display

#!/usr/bin/env bash

# Get directory of this script
SCRIPT=`realpath -s $0`
BASEDIR=`dirname $SCRIPT`

# Check the processing-java is on PATH
processing_java_path=$(which processing-java)
if [ ! -x "$processing_java_path" ] ; then
    echo "ERROR: processing-java not on the PATH"
    echo "It can be got from: https://processing.org/download/"
    exit 1
fi

# Build sketch as application if it was not built yet
if [ ! -d "$BASEDIR/sketchbook/display/built" ]; then
    echo "Wait for compilation ..."
    cd $BASEDIR/sketchbook
    processing-java --sketch=display --output=./display/built --export
fi

read -r -d '' USAGE <<END
Visualization tool for Voronoi diagram
Usage: display.sh [width] [height]
       or
       dislay.sh [minX] [minY] [maxX] [maxY]
END

if [ $# -eq 2 -o $# -eq 4 ]; then
    "$BASEDIR"/sketchbook/display/built/display "$@"
else
    echo "$USAGE"
    exit 1
fi