need help replacing delay with millis

ok, want replace 2 spots used delay in,
i got working great need run code without delay, can help?
please

code: [select]

#include <adafruit_gfx.h>
#include <mcufriend_kbv.h>
mcufriend_kbv tft;
#include <onewire.h>
#include <utftglue.h>
#include <dallastemperature.h>
onewire bus(31); //  set pin tempurature sensor wire
dallastemperature sensors(&bus);


/// temperature

//floats
//c
float mytemp0;
float mytemp1;
float mytemp2;
float mytemp3;
float mytemp4;
float mytemp5;
//f
float mytemp0f;
float mytemp1f;
float mytemp2f;
float mytemp3f;
float mytemp4f;
float mytemp5f;


// char array print screen
//c
char sensorprintout0[8];
char sensorprintout1[8];
char sensorprintout2[8];
char sensorprintout3[8];
char sensorprintout4[8];
char sensorprintout5[8];
//f
char sensorprintout0f[8];
char sensorprintout1f[8];
char sensorprintout2f[8];
char sensorprintout3f[8];
char sensorprintout4f[8];
char sensorprintout5f[8];

//colors, either hex or decimal
#define black   0x0000
#define blue    0x001f
#define red     0xf800
#define green   0x07e0
#define cyan    0x07ff
#define magenta 0xf81f
#define yellow  0xffe0
#define white   0xffff

//fonts
//#define font1
//#define font2
//#define font3
//#define font4





///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void setup() {

  //// start up
  tft.reset();
  uint16_t id = tft.readid();
  tft.begin(id);
  tft.setrotation(1);

  tft.fillscreen(red);
  tft.settextsize(4);
  tft.settextcolor(white, red);
  tft.setcursor(30, 100);
  tft.print("start up");
  delay(4000);
  tft.reset();
  tft.begin(id);
  tft.setrotation(0);
  tft.fillscreen(black);
  tft.settextsize(2);     // system font 8 pixels.  ht = 8*x=16   x = put in brackets,
  tft.setfont();

  sensors.begin();
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void loop() {
  temp();
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void temp() {
  ///tempurature set up


  tft.settextcolor(magenta, black);
  tft.setcursor(20, 20);
  tft.print("tempuratures ---");
  readtemp(); // read temperature.
  calltemp(); // call temperature.
  printtemp(); // print temperature.
  delay(2000);
}

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void readtemp() {
  sensors.requesttemperatures(); // send command temperatures.
  //c
  mytemp0 = (sensors.gettempcbyindex(0));
  mytemp1 = (sensors.gettempcbyindex(1));
  mytemp2 = (sensors.gettempcbyindex(2));
  mytemp3 = (sensors.gettempcbyindex(3));
  mytemp4 = (sensors.gettempcbyindex(4));
  mytemp5 = (sensors.gettempcbyindex(5));
  //f
  mytemp0f = (sensors.gettempfbyindex(0));
  mytemp1f = (sensors.gettempfbyindex(1));
  mytemp2f = (sensors.gettempfbyindex(2));
  mytemp3f = (sensors.gettempfbyindex(3));
  mytemp4f = (sensors.gettempfbyindex(4));
  mytemp5f = (sensors.gettempfbyindex(5));

  delay(3000);
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////
void calltemp() {
  //c
  string mytemp0 = string(sensors.gettempcbyindex(0));
  mytemp0.tochararray(sensorprintout0, 8);
  string mytemp1 = string(sensors.gettempcbyindex(1));
  mytemp1.tochararray(sensorprintout1, 8);
  string mytemp2 = string(sensors.gettempcbyindex(2));
  mytemp2.tochararray(sensorprintout2, 8);
  string mytemp3 = string(sensors.gettempcbyindex(3));
  mytemp3.tochararray(sensorprintout3, 8);
  string mytemp4 = string(sensors.gettempcbyindex(4));
  mytemp4.tochararray(sensorprintout4, 8);
  string mytemp5 = string(sensors.gettempcbyindex(5));
  mytemp5.tochararray(sensorprintout5, 8);
  //f
  string mytemp0f = string(sensors.gettempfbyindex(0));
  mytemp0f.tochararray(sensorprintout0f, 8);
  string mytemp1f = string(sensors.gettempfbyindex(1));
  mytemp1f.tochararray(sensorprintout1f, 8);
  string mytemp2f = string(sensors.gettempfbyindex(2));
  mytemp2f.tochararray(sensorprintout2f, 8);
  string mytemp3f = string(sensors.gettempfbyindex(3));
  mytemp3f.tochararray(sensorprintout3f, 8);
  string mytemp4f = string(sensors.gettempfbyindex(4));
  mytemp4f.tochararray(sensorprintout4f, 8);
  string mytemp5f = string(sensors.gettempfbyindex(5));
  mytemp5f.tochararray(sensorprintout5f, 8);
}

/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
void printtemp() {

  // sensor one///////////////////////////////////////////////////
  if ((mytemp0 >= 25) && (mytemp0 <= 30))
  {
    tft.settextcolor(green, black);
  }
  else if (mytemp0 <= 24)
  {
    tft.settextcolor(blue, black);
  }
  else if (mytemp0 >= 31)
  {
    tft.settextcolor(red, black);
  }
  tft.setcursor(160, 80);
  tft.settextsize(1);
  tft.print("top");
  tft.settextsize(2);
  tft.setcursor(0, 100);
  tft.print(sensorprintout0);
  tft.print(" c  ");
  tft.print(sensorprintout0f);
  tft.print(" f");

  //sensor two///////////////////////////////////////////////////
  if ((mytemp1 >= 25) && (mytemp1 <= 30))
  {
    tft.settextcolor(green, black);
  }
  else if (mytemp1 <= 24)
  {
    tft.settextcolor(blue, black);
  }
  else if (mytemp1 >= 31)
  {
    tft.settextcolor(red, black);
  }
  tft.setcursor(160, 130);
  tft.settextsize(1);
  tft.print("top");
  tft.settextsize(2);
  tft.setcursor(0, 150);
  tft.print(sensorprintout1);
  tft.print(" c  ");
  tft.print(sensorprintout1f);
  tft.print(" f");

  //sensor three/////////////////////////////////////////////////
  if ((mytemp2 >= 25) && (mytemp2 <= 30))
  {
    tft.settextcolor(green, black);
  }
  else if (mytemp2 <= 24)
  {
    tft.settextcolor(blue, black);
  }
  else if (mytemp2 >= 31)
  {
    tft.settextcolor(red, black);
  }
  tft.setcursor(160, 180);
  tft.settextsize(1);
  tft.print("middle");
  tft.settextsize(2);
  tft.setcursor(0, 200);
  tft.print(sensorprintout2);
  tft.print(" c  ");
  tft.print(sensorprintout2f);
  tft.print(" f");
  //sensor four//////////////////////////////////////////////////
  if ((mytemp3 >= 25) && (mytemp3 <= 30))
  {
    tft.settextcolor(green, black);
  }
  else if (mytemp3 <= 24)
  {
    tft.settextcolor(blue, black);
  }
  else if (mytemp3 >= 31)
  {
    tft.settextcolor(red, black);
  }
  tft.setcursor(160, 230);
  tft.settextsize(1);
  tft.print("middle");
  tft.settextsize(2);
  tft.settextsize(2);
  tft.setcursor(0, 250);
  tft.print(sensorprintout3);
  tft.print(" c  ");
  tft.print(sensorprintout3f);
  tft.print(" f");

  //sensor five/////////////////////////////////////////////////
  if ((mytemp4 >= 25) && (mytemp4 <= 30))
  {
    tft.settextcolor(green, black);
  }
  else if (mytemp4 <= 24)
  {
    tft.settextcolor(blue, black);
  }
  else if (mytemp4 >= 31)
  {
    tft.settextcolor(red, black);
  }
  tft.setcursor(160, 280);
  tft.settextsize(1);
  tft.print("bottom");
  tft.settextsize(2);
  tft.setcursor(0, 300);
  tft.print(sensorprintout4);
  tft.print(" c  ");
  tft.print(sensorprintout4f);
  tft.print(" f");

  //sensor six/////////////////////////////////////////////////////
  if ((mytemp5 >= 25) && (mytemp5 <= 30))
  {
    tft.settextcolor(green, black);
  }
  else if (mytemp5 <= 24)
  {
    tft.settextcolor(blue, black);
  }
  else if (mytemp5 >= 31)
  {
    tft.settextcolor(red, black);
  }
  tft.setcursor(160, 330);
  tft.settextsize(1);
  tft.print("bottom");
  tft.settextsize(2);
  tft.setcursor(0, 350);
  tft.print(sensorprintout5);
  tft.print(" c  ");
  tft.print(sensorprintout5f);
  tft.print(" f");

}




tl,dr.
needs more array

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