// https://forum.arduino.cc/t/need-help-with-ws2812b-matrix/1300473/

#include <Adafruit_GFX.h>
#include <Adafruit_NeoMatrix.h>
#include <Adafruit_NeoPixel.h>
#ifndef PSTR
#define PSTR  // Make Arduino Due happy
#endif

// #define COLS 64  // rngr2000
#define COLS 32 // xfpd
#define ROWS 8
#define PIN 6
// #define BRIGHT 50 // define brightness 0 to 255
#define BRIGHT 255 // xfpd

Adafruit_NeoMatrix matrix = Adafruit_NeoMatrix(
                              COLS, ROWS, PIN,
                              NEO_MATRIX_TOP +
                              NEO_MATRIX_LEFT +
                              // NEO_MATRIX_COLUMNS +  // rngr2000
                              NEO_MATRIX_ROWS +  // xfpd
                              // NEO_MATRIX_ZIGZAG,  // rngr2000
                              NEO_MATRIX_PROGRESSIVE, // xfpd
                              NEO_GRB + NEO_KHZ800);

const uint16_t colors[] = {
  matrix.Color(255,   0,   0), // red
  matrix.Color(255, 255, 255), // wht
  matrix.Color(  0,   0, 255)  // blu
};

const PROGMEM char rolltide[] = { 
  "----@-@@" // 0 - wht/red
  "-----@@-" // 1
  "-----@@-" // 2
  "----@-@-" // 3
  "--@@@@@@" // 4
  "---@--@-" // 5
  "@-@---@-" // 6
  "-@----@@" // 7
}; 

int times = 0;
int x = matrix.width();
int pass = 0;
boolean flag = false;

void setup() {
  Serial.begin(115200);
  matrix.begin();
  matrix.setTextWrap(true);
  matrix.setBrightness(BRIGHT);
  matrix.setTextColor(colors[0]);

  goTeamTeamTeam(); // call GoTeamTeamTeam one time
  for (int i = 0; i < 3; i++)
    scrollGoTeam(i);    // call scrollGoTeam with color element three times
}

void loop() {
}

void goTeamTeamTeam() {
  for (times = 0; times < 3; times++) {
    matrix.setTextColor(colors[0]);
    matrix.setCursor(5, 0);
    matrix.print(F("Go"));
    matrix.show();  //
    delay(1000);
    matrix.clear();
    delay(200);
    matrix.show();
    delay(200);

    for (int i = 0; i < 3; i++) {  // Team three times
      matrix.setTextColor(colors[i]);
      matrix.setCursor(5, 0);
      matrix.print(F("Team"));
      matrix.show();  //
      delay(200);
      matrix.clear();
      delay(200);
      matrix.show();
      delay(200);
    }
  }
}

void scrollGoTeam(int pass) {
  matrix.setTextColor(colors[pass]);
  for (int i = 0; i < 7 * 6 * 2; i++) { // scroll 7 letters * 6 pxels twice to clear the matrix
    matrix.fillScreen(0);
    matrix.setCursor(x, 0);
    matrix.print(F("Go Team"));
    --x; // next row/column
    matrix.show();
    delay(50);
  }
  x = matrix.width(); // start new scroll
}