diff options
| author | rekado <rekado@elephly.net> | 2016-09-06 22:13:03 +0200 |
|---|---|---|
| committer | rekado <rekado@elephly.net> | 2016-09-06 23:31:22 +0200 |
| commit | 8a4bca986c57062e96f1e58281b3eff52a856ee6 (patch) | |
| tree | 11b125b567c212739a6585862628f0565f51ce35 /objects/env/ad m.axo | |
Initial commit.
Diffstat (limited to 'objects/env/ad m.axo')
| -rw-r--r-- | objects/env/ad m.axo | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/objects/env/ad m.axo b/objects/env/ad m.axo new file mode 100644 index 0000000..9ae76f1 --- /dev/null +++ b/objects/env/ad m.axo @@ -0,0 +1,60 @@ +<objdefs> + <obj.normal id="ad m" uuid="9045d727a260ba66aa68c68f684eea2148aaf338" sha="b5f72335c41e5dec8763a23bed395833a6694bab"> + <sDescription>attack decay envelope with modulation inputs</sDescription> + <author>Ricardo Wurmus</author> + <license>GPL</license> + <helpPatch>env.axh</helpPatch> + <inlets> + <frac32 name="a" description="attack time"/> + <frac32 name="d" description="decay time"/> + <bool32.rising name="trig" description="trigger"/> + </inlets> + <outlets> + <frac32.positive name="env" description="envelope output"/> + </outlets> + <displays/> + <params> + <frac32.s.map name="a"/> + <frac32.u.map.kdecaytime name="d"/> + </params> + <attribs/> + <code.declaration><![CDATA[ +int8_t stage; +int ntrig; +int32_t val; +]]></code.declaration> + <code.init><![CDATA[ +ntrig = 0; +val = 0; +]]></code.init> + <code.krate><![CDATA[ +if ((inlet_trig>0) && !ntrig) { + ntrig = 1; + stage = 1; +} else if (!(inlet_trig>0)) { + ntrig = 0; +} + +// decay +if (stage == 0) { + val = ___SMMLA(val,(-1<<26)+(param_d>>1)+(inlet_d>>1),val); + +// attack +} else { + int32_t a; + MTOF(- param_a - inlet_a,a); + + // shift to let val rise more slowly + a = a >> 4; + val = val + a; + + // switch to decay phase at max + if (val > 0x07FFFFFF) { + val = 0x07FFFFFF; + stage = 0; + } +} +outlet_env = val; +]]></code.krate> + </obj.normal> +</objdefs> |