lol.crackjs

// Prepare some stuff.
var bpm = 135;
var loopInterval = (60 * 1000) / bpm / 4;

// Master channel.
__().compressor({id: "master"}).dac();

__().sine({id: "kick", frequency: 60})
    .overdrive({drive: 0.05})
    .adsr({id: "kickA"})
    .gain(0.8)
    .highpass(20)
    .connect("#master");
    
__().white({id: "clap"})
    .adsr({id: "clapA"})
    .gain(0.5)
    .highpass(300)
    .lowpass({frequency: 2500, q: 6})
    .connect("#master");
    
__().white({id: "hihat"})
    .adsr({id: "hihatA"})
    .gain(0.2)
    .highpass(8000)
    .lowpass({frequency: 20000, q: 3})
    .connect("#master");    

// Loop
__.loop({steps: 16, interval: loopInterval});

// Patterns
__('#kick,#kickA').bind("step", function(i, v, a) {
    if (v) {
        __.ramp(40, .1, "frequency", 140);         
        __.adsr("trigger", [0, 0.3, 0.2, 0.2]);
    }
}, [1,0,0,0,0,0,1,0,0,0,1,0,0,1,0,0]);

__('#clap,#clapA').bind("step", function(i, v, a) {
    if (v) {
        __.adsr("trigger", [0, 0.20, 0.1, 0.05]);
    }
}, [0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0]);

__('#hihat,#hihatA').bind("step", function(i, v, a) {
    if (v) __.adsr("trigger", [0, 0.08, 0, 0]);
}, [0,0,1,1,0,0,1,1,0,1,1,0,0,0,1,1]);

// Hrej!
__.loop("start");