//WS2812B RGB LED 16X16 五子棋棋盤
#define FASTLED_RMT5_RECYCLE 1
#include <FastLED.h>        //For FastLED
const uint8_t kMatrixWidth  = 16; //棋盤矩陣寬度
const uint8_t kMatrixHeight = 16; //棋盤矩陣高度

const bool    kMatrixSerpentineLayout = true;
const bool    kMatrixVertical = false;
//定義FAST LED========================================================
#define LED_PIN     15      //RGB_LED接腳
#define NUM_LEDS    (kMatrixWidth * kMatrixHeight) //棋盤大小
#define CHIPSET     WS2812B //LED strip type
#define COLOR_ORDER GRB     //常用GRB,RGB可依個人配置顏色順序，
#define LED_VOLTS   5       //使用電壓
#define MAX_AMPS    5000    //限制最大電流
#define SERPENTINE  true    //預設蛇形(serpentine)排列

CRGB leds[NUM_LEDS];        //初始化設定

//顏色定義==================================================-
#define Red1 CRGB(250,0,0)
#define Green1 CRGB(0,250,0)
#define Blue1 CRGB(0,0,250)
#define Black1 CRGB(0,0,0)
uint8_t Red= 250;//RGB顏色分量--
uint8_t Blue=250;  
uint8_t Green=250;
uint8_t BRIGHTNESS  =250;   //預設RGB亮度
uint8_t M=15,N=15;          //棋盤大小
uint8_t arr[15][15]={0};    //儲存下棋陣列


void setup() {
 
  Serial.begin(115200);  
  FastLED.addLeds<CHIPSET, LED_PIN, COLOR_ORDER>(leds, NUM_LEDS)
       .setCorrection(TypicalSMD5050);
  FastLED.setMaxPowerInVoltsAndMilliamps(LED_VOLTS, MAX_AMPS);    
  FastLED.setBrightness(BRIGHTNESS);// 設置全局亮度
  FastLED.clear();
  FastLED.show();  
}
void loop() { 
  demo();       //執行demo程式
  delay(2000);
}
//======================================================
void demo(){ 
  leds[  XY( 7, 7) ] = CRGB( 0, 0,Blue);   //在指定座標下棋，藍色棋子
  FastLED.show();                        //輸出
  delay(1000);                           //延時1秒
  leds[  XY( 7, 6) ] = CRGB(Red, 0, 0);
  FastLED.show();
  delay(1000);
  leds[  XY( 6, 6) ] = CRGB(0, 0, Blue);
  FastLED.show();
  delay(1000);      
  leds[  XY( 6, 7) ] = CRGB(Red, 0, 0);
  FastLED.show();
  delay(1000);    
  leds[  XY( 8, 8) ] = CRGB(0, 0, Blue);
  FastLED.show();
  delay(1000);    
  leds[  XY( 8, 5) ] = CRGB(Red, 0, 0);
  FastLED.show();
  delay(1000);    
  leds[  XY( 9, 4) ] = CRGB(0, 0, Blue);
  FastLED.show();
  delay(1000);        
  leds[  XY( 5, 8) ] = CRGB(Red, 0, 0);
  FastLED.show();
 delay(1000);    
  leds[  XY( 4, 9) ] = CRGB(0, 0, Blue);
  FastLED.show();
  delay(1000);    
  leds[  XY( 8, 6) ] = CRGB(Red, 0, 0);
  FastLED.show();
  delay(1000);    
  leds[  XY( 9, 9) ] = CRGB(0, 0, Blue);
  FastLED.show();
 delay(1000);     
  leds[  XY( 10, 10) ] = CRGB(Red, 0, 0);
  FastLED.show();
  delay(1000);    
  leds[  XY( 5, 5) ] = CRGB(0, 0, Blue);
  FastLED.show();
  delay(1000);    
  for(uint8_t i=0;i<=15;i++){
    leds[  XY( 5, 5) ] = CRGB(0, 0, 0);
    leds[  XY( 6, 6) ] = CRGB(0, 0, 0);
    leds[  XY( 7, 7) ] = CRGB(0, 0, 0);
    leds[  XY( 8, 8) ] = CRGB(0, 0, 0);
    leds[  XY( 9, 9) ] = CRGB(0, 0, 0);
    FastLED.show();
    delay(200);
    leds[  XY( 5, 5) ] = CRGB(0, 0, Blue);
    leds[  XY( 6, 6) ] = CRGB(0, 0, Blue);
    leds[  XY( 7, 7) ] = CRGB(0, 0, Blue);
    leds[  XY( 8, 8) ] = CRGB(0, 0, Blue);
    leds[  XY( 9, 9) ] = CRGB(0, 0, Blue);
    FastLED.show();
    delay(200);
  }
  FastLED.clear ();
  FastLED.show();
}
//==================================================================
// 適用於MxN=16x16 LED矩陣，將座標 (列, 行) 轉換為對應的 LED 索引
int16_t XY( uint8_t y, uint8_t x) 
{
  uint16_t i;                     // 定義變數 i，儲存計算出的 LED 索引
  uint8_t a = M - x;              // 計算變數 a=是矩陣寬度-對應座標中的 x
  if( kMatrixSerpentineLayout == false) { // 如果矩陣不是蛇形排列
    if (kMatrixVertical == false) {       // 如果矩陣排列是水平的
      i = (y * kMatrixWidth) + a;         // 列優先排列,索引=(行*矩陣寬度) + a
    } else {                              // 如果矩陣排列是垂直的
      i = kMatrixHeight * (kMatrixWidth - (a+1)) + y; // 索引 = 垂直翻轉公式
    }
  }
  if( kMatrixSerpentineLayout == true) {  // 如果矩陣是蛇形排列
    if (kMatrixVertical == false) {       // 如果矩陣排列是水平的
      if( y & 0x01) {                     // 如果行號是奇數 
        uint8_t reverseX = (kMatrixWidth - 1) - a; // 奇數行：x 軸翻轉
        i = (y * kMatrixWidth) + reverseX;// 計算奇數行索引
      } else {                                     
        i = (y * kMatrixWidth) + a;       // 偶數行：正常計算索引
      }
    } else {                              // 如果矩陣排列是垂直的
      if ( x & 0x01) {                    // 如果列號是奇數(x 的最低位是否為 1)
        i = kMatrixHeight * (kMatrixWidth - (a+1)) + y; // 垂直奇數列索引計算
      } else {                            
        i = kMatrixHeight * (kMatrixWidth - a) - (y+1); // 垂直偶數列索引計算
      }
    }
  }
  return i; // 返回計算出的 LED索引
}