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Merge pull request #25038 from GlaDos28/master

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fixed AudioStreamPlayer3D::_get_attenuation_db epsilon value
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Rémi Verschelde 2019-01-17 10:39:08 +01:00 committed by GitHub
commit a63bb3c804
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 4 additions and 3 deletions
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7
scene/3d/audio_stream_player_3d.cpp
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@ -33,6 +33,7 @@
#include "scene/3d/area.h" #include "scene/3d/area.h"
#include "scene/3d/camera.h" #include "scene/3d/camera.h"
#include "scene/main/viewport.h" #include "scene/main/viewport.h"
void AudioStreamPlayer3D::_mix_audio() { void AudioStreamPlayer3D::_mix_audio() {
if (!stream_playback.is_valid() || !active || if (!stream_playback.is_valid() || !active ||
@ -206,15 +207,15 @@ float AudioStreamPlayer3D::_get_attenuation_db(float p_distance) const {
float att = 0; float att = 0;
switch (attenuation_model) { switch (attenuation_model) {
case ATTENUATION_INVERSE_DISTANCE: { case ATTENUATION_INVERSE_DISTANCE: {
att = Math::linear2db(1.0 / ((p_distance / unit_size) + 000001)); att = Math::linear2db(1.0 / ((p_distance / unit_size) + CMP_EPSILON));
} break; } break;
case ATTENUATION_INVERSE_SQUARE_DISTANCE: { case ATTENUATION_INVERSE_SQUARE_DISTANCE: {
float d = (p_distance / unit_size); float d = (p_distance / unit_size);
d *= d; d *= d;
att = Math::linear2db(1.0 / (d + 0.00001)); att = Math::linear2db(1.0 / (d + CMP_EPSILON));
} break; } break;
case ATTENUATION_LOGARITHMIC: { case ATTENUATION_LOGARITHMIC: {
att = -20 * Math::log(p_distance / unit_size + 000001); att = -20 * Math::log(p_distance / unit_size + CMP_EPSILON);
} break; } break;
default: { default: {
ERR_PRINT("Unknown attenuation type"); ERR_PRINT("Unknown attenuation type");