreoffice.org/10084
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
-rw-r--r-- | avmedia/source/opengl/oglwindow.cxx | 18 | ||||
-rw-r--r-- | avmedia/source/opengl/oglwindow.hxx | 2 |
2 files changed, 20 insertions, 0 deletions
diff --git a/avmedia/source/opengl/oglwindow.cxx b/avmedia/source/opengl/oglwindow.cxx index ffb0855806f4..c748ca15605e 100644 --- a/avmedia/source/opengl/oglwindow.cxx +++ b/avmedia/source/opengl/oglwindow.cxx @@ -22,6 +22,7 @@ OGLWindow::OGLWindow( glTFHandle& rHandle, OpenGLContext& rContext, Window& rEve , meZoomLevel( media::ZoomLevel_ORIGINAL ) , m_aLastMousePos(Point()) , m_bIsOrbitMode( false ) + , m_fCameraDistance(0.0) { } @@ -274,6 +275,17 @@ IMPL_LINK(OGLWindow, CameraHandler, VclWindowEvent*, pEvent) if(nCode == KEY_A)vMoveBy -= vStrafe*(0.0005f*fModelSize); if(nCode == KEY_D)vMoveBy += vStrafe*(0.0005f*fModelSize); } + else + { + // Limit zooming in orbit mode + m_fCameraDistance += vMoveBy.z; + if ((m_fCameraDistance < 0.5 * fModelSize && vMoveBy.z < 0.0 ) || + (m_fCameraDistance > 2 * fModelSize && vMoveBy.z > 0.0 )) + { + m_fCameraDistance -= vMoveBy.z; + vMoveBy = glm::vec3(0.0); + } + } } gltf_renderer_move_camera(&m_rHandle, vMoveBy.x, vMoveBy.y, vMoveBy.z, 0.0); } @@ -288,6 +300,12 @@ IMPL_LINK(OGLWindow, CameraHandler, VclWindowEvent*, pEvent) { gltf_orbit_mode_start(&m_rHandle); m_bIsOrbitMode = true; + // Set default camera distance + glm::vec3 vEye; + glm::vec3 vView; + glm::vec3 vUp; + gltf_get_camera_pos(&m_rHandle, &vEye,&vView,&vUp); + m_fCameraDistance = vEye.z - gltf_get_model_center_pos(&m_rHandle)->z - (gltf_get_model_size(&m_rHandle)/2.0); } } else if(nCode == KEY_F) diff --git a/avmedia/source/opengl/oglwindow.hxx b/avmedia/source/opengl/oglwindow.hxx index 5a52cca9e3e6..35c54c8cbd2f 100644 --- a/avmedia/source/opengl/oglwindow.hxx +++ b/avmedia/source/opengl/oglwindow.hxx @@ -68,10 +68,12 @@ private: glTFHandle& m_rHandle; OpenGLContext& m_rContext; Window& m_rEventHandler; + bool m_bVisible; com::sun::star::media::ZoomLevel meZoomLevel; Point m_aLastMousePos; bool m_bIsOrbitMode; + double m_fCameraDistance; }; } // namespace ogl |