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Mgfractal: Move julia set selection into formula parameter

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Improve default parameters
Update and improve documentation
Unhide mapgen, but is still unstable
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paramat
2015-11-21 20:22:45 +00:00
parent a4e3ed0136
commit c24f3b0a65
5 changed files with 65 additions and 50 deletions
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49
minetest.conf.example
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@@ -1234,44 +1234,59 @@
#### Mapgen fractal
# Map generation attributes specific to Mapgen fractal.
# The 'julia' flag results in the corresponding julia set being generated.
# Flags that are not specified in the flag string are not modified from the default.
# Flags starting with "no" are used to explicitly disable them.
# type: flags possible values: julia, nojulia
# mgfractal_spflags = nojulia
# Choice of 4 mandelbrot set variations.
# 1 = 4D "Roundy" mandelbrot set, 2 = 4D "Squarry" mandelbrot set,
# 3 = 4D "Mandy Cousin" mandelbrot set, 4 = 4D mandelbrot set variation.
# Choice of 8 4-dimensional fractals.
# 1 = "Roundy" mandelbrot set.
# 2 = "Roundy" julia set.
# 3 = "Squarry" mandelbrot set.
# 4 = "Squarry" julia set.
# 5 = "Mandy Cousin" mandelbrot set.
# 6 = "Mandy Cousin" julia set.
# 7 = "Variation" mandelbrot set.
# 8 = "Variation" julia set.
# type: int
# mgfractal_formula = 1
# Iterations of the recursive function.
# Controls scale of finest detail.
# type: int
# mgfractal_iterations = 9
# mgfractal_iterations = 11
# Approximate (X,Y,Z) scales in nodes.
# Approximate (X,Y,Z) scale of fractal in nodes.
# type: v3f
# mgfractal_scale = (1024.0, 256.0, 1024.0)
# mgfractal_scale = (4096.0, 1024.0, 4096.0)
# (X,Y,Z) offsets from world centre.
# Range roughly -2 to 2, multiply by 'scale' for offsets in nodes.
# (X,Y,Z) offset of fractal from world centre.
# Used to move a suitable spawn area of low land close to (0, 0).
# The default is suitable for mandelbrot sets, it needs to be edited for julia sets,
# do this by greatly reducing 'scale' and setting 'offset' initially to (0, 0, 0).
# Range roughly -2 to 2. Multiply by 'scale' for offset in nodes.
# type: v3f
# mgfractal_offset = (1.75, 0.0, 0.0)
# mgfractal_offset = (1.79, 0.0, 0.0)
# W co-ordinate of the generated 3D slice of the 4D shape.
# Alters the generated 3D shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_slice_w = 0.0
# Julia set only: 4 values determining the 4D shape.
# Julia set only: X value determining the 4D shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_x = 0.33
# Julia set only: Y value determining the 4D shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_y = 0.33
# Julia set only: Z value determining the 4D shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_z = 0.33
# Julia set only: W value determining the 4D shape.
# Range roughly -2 to 2.
# type: float
# mgfractal_julia_w = 0.33
# type: noise_params