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Update audio_amp_envelope.c

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Ray
2026-04-04 11:13:29 +02:00
parent ea6292e27a
commit 6ff51d3a2a
1 changed files with 10 additions and 10 deletions
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20
examples/audio/audio_amp_envelope.c
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@@ -93,7 +93,7 @@ int main(void)
{
// Update
//----------------------------------------------------------------------------------
if (IsKeyPressed(KEY_SPACE)) env.state = ATTACK;
if (IsKeyPressed(KEY_SPACE)) env.state = ATTACK;
if (IsKeyReleased(KEY_SPACE) && (env.state != IDLE)) env.state = RELEASE;
@@ -106,14 +106,14 @@ int main(void)
UpdateEnvelope(&env);
FillAudioBuffer(i, buffer, env.currentValue, &audioTime);
}
}
}
else
{
// Clear buffer if silent to avoid looping noise
for (int i = 0; i < BUFFER_SIZE; i++) buffer[i] = 0;
audioTime = 0.0f;
}
UpdateAudioStream(stream, buffer, BUFFER_SIZE);
}
@@ -166,7 +166,7 @@ static void FillAudioBuffer(int i, float *buffer, float envelopeValue, float *au
static void UpdateEnvelope(Envelope *env)
{
// Calculate the time delta for ONE sample (1/44100)
float sampleTime = 1.0f/SAMPLE_RATE;
float sampleTime = 1.0f/SAMPLE_RATE;
switch(env->state)
{
@@ -178,7 +178,7 @@ static void UpdateEnvelope(Envelope *env)
env->currentValue = 1.0f;
env->state = DECAY;
}
} break;
case DECAY:
{
@@ -188,12 +188,12 @@ static void UpdateEnvelope(Envelope *env)
env->currentValue = env->sustainLevel;
env->state = SUSTAIN;
}
} break;
case SUSTAIN:
{
env->currentValue = env->sustainLevel;
} break;
case RELEASE:
{
@@ -203,8 +203,8 @@ static void UpdateEnvelope(Envelope *env)
env->currentValue = 0.0f;
env->state = IDLE;
}
} break;
} break;
default: break;
}
}
@@ -219,7 +219,7 @@ static void DrawADSRGraph(Envelope *env, Rectangle bounds)
// Total time to visualize (sum of A, D, R + a padding for Sustain)
float totalTime = env->attackTime + env->decayTime + sustainWidth + env->releaseTime;
float scaleX = bounds.width/totalTime;
float scaleY = bounds.height;