1 files changed, 27 insertions, 0 deletions
diff --git a/externals/gridflow/doc/flow_classes/pingpong-help.pd b/externals/gridflow/doc/flow_classes/pingpong-help.pd
new file mode 100644
index 00000000..17b44f36
--- /dev/null
+++ b/externals/gridflow/doc/flow_classes/pingpong-help.pd
@@ -0,0 +1,27 @@
+#N canvas 680 0 632 383 10;
+#X obj 0 0 doc_h;
+#X obj 3 294 doc_o 1;
+#X text 148 44 Transforms linear counting (0 \, 1 \, 2 \, 3 \, 4 \,
+...) into a back-and-forth counting (0 \, 1 \, 2 \, 1 \, 0 \, ...)
+from 0 to a specified upper bound.;
+#X obj 34 47 pingpong;
+#X obj 14 324 doc_oo 0;
+#X obj 3 109 doc_c 1;
+#X obj 3 171 doc_i 2;
+#X obj 14 139 doc_cc 0;
+#X obj 14 201 doc_ii 0;
+#X obj 14 262 doc_ii 1;
+#X obj 97 139 doc_m c0 float;
+#X obj 97 262 doc_m i1 float;
+#X text 232 262 same as arg 0;
+#X text 232 139 "top";
+#X obj 97 201 doc_m i0 float;
+#X text 232 201 a value to be transformed. If \, for example \, top=10
+\, then values 0 thru 10 are left unchanged \, values 11 thru 19 are
+mapped to 9 thru 1 respectively \, and 20 thru 30 are mapped to 0 thru
+10 \, and so on.;
+#X obj 97 324 doc_m o0 float;
+#X obj 0 354 doc_f;
+#X connect 10 1 13 0;
+#X connect 11 1 12 0;
+#X connect 14 1 15 0;