1 files changed, 41 insertions, 0 deletions
diff --git a/src/test/scala/sims/test/gui/scenes/CollisionScene.scala b/src/test/scala/sims/test/gui/scenes/CollisionScene.scala
new file mode 100644
index 0000000..cf2ea61
--- /dev/null
+++ b/src/test/scala/sims/test/gui/scenes/CollisionScene.scala
@@ -0,0 +1,41 @@
+package sims.test.gui
+package scenes
+
+import sims.dynamics._
+import sims.math._
+import sims.dynamics._
+
+object CollisionScene extends Scene {
+	override def description = "A basic collision detection test."
+	
+	var c1 = (new Circle(1) {restitution = 1.0}).asBody
+	var c2 = (new Circle(1) {position = Vector2D(3, 0)}).asBody
+	var r1 = (new Rectangle(0.5, 0.5) {position = Vector2D(6,0)}).asBody
+	
+	def init() = {
+		c1 = (new Circle(1) {restitution = 1.0}).asBody
+		c2 = (new Circle(1) {position = Vector2D(3, 0); restitution = 1.0}).asBody
+		r1 = (new Rectangle(0.5, 0.5) {position = Vector2D(6,0)}).asBody
+		
+		c1.linearVelocity = Vector2D(1, 0)
+	
+		world.gravity = Vector2D(0, 0)
+		world += c1
+		world += c2
+		world += r1
+		
+		reactions += {
+			case Stepped(`world`) =>
+				println(
+					"p: " + (c1.linearMomentum.length + c2.linearMomentum.length + r1.linearMomentum.length).toFloat + 
+					"\tE: " + (E(c1) + E(c2) + E(r1)).toFloat
+					)
+		}
+	}
+	
+	
+	def E(b: Body) = {
+		(b.linearVelocity dot b.linearVelocity) * b.mass / 2
+	}
+		
+}
+\ No newline at end of file