improve mandelbulb

python2-scripts/mcpipy/mandelbulb.py

@@ -11,6 +11,11 @@
 import cmath
 import time
 import sys
+from random import uniform
+
+# setting this to 0 makes for more isolated blocks because the connecting filigree was
+# missed; increasing slows down rendering
+AVOID_ISOLATES = 12 if not settings.isPE else 0
 
 ESCAPE = 250
 if len(sys.argv) < 2:
@@ -35,7 +40,14 @@
 
 palette = list(reversed([WOOL_WHITE,HARDENED_CLAY_STAINED_WHITE,WOOL_PINK,WOOL_LIGHT_GRAY,WOOL_LIGHT_BLUE,WOOL_MAGENTA,WOOL_PURPLE,HARDENED_CLAY_STAINED_LIGHT_BLUE,HARDENED_CLAY_STAINED_LIGHT_GRAY,HARDENED_CLAY_STAINED_MAGENTA,HARDENED_CLAY_STAINED_PINK,HARDENED_CLAY_STAINED_RED,WOOL_RED,REDSTONE_BLOCK,HARDENED_CLAY_STAINED_ORANGE,WOOL_ORANGE,HARDENED_CLAY_STAINED_YELLOW,WOOL_YELLOW,WOOL_LIME,HARDENED_CLAY_STAINED_LIME,HARDENED_CLAY_STAINED_PURPLE,HARDENED_CLAY_STAINED_CYAN,WOOL_CYAN,WOOL_BLUE,HARDENED_CLAY_STAINED_BLUE,WOOL_GRAY,HARDENED_CLAY_STAINED_GREEN,WOOL_GREEN,HARDENED_CLAY_STAINED_BROWN,WOOL_BROWN,HARDENED_CLAY_STAINED_GRAY,WOOL_BLACK]));
 
-def calculate(pos):
+def positions(pos,scale):
+    yield pos
+    for i in range(AVOID_ISOLATES):
+        yield (uniform(pos[0]-0.5*scale,pos[0]+0.5*scale),
+               uniform(pos[1]-0.5*scale,pos[1]+0.5*scale),
+               uniform(pos[2]-0.5*scale,pos[2]+0.5*scale))
+
+def calculate0(pos):
     x,z,y = pos[0],pos[1],pos[2]
     cx,cy,cz = x,y,z
 
@@ -63,6 +75,13 @@ def calculate(pos):
     except:
         return 0
 
+def calculate(pos0,scale):
+    for pos in positions(pos0,scale):
+        r = calculate0(pos)
+        if r >= 0:
+            return r
+    return r
+
 #
 # we could of course just do for x in range(0,size): for y in range(0,size): yield(x,y)
 # but it will make users happier if we start at the player
@@ -107,7 +126,7 @@ def draw():
     for mcX in rangeX:
         for mcY in rangeY:
             for mcZ in rangeZ:
-                radius = calculate(toBulb(centerMC,centerBulb,scale,mcX,mcY,mcZ))
+                radius = calculate(toBulb(centerMC,centerBulb,scale,mcX,mcY,mcZ),scale)
                 if radius < 0:
                     mc.setBlock(mcX,mcY,mcZ,AIR)
                 else:

python2-scripts/mcpipy/mcpipy.sln

@@ -1,10 +1,12 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 2013
+# Visual Studio Express 2013 for Windows Desktop
 VisualStudioVersion = 12.0.31101.0
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{888888A0-9F3D-457C-B088-3A5042F75D52}") = "mcpipy", "mcpipy.pyproj", "{AD0B690C-A698-4CE0-9B50-3069E7E8660D}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{7CD6D1CE-4B00-4E16-94F0-FB3BF4F0D6F8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU

zip.sh

@@ -9,7 +9,7 @@ rm -rf *.{bak,pyc} */*.{bak,pyc} __pycache__ */__pycache__ */*/__pycache__
 cd ..
 zip -9r ../python3-scripts.zip mcpipy
 cd ../python2-scripts
-rm mcpipy/*.pyc mcpipy/*/*.pyc
+rm mcpipy/*.pyc mcpipy/*/*.pyc mcpipy/_sunfish.*
 zip -9r ../python2-scripts.zip mcpipy
-rm mcpipy/*.pyc mcpipy/*/*.pyc
+rm mcpipy/*.pyc mcpipy/*/*.pyc mcpipy/_sunfish.*
 cd ..