diff options
Diffstat (limited to 'examples/widgets/graphicsview/boxes/glbuffers.cpp')
| -rw-r--r-- | examples/widgets/graphicsview/boxes/glbuffers.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/examples/widgets/graphicsview/boxes/glbuffers.cpp b/examples/widgets/graphicsview/boxes/glbuffers.cpp index 1481292e76..851cd17796 100644 --- a/examples/widgets/graphicsview/boxes/glbuffers.cpp +++ b/examples/widgets/graphicsview/boxes/glbuffers.cpp @@ -50,11 +50,11 @@ #include "glbuffers.h" #include <QtGui/qmatrix4x4.h> - +#include <QtCore/qmath.h> void qgluPerspective(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar) { - const GLdouble ymax = zNear * tan(fovy * M_PI / 360.0); + const GLdouble ymax = zNear * tan(qDegreesToRadians(fovy) / 2.0); const GLdouble ymin = -ymax; const GLdouble xmin = ymin * aspect; const GLdouble xmax = ymax * aspect; |