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Add support for fading in to sound groups.

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This commit is contained in:
David Reid
2020-08-16 16:57:53 +10:00
parent 1baf3e941a
commit 56dbcb529c
2 changed files with 16 additions and 1 deletions
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research/ma_engine.c
+2 -1
View File
@@ -37,6 +37,7 @@ int main(int argc, char** argv)
//ma_engine_sound_group_set_pan(&engine, NULL, -1);
ma_engine_sound_group_set_pitch(&engine, NULL, 1.0f);
ma_engine_sound_group_set_fade_in(&engine, NULL, 4000);
/*ma_engine_sound_set_volume(&engine, &sound, 0.25f);*/
//ma_engine_sound_set_pitch(&engine, &sound, 2.0f);
@@ -58,7 +59,7 @@ int main(int argc, char** argv)
ma_engine_play_sound(&engine, argv[3], NULL);*/
#endif
#if 1
#if 0
float pitch = 1;
float pitchStep = 0.01f;
float pitchMin = 0.125f;
research/ma_engine.h
+14
View File
@@ -997,6 +997,7 @@ MA_API ma_result ma_engine_sound_group_set_gain_db(ma_engine* pEngine, ma_sound_
MA_API ma_result ma_engine_sound_group_set_effect(ma_engine* pEngine, ma_sound_group* pGroup, ma_effect* pEffect);
MA_API ma_result ma_engine_sound_group_set_pan(ma_engine* pEngine, ma_sound_group* pGroup, float pan);
MA_API ma_result ma_engine_sound_group_set_pitch(ma_engine* pEngine, ma_sound_group* pGroup, float pitch);
MA_API ma_result ma_engine_sound_group_set_fade_in(ma_engine* pEngine, ma_sound_group* pGroup, ma_uint64 fadeTimeInMilliseconds);
MA_API ma_result ma_engine_listener_set_position(ma_engine* pEngine, ma_vec3 position);
MA_API ma_result ma_engine_listener_set_rotation(ma_engine* pEngine, ma_quat rotation);
@@ -6554,6 +6555,19 @@ MA_API ma_result ma_engine_sound_group_set_pitch(ma_engine* pEngine, ma_sound_gr
return MA_SUCCESS;
}
MA_API ma_result ma_engine_sound_group_set_fade_in(ma_engine* pEngine, ma_sound_group* pGroup, ma_uint64 fadeTimeInMilliseconds)
{
if (pEngine == NULL) {
return MA_INVALID_ARGS;
}
if (pGroup == NULL) {
pGroup = &pEngine->masterSoundGroup;
}
return ma_dual_fader_set_fade(&pGroup->effect.fader, 0, 0, 1, pGroup->effect.fader.timeInFramesCur, pGroup->effect.fader.timeInFramesCur + (fadeTimeInMilliseconds * pGroup->effect.fader.config.sampleRate) / 1000);
}
MA_API ma_result ma_engine_listener_set_position(ma_engine* pEngine, ma_vec3 position)
{