prj/cam/src/physics/phconst.h

   1 /*
   2 @Copyright Looking Glass Studios, Inc.
   3 1996,1997,1998,1999,2000 Unpublished Work.
   4 */
   5
   6 ///////////////////////////////////////////////////////////////////////////////
   7 // $Header: r:/t2repos/thief2/src/physics/phconst.h,v 1.29 2000/02/23 23:57:54 adurant Exp $
   8 //
   9 // Collected physics constants
  10 //
  11 #pragma once
  12
  13
  14 #ifndef __PHCONST_H
  15 #define __PHCONST_H
  16
  17 ///////////////////////////////////////////////////////////////////////////////
  18
  19 //
  20 // Minimum relative velocity below which we stick to a terrain surface
  21 //
  22 const mxs_real kBreakTerrainContactVel = 5.0;
  23
  24 //
  25 // Minimum relative velocity below which we stick to an object
  26 //
  27 const mxs_real kBreakObjectContactVel = 5.0;
  28
  29 //
  30 // Minimum relative velocity above which we destroy all contacts
  31 //
  32 const mxs_real kBreakAllObjectContactVel = 1000.0;
  33
  34 //
  35 // Distance at which we judge terrain contact to be broken
  36 //
  37 const mxs_real kBreakTerrainContactDist = 0.1;
  38
  39 //
  40 // Distance at which we judge object contact to be broken
  41 //
  42 const mxs_real kBreakObjectContactDist = 0.2;
  43
  44 //
  45 // Distance to backup from a collision (squared)
  46 //
  47 const mxs_real kCollisionBackup2 = 0.01;
  48
  49 //
  50 // Max proportion of distance travelled to backup
  51 //
  52 const mxs_real kCollisionBackupMax = 0.5;
  53
  54 //
  55 // Max number of collisions we allow/frame/model
  56 //
  57 const int kMaxFrameCollisions = 32;
  58
  59 //
  60 // Pump some energy into object vs. object collisions...
  61 //
  62 const mxs_real kObjectCollisionEnergy = 0.0;
  63
  64 //
  65 // Gravity
  66 //
  67 EXTERN mxs_vector kGravityDir;
  68 EXTERN mxs_real   kGravityAmt;
  69
  70 //
  71 // Default terrain elasticity
  72 //
  73 const mxs_real kTerrainBounce = 0.1;
  74
  75 //
  76 // Min velocity magnitude a sliding object can have before it
  77 // stops (squared).
  78 //
  79 const mxs_real kMinVelocityMag = 2;
  80
  81 //
  82 // Amount of friction when sliding (0 is ice, 10 is lots-o-friction).
  83 //
  84 extern mxs_real kFrictionFactor;
  85
  86 //
  87 // Maximum length of physics frame
  88 //
  89 extern int kMaxFrameLen;
  90
  91 //
  92 // Period of being squished
  93 //
  94 const long kSquishPeriod = 500;
  95
  96 //
  97 // Maximum velocity at which player head will spring, unless falling.
  98 //
  99
 100 EXTERN mxs_real kSpringCapMag;
 101
 102 ///////////////////////////////////////////////////////////////////////////////
 103
 104 #endif /* !__PHCONST_H */
 105
 106