/*
  Forum: https://forum.arduino.cc/t/adafruit-320x240-mit-teensy-4-0-flickering/1350338
  Wokwi: https://wokwi.com/projects/422046098566960129

  ec2021

  Draw Bars/Pointers with minimum erasure effort

*/

#include "GraphicClass.h"

constexpr float Radius = 100.0;
unsigned long lastTime = 0;
int Angle = 180;
int AngleDx = 10;
int value = 1;
int delta = 1;

PointerClass pointerA, pointerB, pointerC, pointerD;
BarClass barA, barB, barC, barD;

void setup() {
  Serial.begin(115200);
  Serial.println("Graphics Example");
  tft.begin();
  pointerA.setXYR(120, 160, 80);
  clearScreen();
  tft.drawCircle(120, 160, 86, ILI9341_RED);
}


void loop(void) {
  if (millis() - lastTime > 100) {
    lastTime = millis();
    handlePointers();
  }
}

void clearScreen() {
  tft.fillScreen(ILI9341_BLACK);
}

void handlePointers() {
  pointerA.draw(Angle, ILI9341_YELLOW);
  Angle += AngleDx;
  if ((Angle > 360)) {
    Angle = AngleDx;
  }
}