New asteroids and scaling.

punyverse/assets/models/asteroids/mainbelt.mtl

@@ -1,11 +1,11 @@
-# Blender MTL File: 'mainbeltastroid.blend'
+# Blender MTL File: 'None'
 # Material Count: 1
 
 newmtl Material
-Ns 96.078431
+Ns 92.156863
 Ka 0.000000 0.000000 0.000000
-Kd 0.254837 0.254837 0.254837
+Kd 0.389517 0.389517 0.389517
-Ks 0.159273 0.159273 0.159273
+Ks 0.303197 0.303197 0.303197
 Ni 1.000000
 d 1.000000
 illum 2

punyverse/assets/models/asteroids/mainbelt2.obj

@@ -0,0 +1,103 @@
+# Blender v2.66 (sub 1) OBJ File: ''
+# www.blender.org
+mtllib mainbelt.mtl
+g Cube.002
+v -0.289079 -0.829861 0.215310
+v 0.057641 -0.817976 -0.343786
+v 0.543391 -0.663372 0.025647
+v -0.097897 -0.384127 -0.766643
+v 0.545964 -0.487153 -0.565775
+v 0.504985 -0.681732 0.425810
+v 0.124050 -0.113115 0.938530
+v -0.706349 -0.467985 0.350889
+v -0.654122 -0.523922 -0.388949
+v 0.176965 0.828195 -0.359842
+v -0.383487 0.292923 -0.693979
+v -0.738214 0.373419 -0.411660
+v -0.714335 0.466863 0.124949
+v -0.398389 0.720367 0.469422
+v 0.451232 0.721178 0.355306
+v 0.882521 0.137464 -0.019655
+v 0.520709 0.162782 -0.672326
+v 0.692252 0.151771 0.606789
+v 0.088118 0.461316 0.717918
+v -0.701579 0.121702 0.577301
+v 0.132479 0.283880 -0.909159
+vn 0.220116 -0.968562 0.115914
+vn 0.121188 -0.670211 -0.732209
+vn 0.190171 -0.981386 -0.026776
+vn -0.062026 -0.690971 0.720217
+vn -0.653070 -0.757215 0.011149
+vn -0.323725 0.721233 -0.612393
+vn -0.462979 0.861322 -0.209224
+vn 0.018021 0.989816 0.141208
+vn 0.872936 -0.045704 -0.485690
+vn 0.912617 -0.392863 -0.113086
+vn 0.731293 0.657305 -0.182098
+vn 0.733716 0.559838 -0.385022
+vn 0.919930 -0.268686 0.285545
+vn 0.580622 -0.295204 0.758771
+vn 0.400075 0.506643 0.763710
+vn -0.295046 0.312154 0.903055
+vn -0.794843 0.471399 0.382109
+vn -0.998990 0.017376 0.041429
+vn -0.999351 -0.005584 0.035599
+vn -0.993512 -0.094698 -0.062975
+vn -0.266191 0.695397 -0.667507
+vn 0.273402 -0.145262 -0.950868
+vn -0.385081 -0.063621 -0.920687
+vn 0.461921 -0.850540 -0.251416
+vn -0.256648 -0.720214 -0.644534
+vn -0.357494 -0.902317 -0.240879
+vn 0.550017 0.570541 -0.609888
+vn -0.434722 0.890284 -0.135687
+vn 0.084553 0.767893 0.634973
+vn 0.848402 0.468199 0.246991
+vn 0.919967 -0.385585 0.070604
+vn 0.342132 0.355460 0.869824
+vn -0.299721 0.325644 0.896730
+vn -0.275650 -0.599397 0.751492
+vn -0.454304 -0.316110 0.832876
+vn -0.547764 -0.072427 -0.833492
+vn 0.416633 -0.324827 -0.849061
+vn -0.637398 -0.188684 -0.747076
+usemtl Material
+s off
+f 1//1 2//1 3//1
+f 4//2 5//2 2//2
+f 6//3 1//3 3//3
+f 7//4 1//4 6//4
+f 1//5 8//5 9//5
+f 10//6 11//6 12//6
+f 10//7 13//7 14//7
+f 10//8 14//8 15//8
+f 16//9 5//9 17//9
+f 3//10 5//10 16//10
+f 16//11 10//11 15//11
+f 16//12 17//12 10//12
+f 16//13 18//13 6//13
+f 7//14 6//14 18//14
+f 19//15 18//15 15//15
+f 19//16 14//16 20//16
+f 20//17 14//17 13//17
+f 20//18 13//18 12//18
+f 20//19 12//19 8//19
+f 12//20 9//20 8//20
+f 11//21 10//21 21//21
+f 17//22 5//22 4//22
+f 21//23 4//23 11//23
+f 3//24 2//24 5//24
+f 2//25 9//25 4//25
+f 2//26 1//26 9//26
+f 21//27 10//27 17//27
+f 13//28 10//28 12//28
+f 15//29 14//29 19//29
+f 18//30 16//30 15//30
+f 3//31 16//31 6//31
+f 7//32 18//32 19//32
+f 20//33 7//33 19//33
+f 1//34 7//34 8//34
+f 7//35 20//35 8//35
+f 9//36 12//36 4//36
+f 4//37 21//37 17//37
+f 11//38 4//38 12//38

punyverse/glgeom.py

@@ -1,6 +1,6 @@
 from math import *
 from pyglet.gl import *
-from random import random, uniform
+from random import random, uniform, gauss, choice
 
 TWOPI = pi * 2
 
@@ -163,19 +163,16 @@ def colourball(r, lats, longs, colour, fv4=GLfloat * 4):
 def belt(radius, cross, object, count):
     for i in xrange(count):
         theta = TWOPI * random()
-        x, y, z = cos(theta) * radius, 0, sin(theta) * radius
+        r = gauss(radius, cross)
-        # Pretend to move horizontally around the x-axis by delta
+        x, y, z = cos(theta) * r, gauss(0, cross), sin(theta) * r
-        # then I multiply it by a rotation matrix about angle theta
-        # the z-axis need not to be multiplied by the matrix, as it's 0
-        # Do note the rotation is counter clockwise
-        delta = cross * uniform(-1, 1)
-        x += cos(theta) * delta
-        z += sin(theta) * delta
-        y += cross * uniform(-1, 1)
 
         glPushMatrix()
         glTranslatef(x, y, z)
-        glCallList(object)
+        scale = gauss(1, 0.5)
+        if scale < 0:
+            scale = 1
+        glScalef(scale, scale, scale)
+        glCallList(choice(object))
         glPopMatrix()
 
 

punyverse/world.json

@@ -288,11 +288,11 @@
   },
   "belts": {
     "main": {
-      "model": "asteroids/mainbelt.obj",
+      "model": ["asteroids/mainbelt.obj", "asteroids/mainbelt2.obj"],
       "radius": "2.362 * AU",
       "cross": 1000,
       "scale": 30,
-      "count": 1024,
+      "count": 2048,
       "rotation": 114536500
     }
   },

punyverse/world.py

@@ -201,10 +201,15 @@ def load_world(file):
             rotation = info.get('period', 31536000)
             theta = 360 / (rotation + .0) if rotation else 0
 
-            object_id = model_list(load_model(info['model']), info.get('sx', scale), info.get('sy', scale),
+            models = info['model']
-                                   info.get('sz', scale), (0, 0, 0))
+            if not isinstance(models, list):
+                models = [models]
+            objects = []
+            for model in models:
+                objects.append(model_list(load_model(model), info.get('sx', scale), info.get('sy', scale),
+                                          info.get('sz', scale), (0, 0, 0)))
 
-            world.tracker.append(Belt(compile(belt, radius, cross, object_id, count),
+            world.tracker.append(Belt(compile(belt, radius, cross, objects, count),
                                       (x, y, z), (inclination, longitude, argument),
                                       rotation_angle=theta, world=world))