#include "SPI.h"
#include "Adafruit_GFX.h"
#include "Adafruit_ILI9341.h"

#define TFT_DC 6
#define TFT_CS 10
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#define F ILI9341_BLACK
#define W ILI9341_WHITE
#define R ILI9341_RED
#define Y ILI9341_YELLOW
#define A 0xFB36

#define SPRITE_W 10
#define SPRITE_H 5
PROGMEM const uint16_t sprite1[] = {
  W,W,W,W,W,W,W,W,W,W,
  W,F,F,F,F,F,F,F,F,W,
  W,F,R,R,R,R,R,R,F,W,
  W,F,F,F,F,F,F,F,F,W,
  W,W,W,W,W,W,W,W,W,W,
};


void drawOneSprite(int x, int y, uint16_t* spr, int width, int height) {
  int length=width*height;
  tft.startWrite();
  tft.setAddrWindow(x,y,width,height);
  for (int n=0; n<length; n++) {
    tft.SPI_WRITE16( pgm_read_word( &spr[n] ) ); 
  }
  tft.endWrite(); 
}

void clearSprite(int x, int y, int width, int height, uint16_t fon){
  tft.startWrite();
  tft.setAddrWindow(x,y,width,height);
  int length=width*height;
  for (int n=0; n<length; n++) {
    tft.SPI_WRITE16( fon ); 
  }
  tft.endWrite(); 
}

struct str_sprite { // структура для інформації про кожен спрайт
  int x;
  int y;
  int w;
  int h;

};

#define CNT_SPRITES 10
str_sprite mas[ CNT_SPRITES ];  // масив структур кожного спрайта

void setup() {
  tft.begin();
  tft.setTextColor( ILI9341_RED );
  tft.setRotation(1);
  tft.println("Hi!");
  int xn = 10;
  int yn = 5;

  for( int i=0; i<CNT_SPRITES; i++) {
    mas[i].x = xn + i * 12;
    mas[i].y = yn + i * 10;
    mas[i].w = SPRITE_W;
    mas[i].h = SPRITE_H;
    drawOneSprite(mas[i].x, mas[i].y, sprite1, mas[i].w, mas[i].h);
  }

}

void move_sprite1(){
  for( int i=0; i<CNT_SPRITES; i++){
    clearSprite(mas[i].x, mas[i].y, mas[i].w, mas[i].h, F );
    mas[i].x = mas[i].x + random(11)-5;
    mas[i].y = mas[i].y + random(3)-1;
    drawOneSprite(mas[i].x, mas[i].y, sprite1, mas[i].w, mas[i].h);
  }
}


void loop() {
  move_sprite1();
  delay(50);
}