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Merge pull request #577 from ey6es/master

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Blink less when talking (not at all when brows are raised); force a blink (currently, 250ms) after talking stops.
This commit is contained in:
Philip Rosedale 2013-06-25 20:57:18 -07:00
commit f8497b3ee7
2 changed files with 19 additions and 5 deletions
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23
interface/src/Head.cpp
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@ -76,7 +76,8 @@ Head::Head(Avatar* owningAvatar) :
_leftEyeBlink(0.0f),
_rightEyeBlink(0.0f),
_leftEyeBlinkVelocity(0.0f),
_rightEyeBlinkVelocity(0.0f)
_rightEyeBlinkVelocity(0.0f),
_timeWithoutTalking(0.0f)
{
if (USING_PHYSICAL_MOHAWK) {
resetHairPhysics();
@ -147,12 +148,22 @@ void Head::simulate(float deltaTime, bool isMine) {
_saccadeTarget = SACCADE_MAGNITUDE * randVector();
}
_saccade += (_saccadeTarget - _saccade) * 0.50f;
// Update audio trailing average for rendering facial animations
const float AUDIO_AVERAGING_SECS = 0.05;
_averageLoudness = (1.f - deltaTime / AUDIO_AVERAGING_SECS) * _averageLoudness +
(deltaTime / AUDIO_AVERAGING_SECS) * _audioLoudness;
// Detect transition from talking to not; force blink after that and a delay
bool forceBlink = false;
const float TALKING_LOUDNESS = 100.0f;
const float BLINK_AFTER_TALKING = 0.25f;
if (_averageLoudness > TALKING_LOUDNESS) {
_timeWithoutTalking = 0.0f;
} else if (_timeWithoutTalking < BLINK_AFTER_TALKING && (_timeWithoutTalking += deltaTime) >= BLINK_AFTER_TALKING) {
forceBlink = true;
}
// Update audio attack data for facial animation (eyebrows and mouth)
_audioAttack = 0.9 * _audioAttack + 0.1 * fabs(_audioLoudness - _lastLoudness);
@ -172,8 +183,10 @@ void Head::simulate(float deltaTime, bool isMine) {
const float FULLY_OPEN = 0.0f;
const float FULLY_CLOSED = 1.0f;
if (_leftEyeBlinkVelocity == 0.0f && _rightEyeBlinkVelocity == 0.0f) {
const float BLINK_INTERVAL = 4.0f;
if (shouldDo(BLINK_INTERVAL, deltaTime)) {
// no blinking when brows are raised; blink less with increasing loudness
const float ROOT_LOUDNESS_TO_BLINK_INTERVAL = 0.75f;
if (forceBlink || (_browAudioLift < EPSILON && shouldDo(
sqrtf(_averageLoudness) * ROOT_LOUDNESS_TO_BLINK_INTERVAL, deltaTime))) {
_leftEyeBlinkVelocity = BLINK_SPEED;
_rightEyeBlinkVelocity = BLINK_SPEED;
}

1
interface/src/Head.h
View file

@ -110,6 +110,7 @@ private:
float _rightEyeBlink;
float _leftEyeBlinkVelocity;
float _rightEyeBlinkVelocity;
float _timeWithoutTalking;
static ProgramObject* _irisProgram;
static GLuint _irisTextureID;