def draw(context, event, glsettings):
if context.mode != 'EDIT_MESH':
return
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
# convex_hull (2D)
convex_hull_2d_coords = []
project = bpy_extras.view3d_utils.location_3d_to_region_2d
mat = ob.matrix_world
region_coords = []
for eve in bm.verts:
v = project(context.region, context.region_data, mat * eve.co)
region_coords.append(v)
indices = convex_hull(region_coords)
indices = convexhull.convex_hull(region_coords)
for i in indices:
convex_hull_2d_coords.append(region_coords[i])
# obb (2D)
obb_mat_2d, obb_scale_2d = OBB(region_coords)
obb_mat_2d, obb_scale_2d = convexhull.OBB(region_coords)
obb_mat_2d = Matrix(obb_mat_2d)
obb_scale_2d = Vector(obb_scale_2d)
# draw 3d obb
cm = glsettings.region_view3d_space().enter()
x, y, z = obb_scale / 2
vecs = [obb_mat * Vector(v) for v in
[(-x, -y, -z),
(x, -y, -z),
(x, y, -z),
(-x, y, -z),
(-x, -y, z),
(x, -y, z),
(x, y, z),
(-x, y, z)]
]
def draw_line(v1, v2):
if len(v1) == 3:
bgl.glVertex3f(*v1)
bgl.glVertex3f(*v2)
else:
bgl.glVertex2f(*v1)
bgl.glVertex2f(*v2)
bgl.glLineWidth(2.0)
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
for v in vecs:
bgl.glVertex3f(*v)
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
draw_line(vecs[5], vecs[6])
draw_line(vecs[7], vecs[4])
bgl.glEnd()
# Z
bgl.glColor3f(0.0, 0.0, 1.0)
bgl.glBegin(bgl.GL_LINES)
for i in range(4):
draw_line(vecs[i], vecs[i + 4])
bgl.glEnd()
cm.exit()
# draw 2d
bgl.glLineWidth(1.0)
bgl.glColor3f(1.0, 1.0, 1.0)
bgl.glBegin(bgl.GL_LINE_LOOP)
for v in convex_hull_2d_coords:
bgl.glVertex2f(*v)
bgl.glEnd()
# draw 2d obb
bgl.glColor3f(0.0, 1.0, 0.0)
x, y = obb_scale_2d / 2
m = Matrix.Identity(4)
m.col[0][:2] = obb_mat_2d.col[0][:2]
m.col[1][:2] = obb_mat_2d.col[1][:2]
m.col[3][:2] = obb_mat_2d.col[2][:2]
vecs = [(m * Vector(v).to_3d()).to_2d() for v in
[(-x, -y),
(x, -y),
(x, y),
(-x, y)]
]
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[0], vecs[1])
draw_line(vecs[2], vecs[3])
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
bgl.glEnd()
def draw(context, event, glsettings):
if context.mode != 'EDIT_MESH':
return
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
# convex_hull (2D)
convex_hull_2d_coords = []
project = bpy_extras.view3d_utils.location_3d_to_region_2d
mat = ob.matrix_world
region_coords = []
for eve in bm.verts:
v = project(context.region, context.region_data, mat * eve.co)
region_coords.append(v)
indices = convex_hull(region_coords)
indices = convexhull.convex_hull(region_coords)
for i in indices:
convex_hull_2d_coords.append(region_coords[i])
# obb (2D)
obb_mat_2d, obb_scale_2d = OBB(region_coords)
obb_mat_2d, obb_scale_2d = convexhull.OBB(region_coords)
obb_mat_2d = Matrix(obb_mat_2d)
obb_scale_2d = Vector(obb_scale_2d)
# draw 3d obb
cm = glsettings.region_view3d_space().enter()
x, y, z = obb_scale / 2
vecs = [
obb_mat * Vector(v)
for v in [(-x, -y,
-z), (x, -y, -z), (x, y,
-z), (-x, y,
-z), (-x, -y,
z), (x, -y,
z), (x, y,
z), (-x, y, z)]
]
def draw_line(v1, v2):
if len(v1) == 3:
bgl.glVertex3f(*v1)
bgl.glVertex3f(*v2)
else:
bgl.glVertex2f(*v1)
bgl.glVertex2f(*v2)
bgl.glLineWidth(2.0)
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
for v in vecs:
bgl.glVertex3f(*v)
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
draw_line(vecs[5], vecs[6])
draw_line(vecs[7], vecs[4])
bgl.glEnd()
# Z
bgl.glColor3f(0.0, 0.0, 1.0)
bgl.glBegin(bgl.GL_LINES)
for i in range(4):
draw_line(vecs[i], vecs[i + 4])
bgl.glEnd()
cm.exit()
# draw 2d
bgl.glLineWidth(1.0)
bgl.glColor3f(1.0, 1.0, 1.0)
bgl.glBegin(bgl.GL_LINE_LOOP)
for v in convex_hull_2d_coords:
bgl.glVertex2f(*v)
bgl.glEnd()
# draw 2d obb
bgl.glColor3f(0.0, 1.0, 0.0)
x, y = obb_scale_2d / 2
m = Matrix.Identity(4)
m.col[0][:2] = obb_mat_2d.col[0][:2]
m.col[1][:2] = obb_mat_2d.col[1][:2]
m.col[3][:2] = obb_mat_2d.col[2][:2]
vecs = [(m * Vector(v).to_3d()).to_2d()
for v in [(-x, -y), (x, -y), (x, y), (-x, y)]]
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[0], vecs[1])
draw_line(vecs[2], vecs[3])
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
bgl.glEnd()
def test(use_random=True, random_count=10, lifetime=3.0):
import bpy_extras
import bgl
from . import testops
import localutils
from localutils import convexhull
# convexhull = localutils.convexhull
context = bpy.context
if context.mode != 'EDIT_MESH':
return
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
if use_random:
bm.clear()
for i in range(random_count):
bm.verts.new([random.uniform(-1, 1) for i in range(3)])
# bmesh.update_edit_mesh(ob.data)
mat = ob.matrix_world
coords = [mat * v.co for v in bm.verts]
# convex_hull (3D)
indices = convex_hull(coords)
indices = convexhull.convex_hull(coords)
if indices:
for tri in indices:
verts = [bm.verts[i] for i in tri]
bm.faces.new(verts)
bm.normal_update()
bmesh.update_edit_mesh(ob.data)
# obb (3D)
obb_mat, obb_scale = OBB(coords)
obb_mat, obb_scale = convexhull.OBB(coords)
obb_mat = Matrix(obb_mat)
obb_scale = Vector(obb_scale)
def draw(context, event, glsettings):
if context.mode != 'EDIT_MESH':
return
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
# convex_hull (2D)
convex_hull_2d_coords = []
project = bpy_extras.view3d_utils.location_3d_to_region_2d
mat = ob.matrix_world
region_coords = []
for eve in bm.verts:
v = project(context.region, context.region_data, mat * eve.co)
region_coords.append(v)
indices = convex_hull(region_coords)
indices = convexhull.convex_hull(region_coords)
for i in indices:
convex_hull_2d_coords.append(region_coords[i])
# obb (2D)
obb_mat_2d, obb_scale_2d = OBB(region_coords)
obb_mat_2d, obb_scale_2d = convexhull.OBB(region_coords)
obb_mat_2d = Matrix(obb_mat_2d)
obb_scale_2d = Vector(obb_scale_2d)
# draw 3d obb
cm = glsettings.region_view3d_space().enter()
x, y, z = obb_scale / 2
vecs = [obb_mat * Vector(v) for v in
[(-x, -y, -z),
(x, -y, -z),
(x, y, -z),
(-x, y, -z),
(-x, -y, z),
(x, -y, z),
(x, y, z),
(-x, y, z)]
]
def draw_line(v1, v2):
if len(v1) == 3:
bgl.glVertex3f(*v1)
bgl.glVertex3f(*v2)
else:
bgl.glVertex2f(*v1)
bgl.glVertex2f(*v2)
bgl.glLineWidth(2.0)
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
for v in vecs:
bgl.glVertex3f(*v)
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
draw_line(vecs[5], vecs[6])
draw_line(vecs[7], vecs[4])
bgl.glEnd()
# Z
bgl.glColor3f(0.0, 0.0, 1.0)
bgl.glBegin(bgl.GL_LINES)
for i in range(4):
draw_line(vecs[i], vecs[i + 4])
bgl.glEnd()
cm.exit()
# draw 2d
bgl.glLineWidth(1.0)
bgl.glColor3f(1.0, 1.0, 1.0)
bgl.glBegin(bgl.GL_LINE_LOOP)
for v in convex_hull_2d_coords:
bgl.glVertex2f(*v)
bgl.glEnd()
# draw 2d obb
bgl.glColor3f(0.0, 1.0, 0.0)
x, y = obb_scale_2d / 2
m = Matrix.Identity(4)
m.col[0][:2] = obb_mat_2d.col[0][:2]
m.col[1][:2] = obb_mat_2d.col[1][:2]
m.col[3][:2] = obb_mat_2d.col[2][:2]
vecs = [(m * Vector(v).to_3d()).to_2d() for v in
[(-x, -y),
(x, -y),
(x, y),
(-x, y)]
]
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[0], vecs[1])
draw_line(vecs[2], vecs[3])
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
bgl.glEnd()
testops.add_callback(draw, lifetime, 'POST_PIXEL')
def test(use_random=True, random_count=10, lifetime=3.0):
import bpy_extras
import bgl
from . import testops
import localutils
from localutils import convexhull
# convexhull = localutils.convexhull
context = bpy.context
if context.mode != 'EDIT_MESH':
return
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
if use_random:
bm.clear()
for i in range(random_count):
bm.verts.new([random.uniform(-1, 1) for i in range(3)])
# bmesh.update_edit_mesh(ob.data)
mat = ob.matrix_world
coords = [mat * v.co for v in bm.verts]
# convex_hull (3D)
indices = convex_hull(coords)
indices = convexhull.convex_hull(coords)
if indices:
for tri in indices:
verts = [bm.verts[i] for i in tri]
bm.faces.new(verts)
bm.normal_update()
bmesh.update_edit_mesh(ob.data)
# obb (3D)
obb_mat, obb_scale = OBB(coords)
obb_mat, obb_scale = convexhull.OBB(coords)
obb_mat = Matrix(obb_mat)
obb_scale = Vector(obb_scale)
def draw(context, event, glsettings):
if context.mode != 'EDIT_MESH':
return
ob = context.active_object
bm = bmesh.from_edit_mesh(ob.data)
# convex_hull (2D)
convex_hull_2d_coords = []
project = bpy_extras.view3d_utils.location_3d_to_region_2d
mat = ob.matrix_world
region_coords = []
for eve in bm.verts:
v = project(context.region, context.region_data, mat * eve.co)
region_coords.append(v)
indices = convex_hull(region_coords)
indices = convexhull.convex_hull(region_coords)
for i in indices:
convex_hull_2d_coords.append(region_coords[i])
# obb (2D)
obb_mat_2d, obb_scale_2d = OBB(region_coords)
obb_mat_2d, obb_scale_2d = convexhull.OBB(region_coords)
obb_mat_2d = Matrix(obb_mat_2d)
obb_scale_2d = Vector(obb_scale_2d)
# draw 3d obb
cm = glsettings.region_view3d_space().enter()
x, y, z = obb_scale / 2
vecs = [
obb_mat * Vector(v)
for v in [(-x, -y,
-z), (x, -y, -z), (x, y,
-z), (-x, y,
-z), (-x, -y,
z), (x, -y,
z), (x, y,
z), (-x, y, z)]
]
def draw_line(v1, v2):
if len(v1) == 3:
bgl.glVertex3f(*v1)
bgl.glVertex3f(*v2)
else:
bgl.glVertex2f(*v1)
bgl.glVertex2f(*v2)
bgl.glLineWidth(2.0)
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
for v in vecs:
bgl.glVertex3f(*v)
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
draw_line(vecs[5], vecs[6])
draw_line(vecs[7], vecs[4])
bgl.glEnd()
# Z
bgl.glColor3f(0.0, 0.0, 1.0)
bgl.glBegin(bgl.GL_LINES)
for i in range(4):
draw_line(vecs[i], vecs[i + 4])
bgl.glEnd()
cm.exit()
# draw 2d
bgl.glLineWidth(1.0)
bgl.glColor3f(1.0, 1.0, 1.0)
bgl.glBegin(bgl.GL_LINE_LOOP)
for v in convex_hull_2d_coords:
bgl.glVertex2f(*v)
bgl.glEnd()
# draw 2d obb
bgl.glColor3f(0.0, 1.0, 0.0)
x, y = obb_scale_2d / 2
m = Matrix.Identity(4)
m.col[0][:2] = obb_mat_2d.col[0][:2]
m.col[1][:2] = obb_mat_2d.col[1][:2]
m.col[3][:2] = obb_mat_2d.col[2][:2]
vecs = [(m * Vector(v).to_3d()).to_2d()
for v in [(-x, -y), (x, -y), (x, y), (-x, y)]]
# X
bgl.glColor3f(1.0, 0.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[0], vecs[1])
draw_line(vecs[2], vecs[3])
bgl.glEnd()
# Y
bgl.glColor3f(0.0, 1.0, 0.0)
bgl.glBegin(bgl.GL_LINES)
draw_line(vecs[1], vecs[2])
draw_line(vecs[3], vecs[0])
bgl.glEnd()
testops.add_callback(draw, lifetime, 'POST_PIXEL')