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LoopTools: Added rotation of points aligned along a circle by a certain angle

This commit is contained in:
Vladimir Spivak 2020-12-21 00:58:30 +02:00
parent 3f35112dcf
commit 558edbcd1b
Notes: blender-bot 2023-02-14 18:54:28 +01:00 
Referenced by issue #77499, Loop Tools Circle
1 changed files with 26 additions and 7 deletions
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33
mesh_looptools.py
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@ -23,7 +23,7 @@
bl_info = {
"name": "LoopTools",
"author": "Bart Crouch, Vladimir Spivak (cwolf3d)",
"version": (4, 7, 5),
"version": (4, 7, 6),
"blender": (2, 80, 0),
"location": "View3D > Sidebar > Edit Tab / Edit Mode Context Menu",
"warning": "",
@ -2122,10 +2122,12 @@ def circle_influence_locs(locs_2d, new_locs_2d, influence):
# project 2d locations on circle, respecting distance relations between verts
def circle_project_non_regular(locs_2d, x0, y0, r):
def circle_project_non_regular(locs_2d, x0, y0, r, angle):
for i in range(len(locs_2d)):
x, y, j = locs_2d[i]
loc = mathutils.Vector([x - x0, y - y0])
mat_rot = mathutils.Matrix.Rotation(angle, 2, 'X')
loc.rotate(mat_rot)
loc.length = r
locs_2d[i] = [loc[0], loc[1], j]
@ -2133,7 +2135,7 @@ def circle_project_non_regular(locs_2d, x0, y0, r):
# project 2d locations on circle, with equal distance between all vertices
def circle_project_regular(locs_2d, x0, y0, r):
def circle_project_regular(locs_2d, x0, y0, r, angle):
# find offset angle and circling direction
x, y, i = locs_2d[0]
loc = mathutils.Vector([x - x0, y - y0])
@ -2151,8 +2153,8 @@ def circle_project_regular(locs_2d, x0, y0, r):
# distribute vertices along the circle
for i in range(len(locs_2d)):
t = offset_angle + ccw * (i / len(locs_2d) * 2 * math.pi)
x = math.cos(t) * r
y = math.sin(t) * r
x = math.cos(t + angle) * r
y = math.sin(t + angle) * r
locs_2d[i] = [x, y, locs_2d[i][2]]
return(locs_2d)
@ -3495,6 +3497,14 @@ class Circle(Operator):
min=0.0,
soft_max=1000.0
)
angle: FloatProperty(
name="Angle",
description="Rotate a circle by an angle",
unit='ROTATION',
default=math.radians(0.0),
soft_min=math.radians(-360.0),
soft_max=math.radians(360.0)
)
regular: BoolProperty(
name="Regular",
description="Distribute vertices at constant distances along the circle",
@ -3520,6 +3530,7 @@ class Circle(Operator):
row_right.active = self.custom_radius
row_right.prop(self, "radius", text="")
col.prop(self, "regular")
col.prop(self, "angle")
col.separator()
col_move = col.column(align=True)
@ -3585,9 +3596,9 @@ class Circle(Operator):
r = self.radius / p.length
# calculate positions on circle
if self.regular:
new_locs_2d = circle_project_regular(locs_2d[:], x0, y0, r)
new_locs_2d = circle_project_regular(locs_2d[:], x0, y0, r, self.angle)
else:
new_locs_2d = circle_project_non_regular(locs_2d[:], x0, y0, r)
new_locs_2d = circle_project_non_regular(locs_2d[:], x0, y0, r, self.angle)
# take influence into account
locs_2d = circle_influence_locs(locs_2d, new_locs_2d,
self.influence)
@ -4878,6 +4889,14 @@ class LoopToolsProps(PropertyGroup):
description="Distribute vertices at constant distances along the circle",
default=True
)
circle_angle: FloatProperty(
name="Angle",
description="Rotate a circle by an angle",
unit='ROTATION',
default=math.radians(0.0),
soft_min=math.radians(-360.0),
soft_max=math.radians(360.0)
)
# curve properties
curve_boundaries: BoolProperty(
name="Boundaries",