Create basics source files

tools/shader_watcher.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+#  ____  _   _    _    ____  _____ ____  
+# / ___|| | | |  / \  |  _ \| ____|  _ \ 
+# \___ \| |_| | / _ \ | | | |  _| | |_) |
+#  ___) |  _  |/ ___ \| |_| | |___|  _ < 
+# |____/|_| |_/_/   \_\____/|_____|_| \_\
+#                                        
+# __        ___  _____ ____ _   _ _____ ____  
+# \ \      / / \|_   _/ ___| | | | ____|  _ \ 
+#  \ \ /\ / / _ \ | || |   | |_| |  _| | |_) |
+#   \ V  V / ___ \| || |___|  _  | |___|  _ < 
+#    \_/\_/_/   \_\_| \____|_| |_|_____|_| \_\
+#                                             
+# This program require xdotool to communicate
+# with the window.
+
+wai=$(dirname $(readlink -f "$0")) # Current script directory
+
+
+refresh() {
+    wid=$(xdotool search --name 'SFML/OpenGL Ray Marching')
+    [ ! -z "$wid" ] && xdotool key --window "$wid" R
+}
+
+usage() {
+    echo "Usage: $0 [options]"
+    echo "Options:"
+    echo " --every <time> Refresh shader every <time> seconds"
+    exit 1
+}
+
+[ $# -ne 2 ] && [ $# -ne 0 ] && usage
+
+if [ $# -eq 2 ] && [ $1 == "--every" ]
+then
+    shift
+    time=$1
+    while [ true ]
+    do
+        sleep $time
+        refresh
+    done
+else
+
+    while [ true ]
+    do
+    ls $wai/../resources/shaders/*.glsl | entr -pd -s 'kill $PPID'
+    refresh
+    done
+fi