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[[Extensions:2.4/Py/Nodes/Cookbook|Back to index]]

== Ideas ==
* Noise node: see http://www.blender.org/documentation/246PythonDoc/Noise-module.html for inspiration. Basically this should allow one to reimplement various textures found in Blender already.
* Add your idea here.

== Recipes ==

=== Blend ===
[[Image:Pynode-blend.png|right|thumb|Example output of blend node.[[http://wiki.blender.org/uploads/5/59/Pynode-blend.blend .blend]]]]
This script produces a simple gradient from given color to black. Making second color customizable is left as an exercise to the reader.
{{clr}}

<source lang = "python">
from Blender import Node

class BlendNode(Node.Scripted):
def __init__(self, sockets):
vector = Node.Socket('Vector', val = 3*[1.0])
col = Node.Socket('Color', val = 4*[1.0])
axis = Node.Socket('Axis', val=0.0, min=0.0, max=2.0)

sockets.input = [vector, col, axis]
sockets.output = [col]

def __call__(self):
fac = (self.input.Vector[int(self.input.Axis + 0.5)] + 1) / 2
self.output.Color = map(lambda x: x * fac, self.input.Color)

__node__ = BlendNode
</source>

=== Brick ===
[[Image:Pynode-brick.png|right|thumb|Example output of brick node.[[http://wiki.blender.org/uploads/3/3d/Pynode-brick.blend .blend]]]]
This script generates a simple texture. Use axis to define axis on which direction it is headed to.
{{clr}}

<source lang = "python">
from Blender import Node

class BrickNode(Node.Scripted):
def __init__(self, sockets):
vector = Node.Socket('Vector', val = 3*[1.0])
col1 = Node.Socket('Main_Color', val = 4*[1.0])
col2 = Node.Socket('Seam_Color', val = 4*[1.0])
w_frequency = Node.Socket('W_Frequency', val=5.0, min=-100.0, max=100.0)
h_frequency = Node.Socket('H_Frequency', val=5.0, min=-100.0, max=100.0)
seam = Node.Socket('Seam', val=.1, min=0.0, max=1.0)
axis = Node.Socket('Axis', val=0.0, min=0.0, max=2.0)

col = Node.Socket('Color', val = 4*[1.0])

sockets.input = [vector, col1, col2, w_frequency, h_frequency, seam, axis]
sockets.output = [col]

def __call__(self):
tex_coords = self.input.Vector
axis_int = int(self.input.Axis + 0.5)

if axis_int == 0:
x, y = tex_coords[2], tex_coords[1]
elif axis_int == 1:
x, y = tex_coords[0], tex_coords[2]
else:
x, y = tex_coords[1], tex_coords[0]

col = self.input.Seam_Color
if self.input.W_Frequency * x % 1.0 > 0.5 + self.input.Seam:
if self.input.W_Frequency * x % 1.0 < 1.0 - self.input.Seam:
if self.input.H_Frequency * y % 1.0 > self.input.Seam:
col = self.input.Main_Color
elif self.input.W_Frequency * x % 1.0 < 0.5 - self.input.Seam:
if self.input.W_Frequency * x % 1.0 > self.input.Seam:
if self.input.H_Frequency * (y + y / 2) % 1.0 < 1.0 - self.input.Seam: # TODO: offset could be better
col = self.input.Main_Color

self.output.Color = col

__node__ = BrickNode
</source>

=== Chess ===
[[Image:Pynode-chess.png|right|thumb|Example output of chess node.[[http://wiki.blender.org/uploads/5/59/Pynode-chess.blend .blend]]]]
This script produces a simple chess pattern. Use axis to define axis on which direction it is headed to.
{{clr}}

<source lang = "python">
from Blender import Node

class ChessNode(Node.Scripted):
def __init__(self, sockets):
vector = Node.Socket('Vector', val = 3*[1.0])
col1 = Node.Socket('Main_Color', val = 4*[1.0])
col2 = Node.Socket('Seam_Color', val = 4*[1.0])
w_frequency = Node.Socket('W_Frequency', val=5.0, min=-100.0, max=100.0)
h_frequency = Node.Socket('H_Frequency', val=5.0, min=-100.0, max=100.0)
seam = Node.Socket('Seam', val=.1, min=0.0, max=0.5)
axis = Node.Socket('Axis', val=0.0, min=0.0, max=2.0)

col = Node.Socket('Color', val = 4*[1.0])

sockets.input = [vector, col1, col2, w_frequency, h_frequency, seam, axis]
sockets.output = [col]

def __call__(self):
tex_coords = self.input.Vector
axis_int = int(self.input.Axis + 0.5)

if axis_int == 0:
x, y = tex_coords[2], tex_coords[1]
elif axis_int == 1:
x, y = tex_coords[0], tex_coords[2]
else:
x, y = tex_coords[1], tex_coords[0]

col = self.input.Seam_Color
if self.input.W_Frequency * x % 1.0 > 0.5 + self.input.Seam:
if self.input.H_Frequency * y % 1.0 > 0.5 + self.input.Seam:
col = self.input.Main_Color
elif self.input.W_Frequency * x % 1.0 < 0.5 - self.input.Seam:
if self.input.H_Frequency * y % 1.0 < 0.5 - self.input.Seam:
col = self.input.Main_Color

self.output.Color = col

__node__ = ChessNode
</source>

=== Mod 1 ===
[[Image:Pynode-mod1.png|right|thumb|Example output of Mod 1 node.[[http://wiki.blender.org/uploads/3/37/Pynode-mod1.blend .blend]]]]
This script produces a stripy texture.
{{clr}}

<source lang = "python">
from Blender import Node

class ModNode(Node.Scripted):
def __init__(self, sockets):
vector = Node.Socket('Vector', val = 3*[1.0])
col = Node.Socket('Color', val = 4*[1.0])
frequency = Node.Socket('Frequency', val=5.0, min=-100.0, max=100.0)
axis = Node.Socket('Axis', val=0.0, min=0.0, max=2.0)

sockets.input = [vector, frequency, axis]
sockets.output = [col]

def __call__(self):
tex_coords = self.input.Vector

col = 0.0
if self.input.Frequency * tex_coords[int(self.input.Axis + 0.5)] % 1.0 > 0.5:
col = 1.0

self.output.Color = 3*[col] + [1.0]

__node__ = ModNode
</source>

=== Mod 2 ===
[[Image:Pynode-mod2.png|right|thumb|Example output of Mod 2 node.[[http://wiki.blender.org/uploads/5/53/Pynode-mod2.blend .blend]]]]
This script produces a beach balloony texture.
{{clr}}

<source lang = "python">
from math import atan2
from Blender import Node

class Mod2Node(Node.Scripted):
def __init__(self, sockets):
vector = Node.Socket('Vector', val = 3*[1.0])
color1 = Node.Socket('Color1', val = 4*[1.0])
color2 = Node.Socket('Color2', val = 4*[1.0])
threshold = Node.Socket('Threshold', val=0.5, min=0.0, max=1.0)
frequency = Node.Socket('Frequency', val=5.0, min=-100.0, max=100.0)
axis = Node.Socket('Axis', val=0.0, min=0.0, max=2.0)

col = Node.Socket('Color', val = 4*[1.0])

sockets.input = [vector, color1, color2, threshold, frequency, axis]
sockets.output = [col]

def __call__(self):
tex_coords = self.input.Vector
axis_int = int(self.input.Axis + 0.5)

if axis_int == 0:
x, y = tex_coords[2], tex_coords[1]
elif axis_int == 1:
x, y = tex_coords[2], tex_coords[0]
else:
x, y = tex_coords[1], tex_coords[0]

self.output.Color = self.input.Color1
if self.input.Frequency * atan2(y, x) % 1.0 > self.input.Threshold:
self.output.Color = self.input.Color2

__node__ = Mod2Node
</source>

[[Category:Script]]

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Yamyam: 1版 をインポートしました

wiki>Mindrones bot: Bot: Fixing redirects

Yamyam: 1版をインポートしました