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| #!/usr/bin/bash | |
| steps=20 | |
| in=$1 | |
| out=$2 | |
| tmp=$(mktemp --directory) | |
| echo "> $tmp" | |
| collate= | |
| for i in $(seq 1 $steps); do | |
| let deg=$(echo "360/$steps * $i" | bc); | |
| echo $deg; | |
| convert $1 -background 'rgba(0,0,0,0)' -distort SRT $deg "$tmp/$i.gif" | |
| collate="$collate $tmp/$i.gif" | |
| done | |
| convert -delay 10 -loop 0 -dispose previous $collate "$out" |
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