Trying to get fog to work ...

[flightgear.git] / Main / GLUTkey.c

diff --git a/Main/GLUTkey.c b/Main/GLUTkey.c
index b02fe88d0cb0204226953877bb7d448673f151ea..1118c9a909f0bc5d442471d7bebd034950bd975c 100644 (file)
--- a/Main/GLUTkey.c
+++ b/Main/GLUTkey.c
@@ -15,6 +15,7 @@
 #include "GLUTkey.h"
 #include "../aircraft/aircraft.h"
 
+extern double fogDensity;
 
 /* Handle keyboard events */
 void GLUTkey(unsigned char k, int x, int y) {
@@ -48,6 +49,17 @@ void GLUTkey(unsigned char k, int x, int y) {
        return;
     case 4:
        c->throttle[0] += 0.05;
+       return;
+    case 122:
+       fogDensity *= 1.10;
+       glFogf(GL_FOG_DENSITY, fogDensity);
+       printf("Fog density = %.4f\n", fogDensity);
+       return;
+    case 90:
+       fogDensity /= 1.10;
+       glFogf(GL_FOG_DENSITY, fogDensity);
+       printf("Fog density = %.4f\n", fogDensity);
+       return;
     case 27: /* ESC */
        exit(0);
     }
@@ -56,9 +68,12 @@ void GLUTkey(unsigned char k, int x, int y) {
 
 
 /* $Log$
-/* Revision 1.1  1997/05/21 15:57:50  curt
-/* Renamed due to added GLUT support.
+/* Revision 1.2  1997/05/23 00:35:12  curt
+/* Trying to get fog to work ...
 /*
+ * Revision 1.1  1997/05/21 15:57:50  curt
+ * Renamed due to added GLUT support.
+ *
  * Revision 1.2  1997/05/19 18:22:41  curt
  * Parameter tweaking ... starting to stub in fog support.
  *