Reformatted code and altered the attraction rule to something a bit more

correct.  Also added two tests to prove it works.

1 files changed, 53 insertions, 0 deletions

diff --git a/test2.dat b/test2.dat
new file mode 100644
index 0000000..48b7c27
--- /dev/null
+++ b/test2.dat
@@ -0,0 +1,53 @@
+# For this test the two objects should orbit around the centre with the same
+# acceleration, independent of their mass.
+#
+camera 0.0, 0.0, -1000.0, 0.0;
+
+enable solid;
+enable lighting;
+disable texture;
+
+collide none;
+
+const 0.001;
+
+scale 10;
+
+
+body 	centre,
+	100,
+	0,0,0,
+	0,0,0,
+	1,1,1,
+	0;
+
+light centre,1,1,1;
+
+
+plane xy;
+
+radial	mass1,
+	1,
+	centre,
+	300,
+	90,
+	1,
+	1,0,0,
+	0;
+
+radial	mass2,
+	2,
+	centre,
+	300,
+	270,
+	1,
+	0,1,0,
+	0;
+
+look centre;
+look mass1;
+look mass2;
+
+look_at centre;
+
+particles 0.0001,0.0,1.0;