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Merge pull request #6229 from birarda/sleep-dt-loop

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guard timeElapsed for simulateKinematicMotion to max 1s
This commit is contained in:
Andrew Meadows 2015-10-29 13:23:57 -07:00
commit fa96349155
1 changed files with 14 additions and 12 deletions
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26
libraries/entities/src/EntityItem.cpp
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@ -736,18 +736,11 @@ int EntityItem::readEntityDataFromBuffer(const unsigned char* data, int bytesLef
// is sending us data with a known "last simulated" time. That time is likely in the past, and therefore
// this "new" data is actually slightly out of date. We calculate the time we need to skip forward and
// use our simulation helper routine to get a best estimate of where the entity should be.
const float MIN_TIME_SKIP = 0.0f;
const float MAX_TIME_SKIP = 1.0f; // in seconds
float skipTimeForward = glm::clamp((float)(now - lastSimulatedFromBufferAdjusted) / (float)(USECS_PER_SECOND),
MIN_TIME_SKIP, MAX_TIME_SKIP);
if (skipTimeForward > 0.0f) {
#ifdef WANT_DEBUG
qCDebug(entities) << "skipTimeForward:" << skipTimeForward;
#endif
// we want to extrapolate the motion forward to compensate for packet travel time, but
// we don't want the side effect of flag setting.
simulateKinematicMotion(skipTimeForward, false);
}
float skipTimeForward = (float)(now - lastSimulatedFromBufferAdjusted) / (float)(USECS_PER_SECOND);
// we want to extrapolate the motion forward to compensate for packet travel time, but
// we don't want the side effect of flag setting.
simulateKinematicMotion(skipTimeForward, false);
}
if (overwriteLocalData) {
@ -887,6 +880,15 @@ void EntityItem::simulate(const quint64& now) {
}
void EntityItem::simulateKinematicMotion(float timeElapsed, bool setFlags) {
#ifdef WANT_DEBUG
qCDebug(entities) << "EntityItem::simulateKinematicMotion timeElapsed" << timeElapsed;
#endif
const float MIN_TIME_SKIP = 0.0f;
const float MAX_TIME_SKIP = 1.0f; // in seconds
timeElapsed = glm::clamp(timeElapsed, MIN_TIME_SKIP, MAX_TIME_SKIP);
if (hasActions()) {
return;
}