def draw_triangle(x, y, size, num_remaining):
if num_remaining > 0:
canvas.set_fill_color(*shade_of(random.choice(palette.colors)))
canvas.set_stroke_color(*shade_of(random.choice(palette.colors)))
canvas.set_line_width(random.random() * 0.5 + 0.5)
step = math.sqrt(size**2 - (size / 2.0)**2)
canvas.move_to(x - step, y - (size / 2.0))
canvas.add_line(x, y + size)
canvas.add_line(x + step, y - (size / 2.0))
canvas.add_line(x - step, y - (size / 2.0))
canvas.fill_path()
canvas.draw_line(x - step, y - (size / 2.0), x, y + size)
canvas.draw_line(x, y + size, x + step, y - (size / 2.0))
canvas.draw_line(x + step, y - (size / 2.0), x - step,
y - (size / 2.0))
canvas.draw_line(x, y, x - (step / 2.0), y + (size / 4.0))
canvas.draw_line(x, y, x + (step / 2.0), y + (size / 4.0))
canvas.draw_line(x, y, x, y - (size / 2.0))
canvas.draw_line(x - (step / 2.0), y + (size / 4.0), x + (step / 2.0),
y + (size / 4.0))
canvas.draw_line(x + (step / 2.0), y + (size / 4.0), x,
y - (size / 2.0))
canvas.draw_line(x, y - (size / 2.0), x - (step / 2.0),
y + (size / 4.0))
draw_triangle(random.random() * width,
random.random() * height,
random.random() * triangle_side, num_remaining - 1)
def draw_heart(outline = False): first = True for t in xrange(int(2*pi * detail)): t = t * detail # heart equation x = 16*(sin(t) ** 3) y = 13*cos(t) - 5*cos(2*t) - 2*cos(3*t) - cos(4*t) # scale result x = origin + x * scale y = origin + y * scale + scale*2 # hide first line if first: canvas.move_to(x, y) first = False else: canvas.add_line(x, y) # set color canvas.set_fill_color(1,0.5,0.5) canvas.set_stroke_color(0.5,0,0) canvas.set_line_width(detail/2) # draw heart if outline: canvas.draw_path() else: canvas.close_path() canvas.fill_path()
def draw_tree(x, y, trunk_thickness, leaf_h, tree_w, trunk_h):
canvas.begin_path()
canvas.move_to(x - tree_w / 2, y + trunk_h)
canvas.add_line(x + tree_w / 2, y + trunk_h)
canvas.add_line(x, y + trunk_h + leaf_h)
canvas.close_path()
canvas.set_fill_color(0.25, 0.50, 0.00)
canvas.fill_path()
canvas.set_stroke_color(0.50, 0.25, 0.00)
canvas.set_line_width(trunk_thickness)
canvas.draw_line(x, y + trunk_h, x, y)
def fill_triangles(x, y, size, theme):
# fill upper triangle
canvas.set_fill_color(*shade_of(random.choice(theme.colors)))
canvas.begin_path()
canvas.move_to(x, y)
canvas.add_line(x, y + size)
canvas.add_line(x + size, y + size)
canvas.add_line(x, y)
canvas.fill_path()
# fill lower triangle
canvas.set_fill_color(*shade_of(random.choice(theme.colors)))
canvas.begin_path()
canvas.move_to(x, y)
canvas.add_line(x + size, y + size)
canvas.add_line(x + size, y)
canvas.add_line(x, y)
canvas.fill_path()
def fill_triangles(x, y, size, theme): # fill upper triangle canvas.set_fill_color(*shade_of(random.choice(theme.colors))) canvas.begin_path() canvas.move_to(x, y) canvas.add_line(x, y + size) canvas.add_line(x + size, y + size) canvas.add_line(x, y) canvas.fill_path() # fill lower triangle canvas.set_fill_color(*shade_of(random.choice(theme.colors))) canvas.begin_path() canvas.move_to(x, y) canvas.add_line(x + size, y + size) canvas.add_line(x + size, y) canvas.add_line(x, y) canvas.fill_path()
def draw_triangle(x, y, size, num_remaining): r, g, b = random.choice(palette) canvas.set_fill_color(r, g, b, random.random() * 0.75 + 0.25) r, g, b = random.choice(palette) canvas.set_stroke_color(r, g, b, random.random() * 0.5 + 0.5) canvas.set_line_width(random.random() * 2.5 + 0.5) step = math.sqrt(size**2 - (size / 2.0)**2) canvas.move_to(x - step, y - (size / 2.0)) canvas.add_line(x, y + size) canvas.add_line(x + step, y - (size / 2.0)) canvas.add_line(x - step, y - (size / 2.0)) canvas.fill_path() canvas.draw_line(x - step, y - (size / 2.0), x, y + size) canvas.draw_line(x, y + size, x + step, y - (size / 2.0)) canvas.draw_line(x + step, y - (size / 2.0), x - step, y - (size / 2.0)) canvas.draw_line(x, y, x - (step / 2.0), y + (size / 4.0)) canvas.draw_line(x, y, x + (step / 2.0), y + (size / 4.0)) canvas.draw_line(x, y, x, y - (size / 2.0)) canvas.draw_line(x - (step / 2.0), y + (size / 4.0), x + (step / 2.0), y + (size / 4.0)) canvas.draw_line(x + (step / 2.0), y + (size / 4.0), x, y - (size / 2.0)) canvas.draw_line(x, y - (size / 2.0), x - (step / 2.0), y + (size / 4.0))
def draw_heart(scale = 18): # 18 = full canvas
#print(scale) # useful for debugging
first_time = True
(xorigin, yorigin) = canvas.get_size()
xorigin *= 0.5 # in the center
yorigin *= 0.588 # north of center
detail = 100
canvas.begin_path()
for t in range(int(2 * math.pi * detail)):
t *= detail
x = scale * (16 * math.sin(t) ** 3)
y = scale * (13 * math.cos(t) - 5*math.cos(2*t) - 2*math.cos(3*t) - math.cos(4 * t))
if first_time: # hide the seams
canvas.move_to(x + xorigin, y + yorigin)
first_time = False
canvas.add_line(x + xorigin, y + yorigin)
canvas.set_line_width(1)
canvas.close_path()
canvas.draw_path() # try commenting out this line...
canvas.set_fill_color(1, 0, 0)
canvas.fill_path() # how do I fill just the inner part?
def draw_heart(scale = 18): # 18 = full canvas
#print(scale) # useful for debugging
first_time = True
(xorigin, yorigin) = canvas.get_size()
xorigin *= 0.5 # in the center
yorigin *= 0.588 # north of center
detail = 100
canvas.begin_path()
for t in xrange(int(2 * math.pi * detail)):
t *= detail
x = scale * (16 * math.sin(t) ** 3)
y = scale * (13 * math.cos(t) - 5*math.cos(2*t) - 2*math.cos(3*t) - math.cos(4 * t))
if first_time: # hide the seams
canvas.move_to(x + xorigin, y + yorigin)
first_time = False
canvas.add_line(x + xorigin, y + yorigin)
canvas.set_line_width(1)
canvas.close_path()
canvas.draw_path() # try commenting out this line...
canvas.set_fill_color(1, 0, 0)
canvas.fill_path() # how do I fill just the inner part?
def draw_triangle(x, y, size, num_remaining): if num_remaining > 0: canvas.set_fill_color(*shade_of(random.choice(palette.colors))) canvas.set_stroke_color(*shade_of(random.choice(palette.colors))) canvas.set_line_width(random.random() * 0.5 + 0.5) step = math.sqrt(size**2 - (size / 2.0)**2) canvas.move_to(x - step, y - (size / 2.0)) canvas.add_line(x, y + size) canvas.add_line(x + step, y - (size / 2.0)) canvas.add_line(x - step, y - (size / 2.0)) canvas.fill_path() canvas.draw_line(x - step, y - (size / 2.0), x, y + size) canvas.draw_line(x, y + size, x + step, y - (size / 2.0)) canvas.draw_line(x + step, y - (size / 2.0), x - step, y - (size / 2.0)) canvas.draw_line(x, y, x - (step / 2.0), y + (size / 4.0)) canvas.draw_line(x, y, x + (step / 2.0), y + (size / 4.0)) canvas.draw_line(x, y, x, y - (size / 2.0)) canvas.draw_line(x - (step / 2.0), y + (size / 4.0), x + (step / 2.0), y + (size / 4.0)) canvas.draw_line(x + (step / 2.0), y + (size / 4.0), x, y - (size / 2.0)) canvas.draw_line(x, y - (size / 2.0), x - (step / 2.0), y + (size / 4.0)) draw_triangle(random.random() * width, random.random() * height, random.random() * triangle_side, num_remaining - 1)
def draw_triangle(x, y, size, num_remaining):
r, g, b = random.choice(palette)
canvas.set_fill_color(r, g, b, random.random() * 0.75 + 0.25)
r, g, b = random.choice(palette)
canvas.set_stroke_color(r, g, b, random.random() * 0.5 + 0.5)
canvas.set_line_width(random.random() * 2.5 + 0.5)
step = math.sqrt(size**2 - (size / 2.0)**2)
canvas.move_to(x - step, y - (size / 2.0))
canvas.add_line(x, y + size)
canvas.add_line(x + step, y - (size / 2.0))
canvas.add_line(x - step, y - (size / 2.0))
canvas.fill_path()
canvas.draw_line(x - step, y - (size / 2.0), x, y + size)
canvas.draw_line(x, y + size, x + step, y - (size / 2.0))
canvas.draw_line(x + step, y - (size / 2.0), x - step, y - (size / 2.0))
canvas.draw_line(x, y, x - (step / 2.0), y + (size / 4.0))
canvas.draw_line(x, y, x + (step / 2.0), y + (size / 4.0))
canvas.draw_line(x, y, x, y - (size / 2.0))
canvas.draw_line(x - (step / 2.0), y + (size / 4.0), x + (step / 2.0),
y + (size / 4.0))
canvas.draw_line(x + (step / 2.0), y + (size / 4.0), x, y - (size / 2.0))
canvas.draw_line(x, y - (size / 2.0), x - (step / 2.0), y + (size / 4.0))
import canvas w = h = 512 canvas.set_size(w, h) canvas.move_to(w * 0.45, h * 0.1) canvas.add_line(w * 0.8, h * 0.55) canvas.add_line(w * 0.55, h * 0.65) canvas.add_line(w * 0.65, h * 0.85) canvas.add_line(w * 0.3, h * 0.55) canvas.add_line(w * 0.55, h * 0.45) canvas.close_path() canvas.set_line_width(3) canvas.draw_path() canvas.fill_path()
import canvas w = h = 512 canvas.set_size(w, h) canvas.move_to(w*0.45, h*0.1) canvas.add_line(w*0.8, h*0.55) canvas.add_line(w*0.55, h*0.65) canvas.add_line(w*0.65, h*0.85) canvas.add_line(w*0.3, h*0.55) canvas.add_line(w*0.55, h*0.45) canvas.close_path() canvas.set_line_width(3) canvas.draw_path() canvas.fill_path()
