For the fill_raw functions for all of 8bit, 16bit, and 16bit into 8 bit, shift the centerpoint of the noise function from 127/32767 to 0. For the fill_noise functions this will result in the colors centering on reds instead of blues

1 files changed, 18 insertions, 23 deletions

diff --git a/examples/NoisePlayground/NoisePlayground.ino b/examples/NoisePlayground/NoisePlayground.ino
index f3cd7f9e..35890146 100644
--- a/examples/NoisePlayground/NoisePlayground.ino
+++ b/examples/NoisePlayground/NoisePlayground.ino
@@ -1,48 +1,45 @@
 #include <FastLED.h>
 
-#define kMatrixWidth  8
-#define kMatrixHeight 5
+#define kMatrixWidth  16
+#define kMatrixHeight 16
 
 #define NUM_LEDS (kMatrixWidth * kMatrixHeight)
 // Param for different pixel layouts
-#define kMatrixSerpentineLayout  false
+#define kMatrixSerpentineLayout  true
 
 // led array
 CRGB leds[kMatrixWidth * kMatrixHeight];
 
 // x,y, & time values
-uint32_t x,y,v_time,hue_time;
+uint32_t x,y,v_time,hue_time,hxy;
 
 // Play with the values of the variables below and see what kinds of effects they
 // have!  More octaves will make things slower.
 
 // how many octaves to use for the brightness and hue functions
-uint8_t octaves=3;
+uint8_t octaves=1;
 uint8_t hue_octaves=3;
 
 // the 'distance' between points on the x and y axis
-int xscale=3311;
-int yscale=3311;
+int xscale=57771;
+int yscale=57771;
 
 // the 'distance' between x/y points for the hue noise
 int hue_scale=1;
 
 // how fast we move through time & hue noise
-int time_speed=5101;
-int hue_speed=1;
+int time_speed=1111;
+int hue_speed=31;
 
 // adjust these values to move along the x or y axis between frames
-int x_speed=0;
-int y_speed=0;
+int x_speed=331;
+int y_speed=1111;
 
 void loop() {
   // fill the led array 2/16-bit noise values
   fill_2dnoise16(LEDS.leds(), kMatrixWidth, kMatrixHeight, kMatrixSerpentineLayout,
                 octaves,x,xscale,y,yscale,v_time,
-                hue_octaves,x,hue_scale,y,hue_scale,hue_time, false);
- static byte beacon = 0;
- beacon++;
- leds[0] = CHSV( beacon, 255, 255);
+                hue_octaves,hxy,hue_scale,hxy,hue_scale,hue_time, false);
 
   LEDS.show();
   LEDS.countFPS();
@@ -58,7 +55,7 @@ void loop() {
 
 void setup() {
   // initialize the x/y and time values
-  random16_set_seed(18934);
+  random16_set_seed(8934);
   random16_add_entropy(analogRead(3));
 
   Serial.begin(57600);
@@ -68,12 +65,10 @@ void setup() {
   LEDS.addLeds<WS2811,6,GRB>(leds,NUM_LEDS);
   LEDS.setBrightness(96);
 
-  // x = (uint32_t)((uint32_t)random16() << 16) | random16();
-  // y = (uint32_t)((uint32_t)random16() << 16) | random16();
-  // v_time = (uint32_t)((uint32_t)random16() << 16) | random16();
-  x = 1;
-  y = 1;
-  v_time = 1;
-  hue_time = (uint32_t)((uint32_t)random16() << 16) | random16();
+  hxy = (uint32_t)((uint32_t)random16() << 16) + (uint32_t)random16();
+  x = (uint32_t)((uint32_t)random16() << 16) + (uint32_t)random16();
+  y = (uint32_t)((uint32_t)random16() << 16) + (uint32_t)random16();
+  v_time = (uint32_t)((uint32_t)random16() << 16) + (uint32_t)random16();
+  hue_time = (uint32_t)((uint32_t)random16() << 16) + (uint32_t)random16();
 
 }