add_curve_simple.py

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#
#  This program is free software; you can redistribute it and / or
#  modify it under the terms of the GNU General Public License
#  as published by the Free Software Foundation; either version 2
#  of the License, or (at your option) any later version.
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#  but WITHOUT ANY WARRANTY; without even the implied warranty of
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#  GNU General Public License for more details.
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#  along with this program; if not, write to the Free Software Foundation,
#  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110 - 1301, USA.
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# ##### END GPL LICENSE BLOCK #####

bl_info = {
    "name": "Simple Curve",
    "author": "Spivak Vladimir (http://cwolf3d.korostyshev.net)",
    "version": (1, 5, 3),
    "blender": (2, 6, 9),
    "location": "View3D > Add > Curve",
    "description": "Adds Simple Curve",
    "warning": "",
    "wiki_url": "https://wiki.blender.org/index.php/Extensions:2.6/"
                "Py/Scripts/Curve/Simple_curves",
    "category": "Add Curve"}


# ------------------------------------------------------------

import bpy
from bpy.types import (
        Operator,
        Menu,
        Panel,
        PropertyGroup,
        )
from bpy.props import (
        BoolProperty,
        EnumProperty,
        FloatProperty,
        FloatVectorProperty,
        IntProperty,
        StringProperty,
        PointerProperty,
        )
from mathutils import (
        Vector,
        Matrix,
        )
from math import (
        sin, asin, sqrt,
        acos, cos, pi,
        radians, tan,
        hypot,
        )
# from bpy_extras.object_utils import *


# ------------------------------------------------------------
# Point:

def SimplePoint():
    newpoints = []

    newpoints.append([0.0, 0.0, 0.0])

    return newpoints


# ------------------------------------------------------------
# Line:

def SimpleLine(c1=[0.0, 0.0, 0.0], c2=[2.0, 2.0, 2.0]):
    newpoints = []

    c3 = Vector(c2) - Vector(c1)
    newpoints.append([0.0, 0.0, 0.0])
    newpoints.append([c3[0], c3[1], c3[2]])

    return newpoints


# ------------------------------------------------------------
# Angle:

def SimpleAngle(length=1.0, angle=45.0):
    newpoints = []

    angle = radians(angle)
    newpoints.append([length, 0.0, 0.0])
    newpoints.append([0.0, 0.0, 0.0])
    newpoints.append([length * cos(angle), length * sin(angle), 0.0])

    return newpoints


# ------------------------------------------------------------
# Distance:

def SimpleDistance(length=1.0, center=True):
    newpoints = []

    if center:
        newpoints.append([-length / 2, 0.0, 0.0])
        newpoints.append([length / 2, 0.0, 0.0])
    else:
        newpoints.append([0.0, 0.0, 0.0])
        newpoints.append([length, 0.0, 0.0])

    return newpoints


# ------------------------------------------------------------
# Circle:

def SimpleCircle(sides=4, radius=1.0):
    newpoints = []

    angle = radians(360) / sides
    newpoints.append([radius, 0, 0])
    if radius != 0 :
        j = 1
        while j < sides:
            t = angle * j
            x = cos(t) * radius
            y = sin(t) * radius
            newpoints.append([x, y, 0])
            j += 1

    return newpoints


# ------------------------------------------------------------
# Ellipse:

def SimpleEllipse(a=2.0, b=1.0):
    newpoints = []

    newpoints.append([a, 0.0, 0.0])
    newpoints.append([0.0, b, 0.0])
    newpoints.append([-a, 0.0, 0.0])
    newpoints.append([0.0, -b, 0.0])

    return newpoints


# ------------------------------------------------------------
# Arc:

def SimpleArc(sides=0, radius=1.0, startangle=0.0, endangle=45.0):
    newpoints = []

    startangle = radians(startangle)
    endangle = radians(endangle)
    sides += 1

    angle = (endangle - startangle) / sides
    x = cos(startangle) * radius
    y = sin(startangle) * radius
    newpoints.append([x, y, 0])
    j = 1
    while j < sides:
        t = angle * j
        x = cos(t + startangle) * radius
        y = sin(t + startangle) * radius
        newpoints.append([x, y, 0])
        j += 1
    x = cos(endangle) * radius
    y = sin(endangle) * radius
    newpoints.append([x, y, 0])

    return newpoints


# ------------------------------------------------------------
# Sector:

def SimpleSector(sides=0, radius=1.0, startangle=0.0, endangle=45.0):
    newpoints = []

    startangle = radians(startangle)
    endangle = radians(endangle)
    sides += 1

    newpoints.append([0, 0, 0])
    angle = (endangle - startangle) / sides
    x = cos(startangle) * radius
    y = sin(startangle) * radius
    newpoints.append([x, y, 0])
    j = 1
    while j < sides:
        t = angle * j
        x = cos(t + startangle) * radius
        y = sin(t + startangle) * radius
        newpoints.append([x, y, 0])
        j += 1