def test_boundingbox(self):
sh = objects.Ellipse()
sh.position.value = [30, 40]
sh.size.value = [10, 20]
bb = sh.bounding_box()
c = bb.center()
self.assertEqual(bb.x1, 30 - 5)
self.assertEqual(bb.y1, 40 - 10)
self.assertEqual(bb.x2, 30 + 5)
self.assertEqual(bb.y2, 40 + 10)
self.assertEqual(c[0], 30)
self.assertEqual(c[1], 40)
def test_empty(self):
sh = objects.Ellipse()
self.assertDictEqual(
sh.to_dict(), {
"ty": "el",
"d": 0,
"p": {
"a": 0,
"k": [0, 0]
},
"s": {
"a": 0,
"k": [0, 0]
},
})
def test_circle(self):
lot = objects.Animation()
sl = lot.add_layer(objects.ShapeLayer())
ellipse = sl.add_shape(objects.Ellipse())
ellipse.position.value = NVector(256, 256)
ellipse.size.value = NVector(512, 512)
sl.add_shape(objects.Fill(Color(.25, .25, .25)))
sif = builder.to_sif(lot)
self.assertEqual(len(sif.layers), 1)
self.assertIsInstance(sif.layers[0], api.GroupLayer)
grp = sif.layers[0]
self.assertEqual(len(grp.layers), 1)
self.assertIsInstance(grp.layers[0], api.RegionLayer)
self.assertTrue(grp.active)
rgl = grp.layers[0]
self.assertEqual(len(rgl.bline.points), 4)
self.assert_nvector_equal(rgl.origin.value, ellipse.position.value)
self.assert_nvector_equal(rgl.color.value, sif.make_color(.25, .25, .25))
self.assertTrue(rgl.active)
self.assert_nvector_equal(rgl.bline.points[0].point.value, NVector(0, 256))
self.assert_nvector_equal(rgl.bline.points[1].point.value, NVector(-256, 0))
self.assert_nvector_equal(rgl.bline.points[2].point.value, NVector(0, -256))
self.assert_nvector_equal(rgl.bline.points[3].point.value, NVector(256, 0))
self.assertNotAlmostEqual(rgl.bline.points[0].t1.value.x, 0)
self.assertAlmostEqual(rgl.bline.points[0].t1.value.y, 0)
self.assertNotAlmostEqual(rgl.bline.points[1].t1.value.y, 0)
self.assertAlmostEqual(rgl.bline.points[1].t1.value.x, 0)
self.assertNotAlmostEqual(rgl.bline.points[2].t1.value.x, 0)
self.assertAlmostEqual(rgl.bline.points[2].t1.value.y, 0)
self.assertNotAlmostEqual(rgl.bline.points[3].t1.value.y, 0)
self.assertAlmostEqual(rgl.bline.points[3].t1.value.x, 0)
for i in range(4):
self.assert_nvector_equal(rgl.bline.points[i].t1.value, rgl.bline.points[i].t2.value)
def test_sized(self):
sh = objects.Ellipse()
sh.size.value = [10, 20]
sh.position.value = [30, 40]
sh.name = "foo"
self.assertDictEqual(
sh.to_dict(), {
"ty": "el",
"d": 0,
"p": {
"a": 0,
"k": [30, 40]
},
"s": {
"a": 0,
"k": [10, 20]
},
"nm": "foo",
})
def particle():
g = layer.add_shape(objects.Group())
b = g.add_shape(objects.Ellipse())
fill = objects.Fill()
g.add_shape(fill)
t = random.random()
if t < 1/2:
lf = t * 2
fill.color.add_keyframe(0, color1.lerp(color2, lf))
fill.color.add_keyframe(last_frame*t, color2)
fill.color.add_keyframe((1 - t) * last_frame, color3, easing.Jump())
fill.color.add_keyframe((1 - t) * last_frame+1, color1)
fill.color.add_keyframe(last_frame, color1.lerp(color2, lf))
else:
lf = (t-0.5) * 2
tf = (1-lf)/2
fill.color.add_keyframe(0, color2.lerp(color3, lf))
fill.color.add_keyframe(last_frame*tf, color3, easing.Jump())
fill.color.add_keyframe(last_frame*tf+1, color1)
fill.color.add_keyframe((.5 + tf) * last_frame, color2)
fill.color.add_keyframe(last_frame, color2.lerp(color3, lf))
fill.opacity.add_keyframe(0, opacity_start + (opacity_end - opacity_start) * t)
fill.opacity.add_keyframe((1 - t) * last_frame, opacity_end)
fill.opacity.add_keyframe((1 - t) * last_frame+1, opacity_start)
fill.opacity.add_keyframe(last_frame, opacity_start + (opacity_end - opacity_start) * t)
bezier = objects.Bezier()
outp = PolarVector(random.uniform(start_len_min, start_len_max), random.random() * math.pi)
inp = Point(0, random.random() * (particle_end.y - particle_start.y) / 3)
bezier.add_point(particle_start, outp=outp)
bezier.add_point(particle_end, outp)
b.size.value = particle_size
anutils.follow_path(b.position, bezier, 0, last_frame, 10, start_t=t)
import os
sys.path.insert(0, os.path.join(
os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
"lib"
))
from lottie.utils import script
from lottie import objects
from lottie import Point, Color
an = objects.Animation(59)
layer = objects.ShapeLayer()
an.add_layer(layer)
circle = layer.add_shape(objects.Ellipse())
circle.size.value = Point(100, 100)
circle.position.add_keyframe(0, Point(0, 256))
circle.position.add_keyframe(20, Point(256, 256))
circle.position.add_keyframe(40, Point(256, 0))
circle.position.add_keyframe(60, Point(0, 256))
fill = layer.add_shape(objects.Fill(Color(1, 1, 0)))
fill.opacity.add_keyframe(0, 100)
fill.opacity.add_keyframe(30, 10)
fill.opacity.add_keyframe(60, 100)
script.script_main(an)
sys.path.insert(
0,
os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
"lib"))
from lottie.utils import script
from lottie import objects
from lottie.utils import animation as anutils
from lottie import Size, Point3D, Point, Color
an = objects.Animation(120)
layer = objects.ShapeLayer()
an.add_layer(layer)
g = layer.add_shape(objects.Group())
b = g.add_shape(objects.Ellipse())
b.size.value = Size(256, 256)
b.position.value = Point(256, 256)
g.add_shape(objects.Fill(Color(1, 1, 0)))
g = layer.insert_shape(0, objects.Group())
eye1 = g.add_shape(objects.Ellipse())
eye1.size.value = Size(20, 20)
eye1.position.value = Point3D(256 - 50, 256 - 50, -100)
g.add_shape(objects.Fill(Color(0, 0, 0)))
g = layer.insert_shape(0, objects.Group())
eye2 = g.add_shape(objects.Ellipse())
eye2.size.value = Size(20, 20)
eye2.position.value = Point3D(256 + 50, 256 - 50, -100)
g.add_shape(objects.Fill(Color(0, 0, 0)))
an = objects.Animation(120)
layer = objects.ShapeLayer()
an.add_layer(layer)
# Build a sphere out of circles
balls = []
axes = [
Point(1, 0),
Point(0, 1),
]
for i in range(20):
a = i / 20 * math.pi * 2
for axis in axes:
g = layer.add_shape(objects.Group())
b = g.add_shape(objects.Ellipse())
b.size.value = Size(20, 20)
xz = axis * math.sin(a) * 128
pos = Point3D(256 + xz[0], 256 + math.cos(a) * 128, xz[1])
b.position.value = pos
balls.append(b)
g.add_shape(objects.Fill(Color(0, 1, 0)))
# Animate the circles using depth rotation
dr = anutils.DepthRotationDisplacer(Point3D(256, 256, 0), 0, 120, 10,
Point3D(0, 2, -1))
for b in balls:
dr.animate_point(b.position)
script.script_main(an)
sys.path.insert(
0,
os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
"lib"))
from lottie.utils import script
from lottie import objects
from lottie.utils.animation import follow_path
from lottie import Point, Color
an = objects.Animation(180)
layer = objects.ShapeLayer()
an.add_layer(layer)
group = layer.add_shape(objects.Group())
ball = group.add_shape(objects.Ellipse())
ball.size.value = Point(10, 10)
r1 = group.add_shape(objects.Rect())
r1.size.value = Point(50, 10)
r2 = group.add_shape(objects.Group())
r2.add_shape(objects.Rect()).size.value = Point(50, 10)
r2 = r2.transform
group.add_shape(objects.Fill(Color(0, 1, 0)))
group = layer.add_shape(objects.Group())
bez = group.add_shape(objects.Path())
bez.shape.value.add_point(Point(256, 128), Point(0, 0), Point(64, 64))
bez.shape.value.add_point(Point(256, 256), Point(-64, -64), Point(-64, 64))
sys.path.insert(
0,
os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
"lib"))
from lottie.utils import script
from lottie import objects
from lottie import Point, Color
an = objects.Animation(60)
layer = objects.ShapeLayer()
an.add_layer(layer)
shapes = layer.add_shape(objects.Group())
circle = shapes.add_shape(objects.Ellipse())
circle.size.add_keyframe(0, Point(100, 100))
circle.size.add_keyframe(30, Point(50, 120))
circle.size.add_keyframe(60, Point(100, 100))
circle.position.add_keyframe(0, Point(220, 110))
circle.position.add_keyframe(20, Point(180, 110))
circle.position.add_keyframe(40, Point(220, 110))
star = shapes.add_shape(objects.Star())
star.inner_radius.add_keyframe(0, 20)
star.inner_radius.add_keyframe(30, 50)
star.inner_radius.add_keyframe(60, 20)
star.outer_radius.value = 50
#star.inner_roundness.value = 100
#star.outer_roundness.value = 40
star.rotation.value = 45
sys.path.insert(0, os.path.join(
os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
"lib"
))
from lottie.utils import script
from lottie import objects
from lottie import Point, Color
an = objects.Animation(59)
layer = objects.ShapeLayer()
an.add_layer(layer)
g1 = layer.add_shape(objects.Group())
circle = g1.add_shape(objects.Ellipse())
circle.size.value = Point(100, 100)
circle.position.value = Point(200, 100)
g1.add_shape(objects.Fill(Color(1, 0, 0)))
g1.add_shape(objects.Stroke(Color(0, 0, 0), 5))
g2 = layer.add_shape(objects.Group())
star = g2.add_shape(objects.Star())
star.inner_radius.value = 20
star.outer_radius.value = 50
star.position.value = Point(300, 100)
g2.add_shape(objects.Fill(Color(0, 1, 0)))
g2.add_shape(objects.Stroke(Color(0, 0, 0), 5))
g3 = layer.add_shape(objects.Group())
rect = g3.add_shape(objects.Rect())
rot_time = 45
an = objects.Animation(rot_time*4)
layer = objects.ShapeLayer()
an.add_layer(layer)
def add_shape(shape, color, parent):
g = parent.add_shape(objects.Group())
s = g.add_shape(shape)
g.add_shape(objects.Fill(color))
return s
face1 = add_shape(objects.Ellipse(), Color(1, 1, 0), layer)
face2 = add_shape(objects.Ellipse(), Color(0, 1, 0), layer)
side = layer.add_shape(objects.Group())
side1 = add_shape(objects.Ellipse(), Color(1, 0, 0), side)
side2 = add_shape(objects.Ellipse(), Color(1, 0, 0), side)
sider = add_shape(objects.Rect(), Color(1, 0, 0), side)
width = 10
face1.size.add_keyframe(rot_time*0, Point(256, 256), easing.EaseIn())
face1.size.add_keyframe(rot_time*1, Point(0, 256))
face1.size.add_keyframe(rot_time*2, Point(0, 256))
face1.size.add_keyframe(rot_time*3, Point(0, 256), easing.EaseOut())
face1.size.add_keyframe(rot_time*4, Point(256, 256))
last_frame = 180
an = objects.Animation(last_frame)
layer = objects.ShapeLayer()
an.add_layer(layer)
layer.auto_orient = True
group = layer.add_shape(objects.Group())
star = objects.Star()
star.inner_radius.value = 20
star.outer_radius.value = 50
star.position.value = Point(0, 0)
group.add_shape(star)
group.add_shape(objects.Ellipse(NVector(0, 35), NVector(16, 16)))
layer.add_shape(objects.Fill(Color(1, 1, 0)))
tl = 120
layer.transform.position.add_keyframe(last_frame / 4 * 0,
Point(+50, 256),
out_tan=NVector(0, -tl),
in_tan=NVector(-tl, 0))
layer.transform.position.add_keyframe(last_frame / 4 * 1,
Point(256, +50),
out_tan=NVector(+tl, 0),
in_tan=NVector(0, -tl))
layer.transform.position.add_keyframe(last_frame / 4 * 2,
Point(462, 256),
out_tan=NVector(0, +tl),
