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#include <FastLED.h>
// Params for width and height
const uint8_t kMatrixWidth = 16;
const uint8_t kMatrixHeight = 16;
#define NUM_LEDS (kMatrixWidth * kMatrixHeight)
// Param for different pixel layouts
#define kMatrixSerpentineLayout true
// led array
CRGB leds[kMatrixWidth * kMatrixHeight];
// x,y, & time values
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=1;
uint8_t hue_octaves=3;
// the 'distance' between points on the x and y axis
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=1111;
int hue_speed=31;
// adjust these values to move along the x or y axis between frames
int x_speed=331;
int y_speed=1111;
void loop() {
// fill the led array 2/16-bit noise values
fill_2dnoise16(leds, kMatrixWidth, kMatrixHeight, kMatrixSerpentineLayout,
octaves,x,xscale,y,yscale,v_time,
hue_octaves,hxy,hue_scale,hxy,hue_scale,hue_time, false);
FastLED.show();
// adjust the intra-frame time values
x += x_speed;
y += y_speed;
v_time += time_speed;
hue_time += hue_speed;
// delay(50);
}
void setup() {
// initialize the x/y and time values
random16_set_seed(8934);
random16_add_entropy(analogRead(3));
Serial.begin(57600);
Serial.println("resetting!");
delay(3000);
FastLED.addLeds<WS2811,2,GRB>(leds,NUM_LEDS);
FastLED.setBrightness(96);
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();
}
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