blender8r’s gists

blender8r / gp_stroke_intersection.py

Created November 9, 2023 12:50

Finds the intersection point between two grease pencil strokes in Blender

	import bpy
	from math import pi, sin, cos

	def ellipse(gp_frame, center, radius_x, radius_z, num_points):
	gp_stroke = gp_frame.strokes.new()
	gp_stroke.line_width = 30
	gp_stroke.use_cyclic = True

	gp_stroke.points.add(count=num_points)

blender8r / gp_parallel_lines.py

Created November 9, 2023 12:47

Creates two grease pencil lines in Blender

	import bpy


	def line(gp_frame, start_pos, end_pos, num_pts):
	gp_stroke = gp_frame.strokes.new()
	gp_stroke.line_width = 30

	gp_stroke.points.add(count=num_pts)

	start_x = start_pos[0]

blender8r / get_and_select.py

Created September 18, 2023 13:00

Blender & Python: Getting and Selecting Objects

	###########################################
	# SNIPPETS: GETTING AND SELECTING OBJECTS #
	# [email protected] #
	###########################################

	# Get a list of objects in the scene
	objects = bpy.data.objects
	for object in objects:
	print(object.name)

blender8r / gpdof.py

Created July 13, 2023 14:58

Blender script to add depth of field effect to grease pencil objects

	import bpy
	from mathutils import Vector


	def duplicate(obj, data=True, actions=True, collection=None):
	obj_copy = obj.copy()
	if data:
	obj_copy.data = obj_copy.data.copy()
	if actions and obj_copy.animation_data.action:
	obj_copy.animation_data.action = obj_copy.animation_data.action.copy()

blender8r / ghibli_shader_full.py

Created May 25, 2023 12:51

Creates a Blender cel shader with the controls gathered into one group

	import bpy


	IMAGE = None
	TEXTURE_PATH = 'D:\\images\\textures\\hatch_1.jpg'

	for i in bpy.data.images:
	if i.filepath == TEXTURE_PATH:
	IMAGE = i

blender8r / ghibli_shader_basic.py

Created May 4, 2023 13:07

Python code for Blender that reproduces the Ghibli Shader technique by Kristof Dedene

	import bpy


	IMAGE = None
	TEXTURE_PATH = 'D:\\images\\textures\\hatch_1.jpg'

	for i in bpy.data.images:
	if i.filepath == TEXTURE_PATH:
	IMAGE = i

blender8r / gp_palette_to_material.py

Last active June 1, 2023 14:26

Converts the colors in a Blender Palette to individual Grease Pencil materials per-color

	import bpy
	from mathutils import Color

	palette_name = bpy.context.tool_settings.gpencil_paint.palette.name

	def create_palette_materials(gp, palette_name):
	palette = bpy.data.palettes.get(palette_name)
	if palette:
	i = 0
	while i < len(palette.colors):

blender8r / gpfog.py

Created January 11, 2023 14:43

Simulates volumetric fog on Blender grease pencil objects

	import bpy
	from mathutils import Vector

	min_dist = 10.0
	max_dist = 120.0
	fog_color = (1.0, 0.9, 0.7, 1.0)
	fog_mult = 1.0
	final_fog = (fog_color[0]fog_mult, fog_color[1]fog_mult, fog_color[2]*fog_mult)
	falloff = 3.0

blender8r / gp_basic.py

Created January 5, 2023 00:20

Framework for accessing grease pencil data in Blender using Python

	import bpy

	sel_obj = None
	sel_objs = bpy.context.selected_objects

	if sel_objs:
	sel_obj = sel_objs[0]

	if sel_obj and sel_obj.type=='GPENCIL':

blender8r / gp_ripples.py

Created November 10, 2022 13:14

	import bpy
	from math import tau, pi, sin, cos, ceil
	import random
	import time

	t = time.perf_counter()

	num_points = 48
	center = (0.0, 0.0, 0.0)