p0 = output start time (seconds)
   p1 = duration (seconds)
   p2 = amplitude (absolute, for 16-bit soundfiles: 0-32768)
   p3 = # of X points (2-12)
   p4 = # of Y points (2-12)
   p5 = xpos (0.0-1.0)
   p6 = ypos (0.0-1.0)
   p7 = decay value (0.0-1.0)
   p8 = strike energy (0.0-1.0)
   p9 = pan (0-1 stereo; 0.5 is middle) [optional; default is 0.5]

   p2 (amplitude) and p9 (pan) can receive dynamic updates from a table or
   real-time control source

   Author:  Brad Garton, based on code from the Synthesis ToolKit

Here's what was written in the original source code:

This class implements a rectilinear, two-dimensional digital waveguide mesh structure. For details, see Van Duyne and Smith, "Physical Modeling with the 2-D Digital Waveguide Mesh", Proceedings of the 1993 International Computer Music Conference.

Sometimes the amplitude is very small and has to be boosted.

MMESH2D can produce other mono or stereo output.



Sample Scores

very basic:

   rtsetparams(44100, 2)
   load("MMESH2D")

   MMESH2D(0, 4.5, 3*30000, 12, 11, 0.8, 0.9, 1.0, 1.0, 0.5)

   amp = 30000
   ampenv = maketable("line", 1000, 0,0, 4,1, 5,0)
   pan = makeLFO("tri", 0.5, 0.0, 1.0)
   MMESH2D(5, 4.5, amp*ampenv*100, 10, 11, 0.7, 0.1, 1.0, 1.0, pan)

   rtsetparams(44100, 2)
   load("MMESH2D")

   srand()

   st = 0
   for (i = 0; i < 150; i = i+1)
   {
      nx = irand(2, 12)
      ny = irand(2, 12)
      MMESH2D(st, 0.5, 17000, nx, ny, random(), random(), random(), random(), random())
      st = st + 0.1
   }