1 files changed, 141 insertions, 0 deletions
diff --git a/kscreensaver/kdesavers/gravity.h b/kscreensaver/kdesavers/gravity.h
new file mode 100644
index 00000000..2cd7080f
--- /dev/null
+++ b/kscreensaver/kdesavers/gravity.h
@@ -0,0 +1,141 @@
+///-----------------------------------------------------------------------------
+//
+// kgravity - Partical gravity Screen Saver for KDE 2
+//
+// Copyright (c)  Ian Reinhart Geiser 2001
+//
+/////
+//NOTE:
+// The base particle engine did not come from me, it was designed by Jeff Molofee <nehe@connect.ab.ca>
+// I did some extensive modifications to make it work with QT's OpenGL but the base principal is about
+// the same.
+////
+
+#ifndef __GRAVITY_H__
+#define __GRAVITY_H__
+
+#include <qdialog.h>
+#include <qgl.h>
+#ifdef Q_WS_MACX
+#include <OpenGL/glu.h>
+#include <OpenGL/gl.h>
+#else
+#include <GL/glu.h>
+#include <GL/gl.h>
+#endif
+#include <kscreensaver.h>
+#include <qtimer.h>
+#include <qimage.h>
+#include "gravitycfg.h"
+#include <kinstance.h>
+#include <qfile.h>
+#include <qtextstream.h>
+
+#define	MAX_PARTICLES	100
+
+
+class Gravity : public QGLWidget
+{
+Q_OBJECT
+	class particles						// Create A Structure For Particle
+	{
+	public:
+		bool	active;					// Active (Yes/No)
+		float	life;					// Particle Life
+		float	fade;					// Fade Speed
+		float	r;					// Red Value
+		float	g;					// Green Value
+		float	b;					// Blue Value
+		float	x;					// X Position
+		float	y;					// Y Position
+		float	z;					// Z Position
+		float	xo;					// X Position
+		float	yo;					// Y Position
+		float	zo;					// Z Position
+		float	index;					// Index
+		float	indexo;
+		float	size;					// Particle Size
+	};
+
+public:
+	Gravity( QWidget * parent=0, const char * name=0 );
+	~Gravity();
+	void setSize( float newSize );
+	void setStars( bool doStars );
+protected:
+	/** paint the GL view */
+	void paintGL ();
+	/** resize the gl view */
+	void resizeGL ( int w, int h );
+	/** setup the GL enviroment */
+	void initializeGL ();
+	void buildParticle(int loop);
+
+private:
+	/** load the partical file */
+	bool loadParticle();
+
+	particles particle[MAX_PARTICLES];
+
+
+	bool	rainbow;					// Rainbow Mode?
+	bool	sp;						// Spacebar Pressed?
+	bool	rp;						// Enter Key Pressed?
+	float	slowdown;					// Slow Down Particles
+	float	xspeed;						// Base X Speed (To Allow Keyboard Direction Of Tail)
+	float	yspeed;						// Base Y Speed (To Allow Keyboard Direction Of Tail)
+	float	zoom;					// Used To Zoom Out
+	float	size;
+	float	stars;
+	GLuint	loop;						// Misc Loop Variable
+	GLuint	col;						// Current Color Selection
+	GLuint	delay;						// Rainbow Effect Delay
+	GLuint	texture[1];
+	QImage  tex;
+	float	index;
+	float	transIndex;
+	GLfloat scale;
+	GLUquadricObj *obj;
+};
+
+class KGravitySaver : public KScreenSaver
+{
+Q_OBJECT
+public:
+	KGravitySaver( WId drawable );
+	virtual ~KGravitySaver();
+	void readSettings();
+public slots:
+	void blank();
+	void updateSize(int newSize);
+	void doStars(bool starState);
+//	void loadTextures(bool textures);
+private:
+	Gravity *gravity;
+	QTimer  *timer;
+};
+
+class KGravitySetup : public SetupUi
+{
+	Q_OBJECT
+public:
+	KGravitySetup( QWidget *parent = NULL, const char *name = NULL );
+    ~KGravitySetup();
+
+protected:
+	void readSettings();
+
+private slots:
+	void slotOkPressed();
+	void aboutPressed();
+private:
+	KGravitySaver *saver;
+	float	size;
+	float	stars;
+	float	zoom;
+	float	speed;
+};
+
+#endif
+
+