def scene1(duration):
position = TweenVector((0, 0)).to((200, 300), t2f(duration))
def draw(ctx, pixel_width, pixel_height, fn, frame_count):
setup(ctx,
pixel_width,
pixel_height,
width=OUTPUTWIDTH,
height=OUTPUTHEIGHT,
background=Color(0.5))
Circle(ctx).of_center_radius(position[fn], 30).fill(Color("red"))
return make_image_frames(draw, WIDTH, HEIGHT, t2f(duration)), duration
def scene2(duration):
position = TweenVector((0, 0)).to((200, 300), t2f(duration))
def draw(ctx, pixel_width, pixel_height, fn, frame_count):
setup(ctx,
pixel_width,
pixel_height,
width=OUTPUTWIDTH,
height=OUTPUTHEIGHT,
background=Color(0.5))
Rectangle(ctx).of_corner_size(position[fn], 50,
50).fill(Color("green"))
return make_image_frames(draw, WIDTH, HEIGHT, t2f(duration)), duration
from generativepy.movie import save_frames
from generativepy.drawing import make_image_frames
from generativepy.color import Color
'''
Create a simple movie of 20 frames
The frames will be stored as PNG images in /tmp with names
- movie00000000.pngmake_image_frames
- movie00000001.png
- movie00000002.png
- etc
'''
def draw(ctx, width, height, frame_no, frame_count):
ctx.set_source_rgba(*Color(1).rgba)
ctx.paint()
# Draw a rectangle.
# It's position changes for each frame.
ctx.set_source_rgba(*Color(0.5, 0, 0).rgba)
ctx.rectangle(50+20*frame_no, 50+10*frame_no, 100, 100)
ctx.fill()
frames = make_image_frames(draw, 500, 350, 20)
save_frames("/tmp/movie", frames)
width = 32
setup(ctx, pixel_width, pixel_height, width=width, startx=-width/2, starty=-width/2, background=Color(1))
a = 14
b = 6
d = 4
angle = (frame_no/frame_count)*2*math.pi*b/math.gcd(a, b)
print(angle)
Origin = (0, 0)
A = (-a, 0)
B = ((a-b)*math.cos(angle), (a-b)*math.sin(angle))
x = (a - b) * math.cos(angle) + d * math.cos((a - b) / b * angle)
y = (a - b) * math.sin(angle) - d * math.sin((a - b) / b * angle)
D = (x, y)
Polygon(ctx).of_points(create_spiro(a, b, d)).stroke(Color('skyblue'), line_width=0.2)
Polygon(ctx).of_points(create_spiro(a, b, d, 0.01, angle)).open().stroke(Color('red'), line_width=0.2)
Circle(ctx).of_center_radius(Origin, a).stroke(Color('darkgreen'), line_width=0.2)
Circle(ctx).of_center_radius(B, b).stroke(Color('blue'), line_width=0.2)
Circle(ctx).of_center_radius(B, 0.3).fill(Color('blue'))
Circle(ctx).of_center_radius(D, 0.3).fill(Color('black'))
Line(ctx).of_start_end(B, D).stroke(Color('black'), line_width=0.2)
frames = make_image_frames(draw3, 400, 400, 100)
save_animated_gif("spirograph-animation.gif", frames, 0.1)
from generativepy.color import Color
from generativepy.utils import temp_file
'''
Illustrates simple use of make_image_frame
'''
def draw(ctx, pixel_width, pixel_height, frame_no, frame_count):
setup(ctx, pixel_width, pixel_height, width=5, background=Color(0.4))
ctx.set_source_rgba(*Color(0.5, 0, 0))
ctx.rectangle(0.5, 0.5, 2.5, 1.5)
ctx.fill()
ctx.set_source_rgba(*Color(0, 0.75, 0, 0.5))
ctx.rectangle(2, 0.25, 2.5, 1)
ctx.fill()
text(ctx,
"simple-make-image-frames {} {}".format(frame_no, frame_count),
1,
3,
size=0.2,
color=Color('cadetblue'),
font='Arial')
frames = make_image_frames(draw, 500, 400, 4)
save_frames(temp_file("simple-make-image-frames.png"), frames)