i hope you're happy

stupid_dino_game.bash

#!/usr/bin/env bash

wx=24
wy=9

px=18
py=4

cy=4
cx=1

jumping=
score=0
score_offset=19
clear
tput civis

restore() {
  tput cnorm
}

ground=( \
  "  .     .  .     . ." \
  " .  .     .   .    ." \
  "      . .    .   .  " \
)

gh="${#ground[@]}"
gw="${#ground[0]}"
gy=$((wy-gh-1))
t=0
jt=0

trap restore EXIT

draw() {
  local drew_cactus=
  local drew_dino=
  printf "\e[%sA\e[%sD" "$((wy+1))" "$((wx+2))"
  for ((y=0; y<=wy; y++)); do
  for ((x=0; x<=wx; x++)); do
    c=' '
    wx1=$((wx-1))
    cx1=$((cx+1))
    px1=$((px+1))
    if [[ x -eq cx && y -eq cy && x -lt wx1 ]]; then
      c="🌵"
      drew_cactus=1
    # emojis are 2 wide, compensate
    elif [[ x -eq cx1 && y -eq cy && -n $drew_cactus ]]; then
      c=""
    elif [[ x -eq px && y -eq py ]]; then
      if [[ px1 -ne cx || cy -ne py ]]; then
        c="🦖"
        drew_dino=1
      fi
    # emojis are 2 wide, compensate
    elif [[ x -eq px1 && y -eq py && -n $drew_dino ]]; then
      c=""
    fi
    if [[ y -eq gy ]]; then
      c='-'
    fi
    if [[ y -gt gy ]]; then
      modded=$(((x - t) % gw))
      id=$((y-gy-1))
      c="${ground[$id]}"
      c="${c:$modded:1}"
    fi
    if [[ y -eq 0 ]]; then
      c='─'
      if [[ x -eq 0 ]]; then
        c='┌'
      elif [[ x -eq wx ]]; then
        c='┐'
      fi
    elif [[ y -eq wy ]]; then
      c='─'
      if [[ x -eq 0 ]]; then
        c='└'
      elif [[ x -eq wx ]]; then
        c='┘'
      fi
    elif [[ x -eq 0 ]]; then
      c='│'
    elif [[ x -eq wx ]]; then
      c='│'
    fi
    printf "%s" "$c"
  done
    printf "  \n"
  done
  printf "Score: %s  " $score
  if [[ -z $drew_dino ]]; then
    game_over
  fi
}

game_over() {
  echo "    Game Over!"
  exit 0
}

while true; do
  read -r -s -N1 -t0.1 input && sleep 0.1
  if [[ ${input:0:1} == " " && -z $jumping ]]; then
    jumping=true
    jt=0
    py=3
  fi
  if [[ -n $jumping ]]; then
    if [[ $jt -eq 1 ]]; then
      py=2
    elif [[ $jt -eq 2 ]]; then
      py=3
    fi
    if [[ $jt -ge 3 ]]; then
      py=4
      jumping=
    fi
  fi

  cx=$((t % wx + 1))
  draw

  ((t++))
  ((jt++))
  if (( (t - score_offset) % wx == 0)); then
    ((score++))
  fi
done