#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
#define BUTTON_PIN 2

// BITMAP
byte dino[8] = {
0b00000,
0b00111, 
0b00111, 
0b10110, 
0b11111, 
0b01010, 
0b01010, 
0b00000
};

int dinoY = 1;
bool jumping = false;
unsigned long jumpStart = 0;

void setup() {
  pinMode(BUTTON_PIN, INPUT_PULLUP);
  lcd.init();
  lcd.backlight();
  lcd.createChar(0, dino);
  lcd.setCursor(0, 0);
  lcd.print("Dino V0");
  delay(1000);
  lcd.clear();
}

void loop() {
  handleInput();
  drawDino();
  delay(10);
}

void handleInput() {
  if (digitalRead(BUTTON_PIN) == LOW && !jumping) {
    jumping = true;
    jumpStart = millis();
  }
  if (jumping && (millis() - jumpStart > 400)) {
  // es war 400 - dann kontrollieren
    jumping = false;
  }
  if (jumping){dinoY=0;} else {dinoY=1;}
}

void drawDino() {
  // clear both positions
  lcd.setCursor(1, 0); lcd.print(" ");
  lcd.setCursor(1, 1); lcd.print(" ");
  // draw dino
  lcd.setCursor(1, dinoY);
  lcd.write(byte(0));
}