1 files changed, 59 insertions, 0 deletions
diff --git a/src/graphyx/tests/Cannon.scala b/src/graphyx/tests/Cannon.scala
new file mode 100644
index 0000000..7738103
--- /dev/null
+++ b/src/graphyx/tests/Cannon.scala
@@ -0,0 +1,59 @@
+package graphyx.tests
+
+import sims.dynamics._
+import sims.geometry._
+import sims.prefabs._
+
+object Cannon extends Test{
+  val title = "Cannon"
+  val world = new World
+  
+  def init = { 
+    val cannon = new Prefab{
+      val hull = new Body(
+      new Rectangle(0.1,0.5,1) {pos = Vector2D(0.1, 0.6); friction = 0.0},
+      new Rectangle(0.1,0.5,1) {pos = Vector2D(0.5, 0.6); friction = 0.0},
+      new Rectangle(0.1,0.1,1) {pos = Vector2D(0.3, 0.2); friction = 0.0}
+      )
+      hull.fixed = true
+      hull.rotation -= Math.Pi / 2
+    
+      val ball = new Body(new Circle(0.1,100) {pos = Vector2D(0.3, 0.56)})
+    
+      override val bodies = List(hull, ball)
+      override val joints = Nil
+    }
+    val n = 10
+    val r = 0.1
+    val initialPos = Vector2D(5,0)
+    val stack = for (i <- (0 to n).toList) yield {
+      for (j <- (0 to n-i).toList) yield
+        new Body(
+          new Circle(r,10){
+            pos = Vector2D(2 * j * r + i * r, 1.7 * i * r) + initialPos
+          }
+        ) {fixed = (i == 0)}
+    }
+    world += cannon
+    world ++= List.flatten(stack)
+    
+  }
+  
+  enableEvent = true
+  override def fireEvent() = blastBomb
+  
+  def blastBomb() = {
+    val bombPos = Vector2D(0, 0.56)
+    val bombRadius = 1
+    val bombImpulse = 200
+    val region = new Circle(bombRadius, 0) {pos = bombPos}
+    val detector = world.detector.asInstanceOf[sims.collision.GridDetector]
+    val collisions = for (s <- world.shapes; if detector.colliding(sims.collision.Pair(region, s))) yield detector.collision(sims.collision.Pair(region, s))
+    for (c <- collisions) {
+      if (c.shape1 != region)
+        for(p <- c.points) c.shape1.body.applyImpulse((p - bombPos).unit * bombImpulse, p)
+      if (c.shape2 != region)
+        for(p <- c.points) c.shape2.body.applyImpulse((p - bombPos).unit * bombImpulse, p)
+    }
+  }
+}