def make_frame(t):
surface = gz.Surface(width, height)
progress = t / duration
cut = int(progress * len(points_p)) + 430
points = np.concatenate(
[points_[cut:], points_[:cut] + (0, 2 * np.pi * n_reps)])
points[:, 1] -= 2 * np.pi * progress
points[:, 1] *= stretch
r_coefficients = np.power(points[:, 1] / (2 * np.pi * n_reps * stretch), 3)
points[:, 0] *= r_coefficients
mean_rs = r * r_coefficients
points[:, 0] = (points[:, 0] - mean_rs) * stretch + mean_rs
points[:, 0] *= 0.8
points[:, 1] += 2 * np.pi * progress - 0.5 * np.pi
points = polar_to_cartesian_np(points) + center
surface = gz.Surface(width, height)
n_segments = 50
for i in range(10, n_segments):
color = [1, 1, 1, ((i + 1) / n_segments)**2]
gz.polyline(points=points[len(points) * i // n_segments:len(points) *
(i + 1) // n_segments + 1],
stroke_width=2 * (i + 1) / n_segments,
stroke=color).draw(surface)
return surface.get_npimage()
def make_frame(self, t):
"""
Creates colored pointer. Background color is the blur color, pointer (rect) color is the color
of the pointer.
"""
surface = gz.Surface(self.width,
self.height,
bg_color=self.p_glow_color)
# rect = gz.rectangle(lx=150, ly=5, xy=(250,250), fill=(0,1,0), angle=3.1415926/(2*t+1))
rect = gz.rectangle(
lx=self.p_length,
ly=self.p_width,
xy=(self.p_rot_center_x + self.p_length * self.p_shift,
self.p_rot_center_y),
fill=self.p_color)
rect = rect.rotate(self.speed2angle(t),
center=[self.p_rot_center_x, self.p_rot_center_y])
rect.draw(surface)
if self.g_text_visible:
txt = gz.text('{0}'.format(
int(self.gps_speed[int(t)] * self.unit_conversion_factor)),
fontfamily=self.g_text_fontFamily,
fontsize=self.g_text_size,
xy=(self.g_text_x, self.g_text_y),
fill=self.p_color)
txt.draw(surface)
arr = surface.get_npimage()
if self.parent is not None:
self.parent.processBarExport(p=1)
if self.parent.cancelExport is True:
raise TypeError('Canceling...')
return arr
def make_frame(t):
surface = gz.Surface(width, height)
progress = t / duration
t_floaters = (progress * repetitions + progresses) % 1.0
floaters = np.stack([
x_shifts + amplitudes * np.sin(2 * np.pi * t_floaters *
(height / periods)),
50 + (width - 100) * (1 - t_floaters)
]).T
d_center = np.sum(np.square(floaters - np.array([width / 2, height / 2])),
axis=1) - (width / 2)**2
points = np.concatenate([symbol, floaters[d_center < 0, :]])
d = distance_matrix(symbol, floaters)
for i in range(len(symbol)):
for j in range(len(floaters)):
if d[i, j] <= max_dist:
alpha = (1 - d[i, j] / max_dist)**2
gz.polyline(points=[points[i, :], floaters[j, :]],
stroke=(1, 1, 1, alpha),
stroke_width=1).draw(surface)
return surface.get_npimage()
def make_frame(t):
inputs = sim.get_scaled_state()
if hasattr(net, 'activate'):
action = net.activate_cpu(inputs)
#action = net.activate(inputs)
#action = net.my_activate(inputs)
else:
action = net.advance(inputs, sim.time_step, sim.time_step)
sim.step(force_function(action))
surface = gz.Surface(w, h, bg_color=(1, 1, 1))
# Convert position to display units
visX = scale * sim.x
# Draw cart.
group = gz.Group((cart, )).translate((visX, 0))
group.draw(surface)
# Draw pole.
group = gz.Group((pole, )).translate(
(visX, 0)).rotate(sim.theta, center=(150 + visX, 80))
group.draw(surface)
return surface.get_npimage()
def draw_seconds(seconds):
center = numpy.array([40 / 2, 16 / 2])
surface = gizeh.Surface(width=40, height=16,
bg_color=(0, 0, 0)) # in pixels
image = alpha_to_color(misc.imread('alpaka.png'))
alpaka = gizeh.ImagePattern(image, pixel_zero=center)
r = gizeh.rectangle(lx=40, ly=16, xy=(24, 8), fill=alpaka)
r.draw(surface)
text = gizeh.text("{:02d}".format(seconds),
fontfamily="DIN Condensed",
fontsize=20,
fill=(0.99, 0.82, 0.25),
xy=(32, 8),
angle=0) # Pi/12)
text.draw(surface)
#surface.write_to_png("circle.png")
out = surface.get_npimage()
fb = out.tobytes()
prepped = prepare_message(fb, unpack=False)
send_array(prepped, '100.100.218.106')
def render_text(t):
surface = gz.Surface(640, 60, bg_color=WHITE_GIZEH)
text = gz.text(
"Let's build together", fontfamily="Charter",
fontsize=30, fontweight='bold', fill=BLUE, xy=(320, 40))
text.draw(surface)
return surface.get_npimage()
def _make_frame_per_frame(self, ind):
if isinstance(self._picture, BaseForm):
surface = gizeh.Surface(int(self.screen_size[0] * 2), int(self.screen_size[1] * 2))
self._picture.surface = surface
for i in range(self.meta_multiplicity):
for attr in ['center', 'angle']:
if hasattr(self._picture, attr):
attr_list = self.__getattribute__(attr + 's')
if not isinstance(attr_list, type(None)):
self._picture.__setattr__(attr, attr_list[i][ind])
self._picture.draw(ind)
return self._picture.surface.get_npimage(transparent=True)
else:
pic = None
for i in range(self.meta_multiplicity):
self._picture.center = self.centers[i][ind]
newpic = Image.fromarray(self._picture._make_frame_per_frame(ind)).convert('RGBA')
if pic:
pic.paste(newpic, (0, 0), newpic)
else:
pic = newpic
return np.array(pic.convert('RGBA'))
def animation4(t):
W = H = 480
WSQ = W/4
a = np.pi/8
points = [(0,0),(1,0),(1-np.cos(a)**2,np.sin(2*a)/2),(0,0)]
surface = gz.Surface(W,H)
for k, (c1,c2) in enumerate([[(.7,0.05,0.05),(1,0.5,0.5)],
[(0.05,0.05,.7),(0.5,0.5,1)]]):
grad = gz.ColorGradient("linear",xy1=(0,0), xy2 = (1,0),
stops_colors= [(0,c1),(1,c2)])
r = min(np.pi/2,max(0,np.pi*(t-DURATION/3)/DURATION))
triangle = gz.polyline(points,xy=(-0.5,0.5), fill=grad,
angle=r, stroke=(1,1,1), stroke_width=.02)
square = gz.Group([triangle.rotate(i*np.pi/2)
for i in range(4)])
squares = (gz.Group([square.translate((2*i+j+k,j))
for i in range(-3,4)
for j in range(-3,4)])
.scale(WSQ)
.translate((W/2-WSQ*t/DURATION,H/2)))
squares.draw(surface)
return surface.get_npimage()
def render_visual_state(state,
pixels_per_worldunit,
bg_color=(0.3, 0.3, 0.3),
scale_to_multiple_of_ten=True) -> np.ndarray:
"""
Converts a 'visual state' to a rendered image
:param state: dict with entries 'display_objects' (iterable of tuples (int, DisplayableObject)) and 'camera'
:param pixels_per_worldunit: number of rendered pixels per world unit
:param bg_color: background-color-tuple (r,g,b)
:return: rendered image as 3D-numpy array
"""
width, height = state['camera'].get_img_dims(pixels_per_worldunit)
if bg_color is not None and len(bg_color) == 3:
bg_color = bg_color + (1., )
if scale_to_multiple_of_ten:
surface_dims = (int(np.ceil(width / 10)) * 10,
int(np.ceil(height / 10)) * 10)
else:
surface_dims = (int(round(width)), int(round(height)))
# Ensure that output image has dimensions as a multiple of 10 (video player compatibility)
surface = gizeh.Surface(*surface_dims, bg_color)
# The elements of state['display_objects'] have the drawing order as their first entry
for _, display_object in sorted(state['display_objects'].values(),
key=lambda t: t[0]):
display_object.draw(surface, state['camera'], pixels_per_worldunit)
img = surface.get_npimage()
return img
def make_frame(t):
dt = 1.0 * DURATION / 2 / NDISKS_PER_CYCLE
N = int(NDISKS_PER_CYCLE / SPEED)
t0 = 1.0 / SPEED
surface = gz.Surface(W, H)
for i in range(1, N):
a = (np.pi / NDISKS_PER_CYCLE) * (N - i - 1)
r = np.maximum(0, 0.05 * (t + t0 - dt * (N - i - 1)))
center = W * (0.5 + gz.polar2cart(r, a))
color = 1 * ((1.0 * i / NDISKS_PER_CYCLE) % 1.0, 1, 0)
circle = gz.circle(r=0.3 * W,
xy=center,
fill=color,
stroke_width=0.01 * W)
circle.draw(surface)
contour1 = gz.circle(r=0.65 * W, xy=[W / 2, W / 2], stroke_width=0.5 * W)
contour2 = gz.circle(r=0.42 * W,
xy=[W / 2, W / 2],
stroke_width=0.02 * W,
stroke=(1, 1, 1))
contour1.draw(surface)
contour2.draw(surface)
return surface.get_npimage()
def half(t, side="left"):
points = gz.geometry.polar_polygon(NFACES, R, NSQUARES)
#ipoint = 0 if side=="left" else NSQUARES/2
#points = (points[ipoint:]+points[:ipoint])[::-1]
#for point in points:
# print point
surface = gz.Surface(W, H)
centerPoints = []
for (r, th, d) in points:
center = W * (0.5 + gz.polar2cart(r, th))
angle = -(6 * np.pi * d + t * np.pi / DURATION)
#color= colorsys.hls_to_rgb((2*d+t/DURATION)%1,.5,.5)
centerPoints.append(center)
color = (0.9, 0.9, 0.9)
square = gz.circle(r=4.0, xy=center, fill=color)
#square = gz.square(l=0.17*W, xy= center, angle=angle,
# fill=color, stroke_width= 0.005*W, stroke=(1,1,1))
square.draw(surface)
line = gz.polyline(points=centerPoints, stroke_width=1, stroke=(1, 0, 0))
line.draw(surface)
im = surface.get_npimage()
return (im[:, :W / 2] if (side == "left") else im[:, W / 2:])
def make_frame(t):
W,H = np.array([box,box]) # width, height, in pixels
radius = (box/256.0)*10
surface = gizeh.Surface(W,H)
i = int((t/duration)*pt_N)
dx = np.array([W/2.,H/2.])
pts = R[i]
cx = np.sin(t/duration*(np.pi))
c = (cx, 0.5, 0, alpha)
for x,y in pts:
xy = dx + [x,y]*dx/1.5
scale = box/128.
if use_circles:
circle = gizeh.circle(radius+(2*scale), xy=xy, fill=[1,1,1,alpha])
circle.draw(surface)
circle = gizeh.circle(radius+(1*scale), xy=xy, fill=[0,0,0,1])
circle.draw(surface)
circle = gizeh.circle(radius, xy=xy, fill=c)
circle.draw(surface)
img = surface.get_npimage()
return img
def prepare():
surface = gz.Surface(width, height)
gz.rectangle(lx=width,
ly=height,
xy=(width / 2, height / 2),
fill=(0, 0, 0)).draw(surface)
gz.circle(xy=(width / 2, height / 2), r=width / 2 - 10,
fill=(1, 1, 1)).draw(surface)
gz.circle(xy=(width / 2, height / 2), r=width / 2 - 40,
fill=(0, 0, 0)).draw(surface)
surface.write_to_png('spiral_ring.png')
points = stipple_image_points('spiral_ring.png',
n_points=5000,
scale_factor=2,
max_iterations=50)
np.save('spiral_ring.npy', points)
write_tsp('spiral_ring.tsp', points)
run_linkern('spiral_ring.tsp', 'spiral_ring.cyc',
'../../tools/linkern.exe')
postprocess_cyc('spiral_ring.npy',
'spiral_ring.cyc',
'spiral_ring_processed.npy', (256, 256),
segment_length=5,
degree=3,
normalize_points=False)
def prepare_data():
surface = gz.Surface(1000, 1000)
offset = np.array((500, 500))
gz.square(l=1000, xy=offset, fill=(0, 0, 0)).draw(surface)
radius, corners, stroke_width = get_extinction_symbol_params(400)
gz.circle(r=radius, xy=offset, stroke=(1, 1, 1),
stroke_width=stroke_width).draw(surface)
gz.polyline(points=corners + offset,
close_path=True,
fill=None,
stroke=(1, 1, 1),
stroke_width=stroke_width).draw(surface)
surface.write_to_png('extinction_symbol.png')
print('STIPPLING EXTINCTION SYMBOL')
points = stipple_image_points('extinction_symbol.png',
n_points=2500,
scale_factor=1,
max_iterations=50)
np.save('extinction_symbol', points)
points = np.load('extinction_symbol.npy')
write_tsp('extinction_symbol.tsp', points)
run_linkern('extinction_symbol.tsp', 'extinction_symbol.cyc',
'../../tools/linkern.exe')
postprocess_cyc('extinction_symbol.npy',
'extinction_symbol.cyc',
'extinction_symbol_processed.npy', (width, height),
radius=110 / 128,
segment_length=5)
def make_frame(t):
surface = gz.Surface(W, H, bg_color=(1, 1, 1))
gradient = gz.ColorGradient(type="radial",
stops_colors=[(0, (1, 0, 0, alpha)),
(1, (0.9, 0, 0, alpha))],
xy1=[0.3, -0.3],
xy2=[0, 0],
xy3=[0, 1.4])
for i in range(numBalls):
if (t < duration / 2):
newRadius = pytweening.easeInOutBounce(2 * t / duration) * radius
newCircleRadius = pytweening.easeInOutBounce(
2 * t / duration) * circleRadius
else:
newRadius = pytweening.easeInOutBounce(1 - (t / duration)) * radius
newCircleRadius = pytweening.easeInOutBounce(
1 - (t / duration)) * circleRadius
angle = (2 * np.pi / numBalls) * i
#center = (W/2) + gz.polar2cart(newCircleRadius, angle)
center = (W / 2) + gz.polar2cart(circleRadius, angle)
#ball = gz.circle(r=newRadius, fill=gradient).translate((x, y))
ball = gz.circle(r=newRadius, fill=gradient).translate(center)
ball.draw(surface)
return surface.get_npimage()
def make_frame(t):
speed = t * -20
surface = gz.Surface(w, h, bg_color=(1, 1, 1))
x0 = (coords[0] + 1) * scale # change coords with neat
x1 = (coords[1] + 1) * scale + speed # change coords with neat and remove +speed
height_support = h / 2 + beamheight * 50
support0 = support.translate(xy=[x0, height_support])
group = gz.Group((support0,))
group.draw(surface)
support1 = support.translate(xy=[x1, height_support])
group = gz.Group((support1,))
group.draw(surface)
group = gz.Group((beam,))
group.draw(surface)
# Get the moments
momentenfunction(beamwidth)
# Draw text
text1 = gz.text(str(round(momenten[0])), fontfamily="Impact", fontsize=14, fill=(0, 0, 1), xy=[x0, 30])
text2 = gz.text(str(round(momenten[1])), fontfamily="Impact", fontsize=14, fill=(0, 0, 1), xy=[(x0 + x1) / 2, 80])
text3 = gz.text(str(round(momenten[2])), fontfamily="Impact", fontsize=14, fill=(0, 0, 1), xy=[x1, 30])
group = gz.Group((text1, text2, text3))
group.draw(surface)
return surface.get_npimage()
def make_frame(t):
surface = gz.Surface(width, height)
progress = t / duration
center = width / 2, height / 2 - 18
circles = [
geo.Point(center).buffer(r, resolution=32)
for r in np.arange(5, 0.8 * width, 10)
]
p = [
interval_progresses(progress + offset, 6, 'hermite')
for offset in np.linspace(0, 1 / 3, len(circles))[::-1]
]
angles = [
hermite(hermite(p[i][2] - p[i][5])) * 2 * np.pi for i in range(len(p))
]
arcs = []
for i, c in enumerate(circles):
s = xr.intersection(c.exterior)
if isinstance(s, geo.LineString):
arcs.append((s, angles[i]))
elif isinstance(s, geo.MultiLineString):
arcs.extend([(arc, angles[i]) for arc in s])
for arc, angle in arcs:
coords = np.array(arc.coords)
rotate_around(coords, angle, center)
gz.polyline(points=coords,
stroke=(1, 1, 1),
stroke_width=5,
line_cap='round').draw(surface)
return surface.get_npimage()
def piano_surface(midi, size, offset, time):
surface = gizeh.Surface(*size)
current = midi.second2tick(time)
hit_note_colors = {
midi.notes[interval[2]]['note']: track_colors[midi.notes[interval[2]]['track'] % 4]
for interval in midi.timeline[current]
}
ivory_params = lambda note: {
'lx' : size[0]/52,
'ly' : size[1],
'xy' : (size[0] * position[note], size[1] / 2),
'fill' : hit_note_colors[note][1] if note in hit_note_colors.keys() else RGB('#CBCFCC'),
'stroke': RGB('#3A3E42'),
'stroke_width': 1
}
ebony_params = lambda note: {
'lx' : size[0]/52 * 0.7,
'ly' : size[1] * 2/3,
'xy' : (size[0] * position[note], size[1] / 3),
'fill': hit_note_colors[note][0] if note in hit_note_colors.keys() else RGB('#3A3E42')
}
for note in filter(is_ivory, range(21, 109)):
gizeh.rectangle(**ivory_params(note)).draw(surface)
for note in filter(is_ebony, range(21, 109)):
gizeh.rectangle(**ebony_params(note)).draw(surface)
return surface
def make_frame_mask(self, t):
"""
Creates pointer mask.
"""
surface = gz.Surface(self.width, self.height, bg_color=(0, 0, 0))
# rect = gz.rectangle(lx=150, ly=5, xy=(250,250), fill=(1,1,1), angle=3.1415926/(2*t+1))
rect = gz.rectangle(
lx=self.p_length + 2 * self.p_glow_margin,
ly=self.p_width + 2 * self.p_glow_margin,
xy=(self.p_rot_center_x + self.p_length * self.p_shift,
self.p_rot_center_y),
fill=(1, 1, 1))
rect = rect.rotate(self.speed2angle(t),
center=[self.p_rot_center_x, self.p_rot_center_y])
rect.draw(surface)
if self.g_text_visible:
txt = gz.text('{0}'.format(
int(self.gps_speed[int(t)] * self.unit_conversion_factor)),
fontfamily=self.g_text_fontFamily,
fontsize=self.g_text_size,
xy=(self.g_text_x, self.g_text_y),
fill=(1, 1, 1))
txt.draw(surface)
arr = surface.get_npimage()
if self.parent is not None and self.parent.cancelExport is True:
raise TypeError('Canceling...')
return arr
def draw(self):
surface = gizeh.Surface(width=self.width,
height=self.height,
bg_color=(1, 1, 1))
if self.bg:
fill = gizeh.ImagePattern(self.bg.data, self.bg.pos, filter='best')
bg_circle = gizeh.circle(r=self.width * 5, fill=fill)
bg_circle.draw(surface)
if self.dragon:
xy_pos = self.dragon.pos
dragon_circle = gizeh.circle(r=10, xy=xy_pos, fill=(1, 0, 0))
dragon_circle.draw(surface)
for target in self.target_list:
circle = gizeh.circle(r=target.size,
xy=target.pos,
fill=target.color)
circle.draw(surface)
surface.get_npimage()
img_name = "temp/scr" + str(self.time) + ".png"
surface.write_to_png(img_name)
self.time += 1
def make_frame(t):
progress = t / duration
p = interval_progresses(progress, 2, 'hermite')
p = interval_progresses(p[0], 2, 'none') + interval_progresses(
p[1], 2, 'none')
# circle
surface = gz.Surface(2 * width, 2 * height)
gz.circle(xy=(width, height),
r=40 + 3 * (p[0] - p[1] - p[2] + p[3]),
stroke_width=8 + 4 * (p[0] + p[1] - p[2] - p[3]),
stroke=(1, 1, 1)).draw(surface)
# FFT
I = np.fft.fft2(surface.get_npimage()[:, :, 0] / 255)
I = np.log(np.abs(I) + 0.00001).astype(np.float32)
I = 1 - np.minimum(1, np.maximum(0, I))
I = resize(I, (width, height))
# border
radius = (300 + 15 * (p[0] + p[1] - p[2] - p[3]))
I *= get_circle_mask(width, height, radius)
I = np.tile(I[:, :, np.newaxis], (1, 1, 4)) * 255
surface = gz.Surface.from_image(I.astype(np.uint8))
gz.circle(xy=(width / 2, height / 2),
r=radius,
stroke=(1, 1, 1),
stroke_width=2).draw(surface)
return surface.get_npimage()
def render(self, volume, as_html=False):
self._calc_M()
surf = gizeh.Surface(width=self.width,
height=self.height,
bg_color=self.bg_color)
ijks = np.asarray(np.nonzero(volume), dtype=np.float)
cube = make_prism((0., 0., 0.), (1., 1., 1.))
faces, normals = [], []
for ijk in ijks.T:
faces.extend([(face.T + ijk).T for face in cube])
faces = sorted(faces, key=iso_face_depth, reverse=True)
normals = map(face_normal, faces)
faces_flat = np.concatenate(faces, 1)
faces_flat_h = np.vstack((faces_flat, np.ones(faces_flat.shape[1])))
uvs_flat = np.dot(self.M, faces_flat_h).T
colors = np.outer(np.dot(normals, self.light_angle), self.base_color)
for face_ix in range(0, faces_flat.shape[1], 4):
uvs = uvs_flat[face_ix:face_ix + 4]
color = colors[face_ix // 4]
gizeh.polyline(uvs,
stroke=self.stroke_color,
stroke_width=self.stroke_width,
close_path=True,
fill=color).draw(surf)
if as_html:
return surf.get_html_embed_code()
return surf.get_npimage()
def __init__(self, width = 720, height = 480):
self.surface = gizeh.Surface(width=width, height=height)
bg = gizeh.rectangle(lx = width,
ly = height,
xy=(width//2,height//2),
fill=(1,1,1))
bg.draw(self.surface)
def make_frame(t):
# See example: https://zulko.github.io/moviepy/getting_started/videoclips.html#videoclip
surface = gizeh.Surface(128, 128)
radius = 100 * (1 + (t * (2 - t))**2) / 6
circle = gizeh.circle(radius, xy=(64, 64), fill=(1, 0, 0))
circle.draw(surface)
return surface.get_npimage()
def make_frame(t):
progress = t / duration
p = interval_progresses(progress, 2, 'hermite')
center = (width / 2, height / 2)
# star
surface = gz.Surface(2 * width, 2 * height)
n_lines = 24
length = 30 + 5 * (p[0] - p[1])
C = get_circle_coordinates(n_lines, length, center)
rotate_around(C, -2 * np.pi * progress / n_lines, center)
for i in range(n_lines):
gz.polyline(points=[center, C[i, :]], stroke=(1, 1, 1),
stroke_width=2).draw(surface)
# FFT
I = np.fft.fft2(surface.get_npimage()[:, :, 0] / 255)
I = np.abs(I).astype(np.float32)
I -= 1
I = 1 - np.minimum(1, np.maximum(0, I))
I = resize(I, (width, height))
# border
radius = 300
I *= get_circle_mask(width, height, radius)
I = np.tile(I[:, :, np.newaxis], (1, 1, 4)) * 255
surface = gz.Surface.from_image(I.astype(np.uint8))
gz.circle(xy=(width / 2, height / 2),
r=radius,
stroke=(1, 1, 1),
stroke_width=3).draw(surface)
return surface.get_npimage()
def draw_wavy_lines(size: int,
palette: 'models.Palette',
count: int = 7,
frequency: int = 6) -> gizeh.Surface:
""" Draws series of wavy vertical lines.
:param size: Width and height of resulting surface.
:param palette: The color palette to source colors from.
:param count: Number of lines.
:param frequency: Frequency of waves per line.
:returns: Resulting surface.
"""
colors = palette.monochromatic(2)
surface = gizeh.Surface(width=size, height=size)
for idx in range(count + 1):
color = colors[idx % len(colors)]
points = [
(
# Px
((
((p + p // (frequency + 2)) % 2) / 2 \
+ idx + (p // (frequency + 2))
) - 1) * (size / (count - 1)) \
+ (-1 + (p // (frequency + 2)) * 2),
# Py
(jsin(p, frequency + 2) - 1) * (size / (frequency - 1))
)
for p in range((frequency + 2) * 2)
]
line = gizeh.polyline(points=points, fill=color)
line.draw(surface)
return surface
def make_frame(t):
dt = 1.0 * DURATION / 2 / NDISKS_PER_CYCLE # delay between disks
N = int(NDISKS_PER_CYCLE / SPEED) # total number of disks
t0 = 1.0 / SPEED # indicates at which avancement to start
surface = gz.Surface(W, H)
for i in range(1, N):
a = (np.pi / NDISKS_PER_CYCLE) * (N - i - 1)
r = np.maximum(0, .05 * (t + t0 - dt * (N - i - 1)))
center = W * (0.5 + gz.polar2cart(r, a))
color = 3 * ((1.0 * i / NDISKS_PER_CYCLE) % 1.0, )
circle = gz.circle(r=0.3 * W,
xy=center,
fill=color,
stroke_width=0.01 * W)
circle.draw(surface)
contour1 = gz.circle(r=.65 * W, xy=[W / 2, W / 2], stroke_width=.5 * W)
contour2 = gz.circle(r=.42 * W,
xy=[W / 2, W / 2],
stroke_width=.02 * W,
stroke=(1, 1, 1))
contour1.draw(surface)
contour2.draw(surface)
return surface.get_npimage()
def create_frame(t):
img = gizeh.Surface(videobreite,videohoehe,bg_color=(hgfarbe_r,hgfarbe_g,hgfarbe_b))
text_img = gizeh.text(text, fontfamily=schrift, fontsize=textgroesse,
fill=(textfarbe_r,textfarbe_g,textfarbe_b),
xy=(t*(videobreite/2)/videolaenge,videohoehe/2), angle=winkel)
text_img.draw(img)
return img.get_npimage()
def make_frame(t):
surface = gz.Surface(width=1920, height=1080)
line = gz.polyline(points=[(200, max(180, 180 + 100 * t)),
(100, max(180, 180 + 100 * t))],
stroke_width=25,
stroke=(1, 0, 0))
line.draw(surface)
return surface.get_npimage(transparent=True)
def create_frame(t):
img = gizeh.Surface(videobreite,videohoehe,bg_color=(hgfarbe_r,hgfarbe_g,hgfarbe_b))
text_img = gizeh.text(text, fontfamily=schrift, fontsize=textgroesse,
fill=(textfarbe_r,textfarbe_g,textfarbe_b),
xy=(videobreite/2,videohoehe-t*(videohoehe/2)/videolaenge))
text_rotation = text_img.rotate(t*(2*3.1415/videolaenge), center=[videobreite/2,videohoehe-t*(videohoehe/2)/videolaenge])
text_rotation.draw(img)
return img.get_npimage()
