Update to Scala 2.13

.gitignore

@@ -30,4 +30,9 @@ lift_example
 vagrant/.bashrc
 vagrant/sbt-launch.jar
 
+# Metals
+.metals/
+.bloop/
+metals.sbt
+
 tmp

build.sbt

@@ -2,10 +2,12 @@ lazy val root = (project in file(".")).
   settings(
     name := "Boids",
     version := "1.0",
-    scalaVersion := "2.12.8"
+    scalaVersion := "2.13.1"
   )
 
-libraryDependencies += "org.scalafx" %% "scalafx" % "8.0.144-R12"
-libraryDependencies += "org.typelevel"  %% "squants"  % "1.3.0"
-libraryDependencies += "org.scalactic" %% "scalactic" % "3.0.5"
-libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.5" % "test"
+
+
+libraryDependencies += "org.scalafx" %% "scalafx" % "12.0.2-R18"
+libraryDependencies += "org.typelevel"  %% "squants"  % "1.6.0"
+libraryDependencies += "org.scalactic" %% "scalactic" % "3.1.1"
+libraryDependencies += "org.scalatest" %% "scalatest" % "3.1.1" % "test"

project/build.properties

-sbt.version=1.2.8
+sbt.version=1.3.8

src/main/scala/cosc250/boids/BoidsApp.scala

@@ -79,7 +79,7 @@ object BoidsApp {
 
     container.add(controlsContainer, BorderLayout.EAST)
 
-    window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE)
+    window.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE)
     window.add(container)
     window.setSize(container.getPreferredSize)
     window.setVisible(true)