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BulletSim: adjust avatar capsule height calculation to be closer to defined SL heights. Correct BSParam avatar height defaults to be what's in OpenSimDefaults.ini.

varregion
Robert Adams 2013-08-19 11:08:22 -07:00
parent e1120cb74d
commit 6d83f3f021
2 changed files with 12 additions and 7 deletions
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15
OpenSim/Region/Physics/BulletSPlugin/BSCharacter.cs
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@ -676,18 +676,20 @@ public sealed class BSCharacter : BSPhysObject
float heightAdjust = BSParam.AvatarHeightMidFudge;
if (BSParam.AvatarHeightLowFudge != 0f || BSParam.AvatarHeightHighFudge != 0f)
{
// An avatar is between 1.61 and 2.12 meters. Midpoint is 1.87m.
// The "times 4" relies on the fact that the difference from the midpoint to the extremes is exactly 0.25
float midHeightOffset = size.Z - 1.87f;
const float AVATAR_LOW = 1.1f;
const float AVATAR_MID = 1.775f; // 1.87f
const float AVATAR_HI = 2.45f;
// An avatar is between 1.1 and 2.45 meters. Midpoint is 1.775m.
float midHeightOffset = size.Z - AVATAR_MID;
if (midHeightOffset < 0f)
{
// Small avatar. Add the adjustment based on the distance from midheight
heightAdjust += -1f * midHeightOffset * 4f * BSParam.AvatarHeightLowFudge;
heightAdjust += ((-1f * midHeightOffset) / (AVATAR_MID - AVATAR_LOW)) * BSParam.AvatarHeightLowFudge;
}
else
{
// Large avatar. Add the adjustment based on the distance from midheight
heightAdjust += midHeightOffset * 4f * BSParam.AvatarHeightHighFudge;
heightAdjust += ((midHeightOffset) / (AVATAR_HI - AVATAR_MID)) * BSParam.AvatarHeightHighFudge;
}
}
// The total scale height is the central cylindar plus the caps on the two ends.
@ -698,6 +700,9 @@ public sealed class BSCharacter : BSPhysObject
if (newScale.Z < 0)
newScale.Z = 0.1f;
DetailLog("{0},BSCharacter.ComputerAvatarScale,size={1},lowF={2},midF={3},hiF={4},adj={5},newScale={6}",
LocalID, size, BSParam.AvatarHeightLowFudge, BSParam.AvatarHeightMidFudge, BSParam.AvatarHeightHighFudge, heightAdjust, newScale);
return newScale;
}

4
OpenSim/Region/Physics/BulletSPlugin/BSParam.cs
View File

@ -570,9 +570,9 @@ public static class BSParam
new ParameterDefn<float>("AvatarHeightLowFudge", "A fudge factor to make small avatars stand on the ground",
-0.2f ),
new ParameterDefn<float>("AvatarHeightMidFudge", "A fudge distance to adjust average sized avatars to be standing on ground",
0.2f ),
0.1f ),
new ParameterDefn<float>("AvatarHeightHighFudge", "A fudge factor to make tall avatars stand on the ground",
0.2f ),
0.1f ),
new ParameterDefn<float>("AvatarContactProcessingThreshold", "Distance from capsule to check for collisions",
0.1f ),
new ParameterDefn<float>("AvatarBelowGroundUpCorrectionMeters", "Meters to move avatar up if it seems to be below ground",