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modified initial text rainbow a bit more

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crowetic 2025-07-15 17:57:32 -07:00
parent ab5f1ac8a7
commit ff9e852444
1 changed files with 8 additions and 13 deletions
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21
Qortal-Setup-Linux.sh
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@ -12,18 +12,19 @@ NC='\033[0m'
render_gradient_string() { render_gradient_string() {
local input="$1" local input="$1"
local regex='#([0-9a-fA-F]{6})(.)' local regex='#([0-9a-fA-F]{6})(.)'
while [[ $input =~ $regex ]]; do while [[ "$input" =~ $regex ]]; do
color="${BASH_REMATCH[1]}" color="${BASH_REMATCH[1]}"
char="${BASH_REMATCH[2]}" char="${BASH_REMATCH[2]}"
r=$((16#${color:0:2})) r=$((16#${color:0:2}))
g=$((16#${color:2:2})) g=$((16#${color:2:2}))
b=$((16#${color:4:2})) b=$((16#${color:4:2}))
printf "\e[38;2;%d;%d;%dm%s" "$r" "$g" "$b" "$char" printf "\e[38;2;%d;%d;%dm%s" "$r" "$g" "$b" "$char"
input=${input#*"${char}"} input="${input#"#${color}${char}"}"
done done
echo -e "\e[0m" echo -e "\e[0m"
} }
rainbowize_text() { rainbowize_text() {
local text="$1" local text="$1"
local freq=0.15 local freq=0.15
@ -31,7 +32,6 @@ rainbowize_text() {
local output="" local output=""
local pi=3.14159265 local pi=3.14159265
# Clamp function to limit brightness
clamp() { clamp() {
local val="$1" local val="$1"
local min="$2" local min="$2"
@ -42,24 +42,17 @@ rainbowize_text() {
fi fi
} }
while IFS= read -r line || [[ -n "$line" ]]; do while IFS= read -r line || [ -n "$line" ]; do
for (( j=0; j<${#line}; j++ )); do for (( j=0; j<${#line}; j++ )); do
char="${line:$j:1}" char="${line:$j:1}"
if [[ "$char" == " " ]]; then
output+="$char"
continue
fi
r=$(awk -v i="$i" -v f="$freq" 'BEGIN { printf("%d", 127 * (sin(f*i + 0) + 1)) }') r=$(awk -v i="$i" -v f="$freq" 'BEGIN { printf("%d", 127 * (sin(f*i + 0) + 1)) }')
g=$(awk -v i="$i" -v f="$freq" 'BEGIN { printf("%d", 127 * (sin(f*i + 2*3.1415/3) + 1)) }') g=$(awk -v i="$i" -v f="$freq" 'BEGIN { printf("%d", 127 * (sin(f*i + 2*3.1415/3) + 1)) }')
b=$(awk -v i="$i" -v f="$freq" 'BEGIN { printf("%d", 127 * (sin(f*i + 4*3.1415/3) + 1)) }') b=$(awk -v i="$i" -v f="$freq" 'BEGIN { printf("%d", 127 * (sin(f*i + 4*3.1415/3) + 1)) }')
# Clamp each component
r=$(clamp "$r" 50 230) r=$(clamp "$r" 50 230)
g=$(clamp "$g" 50 230) g=$(clamp "$g" 50 230)
b=$(clamp "$b" 50 230) b=$(clamp "$b" 50 230)
# Convert to hex
rh=$(printf "%02x" "$r") rh=$(printf "%02x" "$r")
gh=$(printf "%02x" "$g") gh=$(printf "%02x" "$g")
bh=$(printf "%02x" "$b") bh=$(printf "%02x" "$b")
@ -67,13 +60,15 @@ rainbowize_text() {
output+="#${rh}${gh}${bh}${char}" output+="#${rh}${gh}${bh}${char}"
((i++)) ((i++))
done done
output+=$'\n' output+=$'\n' # Important!
done <<< "$text" done <<< "$text"
echo "$output" echo -ne "$output"
} }
# rainbowize_text() { # rainbowize_text() {
# local text="$1" # local text="$1"
# local freq=0.15 # local freq=0.15