1 files changed, 84 insertions, 0 deletions
diff --git a/src-qt5/core/lumina-desktop-unified/src-screensaver/animations/Grav.h b/src-qt5/core/lumina-desktop-unified/src-screensaver/animations/Grav.h
new file mode 100644
index 00000000..9e5a580c
--- /dev/null
+++ b/src-qt5/core/lumina-desktop-unified/src-screensaver/animations/Grav.h
@@ -0,0 +1,84 @@
+//===========================================
+//  Lumina-DE source code
+//  Copyright (c) 2015, Ken Moore
+//  Available under the 3-clause BSD license
+//  See the LICENSE file for full details
+//===========================================
+#ifndef _LUMINA_DESKTOP_SCREEN_SAVER_GRAV_ANIMATION_H
+#define _LUMINA_DESKTOP_SCREEN_SAVER_GRAV_ANIMATION_H
+
+#define PI 3.1416
+
+#include "global-includes.h"
+#include "BaseAnimGroup.h"
+#include <QSequentialAnimationGroup>
+#include <cmath>
+
+class Grav: public QSequentialAnimationGroup{
+	Q_OBJECT
+private:
+	QWidget *planet;
+	QPropertyAnimation *movement;
+	QSize range;
+private slots:
+	void LoopChanged(){
+	    static double time = 0;
+	    //Adjust the movement animation a bit
+	    movement->setStartValue(movement->endValue()); //start at the previous end point
+	    QPoint pt = movement->startValue().toPoint();
+	    QPoint diff((cos(pt.x()) - cos(pt.x()+time)), (sin(pt.y()) - sin(pt.y() +time)) );
+	    pt.setX( pt.x() + diff.x() );
+	    pt.setY( pt.y() + diff.y() );
+	    movement->setEndValue(pt);
+	    movement->setDuration(2);
+	    time+=0.01;
+	  planet->show();
+	}
+	void stopped(){planet->hide(); }
+
+public:
+	Grav(QWidget *parent) : QSequentialAnimationGroup(parent){
+	  planet = new QWidget(parent);
+	  range = parent->size();
+	  planet->setStyleSheet("background-color: qradialgradient(spread:pad, cx:0.5, cy:0.5, radius:0.5, fx:0.5, fy:0.5, stop:0 rgba(215, 215, 143, 255), stop:0.83871 rgba(221, 235, 64, 140), stop:1 rgba(0, 0, 0, 255));");
+	  //setup the movement animation
+	  movement = new QPropertyAnimation(planet);
+	  movement->setTargetObject(planet);
+	  movement->setPropertyName("pos");
+	  movement->setEndValue( QPoint( qrand() % range.width(), qrand()%range.height()) ); //on anim start, this will become the starting point
+	  this->addAnimation(movement);
+	  LoopChanged();  //load initial values
+	  planet->setGeometry( QRect(movement->startValue().toPoint(), QSize(15, 15)));
+	  connect(this, SIGNAL(currentLoopChanged(int)), this, SLOT(LoopChanged()) );
+	  connect(this, SIGNAL(finished()), this, SLOT(stopped()) );
+	}
+	~Grav(){}
+
+};
+
+class GravAnimation : public BaseAnimGroup{
+	Q_OBJECT
+private:
+	QList<Grav*> planets;
+
+public:
+	GravAnimation(QWidget *parent, QSettings *set) : BaseAnimGroup(parent, set){}
+	~GravAnimation(){
+	  this->stop();
+	}
+
+	void LoadAnimations(){
+	  while(planets.length()>0){ planets.takeAt(0)->deleteLater(); }
+	  canvas->setStyleSheet("background: black;");
+	  int number = settings->value("planets/number",10).toInt();
+	  for(int i=0; i<number; i++){
+            if(planets.length()>number){ continue; }
+	    Grav *tmp = new Grav(canvas);
+	    this->addAnimation(tmp);
+	    planets << tmp;
+	  }
+	  while(planets.length()>number){planets.takeAt(number)->deleteLater(); }
+	}
+
+};
+#endif