def example_segment(axes=None):
axes = create_canvas_and_axes(canvas_width = 12,
canvas_height = 10, tick_step=1)
set_default_line_style(linewidth=20)
set_default_outline_style(linewidth=20)
ln = new_layer()
segment = draw_a_segment(ax=axes, start_x=6, start_y=3, turn=0, length=4)
circle = draw_a_circle(ax=axes, centre_x=6, centre_y=9, radius=1)
# return the list of the shapes that are moved by animation
def init():
return get_all_polygons_in_layers()
def animate(i):
# eyelid blink
if i < 20:
if i % 10 == 0:
shift_layer(shift=[0, 1], layer_nbs=[ln])
if 20 <= i < 40:
if i % 10 == 0:
shift_layer(shift=[0, -1], layer_nbs=[ln])
if 60 <= i < 80:
if i % 10 == 0:
rotate_layer(turn=1, diamond=[6, 3], layer_nbs=[ln])
if 40 <= i < 60:
if i % 10 == 0:
stretch_layer(stretch_x=0.5, stretch_y=0.5, diamond=[6, 3], layer_nbs=[ln])
if i % 10 == 0:
print(i, segment.get_xy(), circle.diamond_coords)
return get_all_polygons_in_layers()
show_drawing_and_save_if_needed( # filename="line",
animation_func = animate, animation_init = init, nb_of_frames = 80)
def example_yellow_cat(axes=None, cat_colour = 'Yellow', background_colour = 'SeaWave'):
#######################################################
## CREATING THE DRAWING! ##
#######################################################
## Creating the canvas! ##
axes = create_canvas_and_axes(canvas_width = 120,
canvas_height = 120,
background_colour = background_colour,
axes = axes,
make_symmetric = 'x')
#######################################################
# Now let's draw the shapes! ##
# settings
set_default_outline_style(linewidth=2)
set_default_line_style(linewidth=2)
set_default_patch_style(colour=cat_colour)#darkorange
# the tail
tail_length = [30, 22, 20, 12, 10]
for i, tl in enumerate(tail_length):
triangle_tail = draw_a_triangle(ax=axes, tip_x=38, tip_y=30, height=tl, width=tl/2, turn=7)
if i%2 == 1:
triangle_tail.set_style(colour='black')
# the body
height_body = [60, 57, 54, 38, 35, 19, 16]
for i, bh in enumerate(height_body):
triangle_body = draw_a_triangle(ax=axes, tip_x=0, tip_y=60, height=bh, width=bh, turn=6)
if i%2 == 1:
triangle_body.set_style(colour='black')
# the feet
draw_a_triangle(ax=axes, tip_x=-12, tip_y=20, height=20, width=20, turn=6)
draw_a_triangle(ax=axes, tip_x= 12, tip_y=20, height=20, width=20, turn=6)
head_layer = new_layer()
# the ears
et = 4.5
draw_a_triangle(ax=axes, tip_x=-30, tip_y=114, height=50, width=30, turn=et)
draw_a_triangle(ax=axes, tip_x=-22, tip_y=106, height=40, width=24, colour='black', turn=et)
draw_a_triangle(ax=axes, tip_x= 30, tip_y=114, height=50, width=30, turn=-et)
draw_a_triangle(ax=axes, tip_x= 22, tip_y=106, height=40, width=24, colour='black', turn=-et)
#head
head_circle = draw_a_circle(ax=axes, centre_x=0, centre_y=85, radius=25)
#from this line, the default colour is black
set_default_patch_style(colour='black')
# neck
draw_a_circle(ax=axes, centre_x=0, centre_y=60, radius=1)
neck_coords = [0, 60]
# stripes on the face
# vertical stripes
for c, b in [[-10, 101], [-5, 100], [0, 101]]:
draw_a_rectangle(ax=axes, centre_x=c, bottom=b, width=3, height=20, clip_outline = head_circle)
# horizontal stripes
for c, x in [[70, 16], [75, 15], [80, 18]]:
draw_a_rectangle(ax=axes, right=-x, centre_y=c, width=20, height=3, clip_outline = head_circle)
draw_a_rectangle(ax=axes, left=+x, centre_y=c, width=20, height=3, clip_outline = head_circle)
# eyes
eyes = []
for centre_x in [-12, 12]:
eye_white= draw_an_eye(ax=axes, centre_x=centre_x, centre_y=90, width=16, depth_1=-8, depth_2=8, colour='white')
draw_an_ellipse(ax=axes, centre_x=centre_x, centre_y=90, width=8, height=16, colour='BrightGreen', clip_outline = eye_white)
draw_a_circle(ax=axes, centre_x=centre_x, centre_y=90, radius=3, colour='black', clip_outline = eye_white)
# the following line is needed for animation
eyes.append(eye_white)
# nose
draw_a_triangle(ax=axes, tip_x=0, tip_y=72, height=8, width=10, colour='BubblePink')
# smile
draw_a_segment(ax=axes, start_x=0, start_y=72, length=7, turn=6)
smile = draw_a_smile(ax=axes, centre_x=0, centre_y=69, depth=4, width=20)
return head_layer, neck_coords, eyes, smile
def example_croc(axes=None):
#########################################################
## CREATING THE DRAWING! ##
#########################################################
# Creating the canvas! ##
axes = create_canvas_and_axes(canvas_width = 190,
canvas_height = 100,
background_colour = 'PastelBlue',
axes = axes)
#######################################################
# Now let's draw the shapes! ##
left_body = 30
bottom_body = 30
right_body = 120
right_head = 180
top_body = 50
top_head = bottom_body+15
tail_right = 35 + left_body
tail_width = 10
centre_backside = 50
r_nostrils = 3
lip_y = 0.5 * (top_head + bottom_body)
lip_r = 3
teeth_length = 5
nb_teeth = 7
leg_width = 10
leg_length = 15
feet_height = 5
feel_length = 20
#######################################################
# Now let's draw the shapes! ##
set_default_patch_style(colour='BrightGreen')
# legs
leg_layer_nb = new_layer()
for shift, colour in [[0, 'green'], [-17, 'BrightGreen']]:
for x in [50, 100]:
# draw a leg
draw_a_rectangle(ax=axes, left=x+shift, top=bottom_body, height=leg_length, width=leg_width, colour=colour)
# draw a feet
draw_a_sector(ax=axes, centre_x=x+shift+feel_length/2, centre_y=bottom_body-leg_length, radius=feel_length/2, stretch_y=feet_height/(feel_length/2), angle_start=9, angle_end=15, colour=colour)
# body
body_layer_nb = new_layer()
draw_a_rectangle(ax=axes, left=left_body, bottom=bottom_body, height=top_body-bottom_body, width=right_body-left_body)
# backside
backside_clip_contour = build_a_circle(radius=centre_backside-bottom_body) + [left_body, centre_backside]
draw_a_sector( ax=axes, centre_x=left_body,
centre_y=(2*centre_backside-bottom_body-tail_width+top_body)/2,
radius=(2*centre_backside-bottom_body-tail_width+top_body)/2-bottom_body,
radius_2=(2*centre_backside-bottom_body-tail_width-top_body)/2,
angle_start=6, angle_end=12, clip_outline=backside_clip_contour)
# tail
draw_a_rectangle(ax=axes, left=left_body, top=2*centre_backside-bottom_body, height=tail_width, width=tail_right-left_body)
draw_a_sector(ax=axes, centre_x=tail_right, centre_y=2*centre_backside-bottom_body, radius=tail_width,angle_start=3, angle_end=6)
# lower teeth and jaw
upper_teeth = build_a_zigzag(width=right_head - (right_body-lip_r), height=teeth_length, angle_start=3, nb_segments=2*nb_teeth) + [right_body-lip_r, lip_y]
lower_teeth = upper_teeth[1:-1] + [0, teeth_length]
draw_a_polygon(ax=axes, contour=lower_teeth, colour='white')
draw_a_rectangle(ax=axes, left=right_body, bottom=bottom_body, height=lip_y-bottom_body, width=right_head-right_body)
# upper jaw
upper_jaw_layer_nb = new_layer()
draw_a_rectangle(ax=axes, left=right_body, bottom=lip_y, height=top_head-lip_y, width=right_head-right_body)
# ... and the eyes, white circles with black circles on top
eye_y = top_body
for radius, colour in [[8, 'BrightGreen'], [5, 'white'], [3, 'black']]:
for eye_x in [right_body, right_body+12]:
draw_a_circle(ax=axes, centre_x=eye_x, centre_y=eye_y, radius=radius, colour=colour)
# ... and the eyelids. Saving them in array for future use
eyelids = []
eyelid_width = 12
for eye_x in [right_body, right_body+12]:
for td in [-1, 1]:
mid_y = td * eyelid_width / 2
eyelid = draw_an_eye(ax=axes, centre_x=eye_x, centre_y=eye_y, width=eyelid_width, depth_1=mid_y, depth_2=mid_y, colour='green')
eyelids.append(eyelid)
# ... and the nostrils
nostril_y = top_head
for nostril_x in [right_head-r_nostrils, right_head-3*r_nostrils]:
draw_a_circle(ax=axes, centre_x=nostril_x, centre_y=nostril_y, radius=r_nostrils)
draw_a_circle(ax=axes, centre_x=nostril_x, centre_y=nostril_y, radius=1, colour='green')
# ... and the teeth and the lip
# teeth
draw_a_polygon(ax=axes, contour=upper_teeth, colour='white')
# upper lip
lipline_arc = build_an_arc(radius=lip_r, angle_start=6, angle_end=9) + [right_body-lip_r, lip_y+lip_r]
lipline = link_contours([[right_head, lip_y]], lipline_arc)
draw_a_broken_line(ax=axes, contour=lipline, colour='green', linewidth=2)
upper_jaw_diamond = [right_body-lip_r, lip_y+lip_r]
return leg_layer_nb, body_layer_nb, upper_jaw_layer_nb, eyelids, upper_jaw_diamond
for y in [1.5, 6, 10.5]: draw_a_rectangle(ax=ax, width=16, height=2, centre_x=0, centre_y=y, opacity=0.3, clip_outline=body, colour='orange', outline_linewidth=0) # the head set_default_patch_style( layer_nb=4) set_default_outline_style(layer_nb=3) head = draw_a_circle(ax=ax, centre_x=0, centre_y=14, radius=4.2) # the ears, using the "eye" shape draw_a_crescent(ax=ax, width=6, depth_1=1, depth_2=3, centre_x=-4, centre_y=16, turn=9) draw_a_crescent(ax=ax, width=6, depth_1=1, depth_2=3, centre_x=4, centre_y=16, turn=3) new_layer() # the stripes for y in [10.5, 15]: draw_a_rectangle(ax=ax, width=16, height=2, centre_x=0, centre_y=y, opacity=0.3, clip_outline=head, colour='orange', outline_linewidth=0) # change outlines style set_default_outline_style(linewidth=2) # the eyes eye_height = 15 for centre_x in [-2, 2]: draw_a_crescent(ax=ax, centre_x=centre_x, centre_y=eye_height, width=2, depth_1=-1, depth_2=1, colour='white') draw_an_ellipse(ax=ax, centre_x=centre_x, centre_y=eye_height, width=1, height=2, colour='red') draw_a_circle(ax=ax, centre_x=centre_x, centre_y=eye_height, radius=0.5, colour='black')