StefanPetrick

#include "FastLED.h"

#define NUM_LEDS 144

// have 3 independent CRGBs - 2 for the sources and one for the output
CRGB leds[NUM_LEDS];
CRGB leds2[NUM_LEDS];
CRGB leds3[NUM_LEDS];

void setup() {

StefanPetrick

void noise_noise1() {

  CRGBPalette16 Pal( pit );

/* here is how the palette looks like:
DEFINE_GRADIENT_PALETTE( pit ) {
  0,     3,   3,   3,
  64,   13,   13, 255,  // blue
  128,   3,   3,   3,
  192, 255, 130,   3,   // orange

StefanPetrick

#include "FastLED.h"

// matrix size
uint8_t Width  = 16;
uint8_t Height = 16;
uint8_t CentreX =  (Width / 2) - 1;
uint8_t CentreY = (Height / 2) - 1;

// NUM_LEDS = Width * Height
#define NUM_LEDS      256

StefanPetrick

/*

  FastLED Fire 2018 by Stefan Petrick

  The visual effect highly depends on the framerate.
  In the Youtube video it runs at arround 70 fps.
  https://www.youtube.com/watch?v=SWMu-a9pbyk

  The heatmap movement is independend from the framerate.
  The actual scaling operation is not.

StefanPetrick

// Polar basics demo for the 
// FastLED Podcast #2
// https://www.youtube.com/watch?v=KKjFRZFBUrQ
//
// VO.1 preview version
// by Stefan Petrick 2023
// This code is licenced under a 
// Creative Commons Attribution 
// License CC BY-NC 3.0

StefanPetrick

/*
A FastLED matrix example:
A simplex noise field fully modulated and controlled by itself
written by
Stefan Petrick 2017
Do with it whatever you like and show your results to the FastLED community
https://plus.google.com/communities/109127054924227823508
*/

#include "FastLED.h"

StefanPetrick

/*
 * A FastLED example showing how to
 * map a virtual 2d matrix onto a circular led setup
 *
 * limitations: works so far only up to 255 leds
 *
 * written by Stefan Petrick 2016
 */

#include "FastLED.h"