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FunkyClouds (alpha version) · GitHub
/* Funky Clouds Compendium (alpha version) by Stefan Petrick An ever growing list of examples, tools and toys for creating one- and twodimensional LED effects. Dedicated to the users of the FastLED v2.1 library by Daniel Garcia and Mark Kriegsmann. Provides basic and advanced helper functions. Contains many examples how to creatively combine them. Tested @ATmega2560 (runs propably NOT on an Uno or anything else with less than 4kB RAM) */ #include <FastLED.h> // define your LED hardware setup here #define CHIPSET WS2812 #define LED_PIN 23 #define COLOR_ORDER GRB // set master brightness 0-255 here to adjust power consumption // and light intensity #define BRIGHTNESS 60 // your matrix size if it is NOT a 16*16 // check in that case the setup part and // RenderCustomMatrix() and // ShowFrame() for more comments const uint8_t CUSTOM_WIDTH = 8; const uint8_t CUSTOM_HEIGHT = 8; // MSGEQ7 wiring on spectrum analyser shield #define MSGEQ7_STROBE_PIN 4 #define MSGEQ7_RESET_PIN 5 #define AUDIO_LEFT_PIN 0 #define AUDIO_RIGHT_PIN 1 // all 2D effects will be calculated in this matrix size // do not touch const uint8_t WIDTH = 16; const uint8_t HEIGHT = 16; // number of LEDs based on fixed calculation matrix size // do not touch #define NUM_LEDS (WIDTH * HEIGHT) // the rendering buffer (16*16) CRGB leds[NUM_LEDS]; // your display buffer for any setup except 16*16 CRGB leds2[CUSTOM_HEIGHT * CUSTOM_WIDTH]; // the oscillators: linear ramps 0-255 byte osci[4]; // sin8(osci) swinging between 0 - 15 byte p[4]; // store the 7 10Bit (0-1023) audio band values in these 2 arrays int left[7]; int right[7]; /* ------------------------------------------------------------------- Init Inputs and Outputs: LEDs and MSGEQ7 ------------------------------------------------------------------- */ void setup() { //use the following line only when working with a 16*16 //and delete everything in the function RenderCustomMatrix() //at the end of the code; edit XY() to change your matrix layout //right now it is doing a serpentine mapping FastLED.addLeds<CHIPSET, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS); //use this line only when using a custom size //FastLED.addLeds<CHIPSET, LED_PIN, COLOR_ORDER>(leds2, CUSTOM_HEIGHT * CUSTOM_WIDTH); FastLED.setBrightness(BRIGHTNESS); // just for debugging: //Serial.begin(9600); InitMSGEQ7(); } /* ------------------------------------------------------------------- The main program ------------------------------------------------------------------- */ void loop() { AutoRun(); // Comment AutoRun out and test examples seperately here //Dots2(); // For discovering parameters of examples I reccomend to // tinker with a renamed copy ... } /* ------------------------------------------------------------------- Basic Helper functions: XY translate 2 dimensional coordinates into an index Line draw a line Pixel draw a pixel ClearAll empty the screenbuffer MoveOscillators increment osci[] and calculate p[]=sin8(osci) InitMSGEQ7 activate the MSGEQ7 ReadAudio get data from MSGEQ7 into left[7] and right[7] ------------------------------------------------------------------- */ // translates from x, y into an index into the LED array and // finds the right index for a S shaped matrix int XY(int x, int y) { if(y > HEIGHT) { y = HEIGHT; } if(y < 0) { y = 0; } if(x > WIDTH) { x = WIDTH;} if(x < 0) { x = 0; } if(x % 2 == 1) { return (x * (WIDTH) + (HEIGHT - y -1)); } else { // use that line only, if you have all rows beginning at the same side return (x * (WIDTH) + y); } } // Bresenham line algorythm based on 2 coordinates void Line(int x0, int y0, int x1, int y1, byte color) { int dx = abs(x1-x0), sx = x0 < x1 ? 1 : -1; int dy = -abs(y1-y0), sy = y0 < y1 ? 1 : -1; int err = dx + dy, e2; for(;;) { leds[XY(x0, y0)] = CHSV(color, 255, 255); if (x0 == x1 && y0 == y1) break; e2 = 2 * err; if (e2 > dy) { err += dy; x0 += sx; } if (e2 < dx) { err += dx; y0 += sy; } } } // write one pixel with HSV color to coordinates void Pixel(int x, int y, byte color) { leds[XY(x, y)] = CHSV(color, 255, 255); } // delete the screenbuffer void ClearAll() { for(int i = 0; i < NUM_LEDS; i++) { leds[i] = 0; } } /* Oscillators and Emitters */ // set the speeds (and by that ratios) of the oscillators here void MoveOscillators() { osci[0] = osci[0] + 5; osci[1] = osci[1] + 2; osci[2] = osci[2] + 3; osci[3] = osci[3] + 4; for(int i = 0; i < 4; i++) { p[i] = sin8(osci[i]) / 17; //why 17? to keep the result in the range of 0-15 (matrix size) } } // wake up the MSGEQ7 void InitMSGEQ7() { pinMode(MSGEQ7_RESET_PIN, OUTPUT); pinMode(MSGEQ7_STROBE_PIN, OUTPUT); digitalWrite(MSGEQ7_RESET_PIN, LOW); digitalWrite(MSGEQ7_STROBE_PIN, HIGH); } // get the data from the MSGEQ7 // (still fucking slow...) void ReadAudio() { digitalWrite(MSGEQ7_RESET_PIN, HIGH); digitalWrite(MSGEQ7_RESET_PIN, LOW); for(byte band = 0; band < 7; band++) { digitalWrite(MSGEQ7_STROBE_PIN, LOW); delayMicroseconds(30); left[band] = analogRead(AUDIO_LEFT_PIN); right[band] = analogRead(AUDIO_RIGHT_PIN); digitalWrite(MSGEQ7_STROBE_PIN, HIGH); } } /* ------------------------------------------------------------------- Functions for manipulating existing data within the screenbuffer: DimAll scales the brightness of the screenbuffer down Caleidoscope1 mirror one quarter to the other 3 (and overwrite them) Caleidoscope2 rotate one quarter to the other 3 (and overwrite them) Caleidoscope3 useless bullshit?! Caleidoscope4 rotate and add the complete screenbuffer 3 times Caleidoscope5 copy a triangle from the first quadrant to the other half Caleidoscope6 SpiralStream stream = give it a nice fading tail HorizontalStream VerticalStream VerticalMove move = just move it as it is one line down Copy copy a rectangle RotateTriangle copy + rotate a triangle (in 8*8) MirrorTriangle copy + mirror a triangle (in 8*8) RainbowTriangle static draw for debugging ------------------------------------------------------------------- */ // scale the brightness of the screenbuffer down void DimAll(byte value) { for(int i = 0; i < NUM_LEDS; i++) { leds[i].nscale8(value); } } /* Caleidoscope1 mirrors from source to A, B and C y | | | B | C |_______________ | | |source | A |_______________ x */ void Caleidoscope1() { for(int x = 0; x < WIDTH / 2 ; x++) { for(int y = 0; y < HEIGHT / 2; y++) { leds[XY( WIDTH - 1 - x, y )] = leds[XY( x, y )]; // copy to A leds[XY( x, HEIGHT - 1 - y )] = leds[XY( x, y )]; // copy to B leds[XY( WIDTH - 1 - x, HEIGHT - 1 - y )] = leds[XY( x, y )]; // copy to C } } } /* Caleidoscope2 rotates from source to A, B and C y | | | C | B |_______________ | | |source | A |_______________ x */ void Caleidoscope2() { for(int x = 0; x < WIDTH / 2 ; x++) { for(int y = 0; y < HEIGHT / 2; y++) { leds[XY( WIDTH - 1 - x, y )] = leds[XY( y, x )]; // rotate to A leds[XY( WIDTH - 1 - x, HEIGHT - 1 - y )] = leds[XY( x, y )]; // rotate to B leds[XY( x, HEIGHT - 1 - y )] = leds[XY( y, x )]; // rotate to C } } } // adds the color of one quarter to the other 3 void Caleidoscope3() { for(int x = 0; x < WIDTH / 2 ; x++) { for(int y = 0; y < HEIGHT / 2; y++) { leds[XY( WIDTH - 1 - x, y )] += leds[XY( y, x )]; // rotate to A leds[XY( WIDTH - 1 - x, HEIGHT - 1 - y )] += leds[XY( x, y )]; // rotate to B leds[XY( x, HEIGHT - 1 - y )] += leds[XY( y, x )]; // rotate to C } } } // add the complete screenbuffer 3 times while rotating void Caleidoscope4() { for(int x = 0; x < WIDTH ; x++) { for(int y = 0; y < HEIGHT ; y++) { leds[XY( WIDTH - 1 - x, y )] += leds[XY( y, x )]; // rotate to A leds[XY( WIDTH - 1 - x, HEIGHT - 1 - y )] += leds[XY( x, y )]; // rotate to B leds[XY( x, HEIGHT - 1 - y )] += leds[XY( y, x )]; // rotate to C } } } // rotate, duplicate and copy over a triangle from first sector into the other half // (crappy code) void Caleidoscope5() { for(int x = 1; x < 8 ; x++) { leds[XY(7 - x, 7 )] += leds[XY(x, 0)]; } //a for(int x = 2; x < 8 ; x++) { leds[XY(7 - x, 6 )] += leds[XY(x, 1)]; } //b for(int x = 3; x < 8 ; x++) { leds[XY(7 - x, 5 )] += leds[XY(x, 2)]; } //c for(int x = 4; x < 8 ; x++) { leds[XY(7 - x, 4 )] += leds[XY(x, 3)]; } //d for(int x = 5; x < 8 ; x++) { leds[XY(7 - x, 3 )] += leds[XY(x, 4)]; } //e for(int x = 6; x < 8 ; x++) { leds[XY(7 - x, 2 )] += leds[XY(x, 5)]; } //f for(int x = 7; x < 8 ; x++) { leds[XY(7 - x, 1 )] += leds[XY(x, 6)]; } //g } void Caleidoscope6() { for(int x = 1; x < 8 ; x++) { leds[XY(7 - x, 7 )] = leds[XY(x, 0)]; } //a for(int x = 2; x < 8 ; x++) { leds[XY(7 - x, 6 )] = leds[XY(x, 1)]; } //b for(int x = 3; x < 8 ; x++) { leds[XY(7 - x, 5 )] = leds[XY(x, 2)]; } //c for(int x = 4; x < 8 ; x++) { leds[XY(7 - x, 4 )] = leds[XY(x, 3)]; } //d for(int x = 5; x < 8 ; x++) { leds[XY(7 - x, 3 )] = leds[XY(x, 4)]; } //e for(int x = 6; x < 8 ; x++) { leds[XY(7 - x, 2 )] = leds[XY(x, 5)]; } //f for(int x = 7; x < 8 ; x++) { leds[XY(7 - x, 1 )] = leds[XY(x, 6)]; } //g } // create a square twister // x and y for center, r for radius void SpiralStream(int x,int y, int r, byte dimm) { for(int d = r; d >= 0; d--) { // from the outside to the inside for(int i = x-d; i <= x+d; i++) { leds[XY(i,y-d)] += leds[XY(i+1,y-d)]; // lowest row to the right leds[XY(i,y-d)].nscale8( dimm );} for(int i = y-d; i <= y+d; i++) { leds[XY(x+d,i)] += leds[XY(x+d,i+1)]; // right colum up leds[XY(x+d,i)].nscale8( dimm );} for(int i = x+d; i >= x-d; i--) { leds[XY(i,y+d)] += leds[XY(i-1,y+d)]; // upper row to the left leds[XY(i,y+d)].nscale8( dimm );} for(int i = y+d; i >= y-d; i--) { leds[XY(x-d,i)] += leds[XY(x-d,i-1)]; // left colum down leds[XY(x-d,i)].nscale8( dimm );} } } // give it a linear tail to the side void HorizontalStream(byte scale) { for(int x = 1; x < WIDTH ; x++) { for(int y = 0; y < HEIGHT; y++) { leds[XY(x,y)] += leds[XY(x-1,y)]; leds[XY(x,y)].nscale8( scale ); } } for(int y = 0; y < HEIGHT; y++) leds[XY(0,y)].nscale8(scale); } // give it a linear tail downwards void VerticalStream(byte scale) { for(int x = 0; x < WIDTH ; x++) { for(int y = 1; y < HEIGHT; y++) { leds[XY(x,y)] += leds[XY(x,y-1)]; leds[XY(x,y)].nscale8( scale ); } } for(int x = 0; x < WIDTH; x++) leds[XY(x,0)].nscale8(scale); } // just move everything one line down void VerticalMove() { for(int y = 15; y > 0; y--) { for(int x = 0; x < 16; x++) { leds[XY(x, y)] = leds[XY(x, y-1)]; } } } // copy the rectangle defined with 2 points x0, y0, x1, y1 // to the rectangle beginning at x2, x3 void Copy(byte x0, byte y0, byte x1, byte y1, byte x2, byte y2) { for(int y = y0; y < y1+1; y++) { for(int x = x0; x < x1+1; x++) { leds[XY(x+x2-x0, y + y2-y0)] = leds[XY(x, y)]; } } } // rotate + copy triangle (8*8) void RotateTriangle() { for(int x = 1; x < 8; x++) { for(int y = 0; y<x; y++) { leds[XY(x, 7-y)] = leds[XY(7-x, y)]; } } } // mirror + copy triangle (8*8) void MirrorTriangle() { for(int x = 1; x < 8; x++) { for(int y = 0; y<x; y++) { leds[XY(7-y, x)] = leds[XY(7-x, y)]; } } } // draw static rainbow triangle pattern (8x8) // (just for debugging) void RainbowTriangle() { for(int i = 0; i < 8; i++) { for(int j = 0; j<=i; j++) { Pixel(7-i, j, i*j*4); } } } /* ------------------------------------------------------------------- Examples how to combine functions in order to create an effect ...or: how to visualize some of the following data osci[0] ... osci[3] (0-255) triangle p[0] ... p[3] (0-15) sinus left[0] ... left[6] (0-1023) values of 63Hz, 160Hz, ... right[0] ... right[6] (0-1023) effects based only on oscillators (triangle/sine waves) AutoRun shows everything that follows SlowMandala red slow Dots1 2 arround one Dots2 stacking sines SlowMandala2 just nice and soft SlowMandala3 just nice and soft Mandala8 copy one triangle all over effects based on audio data (could be also linked to oscillators) MSGEQtest colorfull 2 chanel 7 band analyzer MSGEQtest2 2 frequencies linked to dot emitters in a spiral mandala MSGEQtest3 analyzer 2 bars MSGEQtest4 analyzer x 4 (as showed on youtube) AudioSpiral basedrum/snare linked to red/green emitters MSGEQtest5 one channel 7 band spectrum analyzer (spiral fadeout) MSGEQtest6 classic analyzer, slow falldown MSGEQtest7 spectrum mandala, color linked to low frequencies MSGEQtest8 spectrum mandala, color linked to osci MSGEQtest9 falling spectogram CopyTest Audio1 Audio2 Audio3 Audio4 CaleidoTest1 Caleidotest2 Audio5 Audio6 ------------------------------------------------------------------- */ // all examples together void AutoRun() { // all oscillator based: for(int i = 0; i < 300; i++) {Dots1();} for(int i = 0; i < 300; i++) {Dots2();} SlowMandala(); SlowMandala2(); SlowMandala3(); for(int i = 0; i < 300; i++) {Mandala8();} // all MSGEQ7 based: for(int i = 0; i < 500; i++) {MSGEQtest();} for(int i = 0; i < 500; i++) {MSGEQtest2();} for(int i = 0; i < 500; i++) {MSGEQtest3();} for(int i = 0; i < 500; i++) {MSGEQtest4();} for(int i = 0; i < 500; i++) {AudioSpiral();} for(int i = 0; i < 500; i++) {MSGEQtest5();} for(int i = 0; i < 500; i++) {MSGEQtest6();} for(int i = 0; i < 500; i++) {MSGEQtest7();} for(int i = 0; i < 500; i++) {MSGEQtest8();} for(int i = 0; i < 500; i++) {MSGEQtest9();} for(int i = 0; i < 500; i++) {CopyTest();} for(int i = 0; i < 500; i++) {Audio1();} for(int i = 0; i < 500; i++) {Audio2();} for(int i = 0; i < 500; i++) {Audio3();} for(int i = 0; i < 500; i++) {Audio4();} for(int i = 0; i < 500; i++) {CaleidoTest1();} for(int i = 0; i < 500; i++) {CaleidoTest2();} for(int i = 0; i < 500; i++) {Audio5();} for(int i = 0; i < 500; i++) {Audio6();} } // red, 4 spirals, one dot emitter // demonstrates SpiralStream and Caleidoscope // (psychedelic) void SlowMandala() { for(int i = 0; i < 16; i++) { for(int j = 0; j < 16; j++) { Pixel(i,j,1); SpiralStream(4, 4, 4, 127); Caleidoscope1(); ShowFrame(); FastLED.delay(50); } } } // 2 oscillators flying arround one ;) void Dots1() { MoveOscillators(); //2 lissajous dots red leds[XY(p[0],p[1])] = CHSV (1 , 255, 255); leds[XY(p[2],p[3])] = CHSV (1 , 255, 150); //average of the coordinates in yellow Pixel((p[2]+p[0])/2, (p[1]+p[3])/2, 50); ShowFrame(); FastLED.delay(20); HorizontalStream(125); } // x and y based on 3 sine waves void Dots2() { MoveOscillators(); Pixel((p[2]+p[0]+p[1])/3, (p[1]+p[3]+p[2])/3, osci[3]); ShowFrame(); FastLED.delay(20); HorizontalStream(125); } // beautifull but periodic void SlowMandala2() { for(int i = 1; i < 8; i++) { for(int j = 0; j < 16; j++) { MoveOscillators(); Pixel(j,i, (osci[0]+osci[1])/2); SpiralStream(4, 4, 4, 127); Caleidoscope2(); ShowFrame(); FastLED.delay(20); } } } // same with a different timing void SlowMandala3() { for(int i = 0; i < 16; i++) { for(int j = 0; j < 16; j++) { MoveOscillators(); Pixel(j,j, (osci[0]+osci[1])/2); SpiralStream(4, 4, 4, 127); Caleidoscope2(); ShowFrame(); FastLED.delay(20); } } } // 2 lissajou dots *2 *4 void Mandala8() { MoveOscillators(); Pixel(p[0]/2, p[1]/2, osci[2]); Pixel(p[2]/2, p[3]/2, osci[3]); Caleidoscope5(); Caleidoscope2(); HorizontalStream(110); ShowFrame(); } // colorfull 2 chanel 7 band analyzer void MSGEQtest() { ReadAudio(); for(int i = 0; i < 7; i++) { Pixel(i, 16-left[i]/64, left[i]/4);} for(int i = 0; i < 7; i++) { Pixel(8+i, 16-right[i]/64, right[i]/4);} ShowFrame(); VerticalStream(120); } // 2 frequencies linked to dot emitters in a spiral mandala void MSGEQtest2() { ReadAudio(); if (left[0]>500) { Pixel(0,0,1); Pixel(1,1,1);} if (left[2]>200) {Pixel(2,2,100);} if (left[6]>200) {Pixel(5,0,200);} SpiralStream(4, 4, 4, 127); Caleidoscope1(); ShowFrame(); } // analyzer 2 bars void MSGEQtest3() { ReadAudio(); for(int i = 0; i < 8; i++) { Pixel(i, 16-left[0]/64, 1);} for(int i=8; i < 16; i++) { Pixel(i, 16-left[4]/64, 100);} ShowFrame(); VerticalStream(120);} // analyzer x 4 (as showed on youtube) void MSGEQtest4() { ReadAudio(); for(int i = 0; i < 7; i++) { Pixel(7-i, 8-right[i]/128, i*10);} Caleidoscope2(); ShowFrame(); DimAll(240); } // basedrum/snare linked to red/green emitters void AudioSpiral() { MoveOscillators(); SpiralStream(7, 7, 7, 130); SpiralStream(4, 4, 4, 122); SpiralStream(11, 11, 3, 122); ReadAudio(); if (left[1] > 500) {leds[2,1] = CHSV (1 , 255, 255);} if (left[4] > 500) {leds[XY(random(15),random(15))] = CHSV (100 , 255, 255);} ShowFrame(); DimAll(250); } // one channel 7 band spectrum analyzer (spiral fadeout) void MSGEQtest5() { ReadAudio(); for(int i = 0; i < 7; i++) { Line(2*i, 16-left[i]/64, 2*i, 15, i*10); Line(1+2*i, 16-left[i]/64, 1+2*i, 15, i*10); } ShowFrame(); SpiralStream(7, 7, 7, 120); } // classic analyzer, slow falldown void MSGEQtest6() { ReadAudio(); for(int i = 0; i < 7; i++) { Line(2*i, 16-left[i]/64, 2*i, 15, i*10); Line(1+2*i, 16-left[i]/64, 1+2*i, 15, i*10); } ShowFrame(); VerticalStream(170); } // geile Scheiße // spectrum mandala, color linked to 160Hz band void MSGEQtest7() { MoveOscillators(); ReadAudio(); for(int i = 0; i < 7; i++) { Pixel(7-i, 8-right[i]/128, i*10+right[1]/8);} Caleidoscope5(); Caleidoscope1(); ShowFrame(); DimAll(240); } // spectrum mandala, color linked to osci void MSGEQtest8() { MoveOscillators(); ReadAudio(); for(int i = 0; i < 7; i++) { Pixel(7-i, 8-right[i]/128, i*10+osci[1]);} Caleidoscope5(); Caleidoscope2(); ShowFrame(); DimAll(240); } // falling spectogram void MSGEQtest9() { ReadAudio(); for(int i = 0; i < 7; i++) { leds[XY(i*2,0)] = CHSV(i*27, 255, right[i]/3); // brightness should be divided by 4 leds[XY(1+i*2,0)] = CHSV(i*27, 255, left[i]/3); } leds[XY(14,0)] = 0; leds[XY(15,0)] = 0; ShowFrame(); VerticalMove(); } // 9 analyzers void CopyTest() { ReadAudio(); for(int i = 0; i < 5; i++) { Line(i, 4- left[i]/256, i, 4, i*10); } Copy(0,0, 4, 4, 5, 0); Copy(0,0, 4, 4, 10, 0); Copy(0,0,14,4,0,5); Copy(0,0, 14, 4, 0, 10); ShowFrame(); DimAll(200); } // test scale // NOT WORKING as intended YET! void CopyTest2() { ReadAudio(); for(int i = 0; i < 5; i++) { Line(i*2, 4- left[i]/128, i*2, 4, i*10); } Scale(0,0, 4, 4, 7,7, 15, 15); ShowFrame(); DimAll(200); } // rechtangle 0-1 -> 2-3 // NOT WORKING as intended YET! void Scale(int x0, int y0, int x1, int y1, int x2, int y2 ,int x3, int y3) { for(int y = y2; y < y3+1; y++) { for(int x = x2; x < x3+1; x++) { leds[XY(x,y)] = leds[XY( x0 + ( (x * (x1-x0)) / (x3-x1) ), y0 + ( (y * (y1-y0)) / (y3-y1) ) )]; } } } // line spectogram mandala void Audio1() { ReadAudio(); for(int i = 0; i < 5; i++) { Line(3*i, 16-left[i]/64, 3*(i+1), 16-left[i+1]/64, 255-i*15); } Caleidoscope4(); ShowFrame(); DimAll(10); } // line analyzer with stream void Audio2() { ReadAudio(); for(int i = 0; i < 5; i++) { Line(3*i, 16-left[i]/64, 3*(i+1), 16-left[i+1]/64, 255-i*15); } ShowFrame(); HorizontalStream(120); } void Audio3() { ReadAudio(); for(int i = 0; i < 7; i++) { leds[XY(6-i,right[i]/ 128)] = CHSV(i*27, 255, right[i]);} // brightness should be divided by 4 Caleidoscope6(); Caleidoscope2(); ShowFrame(); DimAll(255); } void Audio4() { ReadAudio(); for(int i = 0; i < 5; i++) { Line(3*i, 8-left[i]/128, 3*(i+1), 8-left[i+1]/128, i*left[i]/32); } Caleidoscope4(); ShowFrame(); DimAll(12); } void CaleidoTest1() { ReadAudio(); for(int i = 0; i < 7; i++) { Line(i, left[i]/256, i,0,left[i]/32);} RotateTriangle(); Caleidoscope2(); //copy + rotate ShowFrame(); DimAll(240); } void CaleidoTest2() { MoveOscillators(); ReadAudio(); for(int i = 0; i < 7; i++) { Line(i, left[i]/200, i, 0, (left[i]/16)+150);} MirrorTriangle(); Caleidoscope1(); //mirror + rotate ShowFrame(); DimAll(240); } void Audio5() { ReadAudio(); for(int i = 0; i < 5; i++) { Line( 3 * i, 8 - left[i] / 128, // from 3 * (i+1), 8 - left[i+1] / 128, // to i * 30); } // color Caleidoscope4(); ShowFrame(); DimAll(9); } void Audio6() { ReadAudio(); for(int i = 0; i < 5; i++) { Line( 3 * i, 8 - left[i] / 128, // from 3 * (i+1), 8 - left[i+1] / 128, // to i * 10); // lolor Line( 15-(3 * i), 7 + left[i] / 128, // from 15-(3 * (i+1)), 7 + left[i+1] / 128, // to i * 10); // color } ShowFrame(); DimAll(200); //ClearAll(); } /* ------------------------------------------------------------------- Testcode for mapping the 16*16 calculation buffer to your matrix size ------------------------------------------------------------------- */ // describe your matrix layout here: // P.S. If you use not a 8*8 just remove the */ and /* void RenderCustomMatrix() { /* for(int x = 0; x < CUSTOM_WIDTH; x++) { for(int y = 0; y < CUSTOM_HEIGHT; y++) { // position in the custom array leds2[x + x * y] = // positions(s) in the source 16*16 // in this example it interpolates between just 2 diagonal touching pixels (leds[XY(x*2, y*2)] + // first point added to leds[XY(1+(x*2), 1+(y*2))]) // second point / 2; // divided by 2 to get the average color } } */ } void ShowFrame() { // when using a matrix different than 16*16 use RenderCustomMatrix(); //RenderCustomMatrix(); FastLED.show(); }
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