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Differential D3958 Diff 12555 object_fracture_crack/crack_it.py

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object_fracture_crack/crack_it.py

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gauss, gauss,
seed, seed,
) )
from math import radians from math import radians, pi
from mathutils import Euler from mathutils import Euler
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return mat_ui_name return mat_ui_name
# error_type='ERROR' for popup massage
def error_handlers(self, op_name, error, reports="ERROR", func=False): def error_handlers(self, op_name, error, reports="ERROR", func=False, error_type='WARNING'):
if self and reports: if self and reports:
self.report({'WARNING'}, reports + " (See Console for more info)") self.report({error_type}, reports + " (See Console for more info)")
is_func = "Function" if func else "Operator" is_func = "Function" if func else "Operator"
print("\n[Cell Fracture Crack It]\n{}: {}\nError: " print("\n[Cell Fracture Crack It]\n{}: {}\nError: "
"{}\nReport: {}\n".format(is_func, op_name, error, reports)) "{}\nReport: {}\n".format(is_func, op_name, error, reports))
# -------------------- Crack ------------------- # -------------------- Crack -------------------
# Cell fracture and post-process: # Cell fracture and post-process:
def makeFracture(child_verts=False, division=100, noise=0.00, # Setting before crack from grease pencil
scaleX=1.00, scaleY=1.00, scaleZ=1.00, recursion=0, margin=0.001): def grease_pencil_setting():
obj = bpy.context.object
# Get active object name and active layer sce = bpy.context.scene
active_name = bpy.context.scene.objects.active.name sce.tool_settings.grease_pencil_source = 'OBJECT'
active_layer = bpy.context.scene.active_layer if sce.grease_pencil and not obj.grease_pencil:
obj.grease_pencil = sce.grease_pencil
# source method of whether use child verts if obj.grease_pencil:
if child_verts is True: obj.grease_pencil.layers[0].parent = obj
crack_source = 'VERT_CHILD'
else: else:
crack_source = 'PARTICLE_OWN' print("Detecting Grease Pencil was failed. "
"Set pencil source to 'OBJECT' from 'SCENE' and set parent.")
bpy.ops.object.add_fracture_cell_objects(
source={crack_source}, source_limit=division, source_noise=noise,
cell_scale=(scaleX, scaleY, scaleZ), recursion=recursion,
recursion_source_limit=8, recursion_clamp=250, recursion_chance=0.25,
recursion_chance_select='SIZE_MIN', use_smooth_faces=False,
use_sharp_edges=False, use_sharp_edges_apply=True, use_data_match=True,
use_island_split=True, margin=margin, material_index=0,
use_interior_vgroup=False, mass_mode='VOLUME', mass=1, use_recenter=True,
use_remove_original=True, use_layer_index=0, use_layer_next=False,
group_name="", use_debug_points=False, use_debug_redraw=True, use_debug_bool=False
)
_makeJoin(active_name, active_layer) def simplifyOriginal(simplify):
bpy.ops.object.modifier_add(type='DECIMATE')
decimate = bpy.context.object.modifiers[-1]
decimate.name = 'DECIMATE_crackit_original'
decimate.ratio = 1-simplify
def desimplifyOriginal(original_obj, cracked_obj):
bpy.context.scene.objects.active = original_obj
if 'DECIMATE_crackit_original' in bpy.context.object.modifiers.keys():
bpy.ops.object.modifier_remove(modifier='DECIMATE_crackit_original')
bpy.context.scene.objects.active = cracked_obj
# Join fractures into an object # Join fractures into an object
def _makeJoin(active_name, active_layer): def makeJoin(self, original_loc):
# Get active object name and active layer
active_name = bpy.context.scene.objects.active.name
active_layer = bpy.context.scene.active_layer
# Get object by name # Get object by name
bpy.ops.object.select_all(action='DESELECT') bpy.ops.object.select_all(action='DESELECT')
bpy.ops.object.select_pattern(pattern=active_name + '_cell*') bpy.ops.object.select_pattern(pattern=active_name + '_cell*')
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bpy.ops.object.join() bpy.ops.object.join()
else: else:
error_handlers( error_handlers(
False, "_makeJoin", "if fractures condition has not passed", self, "_makeJoin", "if fractures condition has not passed",
"Warning: No objects could be joined", True "Warning: No objects could be joined.\nIt can happen with too big margin: 0.20-1.00",
True, error_type='ERROR'
) )
# Duplicate ojbect
bpy.ops.object.select_pattern(pattern=active_name)
bpy.ops.object.duplicate_move(TRANSFORM_OT_translate={"value":(2, 0, 0)})
# Change name # Change name
bpy.context.scene.objects.active.name = active_name + '_crack' bpy.context.scene.objects.active.name = active_name + '_crack'
# Change origin # Change origin
bpy.ops.object.origin_set(type='GEOMETRY_ORIGIN') bpy.ops.object.origin_set(type='GEOMETRY_ORIGIN')
# Change location to avoid overlap of two objects
new_location = bpy.context.object.location.copy()
new_location[0] += original_loc
bpy.context.scene.objects.active.location = new_location
return bpy.context.scene.objects.active
# Add modifier and setting # Add modifier and setting
def addModifiers(): def addModifiers(decimate_val=0.4, smooth_val=0.5):
bpy.ops.object.modifier_add(type='DECIMATE') bpy.ops.object.modifier_add(type='DECIMATE')
decimate = bpy.context.object.modifiers[-1] decimate = bpy.context.object.modifiers[-1]
decimate.name = 'DECIMATE_crackit' decimate.name = 'DECIMATE_crackit'
decimate.ratio = 0.4 #decimate.decimate_type = 'DISSOLVE'
decimate.ratio = decimate_val
#decimate.angle_limit = decimate_val*pi
bpy.ops.object.modifier_add(type='SUBSURF') bpy.ops.object.modifier_add(type='SUBSURF')
subsurf = bpy.context.object.modifiers[-1] subsurf = bpy.context.object.modifiers[-1]
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bpy.ops.object.modifier_add(type='SMOOTH') bpy.ops.object.modifier_add(type='SMOOTH')
smooth = bpy.context.object.modifiers[-1] smooth = bpy.context.object.modifiers[-1]
smooth.name = 'SMOOTH_crackit' smooth.name = 'SMOOTH_crackit'
smooth.factor = smooth_val
# -------------- multi extrude -------------------- # -------------- multi extrude --------------------
# var1=random offset, var2=random rotation, var3=random scale # var1=random offset, var2=random rotation, var3=random scale
def multiExtrude(off=0.1, rotx=0, roty=0, rotz=0, sca=1.0, def multiExtrude(off=0.1, rotx=0, roty=0, rotz=0, sca=0.0,
var1=0.01, var2=0.3, var3=0.3, num=1, ran=0): var1=0.01, var2=0.01, var3=0.01, num=1, ran=0):
obj = bpy.context.object obj = bpy.context.object
bpy.context.tool_settings.mesh_select_mode = [False, False, True] bpy.context.tool_settings.mesh_select_mode = [False, False, True]
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# -------------- Material preset -------------------------- # -------------- Material preset --------------------------
def appendMaterial(addon_path, material_name, mat_ui_names="Nameless Material"): def appendMaterial(crackit, addon_path, material_name, mat_ui_names="Nameless Material"):
# Load material from the addon directory # Load material from the addon directory
file_path = _makeFilePath(addon_path=addon_path) file_path = _makeFilePath(addon_path=addon_path)
bpy.ops.wm.append(filename=material_name, directory=file_path) bpy.ops.wm.append(filename=material_name, directory=file_path)
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if last_material: if last_material:
mat = bpy.data.materials[last_material] mat = bpy.data.materials[last_material]
# skip renaming if the prop is True # skip renaming if the prop is True
if not bpy.context.scene.crackit.material_lib_name: if not crackit.material_lib_name:
mat.name = mat_ui_names mat.name = mat_ui_names
# Apply Only one material in the material slot # Apply Only one material in the material slot
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