[Tuxracer-checkins] CVS: tuxracer/src ui_snow.c,1.2,1.3

[Jasmin P. <jf...@us...>]

Update of /cvsroot/tuxracer/tuxracer/src
In directory slayer.i.sourceforge.net:/tmp/cvs-serv14391

Modified Files:
	ui_snow.c 
Log Message:
- Added proper initialization check
- Added maximum push velocity


Index: ui_snow.c
===================================================================
RCS file: /cvsroot/tuxracer/tuxracer/src/ui_snow.c,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -r1.2 -r1.3
*** ui_snow.c	2000/10/01 19:59:56	1.2
--- ui_snow.c	2000/10/02 04:23:25	1.3
***************
*** 37,41 ****
  #define PUSH_DIST_DECAY 100 
  #define PUSH_FACTOR 0.5
! #define MAX_PUSH_FORCE 100
  #define WIND_FORCE 0.03
  #define AIR_DRAG 0.4
--- 37,41 ----
  #define PUSH_DIST_DECAY 100 
  #define PUSH_FACTOR 0.5
! #define MAX_PUSH_FORCE 5
  #define WIND_FORCE 0.03
  #define AIR_DRAG 0.4
***************
*** 60,63 ****
--- 60,64 ----
  static point2d_t last_push_position;
  static scalar_t last_update_time = -1;
+ static bool_t push_position_initialized = False;
  
  static scalar_t frand() 
***************
*** 119,123 ****
      push_timestep = 0;
  	
!     if ( last_update_time > 0 ) {
  	push_vector.x = push_position.x - last_push_position.x;
  	push_vector.y = push_position.y - last_push_position.y;
--- 120,124 ----
      push_timestep = 0;
  	
!     if ( push_position_initialized ) {
  	push_vector.x = push_position.x - last_push_position.x;
  	push_vector.y = push_position.y - last_push_position.y;
***************
*** 274,277 ****
--- 275,279 ----
  				  pos.y/(scalar_t)yres );
      last_push_position = push_position;
+     push_position_initialized = True;
  }
  
***************
*** 285,288 ****
--- 287,294 ----
      push_position = make_point2d( pos.x/(scalar_t)xres,
  				  pos.y/(scalar_t)yres );
+     if ( !push_position_initialized ) {
+ 	last_push_position = push_position;
+     }
+     push_position_initialized = True;
  }