diff --git a/crickets/src/main.cpp b/crickets/src/main.cpp
index 77de8d5..5df295f 100755
--- a/crickets/src/main.cpp
+++ b/crickets/src/main.cpp
@@ -21,7 +21,7 @@
 //============<identities>============
 //
 #define MY_GROUP_ID   (3000)
-#define MY_ID         (MY_GROUP_ID + 205)
+#define MY_ID         (MY_GROUP_ID + 202)
 #define MY_SIGN       ("CRICKET")
 //
 //============</identities>============
diff --git a/id.list b/id.list
index 05d65b6..e656451 100644
--- a/id.list
+++ b/id.list
@@ -35,5 +35,5 @@
 - unused
     == gonggong x 1 ~ 4001
 
-- (new)
-    == cricket x 1 ~ 3087
+- bird
+    == cricket x 1 ~ 3100
diff --git a/puredata/arr2q.pd b/puredata/arr2q.pd
new file mode 100644
index 0000000..80f97bf
--- /dev/null
+++ b/puredata/arr2q.pd
@@ -0,0 +1,42 @@
+#N canvas 1 89 358 397 12;
+#X floatatom 57 234 5 0 0 0 - - -;
+#X floatatom 57 123 5 0 0 0 - - -;
+#X obj 57 211 tabread;
+#X obj 57 98 array size;
+#X msg 142 98 set \$1;
+#X obj 57 20 inlet;
+#X obj 57 145 hooop;
+#X obj 57 282 pack f f s;
+#X msg 57 313 add \$2 \$3 \$1;
+#X text 107 19 1-array-name;
+#X text 105 345 1#qlist;
+#X obj 57 342 outlet;
+#X obj 57 53 t b a a;
+#X obj 222 237 loadbang;
+#X obj 222 262 symbol \$2;
+#X obj 133 190 sel 0;
+#X msg 133 215 0;
+#X obj 165 240 f \$1;
+#X msg 165 215 bang;
+#X obj 57 170 t a a;
+#X connect 0 0 7 0;
+#X connect 1 0 6 0;
+#X connect 2 0 0 0;
+#X connect 3 0 1 0;
+#X connect 4 0 2 0;
+#X connect 5 0 12 0;
+#X connect 6 0 19 0;
+#X connect 7 0 8 0;
+#X connect 8 0 11 0;
+#X connect 12 0 3 0;
+#X connect 12 1 3 1;
+#X connect 12 2 4 0;
+#X connect 13 0 14 0;
+#X connect 14 0 7 2;
+#X connect 15 0 16 0;
+#X connect 15 1 18 0;
+#X connect 16 0 7 1;
+#X connect 17 0 7 1;
+#X connect 18 0 17 0;
+#X connect 19 0 2 0;
+#X connect 19 1 15 0;
diff --git a/puredata/asum.pd b/puredata/asum.pd
new file mode 100644
index 0000000..8d6b76c
--- /dev/null
+++ b/puredata/asum.pd
@@ -0,0 +1,50 @@
+#N canvas 483 306 379 517 12;
+#X obj 217 160 symbol \$1;
+#X obj 217 210 makefilename %s%%d;
+#X obj 217 135 loadbang;
+#X obj 217 270 makefilename;
+#X msg 217 235 set \$1;
+#X obj 52 310 array get;
+#X msg 247 81 \; \$1 const 0;
+#X obj 72 227 f;
+#X obj 108 227 + 1;
+#X obj 52 335 list-math *;
+#X obj 173 375 array get;
+#X obj 92 466 array set;
+#X obj 92 400 list-emath +;
+#X obj 227 185 s \$0-out-an;
+#X obj 233 350 r \$0-out-an;
+#X obj 152 441 r \$0-out-an;
+#X obj 52 149 t b b a b;
+#X obj 52 78 inlet;
+#X obj 167 78 inlet;
+#X text 153 15 argument 1: array name;
+#X text 21 48 1-ratios \, comma separated;
+#X msg 167 128 0;
+#X msg 167 103 bang;
+#X obj 247 56 symbol \$1;
+#X connect 0 0 1 0;
+#X connect 0 0 13 0;
+#X connect 1 0 4 0;
+#X connect 2 0 0 0;
+#X connect 3 0 5 2;
+#X connect 4 0 3 0;
+#X connect 5 0 9 0;
+#X connect 7 0 8 0;
+#X connect 8 0 7 1;
+#X connect 8 0 3 0;
+#X connect 9 0 12 0;
+#X connect 10 0 12 1;
+#X connect 12 0 11 0;
+#X connect 14 0 10 2;
+#X connect 15 0 11 2;
+#X connect 16 0 5 0;
+#X connect 16 1 7 0;
+#X connect 16 2 9 1;
+#X connect 16 3 10 0;
+#X connect 17 0 16 0;
+#X connect 18 0 22 0;
+#X connect 21 0 7 1;
+#X connect 22 0 21 0;
+#X connect 22 0 23 0;
+#X connect 23 0 6 0;
diff --git a/puredata/constellations/sim.lua b/puredata/constellations/sim.lua
index 4b411a9..6d97e01 100644
--- a/puredata/constellations/sim.lua
+++ b/puredata/constellations/sim.lua
@@ -40,8 +40,8 @@ function bin.new()
       -- font:drawString(string.format("(%5.1f %5.1f %2.1f)", spd, jerk, l.mass), 12, 0)
       -- font:drawString(string.format("%06x", l.color), 12, 0)
       -- font:drawString(string.format("%.0f", l.mass), 12, 0)
-      local ang = l.pos.angle(l.pos, ofVec2f(1, 0))
-      font:drawString(string.format("%.0f", ang), 12, 0)
+      -- local ang = l.pos.angle(l.pos, ofVec2f(1, 0))
+      -- font:drawString(string.format("%.0f", ang), 12, 0)
       ofPopMatrix()
     end
 
@@ -193,11 +193,11 @@ function bin.new()
     for i = 1, #o.planets do;
       o.planets[i].display();
     end;
-    ofSetHexColor(0x000000)
-    ofDrawLine(o.planets[1].pos.x, o.planets[1].pos.y, o.planets[2].pos.x, o.planets[2].pos.y)
-    ofNoFill()
-    ofDrawRectangle(o.planets[1].pos.x - 5, o.planets[1].pos.y - 5, 10, 10)
-    ofDrawCircle(o.planets[2].pos.x, o.planets[2].pos.y, 5)
+    -- ofSetHexColor(0x000000)
+    -- ofDrawLine(o.planets[1].pos.x, o.planets[1].pos.y, o.planets[2].pos.x, o.planets[2].pos.y)
+    -- ofNoFill()
+    -- ofDrawRectangle(o.planets[1].pos.x - 5, o.planets[1].pos.y - 5, 10, 10)
+    -- ofDrawCircle(o.planets[2].pos.x, o.planets[2].pos.y, 5)
     ofPopMatrix();
   end
 
diff --git a/puredata/hooop.pd b/puredata/hooop.pd
new file mode 100644
index 0000000..f28fa91
--- /dev/null
+++ b/puredata/hooop.pd
@@ -0,0 +1,22 @@
+#N canvas 510 530 450 300 12;
+#X obj 22 143 until;
+#X obj 22 99 f;
+#X obj 104 163 f;
+#X obj 134 163 + 1;
+#X obj 104 188 mod;
+#X msg 122 99 0;
+#X obj 22 23 inlet;
+#X obj 104 226 outlet;
+#X obj 22 58 t b b a a;
+#X connect 0 0 2 0;
+#X connect 1 0 0 0;
+#X connect 2 0 3 0;
+#X connect 2 0 4 0;
+#X connect 3 0 2 1;
+#X connect 4 0 7 0;
+#X connect 5 0 2 1;
+#X connect 6 0 8 0;
+#X connect 8 0 1 0;
+#X connect 8 1 5 0;
+#X connect 8 2 1 1;
+#X connect 8 3 4 1;
diff --git a/puredata/piano_access_radio_dhy.pd b/puredata/piano_access_radio_dhy.pd
index 30bd041..cef1269 100644
--- a/puredata/piano_access_radio_dhy.pd
+++ b/puredata/piano_access_radio_dhy.pd
@@ -1,4 +1,4 @@
-#N canvas 331 238 623 470 10;
+#N canvas 503 89 623 470 10;
 #X obj 328 198 spigot;
 #X obj 377 183 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
 1;
@@ -79,7 +79,7 @@
 #X obj 89 148 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
 1;
 #X obj 40 190 print HELLO;
-#N canvas 521 447 706 244 samplers 0;
+#N canvas 224 125 706 244 samplers 0;
 #X obj 35 142 spigot;
 #X obj 84 127 tgl 15 0 empty empty empty 17 7 0 10 -262144 -1 -1 0
 1;
@@ -224,12 +224,88 @@
 #X connect 25 0 22 0;
 #X connect 25 0 0 0;
 #X coords 0 244 1 243 200 200 0;
-#X restore 287 370 pd samplers;
+#X restore 257 320 pd samplers;
 #X text 109 24 * a wireless "field synth" - based on 'esp now' protocol
 ;
-#N canvas 527 163 766 615 crickets 0;
-#X text 722 577 >>>;
-#N canvas 293 319 980 662 buoyfly 0;
+#X msg 249 98 devicename /dev/ttyACM0 \, baud 57600 \, pollintervall
+1 \, verbose 1;
+#X msg 210 58 devicename /dev/tty.usbmodem4871051 \, baud 57600 \,
+pollintervall 1 \, verbose 1;
+#X msg 500 315 2000;
+#N canvas 803 196 443 470 keyboard 0;
+#X obj 20 126 unpackOSC;
+#X obj 107 18 loadbang;
+#X msg 147 103 devices;
+#X obj 20 147 routeOSC /note;
+#X floatatom 20 189 5 0 0 0 - - -;
+#X floatatom 77 189 5 0 0 0 - - -;
+#X floatatom 135 189 5 0 0 0 - - -;
+#X obj 20 105 o.io.slipserial;
+#X msg 147 127 close;
+#X obj 20 235 pack f f f;
+#X obj 20 168 routeOSC /pitch /velocity /onoff /oncnt;
+#X floatatom 193 189 5 0 0 0 - - -;
+#X obj 135 245 tgl 100 0 empty empty empty 17 7 0 10 -262144 -1 -1
+0 1;
+#X msg 20 52 devicename /dev/tty.HC-06-DevB-1 \, baud 57600 \, pollintervall
+1 \, verbose 1;
+#X text 1 2 <<<;
+#X text 401 2 >>>;
+#X text 1 422 <<<;
+#X text 401 422 >>>;
+#X obj 20 258 s SAMPLER_NOTE;
+#X floatatom 185 349 8 0 0 0 pitch - -;
+#X floatatom 185 369 8 0 0 0 velocity - -;
+#X obj 259 230 notein 1;
+#X floatatom 259 259 5 0 0 0 - - -;
+#X floatatom 304 259 5 0 0 0 - - -;
+#X obj 304 287 t a a;
+#X floatatom 259 321 5 0 0 0 - - -;
+#X floatatom 304 321 5 0 0 0 - - -;
+#X floatatom 361 332 5 0 0 0 - - -;
+#X obj 259 349 pack f f f;
+#X obj 361 305 != 0;
+#X obj 259 372 s SAMPLER_NOTE;
+#X text 260 205 * from midi master keybrd;
+#X text 180 25 * from bt-keybrd made w/ teensy;
+#X connect 0 0 3 0;
+#X connect 2 0 7 1;
+#X connect 3 0 10 0;
+#X connect 4 0 9 0;
+#X connect 4 0 19 0;
+#X connect 5 0 9 1;
+#X connect 5 0 20 0;
+#X connect 6 0 9 2;
+#X connect 6 0 12 0;
+#X connect 7 0 0 0;
+#X connect 8 0 7 1;
+#X connect 9 0 18 0;
+#X connect 10 0 4 0;
+#X connect 10 1 5 0;
+#X connect 10 2 6 0;
+#X connect 10 3 11 0;
+#X connect 13 0 7 1;
+#X connect 21 0 22 0;
+#X connect 21 1 23 0;
+#X connect 22 0 25 0;
+#X connect 23 0 24 0;
+#X connect 24 0 26 0;
+#X connect 24 1 29 0;
+#X connect 25 0 28 0;
+#X connect 26 0 28 1;
+#X connect 27 0 28 2;
+#X connect 27 0 12 0;
+#X connect 28 0 30 0;
+#X connect 29 0 27 0;
+#X coords 0 -1 1 1 110 170 1 130 220;
+#X restore 76 246 pd keyboard ctrlr;
+#N canvas 333 764 1440 811 birds 1;
+#X obj 52 406 tgl 20 0 empty empty empty 17 7 0 10 -262130 -1 -1 0
+1;
+#X obj 182 434 tgl 20 0 empty empty empty 17 7 0 10 -257985 -1 -1 0
+1;
+#X obj 52 570 s NOTE;
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 #X array riff2 50 float 3;
 #A 0 0.285714 0.304762 0.328572 0.457144 0.504763 0.514287 0.542858
@@ -243,13 +319,13 @@
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--0.00952387 -0.00952387 -0.00952387;
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 #X restore 340 334 graph;
 #X obj 180 466 tgl 20 0 empty empty empty 17 7 0 10 -262130 -1 -1 0
@@ -296,14 +372,13 @@
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 #X restore 818 332 graph;
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@@ -371,7 +446,6 @@
 #X coords 0 1 50 0 150 105 1 0 0;
 #X restore 498 202 graph;
 #X msg 561 467 symbol riff21a;
-#X msg 721 457 symbol riff22a;
 #X msg 561 447 symbol riff21;
 #N canvas 0 23 450 278 (subpatch) 0;
 #X array riff21a 50 float 3;
@@ -387,7 +461,9 @@
 #X msg 561 487 symbol riff21b;
 #X obj 238 93 r HELLO;
 #X obj 238 116 route 3051;
-#X obj 238 139 print 3051;
+#X msg 721 477 symbol riff22a;
+#X msg 721 457 symbol riff22;
+#X obj 238 159 print 3051;
 #X connect 2 0 15 0;
 #X connect 3 0 34 3;
 #X connect 4 0 14 0;
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-#X connect 46 0 37 1;
-#X connect 47 0 36 1;
-#X connect 49 0 36 1;
-#X connect 50 0 51 0;
-#X connect 51 0 52 0;
-#X restore 442 136 pd buoyfly;
-#N canvas 277 89 439 542 yellow 0;
+#X connect 46 0 36 1;
+#X connect 48 0 36 1;
+#X connect 49 0 50 0;
+#X connect 51 0 37 1;
+#X connect 52 0 37 1;
+#X restore 200 191 pd buoyfly;
+#N canvas 194 444 1133 383 roundly 0;
+#X msg 364 139 \$1 5000;
+#X obj 364 162 unpack f f;
+#X obj 364 185 s X1;
+#X obj 421 185 s X2;
+#X obj 54 208 r HELLO;
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+#X msg 714 139 \$1 5000;
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+#X floatatom 613 99 5 0 0 0 target_pos - -;
+#X obj 613 121 t b a;
+#X obj 16 26 loadbang;
+#X msg 16 49 0;
+#X obj 104 81 skip 500;
+#X obj 358 81 skip 500;
+#X obj 263 209 s NOTE;
+#X obj 613 209 s NOTE;
+#X msg 613 150 20002 0 0 1;
+#X msg 263 150 20001 0 0 1;
+#X obj 54 231 route 20001 20002;
+#X connect 0 0 1 0;
+#X connect 1 0 2 0;
+#X connect 1 1 3 0;
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-#X connect 29 0 27 0;
-#X coords 0 -1 1 1 110 170 1 130 220;
-#X restore 76 246 pd keyboard ctrlr;
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 #X connect 0 0 18 0;
 #X connect 1 0 0 1;
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 #X connect 25 0 28 0;
 #X connect 26 0 27 0;
 #X connect 27 0 25 0;
-#X connect 28 0 37 0;
+#X connect 28 0 36 0;
 #X connect 28 1 23 0;
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+#X connect 34 0 5 1;
 #X connect 35 0 5 1;
-#X connect 36 0 5 1;
-#X connect 37 0 23 0;
+#X connect 36 0 23 0;
diff --git a/puredata/pingpong.pd b/puredata/pingpong.pd
new file mode 100644
index 0000000..e214bac
--- /dev/null
+++ b/puredata/pingpong.pd
@@ -0,0 +1,239 @@
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diff --git a/puredata/poly.pd b/puredata/poly.pd
new file mode 100644
index 0000000..e1f0ef8
--- /dev/null
+++ b/puredata/poly.pd
@@ -0,0 +1,25 @@
+#N canvas 803 89 525 569 10;
+#X declare -path ofelia/abs;
+#X obj 18 64 ofWindow;
+#X obj 18 18 loadbang;
+#X obj 358 18 declare -path ofelia/abs;
+#X msg 18 41 setPosition 0 0 \, setSize 800 800 \, create;
+#X obj 18 98 ofDraw;
+#X floatatom 18 121 5 0 0 0 - - -;
+#X obj 18 143 max 3;
+#X obj 18 166 min 10;
+#X obj 18 220 ofelia f \; ofNoFill() \; local n = a \; local angleChangePerPt
+= OF_TWO_PI / n \; local radius = ofGetWidth()/2 - 10 \; local origx
+= ofGetWidth()/2 \; local origy = ofGetHeight()/2 \; local angle =
+-OF_TWO_PI / 4 \; ofSetHexColor(0xa16bca) \; ofBeginShape() \; for
+i = 0 \, n do \; local x = origx + radius * math.cos(angle) \; local
+y = origy + radius * math.sin(angle) \; ofVertex(x \, y) \; angle =
+angle + angleChangePerPt \; end \; ofEndShape() \;;
+#X floatatom 18 189 5 0 0 0 - - -;
+#X connect 1 0 3 0;
+#X connect 3 0 0 0;
+#X connect 4 0 5 0;
+#X connect 5 0 6 0;
+#X connect 6 0 7 0;
+#X connect 7 0 9 0;
+#X connect 9 0 8 0;
diff --git a/puredata/polygonexample.lua b/puredata/polygonexample.lua
new file mode 100644
index 0000000..1c424a2
--- /dev/null
+++ b/puredata/polygonexample.lua
@@ -0,0 +1,344 @@
+if type(window) ~= "userdata" then
+  window = ofWindow()
+end
+
+local clock = ofClock(this, "setup")
+local DV = class()
+function DV:__init(x, y)
+  self.x = x
+  self.y = y
+  self.bBeingDragged = false
+  self.bOver = false
+  self.radius = 4
+end
+local nCurveVertexes = 0
+local curveVertices = {}
+
+function M.new()
+  ofWindow.addListener("setup", this)
+  ofWindow.addListener("draw", this)
+  ofWindow.addListener("mouseMoved", this)
+  ofWindow.addListener("mouseDragged", this)
+  ofWindow.addListener("mousePressed", this)
+  ofWindow.addListener("mouseReleased", this)
+  window:setPosition(30, 100)
+  window:setSize(1024, 768)
+  if ofWindow.exists then
+    clock:delay(0)
+  else
+    window:create()
+  end
+end
+
+function M.free()
+  window:destroy()
+  ofWindow.removeListener("setup", this)
+  ofWindow.removeListener("draw", this)
+  ofWindow.removeListener("mouseMoved", this)
+  ofWindow.removeListener("mouseDragged", this)
+  ofWindow.removeListener("mousePressed", this)
+  ofWindow.removeListener("mouseReleased", this)
+end
+
+function M.setup()
+  ofSetWindowTitle("polygon example")
+  ofBackground(255, 255, 255, 255)
+  nCurveVertexes = 7
+  curveVertices = {DV(326, 209), DV(306, 279), DV(265, 331), DV(304, 383), DV(374, 383), DV(418, 209), DV(345, 279)}
+end
+
+function M.draw()
+  ofFill()
+
+--[[---------------------------------------------------------------
+draw a star
+use poly winding odd, the default rule
+--]]---------------------------------------------------------------
+  ofSetHexColor(0xe0be21)
+  ofSetPolyMode(OF_POLY_WINDING_ODD)
+  ofBeginShape()
+  ofVertex(200, 135)
+  ofVertex(15, 135)
+  ofVertex(165, 25)
+  ofVertex(105, 200)
+  ofVertex(50, 25)
+  ofEndShape()
+
+--[[---------------------------------------------------------------
+draw a star
+use poly winding nonzero
+--]]---------------------------------------------------------------
+  ofSetHexColor(0xb5de10)
+  ofSetPolyMode(OF_POLY_WINDING_NONZERO)
+  ofBeginShape()
+  ofVertex(400, 135)
+  ofVertex(215, 135)
+  ofVertex(365, 25)
+  ofVertex(305, 200)
+  ofVertex(250, 25)
+  ofEndShape()
+
+--[[---------------------------------------------------------------
+draw a star dynamically
+use the mouse position as a pct
+to calc nPoints and internal point radius
+--]]---------------------------------------------------------------
+  local xPct = ofGetMouseX() / ofGetWidth()
+  local yPct = ofGetMouseY() / ofGetHeight()
+  local nTips = 5 + xPct * 60
+  local nStarPts = math.min(nTips * 2, 100)
+  local angleChangePerPt = OF_TWO_PI / nStarPts
+  local innerRadius = 0 + yPct * 80
+  local outerRadius = 80
+  local origx = 525
+  local origy = 100
+  local angle = 0
+  ofSetHexColor(0xa16bca)
+  ofBeginShape()
+  for i = 0, nStarPts do
+    if i % 2 == 0 then
+      local x = origx + innerRadius * math.cos(angle)
+      local y = origy + innerRadius * math.sin(angle)
+      ofVertex(x, y)
+    else
+      local x = origx + outerRadius * math.cos(angle)
+      local y = origy + outerRadius * math.sin(angle)
+      ofVertex(x, y)
+    end
+    angle = angle + angleChangePerPt
+  end
+  ofEndShape()
+
+--[[---------------------------------------------------------------
+poylgon of random points
+lots of self intersection, 500 pts is a good stress test
+--]]---------------------------------------------------------------
+  ofSetHexColor(0x0cb0b6)
+  ofSetPolyMode(OF_POLY_WINDING_ODD)
+  ofBeginShape()
+  for i = 1, 10 do
+    ofVertex(ofRandom(650, 850), ofRandom(20, 200))
+  end
+  ofEndShape()
+
+--[[---------------------------------------------------------------
+use sin cos and time to make some spirally shape
+--]]---------------------------------------------------------------
+  ofPushMatrix()
+  ofTranslate(100, 300, 0)
+  ofSetHexColor(0xff2220)
+  ofFill()
+  ofSetPolyMode(OF_POLY_WINDING_ODD)
+  ofBeginShape()
+  local angleStep = OF_TWO_PI / (100 + math.sin(ofGetElapsedTimef() / 5) * 60)
+  local radiusAdder = 0.5
+  local radius = 0
+  for i = 1, 200 do
+    local anglef = (i) * angleStep
+    local x = radius * math.cos(anglef)
+    local y = radius * math.sin(anglef)
+    ofVertex(x, y)
+    radius = radius + radiusAdder
+  end
+  ofEndShape(OF_CLOSE)
+  ofPopMatrix()
+
+--[[---------------------------------------------------------------
+ofCurveVertex
+because it uses catmul rom splines, we need to repeat the first and last
+items so the curve actually goes through those points
+--]]---------------------------------------------------------------
+  ofSetHexColor(0x2bdbe6)
+  ofBeginShape()
+  for i = 1, nCurveVertexes do
+    if i == 1 then
+      ofCurveVertex(curveVertices[1].x, curveVertices[1].y)
+      ofCurveVertex(curveVertices[1].x, curveVertices[1].y)
+    elseif i == nCurveVertexes then
+      ofCurveVertex(curveVertices[i].x, curveVertices[i].y)
+      ofCurveVertex(curveVertices[1].x, curveVertices[1].y)
+      ofCurveVertex(curveVertices[1].x, curveVertices[1].y)
+    else
+      ofCurveVertex(curveVertices[i].x, curveVertices[i].y)
+    end
+  end
+  ofEndShape()
+  ofEnableAlphaBlending()
+  ofNoFill()
+  ofSetColor(0, 0, 0, 40)
+  ofBeginShape()
+  for i = 1, nCurveVertexes do
+    ofVertex(curveVertices[i].x, curveVertices[i].y)
+  end
+  ofEndShape(true)
+  ofSetColor(0, 0, 0, 80)
+  for i = 1, nCurveVertexes do
+    if curveVertices[i].bOver == true then
+      ofFill()
+    else
+      ofNoFill()
+    end
+    ofDrawCircle(curveVertices[i].x, curveVertices[i].y, 4)
+  end
+  ofDisableAlphaBlending()
+
+--[[---------------------------------------------------------------
+ofBezierVertex
+with ofBezierVertex we can draw a curve from the current vertex
+through the the next three vertexes we pass in.
+(two control points and the final bezier point)
+--]]---------------------------------------------------------------
+  local x0 = 500
+  local y0 = 300
+  local x1 = 550 + 50 * math.cos(ofGetElapsedTimef() * 1.0)
+  local y1 = 300 + 100 * math.sin(ofGetElapsedTimef() / 3.5)
+  local x2 = 600 + 30 * math.cos(ofGetElapsedTimef() * 2.0)
+  local y2 = 300 + 100 * math.sin(ofGetElapsedTimef())
+  local x3 = 650
+  local y3 = 300
+  ofFill()
+  ofSetHexColor(0xFF9933)
+  ofBeginShape()
+  ofVertex(x0, y0)
+  ofBezierVertex(x1, y1, x2, y2, x3, y3)
+  ofEndShape()
+  ofEnableAlphaBlending()
+  ofFill()
+  ofSetColor(0, 0, 0, 40)
+  ofDrawCircle(x0, y0, 4)
+  ofDrawCircle(x1, y1, 4)
+  ofDrawCircle(x2, y2, 4)
+  ofDrawCircle(x3, y3, 4)
+  ofDisableAlphaBlending()
+
+--[[---------------------------------------------------------------
+holes / ofNextContour
+with ofNextContour we can create multi-contour shapes
+this allows us to draw holes, for example...
+--]]---------------------------------------------------------------
+  ofFill()
+  ofSetHexColor(0xd3ffd3)
+  ofDrawRectangle(80, 480, 140, 70)
+  ofSetHexColor(0xff00ff)
+  ofBeginShape()
+  ofVertex(100, 500)
+  ofVertex(180, 550)
+  ofVertex(100, 600)
+  ofNextContour(true)
+  ofVertex(120, 520)
+  ofVertex(160, 550)
+  ofVertex(120, 580)
+  ofEndShape(true)
+
+--[[---------------------------------------------------------------
+CSG / ofNextContour
+with different winding rules, you can even use ofNextContour to
+perform constructive solid geometry
+--]]---------------------------------------------------------------
+  ofNoFill()
+  ofPushMatrix()
+  ofSetPolyMode(OF_POLY_WINDING_ODD)
+  ofBeginShape()
+  ofVertex(300, 500)
+  ofVertex(380, 550)
+  ofVertex(300, 600)
+  ofNextContour(true)
+  for i = 1, 20 do
+    local anglef = (i / 19.0) * OF_TWO_PI
+    local x = 340 + 30 * math.cos(anglef)
+    local y = 550 + 30 * math.sin(anglef)
+    ofVertex(x, y)
+    radius = radius + radiusAdder
+  end
+  ofEndShape(true)
+  ofTranslate(100, 0, 0)
+  ofSetPolyMode(OF_POLY_WINDING_NONZERO)
+  ofBeginShape()
+  ofVertex(300, 500)
+  ofVertex(380, 550)
+  ofVertex(300, 600)
+  ofNextContour(true)
+  for i = 1, 20 do
+    local anglef = (i / 19.0) * OF_TWO_PI
+    local x = 340 + 30 * math.cos(anglef)
+    local y = 550 + 30 * math.sin(anglef)
+    ofVertex(x, y)
+    radius = radius + radiusAdder
+  end
+  ofEndShape(true)
+  ofTranslate(100, 0, 0)
+  ofSetPolyMode(OF_POLY_WINDING_ABS_GEQ_TWO)
+  ofBeginShape()
+  ofVertex(300, 500)
+  ofVertex(380, 550)
+  ofVertex(300, 600)
+  ofNextContour(true)
+  for i = 1, 20 do
+    local anglef = (i / 19.0) * OF_TWO_PI
+    local x = 340 + 30 * math.cos(anglef)
+    local y = 550 + 30 * math.sin(anglef)
+    ofVertex(x, y)
+    radius = radius + radiusAdder
+  end
+  ofEndShape(true)
+  ofPopMatrix()
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(a) star"..string.char(10).."winding rule odd", 20, 210)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(b) star"..string.char(10).."winding rule nonzero", 220, 210)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(c) dynamically"..string.char(10).."created shape", 420, 210)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(d) random points"..string.char(10).."poly", 670, 210)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(e) fun with sin/cos", 20, 410)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(f) ofCurveVertex"..string.char(10).."uses catmull rom"..string.char(10).."to make curved shapes", 220, 410)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(g) ofBezierVertex"..string.char(10).."uses bezier to draw curves", 460, 410)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(h) ofNextContour"..string.char(10).."allows for holes", 20, 610)
+  ofSetHexColor(0x000000)
+  ofDrawBitmapString("(i) ofNextContour"..string.char(10).."can even be used for CSG operations"..string.char(10).."such as union and intersection", 260, 620)
+end
+
+function M.mouseMoved(e)
+  for i = 1, nCurveVertexes do
+    local diffx = e.x - curveVertices[i].x
+    local diffy = e.y - curveVertices[i].y
+    local dist = math.sqrt(diffx * diffx + diffy * diffy)
+    if dist < curveVertices[i].radius then
+      curveVertices[i].bOver = true
+    else
+      curveVertices[i].bOver = false
+    end
+  end
+end
+
+function M.mouseDragged(e)
+  for i = 1, nCurveVertexes do
+    if curveVertices[i].bBeingDragged == true then
+      curveVertices[i].x = e.x
+      curveVertices[i].y = e.y
+    end
+  end
+end
+
+function M.mousePressed(e)
+  for i = 1, nCurveVertexes do
+    local diffx = e.x - curveVertices[i].x
+    local diffy = e.y - curveVertices[i].y
+    local dist = math.sqrt(diffx * diffx + diffy * diffy)
+    if dist < curveVertices[i].radius then
+      curveVertices[i].bBeingDragged = true
+    else
+      curveVertices[i].bBeingDragged = false
+    end
+  end
+end
+
+function M.mouseReleased(e)
+  for i = 1, nCurveVertexes do
+    curveVertices[i].bBeingDragged = false
+  end
+end
diff --git a/puredata/riff.pd b/puredata/riff.pd
index bb08379..8d59029 100644
--- a/puredata/riff.pd
+++ b/puredata/riff.pd
@@ -1,14 +1,14 @@
-#N canvas 255 324 509 358 12;
-#X obj 193 94 f;
-#X obj 229 94 + 1;
-#X floatatom 193 144 5 0 0 0 - - -;
-#X floatatom 193 193 5 0 0 0 - - -;
-#X floatatom 193 242 5 0 0 0 - - -;
-#X obj 28 66 hsl 110 20 0 1600 0 0 empty \$0-val empty -2 -8 0 10 -262130
+#N canvas 255 324 509 414 12;
+#X obj 193 118 f;
+#X obj 229 118 + 1;
+#X floatatom 193 168 5 0 0 0 - - -;
+#X floatatom 193 217 5 0 0 0 - - -;
+#X floatatom 193 266 5 0 0 0 - - -;
+#X obj 28 66 hsl 110 20 0 300 0 0 empty \$0-val empty -2 -8 0 10 -262130
 -1 -1 0 1;
 #X obj 193 18 inlet;
-#X obj 399 98 inlet;
-#X obj 193 71 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
+#X obj 399 122 inlet;
+#X obj 193 95 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144 -1
 -1;
 #X obj 54 148 loadbang;
 #X msg 54 198 range 0 \$1;
@@ -16,52 +16,56 @@
 -1;
 #X floatatom 142 41 3 0 0 0 i #0-i -;
 #X floatatom 50 91 7 0 0 0 val #0-val -;
-#X obj 417 130 loadbang;
-#X floatatom 298 100 5 0 0 0 - - -;
-#X obj 193 119 mod;
-#X obj 412 282 outlet;
-#X obj 315 179 pack f f f f;
+#X obj 417 154 loadbang;
+#X floatatom 298 124 5 0 0 0 - - -;
+#X obj 193 143 mod;
+#X obj 412 306 outlet;
+#X obj 315 203 pack f f f f;
 #X floatatom 129 91 5 0 0 0 key #0-key -;
-#X obj 315 282 outlet;
+#X obj 315 306 outlet;
 #X obj 275 18 inlet;
-#X obj 193 168 tabread;
-#X obj 417 159 f \$2;
-#X obj 193 217 * \$1;
-#X obj 298 75 array size;
-#X msg 275 130 set \$1;
+#X obj 193 192 tabread;
+#X obj 417 183 f \$2;
+#X obj 193 241 * \$1;
+#X obj 298 99 array size;
+#X msg 275 154 set \$1;
 #X obj 54 173 f \$1;
-#X obj 342 148 inlet;
-#X obj 275 44 t a b a;
-#X obj 225 291 s \$0-val;
-#X obj 412 251 r \$0-val;
+#X obj 342 172 inlet;
+#X obj 275 68 t a b a;
+#X obj 225 315 s \$0-val;
+#X obj 412 275 r \$0-val;
 #X text 201 38 1-bng;
 #X text 321 18 2-array name;
-#X text 341 125 3-key;
-#X text 400 74 4-onoff;
-#X text 314 305 1#msg;
-#X text 414 305 2#val;
+#X text 341 149 3-key;
+#X text 400 98 4-onoff;
+#X text 314 329 1#msg;
 #X obj 145 66 tgl 20 0 empty \$0-onoff empty 17 7 0 8 -257985 -1 -1
 0 1;
-#X obj 249 168 s \$0-key;
-#X obj 415 44 s \$0-onoff;
+#X obj 249 192 s \$0-key;
+#X obj 415 68 s \$0-onoff;
 #X symbolatom 42 41 12 0 0 0 - - -;
 #X msg 18 254 symbol no-array;
 #X obj 18 229 loadbang;
-#X obj 345 38 s \$0-an;
+#X obj 426 43 s \$0-an;
 #X obj 119 288 r \$0-an;
-#X msg 315 220 \$4 \$2 \$1 \$3;
-#X obj 136 144 s \$0-i;
-#X obj 193 266 t a a;
+#X msg 315 244 \$4 \$2 \$1 \$3;
+#X obj 136 168 s \$0-i;
+#X obj 193 290 t a a;
+#X obj 364 342 outlet;
+#X obj 364 275 r \$0-i;
+#X text 414 329 3#val;
+#X text 358 360 2#idx;
+#X obj 275 43 list split 1;
 #X connect 0 0 1 0;
 #X connect 0 0 16 0;
 #X connect 1 0 0 1;
 #X connect 2 0 22 0;
-#X connect 2 0 47 0;
+#X connect 2 0 46 0;
 #X connect 3 0 24 0;
-#X connect 4 0 48 0;
+#X connect 4 0 47 0;
 #X connect 6 0 8 0;
 #X connect 7 0 18 2;
-#X connect 7 0 40 0;
+#X connect 7 0 39 0;
 #X connect 8 0 0 0;
 #X connect 8 0 11 0;
 #X connect 9 0 27 0;
@@ -69,9 +73,8 @@
 #X connect 14 0 23 0;
 #X connect 15 0 16 1;
 #X connect 16 0 2 0;
-#X connect 18 0 46 0;
-#X connect 21 0 29 0;
-#X connect 21 0 44 0;
+#X connect 18 0 45 0;
+#X connect 21 0 52 0;
 #X connect 22 0 3 0;
 #X connect 23 0 18 3;
 #X connect 24 0 4 0;
@@ -79,15 +82,18 @@
 #X connect 26 0 22 0;
 #X connect 27 0 10 0;
 #X connect 28 0 18 1;
-#X connect 28 0 39 0;
+#X connect 28 0 38 0;
 #X connect 29 0 26 0;
 #X connect 29 1 25 0;
 #X connect 29 2 25 1;
 #X connect 31 0 17 0;
+#X connect 41 0 40 0;
 #X connect 42 0 41 0;
-#X connect 43 0 42 0;
-#X connect 45 0 41 0;
-#X connect 46 0 20 0;
-#X connect 48 0 18 0;
-#X connect 48 1 30 0;
+#X connect 44 0 40 0;
+#X connect 45 0 20 0;
+#X connect 47 0 18 0;
+#X connect 47 1 30 0;
+#X connect 49 0 48 0;
+#X connect 52 0 43 0;
+#X connect 52 0 29 0;
 #X coords 0 -1 1 1 150 95 1 20 20;
diff --git a/puredata/riff1.pd b/puredata/riff1.pd
new file mode 100644
index 0000000..0a96460
--- /dev/null
+++ b/puredata/riff1.pd
@@ -0,0 +1,117 @@
+#N canvas 355 364 551 449 12;
+#X floatatom 193 170 5 0 0 0 - - -;
+#X floatatom 193 239 5 0 0 0 - - -;
+#X floatatom 193 288 5 0 0 0 - - -;
+#X obj 28 66 hsl 110 20 0 800 0 0 empty \$0-val empty -2 -8 0 10 -262130
+-1 -1 4049 1;
+#X obj 193 18 inlet;
+#X obj 157 144 bng 15 250 50 0 empty empty empty 17 7 0 10 -262144
+-1 -1;
+#X obj 54 148 loadbang;
+#X msg 54 198 range 0 \$1;
+#X obj 25 41 bng 14 250 50 0 empty empty empty 17 7 0 10 -4034 -261234
+-1;
+#X floatatom 142 41 3 0 0 0 i #0-i -;
+#X floatatom 50 91 7 0 0 0 val #0-val -;
+#X obj 426 192 loadbang;
+#X floatatom 369 124 5 0 0 0 - - -;
+#X obj 421 344 outlet;
+#X obj 324 241 pack f f f f;
+#X floatatom 129 91 5 0 0 0 key #0-key -;
+#X obj 324 344 outlet;
+#X obj 346 18 inlet;
+#X obj 193 214 tabread;
+#X obj 426 221 f \$2;
+#X obj 193 263 * \$1;
+#X obj 369 99 array size;
+#X msg 346 154 set \$1;
+#X obj 54 173 f \$1;
+#X obj 351 210 inlet;
+#X obj 346 68 t a b a;
+#X obj 225 337 s \$0-val;
+#X obj 421 313 r \$0-val;
+#X text 392 18 2-array name;
+#X text 350 187 3-key;
+#X text 323 367 1#msg;
+#X obj 145 66 tgl 20 0 empty \$0-onoff empty 17 7 0 8 -257985 -1 -1
+1 1;
+#X obj 249 214 s \$0-key;
+#X obj 453 112 s \$0-onoff;
+#X symbolatom 42 41 12 0 0 0 - - -;
+#X msg 18 254 symbol no-array;
+#X obj 18 229 loadbang;
+#X obj 451 63 s \$0-an;
+#X obj 119 288 r \$0-an;
+#X msg 324 282 \$4 \$2 \$1 \$3;
+#X obj 136 170 s \$0-i;
+#X obj 193 312 t a a;
+#X obj 373 380 outlet;
+#X obj 373 313 r \$0-i;
+#X text 423 367 3#val;
+#X text 367 398 2#idx;
+#X obj 346 43 list split 1;
+#X obj 193 120 f;
+#X text 201 38 1-cmd for scan;
+#X obj 193 65 route bang;
+#X obj 260 90 route 0;
+#X msg 260 115 0;
+#X obj 193 145 scan \$3;
+#X obj 193 92 t b b;
+#X msg 426 167 1;
+#X obj 257 145 t b b;
+#X msg 426 142 0;
+#X obj 257 170 del \$3;
+#X obj 483 313 outlet;
+#X text 483 335 4#done;
+#X connect 0 0 18 0;
+#X connect 0 0 40 0;
+#X connect 0 0 5 0;
+#X connect 1 0 20 0;
+#X connect 2 0 41 0;
+#X connect 4 0 49 0;
+#X connect 5 0 8 0;
+#X connect 6 0 23 0;
+#X connect 7 0 3 0;
+#X connect 11 0 19 0;
+#X connect 12 0 47 1;
+#X connect 14 0 39 0;
+#X connect 17 0 46 0;
+#X connect 18 0 1 0;
+#X connect 19 0 14 3;
+#X connect 20 0 2 0;
+#X connect 21 0 12 0;
+#X connect 22 0 18 0;
+#X connect 23 0 7 0;
+#X connect 24 0 14 1;
+#X connect 24 0 32 0;
+#X connect 25 0 22 0;
+#X connect 25 1 21 0;
+#X connect 25 2 21 1;
+#X connect 27 0 13 0;
+#X connect 35 0 34 0;
+#X connect 36 0 35 0;
+#X connect 38 0 34 0;
+#X connect 39 0 16 0;
+#X connect 41 0 14 0;
+#X connect 41 1 26 0;
+#X connect 43 0 42 0;
+#X connect 46 0 37 0;
+#X connect 46 0 25 0;
+#X connect 47 0 52 0;
+#X connect 49 0 53 0;
+#X connect 49 1 50 0;
+#X connect 50 0 51 0;
+#X connect 51 0 52 0;
+#X connect 52 0 0 0;
+#X connect 52 1 55 0;
+#X connect 53 0 47 0;
+#X connect 53 1 54 0;
+#X connect 54 0 14 2;
+#X connect 54 0 33 0;
+#X connect 55 0 57 0;
+#X connect 55 1 56 0;
+#X connect 56 0 14 2;
+#X connect 56 0 33 0;
+#X connect 57 0 14 0;
+#X connect 57 0 58 0;
+#X coords 0 -1 1 1 150 95 1 20 20;
diff --git a/puredata/scan-help.pd b/puredata/scan-help.pd
new file mode 100644
index 0000000..60b157b
--- /dev/null
+++ b/puredata/scan-help.pd
@@ -0,0 +1,20 @@
+#N canvas 630 384 450 300 12;
+#X floatatom 120 194 5 0 0 0 - - -;
+#X obj 120 224 print;
+#X floatatom 120 73 5 0 0 1 scan_target - -;
+#X msg 120 48 100;
+#X floatatom 193 144 5 0 0 1 delay_amount_(ms) - -;
+#X obj 120 163 scan 100;
+#X msg 140 109 0;
+#X text 174 109 if <= 0 \, stop immediately;
+#X obj 173 198 bng 15 250 50 0 empty empty done! 17 7 0 10 -262144
+-1 -1;
+#X obj 173 224 print done;
+#X connect 0 0 1 0;
+#X connect 2 0 5 0;
+#X connect 3 0 2 0;
+#X connect 4 0 5 1;
+#X connect 5 0 0 0;
+#X connect 5 1 8 0;
+#X connect 6 0 5 0;
+#X connect 8 0 9 0;
diff --git a/puredata/scan.pd b/puredata/scan.pd
new file mode 100644
index 0000000..5bd2316
--- /dev/null
+++ b/puredata/scan.pd
@@ -0,0 +1,58 @@
+#N canvas 136 328 385 426 12;
+#X obj 120 295 f;
+#X obj 84 295 + 1;
+#X obj 218 270 sel 1;
+#X msg 138 270 0;
+#X obj 218 245 ==;
+#X obj 236 195 - 1;
+#X obj 39 71 inlet;
+#X msg 179 215 0;
+#X msg 106 214 1;
+#X obj 106 245 metro \$1;
+#X obj 106 155 t b b a;
+#X msg 39 215 0;
+#X obj 236 220 max 0;
+#X text 5 4 <<<;
+#X text 345 4 >>>;
+#X text 5 394 <<<;
+#X text 345 394 >>>;
+#X text 39 22 generate numbers from 0 to given (inlet-1);
+#X text 39 38 argument: delay amount (ms) between counts;
+#X text 84 72 1-command:;
+#X text 124 88 - number-> target value;
+#X obj 169 134 inlet;
+#X text 211 134 2-delay amount (ms);
+#X text 124 102 - if <= 0 \, stop immediately;
+#X obj 39 125 moses 1;
+#X obj 278 315 outlet;
+#X text 278 294 2#end bng;
+#X msg 39 240 bang;
+#X obj 120 320 t a a;
+#X floatatom 152 345 5 0 0 0 - - -;
+#X obj 152 369 outlet;
+#X text 202 369 1#values;
+#X connect 0 0 1 0;
+#X connect 0 0 28 0;
+#X connect 1 0 0 1;
+#X connect 2 0 7 0;
+#X connect 2 0 25 0;
+#X connect 3 0 0 1;
+#X connect 4 0 2 0;
+#X connect 5 0 12 0;
+#X connect 6 0 24 0;
+#X connect 7 0 9 0;
+#X connect 8 0 9 0;
+#X connect 9 0 0 0;
+#X connect 10 0 8 0;
+#X connect 10 1 3 0;
+#X connect 10 2 5 0;
+#X connect 11 0 9 0;
+#X connect 11 0 27 0;
+#X connect 12 0 4 1;
+#X connect 21 0 9 1;
+#X connect 24 0 11 0;
+#X connect 24 1 10 0;
+#X connect 27 0 25 0;
+#X connect 28 0 4 0;
+#X connect 28 1 29 0;
+#X connect 29 0 30 0;
diff --git a/puredata/star.lua b/puredata/star.lua
new file mode 100644
index 0000000..716adb7
--- /dev/null
+++ b/puredata/star.lua
@@ -0,0 +1,72 @@
+if type(window) ~= "userdata" then
+  window = ofWindow()
+end
+
+local clock = ofClock(this, "setup")
+local DV = class()
+function DV:__init(x, y)
+  self.x = x
+  self.y = y
+  self.bBeingDragged = false
+  self.bOver = false
+  self.radius = 4
+end
+local nCurveVertexes = 0
+local curveVertices = {}
+
+function M.new()
+  ofWindow.addListener("setup", this)
+  ofWindow.addListener("draw", this)
+  ofWindow.addListener("mouseMoved", this)
+  ofWindow.addListener("mouseDragged", this)
+  ofWindow.addListener("mousePressed", this)
+  ofWindow.addListener("mouseReleased", this)
+  window:setPosition(30, 100)
+  window:setSize(1024, 768)
+  if ofWindow.exists then
+    clock:delay(0)
+  else
+    window:create()
+  end
+end
+
+function M.free()
+  window:destroy()
+  ofWindow.removeListener("setup", this)
+  ofWindow.removeListener("draw", this)
+  ofWindow.removeListener("mouseMoved", this)
+  ofWindow.removeListener("mouseDragged", this)
+  ofWindow.removeListener("mousePressed", this)
+  ofWindow.removeListener("mouseReleased", this)
+end
+
+function M.setup()
+  ofSetWindowTitle("polygon example")
+  ofBackground(255, 255, 255, 255)
+  nCurveVertexes = 7
+  curveVertices = {DV(326, 209), DV(306, 279), DV(265, 331), DV(304, 383), DV(374, 383), DV(418, 209), DV(345, 279)}
+end
+
+function M.draw()
+  ofFill()
+
+--[[---------------------------------------------------------------
+draw a star dynamically
+use the mouse position as a pct
+to calc nPoints and internal point radius
+--]]---------------------------------------------------------------
+  local angleChangePerPt = OF_TWO_PI / 3
+  local radius = 80
+  local origx = 525
+  local origy = 100
+  local angle = 0
+  ofSetHexColor(0xa16bca)
+  ofBeginShape()
+  for i = 0, 3 do
+      local x = origx + radius * math.cos(angle)
+      local y = origy + radius * math.sin(angle)
+      ofVertex(x, y)
+    angle = angle + angleChangePerPt
+  end
+  ofEndShape()
+end
diff --git a/roller/src/main.cpp b/roller/src/main.cpp
index f625371..dff5f77 100644
--- a/roller/src/main.cpp
+++ b/roller/src/main.cpp
@@ -21,7 +21,7 @@
 //============<identities>============
 //
 #define MY_GROUP_ID   (4000)
-#define MY_ID         (MY_GROUP_ID + 1)
+#define MY_ID         (MY_GROUP_ID + 702)
 #define MY_SIGN       ("ROLLER")
 //
 //============</identities>============