Rix: 2015

RD-01

Volume : 1

Tempo : 120

ここにコード進行を記入してください。

Melody Algorithm

var MelodyModule = (function(){
  
    
  var  melodySoundType = 'triangle';  //音色。sine, sawtooth, square を選択可能
  var h_octPlus = 0;    //  メロディーのオクターブの高さ
  var r_octPlus = 0;    //  メロディーのリズムの速さ
  
    
  function MelodyElement( f , d , p){ 
            this.freq = f;   // 音程の高さ。Hz単位で加算可能
            this.duration = d;   // 音の長さ。mSec単位で加算可能
            this.pos = p;   // ノートオンのタイミング。mSec単位で加算可能
            
   }
       
 
  
    function m_chordation(){  
 
       var m_chord = [];
       var h_chord = HarmonyModule.getProperty().chord;
       var r_chord = RhythmModule.getProperty().chord;
       var oneBar = RhythmModule.getProperty().oneBar;
       
       for(var c in h_chord){
         
         var h_noteInfo = compressToTwelveTone( h_chord[c] ); 
         var h_freq = HarmonyModule.numToHz(HarmonyModule.getProperty().chordOct + h_octPlus , h_noteInfo[0] );
         
         var r_noteInfo = compressToTwelveTone( r_chord[c] ); 
         var r_freq = RhythmModule.numToHz(RhythmModule.getProperty().chordOct+ r_octPlus + r_noteInfo[1], r_noteInfo[0]);
           
         var oneBeat = oneBar / r_freq; 
         
         m_chord[c] = new MelodyElement( h_freq, oneBeat , 0);
         
        }

return m_chord;
     
   }   
      
      
      
      function MelodyLane(){
      
        this.count= 0;
        this.m_Elements= [];
        
        this.add = function(mEl){
                  this.m_Elements[this.count] = mEl; 
                  this.count++; 
               };
        
        this.getAfter = function(currentPhase){
                      
                      for( var i in this.m_Elements){
                      
                         if(currentPhase < this.m_Elements[i].pos){
                             return this.m_Elements[i];
                          }
                      }

return 'none';
               };
         
           }
    
    
    
    
    
    function loadMelodyLanes(m_chord){
    
       var m_lanes =[];
       var posTotal =0;
       var oneBar = RhythmModule.getProperty().oneBar;
      
       
       for(var c in m_chord){
          
          m_lanes[c] = new MelodyLane();
          
          while(posTotal < oneBar){
        
                 m_lanes[c].add( new MelodyElement(m_chord[c].freq, m_chord[c].duration, posTotal) );
                 
                 posTotal += m_chord[c].duration;
               }
               
            posTotal=0;
    
          } 
          
          return m_lanes;
          
    }
    
    
    
    
    
    
    var MelodyElementAssembly ={
 
        arrangedLane: new MelodyLane(),
        
        arrange: function(m_lanes){
                
         	// この値以上離れている候補音をメロディーに含める。
                var afterMargin = 0;

var oneBar = RhythmModule.getProperty().oneBar;

// 初期値は0番目レーンの0番目エレメント (変更は任意)
                var reservedElement = m_lanes[0].m_Elements[0]; 
                var currentPhase =0;
                var next = [];
                
                
                while( currentPhase < oneBar){
                
                   var minPos = oneBar; 
                   var rightNum =-1;
                   
                   for( var i in m_lanes){
                    next[i] = m_lanes[i].getAfter(currentPhase + afterMargin); 
                    } 
                    
                   
                   for( var n in next){
                      
                       if(next[n] == 'none'){
                           continue;
                        }
                        
                       if(next[n].pos < minPos ){  
                         minPos = next[n].pos;
                         rightNum = n;
                        }
                   }
                   
                   if(rightNum == -1){ 
                      break;
                    }
                   
                  
                  
                   if(currentPhase > oneBar){  
                        reservedElement.duration = oneBar - currentPhase;
                    }else{    
                        reservedElement.duration = next[rightNum].pos - currentPhase;
                    }
                
                    currentPhase = next[rightNum].pos; 
                    
                    this.arrangedLane.add(reservedElement); 
                    
                    reservedElement = next[rightNum]; 
                    
                     
                 }  
         
                  
                   
              }, 
           
           launch: function(){
                      
                      var mEl = null;
                      var s = null;
                      
                      for(var e in this.arrangedLane.m_Elements){
                        mEl = this.arrangedLane.m_Elements[e];
                        s = new Sound(mEl.freq, mEl.duration, mEl.pos, melodySoundType, melodyGain);
                        eSoundation(s);
                        
                       } 
                     
                      this.arrangedLane = new MelodyLane(); 
                   }
           
         } //  MelodyElementAssembly
         
    
    
  
  
    return {
    
       run: function(){ 
            
           var m_chord = m_chordation();
           var m_lanes = loadMelodyLanes(m_chord); 
           MelodyElementAssembly.arrange(m_lanes); 
           MelodyElementAssembly.launch(); 
           
         } 
    
    
    }
    
    
          
})(); // MelodyModule

LOOP

Melody Gain

Rhythm Gain

Rix

2015年2月14日土曜日

RD-01

2015年1月17日土曜日

Rix Chord Player β