Stops the sky from rotating.

Also: asteroids go front when you move back. Uranus rotates about the right axis.

punyverse/game.py

@@ -197,7 +197,7 @@ class Applet(pyglet.window.Window):
             elif symbol == key.SPACE:
                 c = self.cam
                 dx, dy, dz = c.direction()
-                speed = self.speed * 1.1 + 5
+                speed = abs(self.speed) * 1.1 + 5
                 dx *= speed
                 dy *= speed
                 dz *= speed

punyverse/world.json

@@ -242,8 +242,7 @@
       "radius": 25559,
       "mass": 8.6810e+25,
       "z": "19.23 * AU",
-      "pitch": -90,
-      "yaw": 97.77,
+      "pitch": 7.77,
       "rotation": -62064,
       "orbit_distance": "6 * AU",
       "ring": {
@@ -267,6 +266,7 @@
     },
     "sky": {
       "texture": "sky.jpg",
+      "rotation": 0,
       "optional": true,
       "lighting": false,
       "radius": 305000000,

punyverse/world.py

@@ -143,7 +143,8 @@ def load_world(file):
                 if not cheap:
                     atmosphere_id = compile(disk, radius, radius + size, 30, atm_texture)
 
-            object = type(object_id, (x, y, z), (pitch, yaw, roll), rotation_angle=360 / (rotation + .0),
+            theta = 360 / (rotation + .0) if rotation else 0
+            object = type(object_id, (x, y, z), (pitch, yaw, roll), rotation_angle=theta,
                           atmosphere=atmosphere_id, cloudmap=cloudmap_id, background=background, **params)
             world.tracker.append(object)