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# gpl author: Mano-Wii
bl_info = {
"name": "Arrange on Curve",
"author": "Mano-Wii",
"version": (6, 3, 0),
"location": "3D View > Toolshelf > Create > Arrange on Curve",
"description": "Arrange objects along a curve",
"warning": "Select curve",
"wiki_url": "",
"category": "3D View"
}
# Note: scene properties are moved into __init__
# search for patterns advanced_objects and adv_obj
import bpy
import mathutils
from bpy.types import (
Operator,
Panel,
)
from bpy.props import (
EnumProperty,
FloatProperty,
IntProperty,
)
FLT_MIN = 0.004
class PanelDupliCurve(Panel):
bl_idname = "VIEW3D_PT_arranjar_numa_curva"
bl_space_type = "VIEW_3D"
bl_region_type = "TOOLS"
bl_context = "objectmode"
bl_category = "Create"
bl_label = "Arrange on Curve"
bl_options = {'DEFAULT_CLOSED'}
@classmethod
def poll(cls, context):
return context.object and context.mode == 'OBJECT' and context.object.type == 'CURVE'
def draw(self, context):
layout = self.layout
adv_obj = context.scene.advanced_objects
layout.prop(adv_obj, "arrange_c_use_selected")
if not adv_obj.arrange_c_use_selected:
layout.prop(adv_obj, "arrange_c_select_type", expand=True)
if adv_obj.arrange_c_select_type == 'O':
layout.column(align=True).prop_search(
adv_obj, "arrange_c_obj_arranjar",
bpy.data, "objects"
)
elif adv_obj.arrange_c_select_type == 'G':
layout.column(align=True).prop_search(
adv_obj, "arrange_c_obj_arranjar",
bpy.data, "collections"
if context.object.type == 'CURVE':
layout.operator("object.arranjar_numa_curva", text="Arrange Objects")
class DupliCurve(Operator):
bl_idname = "object.arranjar_numa_curva"
bl_label = "Arrange Objects along a Curve"
bl_description = "Arange chosen / selected objects along the Active Curve"
bl_options = {'REGISTER', 'UNDO'}
name="Arrangement",
items=[
("D", "Distance", "Objects are arranged depending on the distance", 0),
("Q", "Quantity", "Objects are arranged depending on the quantity", 1),
("R", "Range", "Objects are arranged uniformly between the corners", 2)
]
)
name="Distance",
description="Distance between Objects",
default=1.0,
min=FLT_MIN,
soft_min=0.1,
unit='LENGTH',
)
name="Quantity",
description="Object amount",
default=2,
min=0,
)
name="Scale",
description="Object Scale",
default=1.0,
min=FLT_MIN,
unit='LENGTH',
name="X",
description="Rotate around the X axis (Yaw)",
default=0.0,
unit='ROTATION'
)
default=0.0,
description="Rotate around the Y axis (Pitch)",
name="Y",
unit='ROTATION'
)
default=0.0,
description="Rotate around the Z axis (Roll)",
name="Z",
unit='ROTATION'
)
default=1.57079,
max=3.141592,
name="Angle",
unit='ROTATION'
)
default=0.0,
name="Offset",
unit='LENGTH'
)
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@classmethod
def poll(cls, context):
return context.mode == 'OBJECT'
def draw(self, context):
layout = self.layout
col = layout.column()
col.prop(self, "use_distance", text="")
col = layout.column(align=True)
if self.use_distance == "D":
col.prop(self, "distance")
elif self.use_distance == "Q":
col.prop(self, "object_qt")
else:
col.prop(self, "distance")
col.prop(self, "max_angle")
col.prop(self, "offset")
col = layout.column(align=True)
col.prop(self, "scale")
col.prop(self, "Yaw")
col.prop(self, "Pitch")
col.prop(self, "Roll")
def Glpoints(self, curve):
Gpoints = []
for i, spline in enumerate(curve.data.splines):
segments = len(spline.bezier_points)
if segments >= 2:
r = spline.resolution_u + 1
points = []
for j in range(segments):
bp1 = spline.bezier_points[j]
inext = (j + 1)
if inext == segments:
if not spline.use_cyclic_u:
break
inext = 0
bp2 = spline.bezier_points[inext]
if bp1.handle_right_type == bp2.handle_left_type == 'VECTOR':
_points = (bp1.co, bp2.co) if j == 0 else (bp2.co,)
else:
knot1 = bp1.co
handle1 = bp1.handle_right
handle2 = bp2.handle_left
knot2 = bp2.co
_points = mathutils.geometry.interpolate_bezier(knot1, handle1, handle2, knot2, r)
points.extend(_points)
Gpoints.append(tuple((curve.matrix_world * p for p in points)))
elif len(spline.points) >= 2:
l = [curve.matrix_world * p.co.xyz for p in spline.points]
if spline.use_cyclic_u:
l.append(l[0])
Gpoints.append(tuple(l))
if self.use_distance == "R":
max_angle = self.max_angle
tmp_Gpoints = []
sp = Gpoints[i]
sp2 = [sp[0], sp[1]]
lp = sp[1]
v1 = lp - sp[0]
for p in sp[2:]:
v2 = p - lp
try:
if (3.14158 - v1.angle(v2)) < max_angle:
tmp_Gpoints.append(tuple(sp2))
sp2 = [lp]
except Exception as e:
print("\n[Add Advanced Objects]\nOperator: "
"object.arranjar_numa_curva\nError: {}".format(e))
pass
sp2.append(p)
v1 = v2
lp = p
tmp_Gpoints.append(tuple(sp2))
Gpoints = Gpoints[:i] + tmp_Gpoints
lengths = []
if self.use_distance != "D":
for sp in Gpoints:
lp = sp[1]
leng = (lp - sp[0]).length
for p in sp[2:]:
leng += (p - lp).length
lp = p
lengths.append(leng)
return Gpoints, lengths
def execute(self, context):
if context.object.type != 'CURVE':
return {'CANCELLED'}
curve = context.active_object
Gpoints, lengs = self.Glpoints(curve)
adv_obj = context.scene.advanced_objects
if adv_obj.arrange_c_use_selected:
G_Objeto = context.selected_objects
G_Objeto.remove(curve)
if not G_Objeto:
return {'CANCELLED'}
elif adv_obj.arrange_c_select_type == 'O':
G_Objeto = bpy.data.objects[adv_obj.arrange_c_obj_arranjar],
elif adv_obj.arrange_c_select_type == 'G':
G_Objeto = bpy.data.collections[adv_obj.arrange_c_obj_arranjar].objects
yawMatrix = mathutils.Matrix.Rotation(self.Yaw, 4, 'X')
pitchMatrix = mathutils.Matrix.Rotation(self.Pitch, 4, 'Y')
rollMatrix = mathutils.Matrix.Rotation(self.Roll, 4, 'Z')
max_angle = self.max_angle # max_angle is called in Glpoints
if self.use_distance == "D":
dist = self.distance
for sp_points in Gpoints:
dx = 0.0 # Length of initial calculation of section
last_point = sp_points[0]
j = 0
for point in sp_points[1:]:
vetorx = point - last_point # Vector spline section
quat = mathutils.Vector.to_track_quat(vetorx, 'X', 'Z') # Tracking the selected objects
quat = quat.to_matrix().to_4x4()
v_len = vetorx.length
if v_len > 0.0:
dx += v_len # Defined length calculation equal total length of the spline section
v_norm = vetorx / v_len
while dx > dist:
object = G_Objeto[j % len(G_Objeto)]
j += 1
dx -= dist # Calculating the remaining length of the section
obj = object.copy()
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obj.matrix_world = quat * yawMatrix * pitchMatrix * rollMatrix
# Placing in the correct position
obj.matrix_world.translation = point - v_norm * dx
obj.scale *= self.scale
last_point = point
elif self.use_distance == "Q":
object_qt = self.object_qt + 1
for i, sp_points in enumerate(Gpoints):
dx = 0.0 # Length of initial calculation of section
dist = lengs[i] / object_qt
last_point = sp_points[0]
j = 0
for point in sp_points[1:]:
vetorx = point - last_point # Vector spline section
# Tracking the selected objects
quat = mathutils.Vector.to_track_quat(vetorx, 'X', 'Z')
quat = quat.to_matrix().to_4x4()
v_len = vetorx.length
if v_len > 0.0:
# Defined length calculation equal total length of the spline section
dx += v_len
v_norm = vetorx / v_len
while dx > dist:
object = G_Objeto[j % len(G_Objeto)]
j += 1
dx -= dist # Calculating the remaining length of the section
obj = object.copy()
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obj.matrix_world = quat * yawMatrix * pitchMatrix * rollMatrix
# Placing in the correct position
obj.matrix_world.translation = point - v_norm * dx
obj.scale *= self.scale
last_point = point
else:
dist = self.distance
offset2 = 2 * self.offset
for i, sp_points in enumerate(Gpoints):
leng = lengs[i] - offset2
rest = leng % dist
offset = offset2 + rest
leng -= rest
offset /= 2
last_point = sp_points[0]
dx = dist - offset # Length of initial calculation of section
j = 0
for point in sp_points[1:]:
vetorx = point - last_point # Vector spline section
# Tracking the selected objects
quat = mathutils.Vector.to_track_quat(vetorx, 'X', 'Z')
quat = quat.to_matrix().to_4x4()
v_len = vetorx.length
if v_len > 0.0:
dx += v_len
v_norm = vetorx / v_len
while dx >= dist and leng >= 0.0:
leng -= dist
dx -= dist # Calculating the remaining length of the section
object = G_Objeto[j % len(G_Objeto)]
j += 1
obj = object.copy()
obj.matrix_world = quat * yawMatrix * pitchMatrix * rollMatrix
# Placing in the correct position
obj.matrix_world.translation = point - v_norm * dx
obj.scale *= self.scale
last_point = point
return {"FINISHED"}
def register():
bpy.utils.register_class(PanelDupliCurve)
bpy.utils.register_class(DupliCurve)
def unregister():
bpy.utils.unregister_class(PanelDupliCurve)
bpy.utils.unregister_class(DupliCurve)
if __name__ == "__main__":
register()