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Meteor Shower
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| /* | |
| * Meteor Shower posted by Chemdoc77 | |
| * Based on the outstanding MeteorShower sketch by Jon Burroughs as seen in Adam bluebottleyellowboxyellyfish’s clock | |
| * which Chemdoc77 slightly modified. | |
| */ | |
| #include <FastLED.h> | |
| #define LED_PIN 6 | |
| #define CHIPSET NEOPIXEL | |
| #define NUM_LEDS 90 | |
| #define BRIGHTNESS 100 | |
| CRGB leds[NUM_LEDS]; | |
| byte ledsX[NUM_LEDS][3]; | |
| boolean RAINBOWs = false; | |
| boolean RANDOMpick = false; | |
| uint8_t hue; | |
| uint16_t timeframe; | |
| byte idex = 0; | |
| byte colorTIP = 0; | |
| byte meteorLENGTH; | |
| byte loopCount = 1; //low number loop counter | |
| void setup() { | |
| delay(1000); // sanity delay | |
| FastLED.addLeds<CHIPSET, LED_PIN>(leds, NUM_LEDS); | |
| FastLED.setBrightness( BRIGHTNESS ); | |
| FastLED.setMaxPowerInVoltsAndMilliamps(5,1500); | |
| set_max_power_indicator_LED(13); | |
| fill_solid(leds, NUM_LEDS, CRGB::Black); | |
| FastLED.show(); | |
| } | |
| //============================================ | |
| void loop() { | |
| meteorShower(); | |
| } | |
| //=============== Functions ============== | |
| void meteorShower(){ | |
| //hue master | |
| hue++; | |
| //populate the leds[] with stored ledsX[] array data | |
| for(byte i = 0; i < NUM_LEDS; i++ ) { | |
| ledsX[i][0] = leds[i].r; | |
| ledsX[i][1] = leds[i].g; | |
| ledsX[i][2] = leds[i].b; | |
| } | |
| //clear the previous counter clockwise position | |
| byte iCCW; | |
| //we are keeping track of elapsed time | |
| timeframe++; //fx timer | |
| //meteorLENGTH fx is only shown for this time frame | |
| if((timeframe >= 1) && (timeframe <= 280)) { meteorLENGTH = 29; } | |
| if((timeframe > 280) && (timeframe <= 500)) { meteorLENGTH = 45; } | |
| //RAINBOWs fx add rainbow tails during this time frame only | |
| if((timeframe > 0) && (timeframe <= 280)) { RAINBOWs = true; } | |
| else{ RAINBOWs = false; } | |
| //keep our RAINBOWs within a specific range of hue | |
| if(RAINBOWs == true){ hue = hue - 20; if(hue <= 0){ hue = 1; } } | |
| //RANDOMpick fx is only enabled during this timeframe | |
| if((timeframe > 600) && (timeframe <= 790)) { RANDOMpick = true; } | |
| else{ RANDOMpick = false; } | |
| //pick a random spot in the meteor switch case statement below | |
| if (RANDOMpick == true){ idex = random8(46); } | |
| else{ | |
| //increment the meteor display frame | |
| idex++; | |
| //make sure we don't drift into space | |
| if (idex > meteorLENGTH) { idex = 0; } } | |
| //meteorLENGTH is randomized during this timeframe only | |
| if((timeframe > 790) && (timeframe <= 1090)) { meteorLENGTH = random8(7, 38); } | |
| //during this point in the animation timeframe | |
| if(timeframe == 1180) { | |
| //reset the timeframe | |
| timeframe = 0; | |
| //increment the loop counter | |
| loopCount++; | |
| } | |
| //during this part of the loopCount, all meteors have a white colored tip | |
| if(loopCount == 1) { colorTIP = 0; } | |
| if(loopCount == 2) { colorTIP = 1; } | |
| if(loopCount == 3) { colorTIP = random8(11); } | |
| //end of the desired fx, reset the variable for the next time around | |
| if(loopCount == 4) { | |
| colorTIP = 0; | |
| loopCount = 0; | |
| } | |
| //there are two switch case statements nestled into one another | |
| //we always want to control the color of the meteor tip | |
| //the other controls the actual meteor animation in 45 frames/case statements | |
| switch (idex) { | |
| case 0: | |
| switch (colorTIP){ | |
| case 0: | |
| leds[0] = CHSV(hue, 255, 255); | |
| break; | |
| case 1: | |
| leds[0] = CRGB(100,100,100); | |
| break; | |
| case 2: | |
| leds[0] = CRGB::Yellow; | |
| break; | |
| case 3: | |
| leds[0] = CRGB::Violet; | |
| break; | |
| case 4: | |
| leds[0] = CRGB::Green; | |
| break; | |
| case 5: | |
| leds[0] = CRGB::Purple; | |
| break; | |
| case 6: | |
| leds[0] = CRGB::Orange; | |
| break; | |
| case 7: | |
| leds[0] = CRGB::Cyan; | |
| break; | |
| case 8: | |
| leds[0] = CRGB::GreenYellow; | |
| break; | |
| case 9: | |
| leds[0] = CRGB::Magenta; | |
| break; | |
| case 10: | |
| leds[0] = CRGB::SkyBlue; | |
| } | |
| break; | |
| case 1: | |
| leds[0] = CHSV((hue - 20), 255, 210); | |
| break; | |
| case 2: | |
| leds[0] = CHSV((hue - 22), 255, 180); | |
| break; | |
| case 3: | |
| leds[0] = CHSV((hue - 23), 255, 150); | |
| break; | |
| case 4: | |
| leds[0] = CHSV((hue - 24), 255, 110); | |
| break; | |
| case 5: | |
| leds[0] = CHSV((hue - 25), 255, 90); | |
| break; | |
| case 6: | |
| leds[0] = CHSV((hue - 26), 160, 60); | |
| break; | |
| case 7: | |
| leds[0] = CHSV((hue - 27), 140, 40); | |
| break; | |
| case 8: | |
| leds[0] = CHSV((hue - 28), 120, 20); | |
| break; | |
| case 9: | |
| leds[0] = CHSV((hue - 29), 100, 20); | |
| break; | |
| case 10: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 11: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 12: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 13: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 14: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 15: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 16: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 17: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 18: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 19: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 20: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 21: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 22: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 23: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 24: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 25: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 26: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 27: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 28: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 29: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 30: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 31: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 32: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 33: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 34: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 35: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 36: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 37: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 38: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 39: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 40: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 41: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 42: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 43: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 44: | |
| leds[0] = CRGB::Black; | |
| break; | |
| case 45: | |
| leds[0] = CRGB::Black; | |
| break; | |
| } | |
| //copy the LED Array | |
| for(byte i = 1; i < NUM_LEDS; i++ ) { | |
| iCCW = adjacent_ccw(i); | |
| leds[i].r = ledsX[iCCW][0]; | |
| leds[i].g = ledsX[iCCW][1]; | |
| leds[i].b = ledsX[iCCW][2]; | |
| } | |
| //show the blinky | |
| FastLED.show(); | |
| //control the animation speed/frame rate | |
| delay(30); | |
| } | |
| //find the adjacent counter clockwise postion of the led | |
| //funkboxing code snippet | |
| byte adjacent_ccw(byte i) { | |
| byte r; | |
| if (i > 0) { r = i - 1; } | |
| else { r = NUM_LEDS - 1; } | |
| return r; | |
| } |
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