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fix bug: avatar can't walking when HMD at rest

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U-GAPOS\andrew 2015-11-03 13:59:15 -08:00
parent 4215ce5d25
commit d544b7a645
1 changed files with 18 additions and 19 deletions
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37
interface/src/avatar/MyAvatar.cpp
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@ -347,23 +347,6 @@ void MyAvatar::updateFromHMDSensorMatrix(const glm::mat4& hmdSensorMatrix) {
} }
void MyAvatar::updateHMDFollowVelocity() { void MyAvatar::updateHMDFollowVelocity() {
bool isMoving;
if (_lastIsMoving) {
const float MOVE_EXIT_SPEED_THRESHOLD = 0.07f; // m/sec
isMoving = glm::length(_velocity) >= MOVE_EXIT_SPEED_THRESHOLD;
} else {
const float MOVE_ENTER_SPEED_THRESHOLD = 0.2f; // m/sec
isMoving = glm::length(_velocity) > MOVE_ENTER_SPEED_THRESHOLD;
}
bool justStartedMoving = (_lastIsMoving != isMoving) && isMoving;
_lastIsMoving = isMoving;
bool hmdIsAtRest = _hmdAtRestDetector.update(_hmdSensorPosition, _hmdSensorOrientation);
if (hmdIsAtRest || justStartedMoving) {
_isFollowingHMD = true;
}
// 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);
@ -372,13 +355,29 @@ void MyAvatar::updateHMDFollowVelocity() {
// 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)
truncatedOffset.y = 0.0f; truncatedOffset.y = 0.0f;
} }
float truncatedOffsetDistance = glm::length(truncatedOffset);
bool isMoving;
if (_lastIsMoving) {
const float MOVE_EXIT_SPEED_THRESHOLD = 0.07f; // m/sec
isMoving = glm::length(_velocity) >= MOVE_EXIT_SPEED_THRESHOLD;
} else {
const float MOVE_ENTER_SPEED_THRESHOLD = 0.2f; // m/sec
isMoving = glm::length(_velocity) > MOVE_ENTER_SPEED_THRESHOLD;
}
bool justStartedMoving = (_lastIsMoving != isMoving) && isMoving;
_lastIsMoving = isMoving;
bool hmdIsAtRest = _hmdAtRestDetector.update(_hmdSensorPosition, _hmdSensorOrientation);
const float MIN_HMD_HIP_SHIFT = 0.05f;
if (justStartedMoving || (hmdIsAtRest && truncatedOffsetDistance > MIN_HMD_HIP_SHIFT)) {
_isFollowingHMD = true;
}
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(truncatedOffset);
const float MAX_HMD_HIP_SHIFT = 0.2f; const float MAX_HMD_HIP_SHIFT = 0.2f;
if (distance > MAX_HMD_HIP_SHIFT) { if (truncatedOffsetDistance > MAX_HMD_HIP_SHIFT) {
_isFollowingHMD = true; _isFollowingHMD = true;
needNewFollowSpeed = true; needNewFollowSpeed = true;
} }