add example blit3.ck

VERSIONS

@@ -9,7 +9,9 @@ ChucK VERSIONS log
 - (added) command line query system `--query:<name>`
 - (added) examples/deep/smb.ck -- a ChucK rendition of Super Mario Bros.
           original theme by Koji Kondo; modeled in ChucK by Wesley Burchell in 2017
-- (fixed) globals events system synchronization
+- (added) examples/basic/blit3.ck -- lounge blit; made for svork concert lounge music
+- (fixed) globals events system synchronization (this fixes a long-running,
+    elusive Chunity crashing bug)
 
 
 1.5.2.4 (April 2024)

examples/basic/blit3.ck

@@ -0,0 +1,54 @@
+// name: blit3.ck
+// desc: lounge blit
+// date: spring 2024; made for svork's concert lounge music
+
+// a duration
+250::ms => dur T;
+
+// patch
+Blit s => LPF lpf => ADSR e => DelayL eicho => JCRev r => dac;
+// feedback
+eicho => Gain g(.8) => eicho;
+
+// delay settings
+T*2/3 => eicho.max => eicho.delay;
+// reverb mix
+.15 => r.mix;
+// lowpass cutoff
+8000 => lpf.freq;
+
+// set adsr
+e.set( 15::ms, 13::ms, .5, 35::ms );
+
+// intervals array
+[ 0, 2, 4, 7, 9, 11 ] @=> int hi[];
+// roots array
+[ 33, 24 ] @=> int roots[];
+
+// infinite time loop
+while( true )
+{
+    // for each root
+    for( int r : roots )
+    {
+        // repeat with r for some number of times
+        repeat( Math.random2(16,32) )
+        {
+            // frequency
+            Std.mtof( r + Math.random2(0,3) * 12 +
+                hi[Math.random2(0,hi.size()-1)] ) => s.freq;
+
+            // harmonics
+            Math.random2( 1, 5 ) => s.harmonics;
+
+            // key on
+            e.keyOn();
+            // advance time
+            T-e.releaseTime() => now;
+            // key off
+            e.keyOff();
+            // advance time
+            e.releaseTime() => now;
+        }
+    }
+}