bytemedia

commit: 6586c3e92510a75d16009bd06fb3a1bba28f3810
parent d379c6484260753cac8e550560a1c02cd20082dd
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Tue, 22 Mar 2022 21:45:39 +0100

kagome_kagome: Extract clarinet to a function

Diffstat:
M
C/kagome_kagome.c
14
+++++++++++---

1 file changed, 11 insertions(+), 3 deletions(-)
diff --git a/C/kagome_kagome.c b/C/kagome_kagome.c
@@ -29,16 +29,24 @@ crossfade(int dur, int t, float vol)
 	}
 }
 
+float
+clarinet(struct au_header *header, int hertz, int t)
+{
+	float w1 = 2*M_PI*hertz/header->samplerate;
+
+	return sin(w1*t) + 0.75*sin(3*w1*t) + 0.5*sin(5*w1*t) + 0.14*sin(7*w1*t) + 0.5*sin(9*w1*t) + 0.12*sin(11*w1*t) + 0.17*sin(13*w1*t);
+}
+
 void
 sin_note(int dur, struct au_header *header, int hertz, float volume, float delay) {
 	char buf[4];
 
 	for(int t = 0;t<dur;t++) {
 		//putchar((uint8_t)(sinf((delay + t) * 2*M_PI*hertz/header->samplerate) * volume) % 210);
-		float w1 = 2*M_PI*hertz/header->samplerate;
+		float tune = clarinet(header, hertz, t);
+		float vol = crossfade(dur, t, volume);
 
-		float tune = sin(w1*t) + 0.75*sin(3*w1*t) + 0.5*sin(5*w1*t) + 0.14*sin(7*w1*t) + 0.5*sin(9*w1*t) + 0.12*sin(11*w1*t) + 0.17*sin(13*w1*t);
-		putchar((uint8_t)(tune * crossfade(dur, t, volume)));
+		putchar((uint8_t)(tune * vol));
 	}
 }