Create temporary animation frames

createAnim.sh

if [ "$1" = "--help" ] || [ "$1" = "" ]; then
	echo "createAnim <animName> <numberOfFrames> <dims> <bgColour>"
	echo "Example: createAnim walking 3 200x200 white"
	echo "Use NONE as animName for no text"
	exit
fi

for a in `seq $2`
do
	label=$1_$a
	if [ "$1" = "NONE" ]; then
		label=" "
	fi

	convert -background $4 -font DejaVu-Sans -size $3 -gravity center \
		label:"$label" "$1_$a.png"
done