processing动态画三个轴的曲线

11721206

  RawX[RawX.length-1] = Sensor_X;
  RawY[RawY.length-1] = Sensor_Y;   // place the new raw datapoint at the end of the array
  RawZ[RawZ.length-1] = Sensor_Z;
  zoom = scaleBar.getPos();                      // get current waveform scale value
  offset = map(zoom,0.5,1,300,0);                // calculate the offset needed at this scale
  for (int i = 0; i < RawX.length-1; i++) {      // move the pulse waveform by
    RawX[i] = RawX[i+1];                         // shifting all raw datapoints one pixel left
    float dummy = RawX[i] * zoom + offset;       // adjust the raw data to the selected scale
    ScaledX[i] = constrain(int(dummy),44,556);   // transfer the raw data array to the scaled array
  }
  
       for (int i = 0; i < RawY.length-1; i++) {      // move the pulse waveform by
    RawY[i] = RawY[i+1];                         // shifting all raw datapoints one pixel left
    float dummy = RawY[i] * zoom + offset;       // adjust the raw data to the selected scale
    ScaledY[i] = constrain(int(dummy),44,556);   // transfer the raw data array to the scaled array
  }
    for (int i = 0; i < RawZ.length-1; i++) {      // move the pulse waveform by
    RawZ[i] = RawZ[i+1];                         // shifting all raw datapoints one pixel left
    float dummy = RawZ[i] * zoom + offset;       // adjust the raw data to the selected scale
    ScaledZ[i] = constrain(int(dummy),44,556);   // transfer the raw data array to the scaled array
  }

  
  
  
  stroke(250,0,0);                               // red is a good color for the pulse waveform
  noFill();
  beginShape();                                  // using beginShape() renders fast
  for (int x = 1;x<ScaledY.length-1;x++) {
   stroke(250,0,0);     
    vertex(x+1,ScaledX[x]);

    stroke(0,255,0);
    vertex(x, ScaledY[x]);
    stroke(0,0,255);
    vertex(x+10, ScaledZ[x]);
    //draw a line connecting the data points
//    line(y, RawY[x],y+1,RawY[x+1]);
//    line(z, RawZ[x],z+1,RawZ[x+1]);
  }






结果是这样。每次画两个轴以上就会出现前面的轴不显示，并且都是这么的密集！！
求大神解答，该如何改代码！thx