1 files changed, 58 insertions, 0 deletions
diff --git a/src/test/scala/sims/test/ClippingTest.scala b/src/test/scala/sims/test/ClippingTest.scala
new file mode 100644
index 0000000..317abfe
--- /dev/null
+++ b/src/test/scala/sims/test/ClippingTest.scala
@@ -0,0 +1,58 @@
+package sims.test
+
+import org.scalatest.FunSuite
+import org.scalatest.matchers.ShouldMatchers
+
+import sims.math._
+import sims.collision._
+
+class ClippingTest extends FunSuite with ShouldMatchers {
+	
+	/*
+	test("clipping segment to segment, outside clipping zone") {
+		val A = new Segment((1, 1), (3, 0))
+		val B = new Segment((0,0), (0, 1))
+		val C = new Segment((4,-1), (10, 5))
+		
+		(B clipped A) should equal (None)
+		(C clipped A) should equal (None)
+	}
+	
+	test("clipping segment to segment, inside clipping zone") {
+		val segments = List(
+				new Segment((2, 3), (4.5, 8)),
+				new Segment((3, -4), (2, -5)),
+				new Segment((0, 0), (10, 0)),
+				new Segment((1.1, -1234), (9.999, 0.001)),
+				new Segment((5, 5), (5, -5))
+			)
+			
+		val clippers = List(
+				new Segment((0, 0), (10, 0)),
+				new Segment((10, 0), (0, 0)),
+				new Segment((120, -0.01), (-130, -0.01)),
+				new Segment((-2.3, 10000), (14, 10000))
+			)
+			
+		def translate(s: Segment, v: Vector2D) = {
+			new Segment(s.point1 + v, s.point2 + v)
+		}
+		
+		def rotate(s: Segment, r: Double) = {
+			new Segment(s.point1 rotate r, s.point2 rotate r)
+		}
+		
+		for (s <- segments; c <- clippers) {(s clipped c).get should equal (s)}
+		
+		for (i <- 0 until 1000) for(s <- segments; c <- clippers) {
+			val r = new scala.util.Random
+			def next = r.nextDouble * 1000 * (if (r.nextBoolean) -1 else 1)
+			val x = (next, next)
+			val y = next
+			(translate(rotate(s, y), x) clipped translate(rotate(c, y), x)).get should equal (translate(rotate(s, y), x))
+		}
+		
+	}
+	*/
+
+}
+\ No newline at end of file