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-rw-r--r--config/config44
1 files changed, 32 insertions, 12 deletions
diff --git a/config/config b/config/config
index 08a7a4a..288fdb8 100644
--- a/config/config
+++ b/config/config
@@ -10,23 +10,43 @@
#
-# This defines any textures to load, and the names applied to them. Any image
-# format supported by SDL Image should be loadable.
+# This defines the GFX driver. If left undefined then the data generated is
+# simply dumped to stdout.
#
-[textures]
-example1 = files/file.png
-example2 = files/file.png
+# Drivers can have their own personal configuration section elsewhere.
+#
+[gfx]
+driver = drivers/sdl-gl.so
-# This enables or disables various graphical effects. The defaults for the
-# effects are given here.
+# Example driver configuration.
#
-[gfx]
-trails = yes
+[sdl-gl]
+width = 800
+height = 600
+fullscreen = yes
-# This defines the bodies that will be placed in the simulation.
+# This defines any textures to load, and the names applied to them. Supported
+# image formats will depend on the loaded GFX driver.
+#
+[textures]
+example1 = files/file.png
+example2 = files/file.png
+
+
+# This defines the bodies that will be placed in the simulation and the
+# constants for this universe.
+#
+# For this simulation the force acting on mass m1 from mass m2 is calculated
+# as:
+#
+# F = G x (m2 / r^2)
+#
+# This force is a vector, which normalised is the equivalent of one of the
+# co-ordinate axes discrete values in a single step of the simulation.
#
[universe]
-body = sun
-body = planet
+G = 1
+body = sun
+body = planet