From 298b33b0fe4eaa6598ef65f9b973c87da344819d Mon Sep 17 00:00:00 2001
From: cnlohr <lohr85@gmail.com>
Date: Fri, 9 Nov 2018 07:02:53 -0500
Subject: [PATCH] Update with dodecahedron visualization

---
 colorchord2/DisplayNetwork.c  |  2 +-
 colorchord2/OutputCells.c     | 27 ++++++++++++++++++++++++---
 colorchord2/dodecahedron.conf | 35 +++++++++++++++++++++++++++++++++++
 3 files changed, 60 insertions(+), 4 deletions(-)
 create mode 100644 colorchord2/dodecahedron.conf

diff --git a/colorchord2/DisplayNetwork.c b/colorchord2/DisplayNetwork.c
index b30ac5d..3471ce2 100644
--- a/colorchord2/DisplayNetwork.c
+++ b/colorchord2/DisplayNetwork.c
@@ -23,7 +23,7 @@
 #include <netdb.h>
 #endif
 
-#define MAX_BUFFER 1487
+#define MAX_BUFFER 1487*2
 
 struct DPODriver
 {
diff --git a/colorchord2/OutputCells.c b/colorchord2/OutputCells.c
index 4f5bee6..3e75392 100644
--- a/colorchord2/OutputCells.c
+++ b/colorchord2/OutputCells.c
@@ -31,8 +31,9 @@ struct CellsOutDriver
 	float satamp;
 	float qtyamp;
 	int steady_bright;
-	int lastadvance;
 	int timebased; //Useful for pies, turn off for linear systems.
+	int snakey; //Advance head for where to get LEDs around.
+	int snakeyplace;
 };
 
 static void LEDUpdate(void * id, struct NoteFinder*nf)
@@ -130,9 +131,24 @@ static void LEDUpdate(void * id, struct NoteFinder*nf)
 			{
 				if( led->led_note_attached[j] != -1 ) continue;
 				if( !led->timebased ) { selindex = j; break; }
-				if( led->time_of_change[j] < seltime )
+
+				float bias = 0;
+				float timeimp = 1;
+				if( led->snakey )
 				{
-					seltime = led->time_of_change[j];
+//					bias = (j - led->snakeyplace + led->total_leds+(rand()%100)*.01);
+//					if( bias > led->total_leds ) bias -= led->total_leds;
+
+					bias = (j - led->snakeyplace + led->total_leds) % led->total_leds;
+
+					if( bias > led->total_leds / 2 ) bias = led->total_leds - bias + 1;
+					timeimp = 0;
+				}
+
+				float score = led->time_of_change[j] * timeimp + bias;
+				if( score < seltime )
+				{
+					seltime = score;
 					selindex = j;
 				}
 			}
@@ -140,6 +156,7 @@ static void LEDUpdate(void * id, struct NoteFinder*nf)
 			{
 				led->led_note_attached[selindex] = i;
 				led->time_of_change[selindex] = Now;
+				led->snakeyplace = selindex;
 			}
 			qtyDiff[i]--;
 		}
@@ -182,6 +199,10 @@ static void LEDParams(void * id )
 	led->qtyamp = 20;		RegisterValue( "qtyamp", PAFLOAT, &led->qtyamp, sizeof( led->qtyamp ) );
 	led->timebased = 1;		RegisterValue( "timebased", PAINT, &led->timebased, sizeof( led->timebased ) );
 
+	led->snakey = 0;		RegisterValue( "snakey", PAINT, &led->snakey, sizeof( led->snakey ) );
+
+	led->snakeyplace = 0;
+
 	printf( "Found LEDs for output.  leds=%d\n", led->total_leds );
 
 }
diff --git a/colorchord2/dodecahedron.conf b/colorchord2/dodecahedron.conf
new file mode 100644
index 0000000..6e4eee2
--- /dev/null
+++ b/colorchord2/dodecahedron.conf
@@ -0,0 +1,35 @@
+outdrivers = DisplayNetwork, DisplayArray,   OutputCells#OutputLinear
+leds = 540
+light_siding = 1.0  #Turn this to ~1.9 for more uniformity, ~1.0 for less.
+satamp = 1.600
+is_loop=1
+led_floor = .1  #Turn to .25 for more uniformity, .1 for less.
+
+steady_bright = 0
+
+rgby = 1
+sourcename = alsa_output.pci-0000_00_1f.3.analog-stereo.monitor
+#alsa_output.pci-0000_01_00.1.hdmi-stereo.monitor
+# alsa_output.pci-0000_01_00.1.hdmi-stereo-extra1.monitor
+#alsa_output.pci-0000_00_1f.3.analog-stereo.monitor
+skipfirst = 0
+firstval = 0
+port = 7777
+
+address = 192.168.3.192
+
+slope=.10
+amplify=.5
+
+qtyamp=50
+timebased=1
+
+
+lightx = 30
+lighty = 18
+snakey = 1
+note_attach_amp_iir = 0.3500
+note_attach_amp_iir2 = 0.250
+note_attach_freq_iir = 0.3000
+
+