diff options
Diffstat (limited to 'examples/widgets/effects/lighting')
| -rw-r--r-- | examples/widgets/effects/lighting/lighting.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/examples/widgets/effects/lighting/lighting.cpp b/examples/widgets/effects/lighting/lighting.cpp index 68350f32b7..1ba7dd9ce7 100644 --- a/examples/widgets/effects/lighting/lighting.cpp +++ b/examples/widgets/effects/lighting/lighting.cpp @@ -49,14 +49,9 @@ ****************************************************************************/ #include "lighting.h" - #include <QtWidgets> #include <QtCore/qmath.h> -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - Lighting::Lighting(QWidget *parent): QGraphicsView(parent), angle(0.0) { setScene(&m_scene); @@ -120,7 +115,7 @@ void Lighting::setupScene() void Lighting::animate() { - angle += (M_PI / 30); + angle += qDegreesToRadians(qreal(6)); qreal xs = 200 * qSin(angle) - 40 + 25; qreal ys = 200 * qCos(angle) - 40 + 25; m_lightSource->setPos(xs, ys); |