1 files changed, 47 insertions, 0 deletions
diff --git a/src/test/scala/sims/test/gui/scenes/CloudScene.scala b/src/test/scala/sims/test/gui/scenes/CloudScene.scala
new file mode 100644
index 0000000..660e309
--- /dev/null
+++ b/src/test/scala/sims/test/gui/scenes/CloudScene.scala
@@ -0,0 +1,47 @@
+package sims.test.gui
+package scenes
+
+import sims.math._
+import sims.dynamics._
+
+object CloudScene extends Scene {
+	override def description = "A cloud of circles."
+		
+	val MaxItems = 1000
+	val MaxItemSize = 0.2
+	val Width = 10
+	val Height = 10
+	
+	val random = new scala.util.Random(1234567890)
+	def randomCircles(): Seq[Body] = for (i <- 0 until MaxItems) yield {
+		val rX = random.nextDouble * Width
+		val rY = random.nextDouble * Height
+		val c = new Circle(random.nextDouble * MaxItemSize) {
+			position = Vector2D(rX, rY)
+		}
+		new Body(c) {
+			linearVelocity = Vector2D(random.nextDouble * (if (random.nextBoolean) 1 else -1), random.nextDouble * (if (random.nextBoolean) 1 else -1))
+			angularVelocity = random.nextDouble * (if (random.nextBoolean) 1 else -1) * 10
+		}
+	}
+	
+	def frame() = {
+		val points = List(Vector2D(-1, -1), Vector2D(11, -1), Vector2D(11, 11), Vector2D(-1, 11))
+		for (i <- 0 until points.length) yield {
+			val sp = points(i)
+			val ep = points((i + 1) % points.length)
+			val center = (sp + ep) / 2
+			val r = new Rectangle((center - ep).length, 0.2) {
+				position = center
+				rotation = math.Pi / 2 * i
+			}
+			new Body(r) {fixed = true}
+		}
+	}	
+	
+	override def init() = {
+		world.gravity = Vector2D.Null
+		for (r <- randomCircles()) world += r
+		//for (r <- frame()) world += r
+	}
+}
+\ No newline at end of file