Changeset 5339 for anuga_work/development/anugavis/src/events.c

Timestamp:

May 16, 2008, 4:17:15 PM (16 years ago)

Author:

jack

Message:

Fixed frame controls

File:

• anuga_work/development/anugavis/src/events.c (modified) (4 diffs)

anuga_work/development/anugavis/src/events.c

@@ -19 +19 @@
 #include "height_quantity.h"
 
+#define MIN(a, b) ((a) < (b) ? (a) : (b))
+#define MAX(a, b) ((a) > (b) ? (a) : (b))
+
 int AnugaVis_Step(void){
+  static Uint32 ticks = 0;
+  static Uint32 lastframe;
   GLfloat lightpos[4];
   int i;
@@ -25 +30 @@
   int more = 1;
   struct height_quantity_simple *height;
+
+  /* Animation. */
+  /* FIXME needs to respect pause. */
+  if(ticks == 0) lastframe = ticks = SDL_GetTicks();
+  else ticks = SDL_GetTicks();
+  if(ticks - lastframe >= FRAME_INTERVAL){
+    lastframe = ticks;
+    if(anugavis.current_frame < (signed int)anugavis.number_of_timesteps - 1){
+      if(!anugavis.paused) anugavis.current_frame++;
+    }else
+      anugavis.paused = 1;
+  }
 
   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
@@ -35 +52 @@
   if(anugavis.keys[KEY_FORWARD]) camera_track(-CAMERA_TRACK_STEP);
   if(anugavis.keys[KEY_BACKWARD]) camera_track(CAMERA_TRACK_STEP);
+  if(anugavis.keys[KEY_STRAFE_LEFT]) camera_strafe(CAMERA_STRAFE_STEP);
+  if(anugavis.keys[KEY_STRAFE_RIGHT]) camera_strafe(-CAMERA_STRAFE_STEP);
   gluLookAt(anugavis.eye[0], anugavis.eye[1], anugavis.eye[2],
             anugavis.focus[0], anugavis.focus[1], anugavis.focus[2],
@@ -57 +76 @@
         }
       else switch(event.key.keysym.sym){
-        case SDLK_b:
+        case SDLK_z:
+          anugavis.current_frame = MAX(anugavis.current_frame - 10, 0);
+          break;
+        case SDLK_x:
           if(anugavis.current_frame > 0) anugavis.current_frame--;
           break;
-        case SDLK_f:
-          if(anugavis.current_frame < anugavis.number_of_timesteps - 1)
+        case SDLK_c:
+        case SDLK_SPACE: anugavis.paused = !anugavis.paused; break;
+        case SDLK_v:
+          if(anugavis.current_frame <
+             (signed int)anugavis.number_of_timesteps - 1)
             anugavis.current_frame++;
+          break;
+        case SDLK_b:
+          anugavis.current_frame = MIN(anugavis.current_frame + 10,
+                                       (signed int)anugavis.number_of_timesteps
+                                       - 1);
           break;
         case SDLK_ESCAPE: more = 0; break;