Another blend

gistfile1.txt

/*
A blending variant
By: Andrew Tuline
Date: March, 2019
*/

#include "FastLED.h"

#define LED_PIN     12
#define CK_PIN   11
#define COLOR_ORDER BGR
#define CHIPSET     APA102
#define NUM_LEDS    42


CRGB leds[NUM_LEDS];

int max_bright = 32;


void setup() {
  Serial.begin (57600);

  FastLED.addLeds<CHIPSET, LED_PIN, CK_PIN, COLOR_ORDER>(leds, NUM_LEDS);
//  FastLED.addLeds<CHIPSET, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS);
  FastLED.setBrightness( max_bright );
}

void loop(){ 

  EVERY_N_MILLIS(50) {
    cycle();
  }
  FastLED.show();
}

void cycle() {

  CRGB clr1;
  CRGB clr2;
  static uint16_t thisphase;
  uint8_t speed;

  thisphase += beatsin8(5,0,6) + beatsin8(13,0,6);

  speed = cubicwave8(32+thisphase);

  clr1 = blend(CRGB::Blue, CRGB::Red, speed);
  clr2 = blend(CRGB::Blue, CRGB::Red, speed);

  fill_gradient_RGB(leds,0,clr1, NUM_LEDS-1, clr2);
//  fill_gradient_RGB(leds, 0, clr2, NUM_LEDS/2, clr1);
//  fill_gradient_RGB(leds, NUM_LEDS/2+1, clr1, NUM_LEDS-1, clr2);
}