Add transparent background support

gallery/alpha/alpha.sh

@@ -18,7 +18,10 @@ trap _cleanup_and_exit SIGINT # Ctrl‑C
 width=$(tput cols)
 height=$(tput lines)
 
-tput setab 0 # black background
+
+if [[ ! transparent_background -eq 1 ]]; then
+  tput setab 0 # black background
+fi
 clear
 tput civis # no cursor
 

gallery/bouncing/bouncing.sh

@@ -22,7 +22,10 @@ trap _cleanup_and_exit SIGINT # Ctrl‑C
 # Main animation loop
 #
 animate() {
-    tput setab 0 # black background
+
+    if [[ ! transparent_background -eq 1 ]]; then
+      tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 

gallery/cutesaver/cutesaver.sh

@@ -53,7 +53,9 @@ sleep 2
 
 # Now we'll simply start the animation.
 animate() {
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+      tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 

gallery/fireworks/fireworks.sh

@@ -61,7 +61,9 @@ draw_firework() {
 # Main animation loop
 #
 animate() {
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+      tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 

gallery/matrix/matrix.sh

@@ -43,7 +43,9 @@ trap _cleanup_and_exit SIGINT # Catch Ctrl‑C
 # Main animation loop (Optimized)
 #
 animate() {
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+      tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 

gallery/pipes/pipes.sh

@@ -261,7 +261,9 @@ init_screen() {
     stty -echo
     tput smcup
     tput civis
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+      tput setab 0 # black background
+    fi
     tput clear
 
     resize

gallery/rain/rain.sh

@@ -26,7 +26,9 @@ trap _cleanup_and_exit SIGINT # Ctrl‑C
 # Main animation loop (Optimized)
 #
 animate() {
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+      tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 

gallery/speaky/speaky.sh

@@ -388,7 +388,9 @@ trap cleanup_and_exit SIGINT
 the_show_must_go_on() {
     lov_detect_engine
     lov_hide_cursor
-    lov_back_color 0 # Set background to black
+    if [[ ! transparent_background -eq 1 ]]; then
+        lov_back_color 0 # Set background to black
+    fi
     lov_clear_screen
 
     if [ -z "$LOV_TTS_ENGINE" ]; then

gallery/stars/stars.sh

@@ -17,9 +17,9 @@ DELAY=0.02
 STARS=("*" "." "+" "'" "O")
 
 _cleanup_and_exit() { # handler for SIGINT (Ctrl‑C)
-  tput cnorm # show cursor
-  tput sgr0 # restore screen
-  exit 0
+    tput cnorm        # show cursor
+    tput sgr0         # restore screen
+    exit 0
 }
 
 trap _cleanup_and_exit SIGINT # Ctrl‑C
@@ -28,7 +28,9 @@ trap _cleanup_and_exit SIGINT # Ctrl‑C
 # Main animation loop
 #
 animate() {
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+        tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 

gallery/tunnel/tunnel.sh

@@ -10,10 +10,10 @@ COLORS=($'\e[31m' $'\e[32m' $'\e[33m' $'\e[34m' $'\e[35m' $'\e[36m')
 DELAY=0.02
 
 _cleanup_and_exit() { # handler for SIGINT (Ctrl‑C)
-  tput cnorm       # show the cursor again
-  tput sgr0
-  echo
-  exit 0
+    tput cnorm        # show the cursor again
+    tput sgr0
+    echo
+    exit 0
 }
 
 trap _cleanup_and_exit SIGINT # Ctrl‑C
@@ -22,7 +22,9 @@ trap _cleanup_and_exit SIGINT # Ctrl‑C
 # Main animation loop
 #
 animate() {
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+        tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 
@@ -47,24 +49,23 @@ animate() {
     local is_moving=0 # Start in a paused state
     local next_state_change_time
     next_state_change_time=$(date +%s)
-    local move_duration=10 # seconds
-    local min_pause_duration=5 # seconds
+    local move_duration=10      # seconds
+    local min_pause_duration=5  # seconds
     local max_pause_duration=20 # seconds
     local angle_increment=0.005 # Slow down the movement
 
-
     # Plot a point, checking for screen boundaries
     plot_point() {
         local x=$1 y=$2 char=$3 color=$4
-        if (( x >= 0 && x < width && y >= 0 && y < height )); then
+        if ((x >= 0 && x < width && y >= 0 && y < height)); then
             frame_buffer+="\e[$((y + 1));$((x + 1))H${color}${char}"
         fi
     }
 
     # Erase a point, checking for screen boundaries
     erase_point() {
         local x=$1 y=$2
-        if (( x >= 0 && x < width && y >= 0 && y < height )); then
+        if ((x >= 0 && x < width && y >= 0 && y < height)); then
             frame_buffer+="\e[$((y + 1));$((x + 1))H "
         fi
     }
@@ -73,8 +74,8 @@ animate() {
         # --- State management for movement ---
         local current_time
         current_time=$(date +%s)
-        if (( current_time >= next_state_change_time )); then
-            if (( is_moving )); then
+        if ((current_time >= next_state_change_time)); then
+            if ((is_moving)); then
                 # Transition to paused state
                 is_moving=0
                 local pause_duration=$((RANDOM % (max_pause_duration - min_pause_duration + 1) + min_pause_duration))
@@ -87,7 +88,7 @@ animate() {
         fi
 
         # --- Update center coordinates only when moving ---
-        if (( is_moving )); then
+        if ((is_moving)); then
             # When moving, the center of the tunnel is continuously recalculated
             # to create the illusion of flying through a turning tunnel.
             read -r angle center_x center_y < <(awk -v angle="$angle" \
@@ -102,22 +103,21 @@ animate() {
                 }')
         fi
 
-
         frame_buffer=""
         # Add a new ribbon every few frames
-        if (( frame_counter % ribbon_spacing == 0 )); then
+        if ((frame_counter % ribbon_spacing == 0)); then
             radii+=("1 $center_x $center_y")
         fi
 
         local -a next_radii=()
         for ridge_data in "${radii[@]}"; do
             local r cx cy
-            read -r r cx cy <<< "$ridge_data"
+            read -r r cx cy <<<"$ridge_data"
 
             if [ $r -gt 0 ]; then
-                local prev_r=$((r-1))
+                local prev_r=$((r - 1))
                 # Erase the previous shape
-                for ((i=0; i < prev_r; i++)); do
+                for ((i = 0; i < prev_r; i++)); do
                     erase_point $((cx + i)) $((cy - prev_r + i))
                     erase_point $((cx + prev_r - i)) $((cy + i))
                     erase_point $((cx - i)) $((cy + prev_r - i))
@@ -128,7 +128,7 @@ animate() {
             local color=${COLORS[$((r % ${#COLORS[@]}))]}
             local char=${CHARS[$((r % ${#CHARS[@]}))]}
             # Draw a square/diamond shape
-            for ((i=0; i < r; i++)); do
+            for ((i = 0; i < r; i++)); do
                 plot_point $((cx + i)) $((cy - r + i)) "$char" "$color"
                 plot_point $((cx + r - i)) $((cy + i)) "$char" "$color"
                 plot_point $((cx - i)) $((cy + r - i)) "$char" "$color"
@@ -137,7 +137,7 @@ animate() {
 
             # Increment radius for the next frame, and keep it if it's not too large
             local next_r=$((r + 1))
-            if (( next_r < max_radius )); then
+            if ((next_r < max_radius)); then
                 next_radii+=("$next_r $cx $cy")
             fi
         done

gallery/vibe/vibe.sh

@@ -9,22 +9,22 @@
 # --- Configuration ---
 # Color palette for the "dark -> bright -> dark" cycle.
 PALETTE=(
-    $'\e[38;5;22m'   # Dark Green
+    $'\e[38;5;22m' # Dark Green
     $'\e[38;5;28m'
     $'\e[38;5;34m'
     $'\e[38;5;40m'
-    $'\e[38;5;46m'   # Bright Green
+    $'\e[38;5;46m' # Bright Green
     $'\e[38;5;82m'
     $'\e[38;5;118m'
-    $'\e[38;5;45m'   # Bright Blue
+    $'\e[38;5;45m' # Bright Blue
     $'\e[38;5;39m'
     $'\e[38;5;33m'
     $'\e[38;5;27m'
-    $'\e[38;5;21m'   # Dark Blue
-    $'\e[38;5;52m'   # Dark Purple
+    $'\e[38;5;21m' # Dark Blue
+    $'\e[38;5;52m' # Dark Purple
     $'\e[38;5;93m'
     $'\e[38;5;129m'
-  $'\e[38;5;165m' # Bright Purple
+    $'\e[38;5;165m' # Bright Purple
 )
 RESET=$'\e[0m'
 
@@ -49,35 +49,34 @@ CONTENT=(
 )
 
 GLITCHES=(
-"
+    "
    _  _
   ( \/ )
    \  /
     )(
    (__)
 "
-"
+    "
   ____
  (____)
  (____)
  (____)
 "
-"SYNTAX ERROR"
-"DECOMPILING..."
+    "SYNTAX ERROR"
+    "DECOMPILING..."
 )
 
-
 # The maximum length of the character streams
 MAX_STREAM_LEN=20
 # Animation speed (lower is faster)
 DELAY=0.04
 
 _cleanup_and_exit() { # handler for SIGINT (Ctrl‑C)
-  tput cnorm       # show the cursor again
-  tput sgr0        # reset all attributes
-  clear
-  echo
-  exit 0
+    tput cnorm        # show the cursor again
+    tput sgr0         # reset all attributes
+    clear
+    echo
+    exit 0
 }
 
 trap _cleanup_and_exit SIGINT # Catch Ctrl‑C
@@ -86,7 +85,9 @@ trap _cleanup_and_exit SIGINT # Catch Ctrl‑C
 # Main animation loop (Optimized)
 #
 animate() {
-    tput setab 0 # black background
+    if [[ ! transparent_background -eq 1 ]]; then
+        tput setab 0 # black background
+    fi
     clear
     tput civis # Hide cursor
 
@@ -97,12 +98,12 @@ animate() {
     height=$(tput lines)
 
     # Initialize column arrays
-    local -a heads           # y-position of the head of the stream
-    local -a stream_lengths  # length of the stream
-    local -a active_cols     # 1 if column is active, 0 if not
+    local -a heads          # y-position of the head of the stream
+    local -a stream_lengths # length of the stream
+    local -a active_cols    # 1 if column is active, 0 if not
     local -a stream_content
 
-    for ((i=0; i<width; i++)); do
+    for ((i = 0; i < width; i++)); do
         active_cols[$i]=0
     done
 
@@ -119,8 +120,7 @@ animate() {
             frame_buffer+="\e[${glitch_y};${glitch_x}H\e[38;5;231m\e[48;5;52m${glitch_content}${RESET}"
         fi
 
-
-        for ((i=0; i<width; i++)); do
+        for ((i = 0; i < width; i++)); do
             # If a column is inactive, randomly decide to activate it
             if [ ${active_cols[$i]} -eq 0 ]; then
                 if [ $((RANDOM % 100)) -lt 5 ]; then
@@ -138,13 +138,13 @@ animate() {
             local content_len=${#content}
 
             # --- Draw the full stream with the color cycle gradient ---
-            for ((j=0; j < stream_len; j++)); do
+            for ((j = 0; j < stream_len; j++)); do
                 local y=$((y_head - j))
                 if [ $y -lt 1 ]; then break; fi
 
                 local color_index=$((j % ${#PALETTE[@]}))
                 local color=${PALETTE[$color_index]}
-                local char_index=$(( (y_head - y) % content_len ))
+                local char_index=$(((y_head - y) % content_len))
                 local char=${content:$char_index:1}
                 frame_buffer+="\e[${y};$((i + 1))H${color}${char}"
             done
@@ -169,7 +169,7 @@ animate() {
 
         # Vary the speed slightly
         local random_delay
-        random_delay=$(printf "0.0%d" $((RANDOM % 3 + 2)) )
+        random_delay=$(printf "0.0%d" $((RANDOM % 3 + 2)))
         sleep $random_delay
     done
 }