Max For Live JavaScript Random Generator Tutorial 01
In that first video, I will show you how I create a MIDI notes random generator with JavaScript in Max For Live. - First, add a Max Midi Effect to a MIDI track. - Then click on the yellow button to enter programing mode. - Max For Live editor will open. - Use the shortcut key of your OS to zoom if you like. - Double click to create an object. - In this object, write JS followed by the name of the device. - Right click in to open menu. Choose, object, edit random midi. - It will open a text editor where you will write the script. - At the top of that script, write "inlets=1" and "outlets=3". - Save your script in a folder that Ableton has in Places. - Save also the device in the same folder. - You can see that one inlet and three outlets have been created on your JavaScript object. - Double click to create a new object - Write inside the object the text "metro 4n @active 1" - Then create a new object called "transport". - And finally create an other object called "noteout" - Link outlet 0 of metro to inlet 0 of transport. - Link outlet 1 of transport to inlet 0 of your JavaScript object - Link outlet 0 and outlet 1 of the JavaScript object to inlet 0 and inlet 1 of noteout - In the script, write this code: var note=0 function msg_int(i) { outlet(1,0); outlet(0, note); note= 50 + parseInt(Math.random()*30); velo = 30 + parseInt(Math.random()*70); outlet(1,velo); outlet(0, note); } Outlet sends a value to output. The first call stops the sound of the previous note by sending a velocity of zero. Then a new note with a new velocity is created by using a random function. The note is between 50 and 80. The velocity is between 30 and 100. Then the new note is sent with outlet. In the next video, I will show how to create buttons to interact with the JavaScript code.
In that first video, I will show you how I create a MIDI notes random generator with JavaScript in Max For Live. - First, add a Max Midi Effect to a MIDI track. - Then click on the yellow button to enter programing mode. - Max For Live editor will open. - Use the shortcut key of your OS to zoom if you like. - Double click to create an object. - In this object, write JS followed by the name of the device. - Right click in to open menu. Choose, object, edit random midi. - It will open a text editor where you will write the script. - At the top of that script, write "inlets=1" and "outlets=3". - Save your script in a folder that Ableton has in Places. - Save also the device in the same folder. - You can see that one inlet and three outlets have been created on your JavaScript object. - Double click to create a new object - Write inside the object the text "metro 4n @active 1" - Then create a new object called "transport". - And finally create an other object called "noteout" - Link outlet 0 of metro to inlet 0 of transport. - Link outlet 1 of transport to inlet 0 of your JavaScript object - Link outlet 0 and outlet 1 of the JavaScript object to inlet 0 and inlet 1 of noteout - In the script, write this code: var note=0 function msg_int(i) { outlet(1,0); outlet(0, note); note= 50 + parseInt(Math.random()*30); velo = 30 + parseInt(Math.random()*70); outlet(1,velo); outlet(0, note); } Outlet sends a value to output. The first call stops the sound of the previous note by sending a velocity of zero. Then a new note with a new velocity is created by using a random function. The note is between 50 and 80. The velocity is between 30 and 100. Then the new note is sent with outlet. In the next video, I will show how to create buttons to interact with the JavaScript code.