1 files changed, 21 insertions, 0 deletions
diff --git a/src/main/scala/sims/collision/Detector.scala b/src/main/scala/sims/collision/Detector.scala
new file mode 100644
index 0000000..96af5dc
--- /dev/null
+++ b/src/main/scala/sims/collision/Detector.scala
@@ -0,0 +1,21 @@
+/*
+ * Simple Mechanics Simulator (SiMS)
+ * copyright (c) 2009 Jakob Odersky
+ * made available under the MIT License
+*/
+
+package sims.collision
+
+
+import sims.geometry._
+import sims.dynamics._
+
+/**A world detects its collisions through concrete implementations of this class.*/
+abstract class Detector {
+  
+  /**The world whose shapes are to be checked for collisions.*/
+  val world: World
+  
+  /**Returns all collisions between shapes in the world <code>world</code>.*/
+  def collisions: Seq[Collision]
+}
+\ No newline at end of file