def mouseClicked():
"""Mouse click event function."""
global points, concave
background(255)
points.append((mouse.x, mouse.y))
for p in points:
ellipse(p[0], p[1], SIZE, SIZE)
if len(points) >= 3:
concave = hull.concave(points)
for i in range(len(concave) - 1):
line(concave[i], concave[i + 1])
line(concave[-1], concave[0])
def mouseClicked():
"""
Mouse clicked event.
:return: None
"""
global points, c_hull
background(255) # Redraw background to delete old scenery
points.append((mouse.x, mouse.y))
for p in points:
ellipse(p[0], p[1], SIZE, SIZE)
if len(points) >= 3:
c_hull = hull.concave(points, 3) # Calculate concave hull
for i in range(len(c_hull) - 1):
line(c_hull[i], c_hull[i + 1])
line(c_hull[-1], c_hull[0]) # Close hull
def setup():
"""Initial setup function."""
size(WIDTH, HEIGHT)
background(255)
fill(0)
stroke(0)
points = []
for i in range(COUNT):
x = randint(OFFSET, WIDTH - OFFSET)
y = randint(OFFSET, HEIGHT - OFFSET)
points.append((x, y))
ellipse(x, y, SIZE, SIZE)
concave = hull.concave(points)
for i in range(len(concave) - 1):
line(concave[i], concave[i + 1])
line(concave[-1], concave[0])
def setup():
"""
Setup.
:return: None
"""
size(WIDTH, HEIGHT)
background(255)
fill(0)
stroke(0)
points = [] # List of points
for i in range(COUNT):
x, y = randint(OFFSET, WIDTH - OFFSET), randint(OFFSET, HEIGHT - OFFSET)
points.append((x, y))
ellipse(x, y, SIZE, SIZE)
c_hull = hull.concave(points, 3) # Calculate concave hull
for i in range(len(c_hull) - 1):
line(c_hull[i], c_hull[i + 1])
line(c_hull[-1], c_hull[0]) # Close hull
import hull
points = [(207, 184), (393, 60), (197, 158), (197, 114), (128, 261), (442, 40),
(237, 159), (338, 75), (194, 93), (33, 159), (393, 152), (433, 267),
(324, 141), (384, 183), (273, 165), (250, 257), (423, 198),
(227, 68), (120, 184), (214, 49), (256, 75), (379, 93), (312, 49),
(471, 187), (366, 122)]
concave_hull = hull.concave(points, 3)
convex_hull = hull.convex(points)
import hull
points = [(207, 184), (393, 60), (197, 158), (197, 114), (128, 261), (442, 40),
(237, 159), (338, 75), (194, 93), (33, 159), (393, 152), (433, 267),
(324, 141), (384, 183), (273, 165), (250, 257), (423, 198),
(227, 68), (120, 184), (214, 49), (256, 75), (379, 93), (312, 49),
(471, 187), (366, 122)]
concave = hull.concave(points, 3)
convex = hull.convex(points)