1 files changed, 32 insertions, 0 deletions
diff --git a/src/graphyx/tests/Spring.scala b/src/graphyx/tests/Spring.scala
new file mode 100644
index 0000000..4eec8de
--- /dev/null
+++ b/src/graphyx/tests/Spring.scala
@@ -0,0 +1,32 @@
+package graphyx.tests
+
+import sims.dynamics._
+import sims.dynamics.joints._
+import sims.geometry._
+import java.io._
+
+object Spring extends Test{
+  val title = "Spring"
+  val fout = new java.io.FileOutputStream("out.csv")
+  val sout = new java.io.PrintStream(fout)
+  val world = new World {
+    override def postStep = {
+      //for (b <- bodies; if (b.monitor)) sout.println(monitors(0)._2(b))
+    }
+  }
+  
+  def init = {
+    val anchor = Circle(0.05, 10).asBody
+    anchor.fixed = true
+    val particle = (new Circle(0.1, 10) {pos = Vector2D(0, -1)}).asBody
+    val spring = new SpringJoint(anchor, particle, 500, 0.6)
+    //val spring = new PrismaticJoint(anchor, particle)
+    spring.damping = 1
+    particle.monitor = true
+    world.monitors += ("", _.pos.y.toString)
+    
+    world += anchor
+    world += particle
+    world += spring
+  }
+}