emodLevelStar.2dpy

def Init():
   # --- author : jamesc

   STR.SetFParam0Name("Fade")
   STR.SetFParam1Name("Thickness")
   STR.SetFParam2Name("Rotation")
   GLB.slots = STR.GetMaxSlots()
   GLB.xmode = 0
   # ---    accent : toggle square ends
   # ---    trigger : toggle use half lines

   # --- if listening to PARAMS::ACTIONS::Extra Mod Type
   # --- 10 slots = FFT analysis bins
   # --- 24 slots = MIDI notes

   GLB.slots = STR.GetMaxSlots()

   GLB.mode = "auto"
   if (GLB.slots == 10) :
      GLB.mode = "audio"
   if (GLB.slots == 24) :
      GLB.mode = "midi"

   GLB.degOff = 0

   # --- clear screen
   cr.set_source_rgba(0,0,0,1)
   cr.rectangle(0,0,320,240)
   cr.fill()


def Render(cr):
   acc = STR.CheckAccent()
   trig = STR.CheckTrigger()
   f0 = STR.F0()
   f1 = STR.F1mix(0.05,1.0)
   f2 = STR.F2mix(-0.5 , 0.5)

   ftime = STR.FT()
   itime = STR.IT()
   time = ftime + itime

   # --- clear screen
   cr.set_source_rgba(0,0,0,f0) 
   cr.rectangle(0,0,320,240)
   cr.fill()

   if trig:
      GLB.xmode = 1 if GLB.xmode==0 else 0

   # --- capture incoming data:
   xCenter = 160
   yCenter = 120
   lastVelo = 0
   useSlots = 10

   if GLB.mode == "audio":
      useSlots = GLB.slots

   # --- capture incoming data:
   if GLB.mode == "midi":
      useSlots = 12

   myDegrees = 0
   for i in range(GLB.slots) :
      (id,note,velo) = STR.GetSlotData(i)
      drawDot = True 
      drawLine = True


      # --- draw fewer lines if toggled
      if (GLB.xmode):
         if (useSlots == 10):    # --- audio
            if not (note % 2):
               drawLine = False
 
      if (useSlots == 12) :   # --- MIDI
         if id == 0:
            drawDot = False

      if (drawLine and drawDot) :
         for j in range(4) :     # --- draw four lines at 90deg from each other
            if (useSlots == 12) :   # --- MIDI
               if id != 0:
                  myDegrees = 90.0 / useSlots * (note  % useSlots)  + GLB.degOff + j * 90
               else :
                  drawDot = False
            else :
               myDegrees = (90.0 / useSlots * i ) + GLB.degOff + j * 90

            myRadians = radians(myDegrees)
            myVelo = velo

            if (useSlots == 10) :   # --- audio
               if (note == (GLB.slots-1) ):
                  myVelo = (velo + (lastVelo * .5) ) * .8

            bigR = myVelo + 10

            xSmall = xCenter + cos(myRadians) * bigR    # ---  find 'x' of center point for smShape
            ySmall = yCenter + sin(myRadians) * bigR    # ---  find 'y' of center point for smShape

            if (useSlots == 12) :   # --- MIDI
               r,g,b = hsv_to_rgb( ((note % useSlots)/useSlots ) ,1,1)
            else:
               r,g,b = hsv_to_rgb( (note/GLB.slots ) ,1,1)
            cr.set_source_rgb(b, g, r)

            cr.set_line_width(6 * f1)
            cr.move_to(xCenter, yCenter)
            cr.line_to(xSmall, ySmall)
            cr.stroke()

            if (acc) :
               offset = 20 * f1 * .5
               cr.rectangle(xSmall - offset, ySmall - offset, 20*f1, 20*f1)
               cr.fill()
         lastVelo = velo

      GLB.degOff = GLB.degOff + f2

      if ( abs(f2) < 0.05) :      # --- 9oclock no rotate
         dmod = 0