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more correct HMD offset correction velocity

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U-GAPOS\andrew 2015-11-02 11:29:17 -08:00
parent a545d770d8
commit a77f888f15
1 changed files with 4 additions and 3 deletions
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7
interface/src/avatar/MyAvatar.cpp
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@ -365,15 +365,16 @@ void MyAvatar::updateHMDFollowVelocity() {
// compute offset to body's target position (in sensor-frame) // compute offset to body's target position (in sensor-frame)
auto sensorBodyMatrix = deriveBodyFromHMDSensor(); auto sensorBodyMatrix = deriveBodyFromHMDSensor();
_hmdFollowOffset = extractTranslation(sensorBodyMatrix) - extractTranslation(_bodySensorMatrix); _hmdFollowOffset = extractTranslation(sensorBodyMatrix) - extractTranslation(_bodySensorMatrix);
if (_hmdFollowOffset.y < 0.0f) { glm::vec3 truncatedOffset = _hmdFollowOffset;
if (truncatedOffset.y < 0.0f) {
// don't pull the body DOWN to match the target (allow animation system to squat) // don't pull the body DOWN to match the target (allow animation system to squat)
_hmdFollowOffset.y = 0.0f; truncatedOffset.y = 0.0f;
} }
bool needNewFollowSpeed = (_isFollowingHMD && _hmdFollowSpeed == 0.0f); bool needNewFollowSpeed = (_isFollowingHMD && _hmdFollowSpeed == 0.0f);
if (!needNewFollowSpeed) { if (!needNewFollowSpeed) {
// check to see if offset has exceeded its threshold // check to see if offset has exceeded its threshold
float distance = glm::length(_hmdFollowOffset); float distance = glm::length(truncatedOffset);
const float MAX_HMD_HIP_SHIFT = 0.2f; const float MAX_HMD_HIP_SHIFT = 0.2f;
if (distance > MAX_HMD_HIP_SHIFT) { if (distance > MAX_HMD_HIP_SHIFT) {
_isFollowingHMD = true; _isFollowingHMD = true;