added LightBounce mode copied from PlainSpin

git-svn-id: svn://anubis/dwscr/trunk@90 5bef9df8-b654-44bb-925b-0ff18baa8f8c

ss/LightBounce.cc

@@ -0,0 +1,44 @@
+
+/* Author: Josh Holtrop
+ * DornerWorks screensaver
+ */
+
+#include <GL/gl.h>
+#include <GL/glu.h>
+#include "LightBounce.h"
+
+#include <iostream>
+using namespace std;
+
+/* construct screensaver mode and do some basic OpenGL setup */
+LightBounce::LightBounce(SSMain * _SSMain) : SSMode(_SSMain)
+{
+    glMatrixMode(GL_PROJECTION);
+    glLoadIdentity();
+    gluPerspective(60.0,
+                   (double)m_SSMain->getWidth()
+                     / (double)m_SSMain->getHeight()
+                     / (double)m_SSMain->getNumMonitors(),
+                   0.01,
+                   1000.01);
+    glMatrixMode(GL_MODELVIEW);
+}
+
+/* called every time this screensaver mode should redraw the screen */
+void LightBounce::update()
+{
+    SSMode::update();
+	glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    int numMonitors = m_SSMain->getNumMonitors();
+    int width = m_SSMain->getWidth();
+    int height = m_SSMain->getHeight();
+    for (int i = 0; i < numMonitors; i++)
+    {
+        glViewport(i*width/numMonitors, 0, width/numMonitors, height);
+        glLoadIdentity();
+        gluLookAt(0, 0, 12, 0, 0, 0, 0, 1, 0);
+        glRotatef(m_elapsed/33.0f, 0, 1, 0);
+        m_logoBox.draw();
+    }
+    SDL_GL_SwapBuffers();
+}

ss/LightBounce.h

@@ -0,0 +1,22 @@
+
+/* Author: Josh Holtrop
+ * DornerWorks screensaver
+ */
+
+#ifndef LIGHTBOUNCE_H
+#define LIGHTBOUNCE_H
+
+#include "SSMain.h"
+#include "SSMode.h"
+#include "LogoBox.h"
+
+class LightBounce : public SSMode
+{
+public:
+    LightBounce(SSMain * _SSMain);
+    void update();
+protected:
+    LogoBox m_logoBox;
+};
+
+#endif

ss/Makefile

@@ -3,6 +3,7 @@ OBJS := SSMain.o
 OBJS += SSMode.o
 OBJS += LogoBox.o
 OBJS += PlainSpin.o
+OBJS += LightBounce.o
 ifndef WITHOUT_ODE
 OBJS += TumblingLogos.o
 OBJS += Towers.o

ss/SSMain.cc

@@ -14,6 +14,7 @@
 #include <SDL/SDL.h>
 #include "SSMain.h"
 #include "PlainSpin.h"
+#include "LightBounce.h"
 #ifndef WITHOUT_ODE
 #include "TumblingLogos.h"
 #include "Towers.h"
@@ -124,9 +125,9 @@ SSMode * SSMain::startMode()
 {
     static int mode = 0;
 #ifndef WITHOUT_ODE
-    const int numModes = 3;
+    const int numModes = 4;
 #else
-    const int numModes = 1;
+    const int numModes = 2;
 #endif
 
     mode++;
@@ -137,8 +138,10 @@ SSMode * SSMain::startMode()
     {
         case 0:
             return new PlainSpin(this);
-#ifndef WITHOUT_ODE
         case 1:
+            return new LightBounce(this);
+#ifndef WITHOUT_ODE
+        case 2:
             return new Towers(this);
         default:
             return new TumblingLogos(this);