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# SPDX-License-Identifier: GPL-2.0-or-later
import bpy
from mathutils import *
def GetSelectedCurves():
rvList = []
for obj in bpy.context.selected_objects:
try:
if obj.type == "CURVE": rvList.append(obj)
except:
pass
return rvList
def GetSelectedMeshes():
rvList = []
for obj in bpy.context.selected_objects:
try:
if obj.type == "MESH": rvList.append(obj)
except:
pass
return rvList
def Selected1Curve():
try:
if len(GetSelectedCurves()) == 1:
return (bpy.context.active_object.type == "CURVE")
except:
pass
return False
def Selected1Mesh():
try:
if len(GetSelectedMeshes()) == 1:
return (bpy.context.active_object.type == "MESH")
except:
pass
return False
def Selected1SingleSplineCurve():
try:
if Selected1Curve():
return (len(bpy.context.active_object.data.splines) == 1)
except:
pass
return False
def Selected2Curves():
try:
if len(GetSelectedCurves()) == 2:
return (bpy.context.active_object.type == "CURVE")
except:
pass
return False
def Selected3Curves():
try:
if len(GetSelectedCurves()) == 3:
return (bpy.context.active_object.type == "CURVE")
except:
pass
return False
def Selected1OrMoreCurves():
try:
if len(GetSelectedCurves()) > 0:
return (bpy.context.active_object.type == "CURVE")
except:
pass
return False
def Selected2OrMoreCurves():
try:
if len(GetSelectedCurves()) > 1:
return (bpy.context.active_object.type == "CURVE")
except:
pass
return False
def Selected1OrMoreMesh():
try:
if len(GetSelectedMeshes()) > 0:
return (bpy.context.active_object.type == "MESH")
except:
pass
return False
def GetToolsRegion():
for area in bpy.context.screen.areas:
if area.type == 'VIEW_3D':
for region in area.regions:
if region.type == 'TOOLS': return region
return None
def GetFirstRegionView3D():
for area in bpy.context.screen.areas:
if area.type == 'VIEW_3D':
return area.spaces[0].region_3d
return None
def LogFirstRegionView3D():
print("LogFirstRegionView3D()")
regionView3D = GetFirstRegionView3D()
if regionView3D is None:
print("--", "ERROR:", "regionView3D is None")
return
print("--", "view_matrix:")
print("--", "--", regionView3D.view_matrix)
print("--", "view_location:")
print("--", "--", regionView3D.view_location)
class Intersection:
# listIP: list of BezierSplineIntersectionPoint
# return: list of splines
@staticmethod
def GetBezierSplines(listIP):
rvList = []
for ip in listIP:
if not (ip.spline in rvList): rvList.append(ip.spline)
return rvList
# listIP: list of BezierSplineIntersectionPoint
# return: list of segments
@staticmethod
def GetBezierSegments(listIP, spline):
rvList = []
for ip in listIP:
if not ip.spline is spline: continue
segIP = ip.bezierSegmentIntersectionPoint
if not (segIP.segment in rvList): rvList.append(segIP.segment)
return rvList
# listIP: list of BezierSplineIntersectionPoint
# return: list of floats (not necessarily ordered)
@staticmethod
def GetBezierSegmentParameters(listIP, segment):
rvList = []
for ip in listIP:
segIP = ip.bezierSegmentIntersectionPoint
if not segIP.segment is segment: continue
rvList.append(segIP.parameter)
return rvList
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