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syntax.py
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from manim import *
class EnglishSyntaxTree(Scene):
def construct(self):
#####################################################
# Title of animation #
#####################################################
title = Text("Syntax: X-bar Theory")
self.add(title)
self.wait()
self.play(Unwrite(title))
self.wait()
#####################################################
# Animate writing of sentence #
#####################################################
sentence = Tex("Colorless", "green", "ideas", "sleep", "furiously", arg_separator=" ")
self.play(Write(sentence))
self.play(sentence.animate.shift(DOWN * 3.5))
#####################################################
# Animate tree root layer (S) #
#####################################################
brace_1S = Brace(sentence, UP)
label_1S = brace_1S.get_text("S")
label_1S.add_updater(lambda m: m.set(coord=label_1S.get_coord(2)))
self.play(
GrowFromCenter(brace_1S),
FadeIn(label_1S),
sentence.animate.set_color(color=TEAL_C)
)
self.wait(0.5)
self.play(
label_1S.animate.shift(UP),
ShrinkToCenter(brace_1S)
)
node_1S_dot = Dot(point=label_1S.get_center(), radius=DEFAULT_SMALL_DOT_RADIUS, color=BLACK).next_to(label_1S, DOWN, buff=SMALL_BUFF)
node_1S = VGroup(node_1S_dot, label_1S)
tree = Group(node_1S)
self.wait(0.25)
#####################################################
# Animate 2nd tree layer (NP, VP) #
#####################################################
np2 = Group(sentence[0], sentence[1], sentence[2])
vp2 = Group(sentence[3], sentence[4])
brace_2NP = Brace(np2, UP)
brace_2VP = Brace(vp2, UP)
label_2NP = brace_2NP.get_text("NP")
label_2VP = brace_2VP.get_text("VP")
label_2NP.add_updater(lambda m: m.set(coord=label_2NP.get_coord(2)))
label_2VP.add_updater(lambda m: m.set(coord=label_2VP.get_coord(2)))
self.play(
GrowFromCenter(brace_2NP),
GrowFromCenter(brace_2VP),
FadeIn(label_2NP),
FadeIn(label_2VP),
np2.animate.set_color(color=RED_C),
vp2.animate.set_color(color=BLUE_C),
)
self.wait(0.25)
self.play(
tree.animate.shift(UP),
label_2NP.animate.shift(UP),
label_2VP.animate.shift(UP),
ShrinkToCenter(brace_2NP),
ShrinkToCenter(brace_2VP)
)
node_2NP = Dot(point=label_2NP.get_center(), radius=0.35, color=BLACK)
node_2VP = Dot(point=label_2VP.get_center(), radius=0.35, color=BLACK)
node_2NP.add(label_2NP)
node_2VP.add(label_2VP)
line_1S_2NP = Line(node_1S_dot.get_center(), node_2NP.point_at_angle(90 * DEGREES))
line_1S_2VP = Line(node_1S_dot.get_center(), node_2VP.point_at_angle(90 * DEGREES))
line_1S_2NP.add_updater(lambda m: m.set(coord=line_1S_2NP.get_coord(2)))
line_1S_2VP.add_updater(lambda m: m.set(coord=line_1S_2VP.get_coord(2)))
tree.add(node_2NP, node_2VP, line_1S_2NP, line_1S_2VP)
self.play(
Create(line_1S_2NP),
Create(line_1S_2VP),
)
self.wait(0.25)
#####################################################
# Animate 3rd tree layer (N', V') #
#####################################################
np3 = np2
vp3 = vp2
brace_3NP = Brace(np3, UP)
brace_3VP = Brace(vp3, UP)
label_3NP = brace_3NP.get_text("N'")
label_3VP = brace_3VP.get_text("V'")
label_3NP.add_updater(lambda m: m.set(coord=label_3NP.get_coord(2)))
label_3VP.add_updater(lambda m: m.set(coord=label_3VP.get_coord(2)))
self.play(
GrowFromCenter(brace_3NP),
GrowFromCenter(brace_3VP),
FadeIn(label_3NP),
FadeIn(label_3VP),
)
self.wait(0.25)
self.play(
tree.animate.shift(UP),
label_3NP.animate.shift(UP),
label_3VP.animate.shift(UP),
ShrinkToCenter(brace_3NP),
ShrinkToCenter(brace_3VP),
)
node_3NP = Dot(point=label_3NP.get_center(), radius=0.35, color=BLACK)
node_3VP = Dot(point=label_3VP.get_center(), radius=0.35, color=BLACK)
node_3NP.add(label_3NP)
node_3VP.add(label_3VP)
line_2NP_3NP = Line(node_2NP.point_at_angle(270 * DEGREES), node_3NP.point_at_angle(90 * DEGREES))
line_2VP_3VP = Line(node_2VP.point_at_angle(270 * DEGREES), node_3VP.point_at_angle(90 * DEGREES))
line_2NP_3NP.add_updater(lambda m: m.set(coord=line_2NP_3NP.get_coord(2)))
line_2VP_3VP.add_updater(lambda m: m.set(coord=line_2VP_3VP.get_coord(2)))
tree.add(node_3NP, node_3VP, line_2NP_3NP, line_2VP_3VP)
self.play(
Create(line_2NP_3NP),
Create(line_2VP_3VP),
)
self.wait(0.25)
#####################################################
# Animate 4th tree layer (AdjP, N', V', AdvP) #
#####################################################
# Split N' to AdjP and N'
brace_4AdjP = Brace(sentence[0], UP)
brace_4NP = Brace(Group(sentence[1], sentence[2]), UP)
label_4AdjP = brace_4AdjP.get_text("AdjP")
label_4NP = brace_4NP.get_text("N'")
label_4AdjP.add_updater(lambda m: m.set(coord=label_4AdjP.get_coord(2)))
label_4NP.add_updater(lambda m: m.set(coord=label_4NP.get_coord(2)))
# Split V' to V' and AdvP
brace_4VP = Brace(sentence[3], UP)
brace_4AdvP = Brace(sentence[4], UP)
label_4VP = brace_4VP.get_text("V'")
label_4AdvP = brace_4AdvP.get_text("AdvP")
label_4VP.add_updater(lambda m: m.set(coords=label_4VP.get_coord(2)))
label_4AdvP.add_updater(lambda m: m.set(coords=label_4AdvP.get_coord(2)))
self.play(
# Left branch
GrowFromCenter(brace_4AdjP),
GrowFromCenter(brace_4NP),
FadeIn(label_4AdjP),
FadeIn(label_4NP),
sentence[0].animate.set_color(color=GOLD_C),
# Right branch
GrowFromCenter(brace_4VP),
GrowFromCenter(brace_4AdvP),
FadeIn(label_4VP),
FadeIn(label_4AdvP),
sentence[4].animate.set_color(color=PURPLE_C)
)
self.wait(0.25)
self.play(
tree.animate.shift(UP),
# Left branch
label_4AdjP.animate.shift(UP),
label_4NP.animate.shift(UP),
ShrinkToCenter(brace_4AdjP),
ShrinkToCenter(brace_4NP),
# Right branch
label_4VP.animate.shift(UP),
label_4AdvP.animate.shift(UP),
ShrinkToCenter(brace_4VP),
ShrinkToCenter(brace_4AdvP),
)
# Left branch
node_4AdjP = Dot(point=label_4AdjP.get_center(), radius=0.35, color=BLACK)
node_4NP = Dot(point=label_4NP.get_center(), radius=0.35, color=BLACK)
node_4AdjP.add(label_4AdjP)
node_4NP.add(label_4NP)
line_3NP_4AdjP = Line(node_3NP.point_at_angle(210 * DEGREES), node_4AdjP.point_at_angle(90 * DEGREES))
line_3NP_4NP = Line(node_3NP.point_at_angle(330 * DEGREES), node_4NP.point_at_angle(90 * DEGREES))
line_3NP_4AdjP.add_updater(lambda m: m.set(coord=line_3NP_4AdjP.get_coord(2)))
line_3NP_4NP.add_updater(lambda m: m.set(coord=line_3NP_4NP.get_coord(2)))
# Right branch
node_4VP = Dot(point=label_4VP.get_center(), radius=0.35, color=BLACK)
node_4AdvP = Dot(point=label_4AdvP.get_center(), radius=0.35, color=BLACK)
node_4VP.add(label_4VP)
node_4AdvP.add(label_4AdvP)
line_3VP_4VP = Line(node_3VP.point_at_angle(210 * DEGREES), node_4VP.point_at_angle(90 * DEGREES))
line_3VP_4AdvP = Line(node_3VP.point_at_angle(330 * DEGREES), node_4AdvP.point_at_angle(90 * DEGREES))
line_3VP_4VP.add_updater(lambda m: m.set(coord=line_3VP_4VP.get_coord(2)))
line_3VP_4AdvP.add_updater(lambda m: m.set(coord=line_3VP_4AdvP.get_coord(2)))
tree.add(
node_4AdjP, node_4NP, line_3NP_4AdjP, line_3NP_4NP,
node_4VP, node_4AdvP, line_3VP_4VP, line_3VP_4AdvP
)
self.play(
Create(line_3NP_4AdjP),
Create(line_3NP_4NP),
Create(line_3VP_4VP),
Create(line_3VP_4AdvP),
)
self.wait(0.25)
#####################################################
# Animate 5th tree layer (Adj', AdjP, N', V, Adv') #
#####################################################
brace_5AdjP = Brace(sentence[0], UP)
brace_5NP_AdjP = Brace(sentence[1], UP)
brace_5NP = Brace(sentence[2], UP)
brace_5V = Brace(sentence[3], UP)
brace_5AdvP = Brace(sentence[4], UP)
label_5AdjP = brace_5AdjP.get_text("Adj'")
label_5NP_AdjP = brace_5NP_AdjP.get_text("AdjP")
label_5NP = brace_5NP.get_text("N'")
label_5V = brace_5V.get_text("V")
label_5AdvP = brace_5AdvP.get_text("Adv'")
label_5AdjP.add_updater(lambda m: m.set(coord=label_5AdjP.get_coord(2)))
label_5NP_AdjP.add_updater(lambda m: m.set(coord=label_5NP_AdjP.get_coord(2)))
label_5NP.add_updater(lambda m: m.set(coord=label_5NP.get_coord(2)))
label_5V.add_updater(lambda m: m.set(coord=label_5V.get_coord(2)))
label_5AdvP.add_updater(lambda m: m.set(coord=label_5AdvP.get_coord(2)))
self.play(
GrowFromCenter(brace_5AdjP),
GrowFromCenter(brace_5NP_AdjP),
GrowFromCenter(brace_5NP),
GrowFromCenter(brace_5V),
GrowFromCenter(brace_5AdvP),
FadeIn(label_5AdjP),
FadeIn(label_5NP_AdjP),
FadeIn(label_5NP),
FadeIn(label_5V),
FadeIn(label_5AdvP),
sentence[1].animate.set_color(color=GREEN_C)
)
self.wait(0.25)
self.play(
tree.animate.shift(UP),
label_5AdjP.animate.shift(UP),
label_5NP_AdjP.animate.shift(UP),
label_5NP.animate.shift(UP),
label_5V.animate.shift(UP),
sentence[3].animate.shift(UP),
label_5AdvP.animate.shift(UP),
ShrinkToCenter(brace_5AdjP),
ShrinkToCenter(brace_5NP_AdjP),
ShrinkToCenter(brace_5NP),
brace_5V.animate.shift(UP),
ShrinkToCenter(brace_5AdvP),
)
node_5AdjP = Dot(point=label_5AdjP.get_center(), radius=0.35, color=BLACK)
node_5NP_AdjP = Dot(point=label_5NP_AdjP.get_center(), radius=0.35, color=BLACK)
node_5NP = Dot(point=label_5NP.get_center(), radius=0.35, color=BLACK)
node_5V = Dot(point=label_5V.get_center(), radius=0.35, color=BLACK)
node_5AdvP = Dot(point=label_5AdvP.get_center(), radius=0.35, color=BLACK)
node_5AdjP.add(label_5AdjP)
node_5NP_AdjP.add(label_5NP_AdjP)
node_5NP.add(label_5NP)
node_5V.add(label_5V)
node_5AdvP.add(label_5AdvP)
line_4AdjP_5AdjP = Line(node_4AdjP.point_at_angle(270 * DEGREES), node_5AdjP.point_at_angle(90 * DEGREES))
line_4NP_5NP_AdjP = Line(node_4NP.point_at_angle(210 * DEGREES), node_5NP_AdjP.point_at_angle(90 * DEGREES))
line_4NP_5NP = Line(node_4NP.point_at_angle(330 * DEGREES), node_5NP.point_at_angle(90 * DEGREES))
line_4VP_5V = Line(node_4VP.point_at_angle(270 * DEGREES), node_5V.point_at_angle(90 * DEGREES))
line_4AdvP_5AdvP = Line(node_4AdvP.point_at_angle(270 * DEGREES), node_5AdvP.point_at_angle(90 * DEGREES))
tree.add(
node_5AdjP, node_5NP_AdjP, node_5NP, node_5V, node_5AdvP, sentence[3], brace_5V,
line_4AdjP_5AdjP, line_4NP_5NP_AdjP, line_4NP_5NP, line_4VP_5V, line_4AdvP_5AdvP
)
self.play(
Create(line_4AdjP_5AdjP),
Create(line_4NP_5NP_AdjP),
Create(line_4NP_5NP),
Create(line_4VP_5V),
Create(line_4AdvP_5AdvP)
)
self.wait(0.25)
#####################################################
# Animate 6th tree layer (Adj, Adj', N, Adv) #
#####################################################
brace_6Adj = Brace(sentence[0], UP)
brace_6AdjP = Brace(sentence[1], UP)
brace_6N = Brace(sentence[2], UP)
brace_6Adv = Brace(sentence[4], UP)
label_6Adj = brace_6Adj.get_text("Adj")
label_6AdjP = brace_6AdjP.get_text("Adj'")
label_6N = brace_6N.get_text("N")
label_6Adv = brace_6Adv.get_text("Adv")
label_6Adj.add_updater(lambda m: m.set(coord=label_6Adj.get_coord(2)))
label_6AdjP.add_updater(lambda m: m.set(coord=label_6AdjP.get_coord(2)))
label_6N.add_updater(lambda m: m.set(coord=label_6N.get_coord(2)))
label_6Adv.add_updater(lambda m: m.set(coord=label_6Adv.get_coord(2)))
self.play(
GrowFromCenter(brace_6Adj),
GrowFromCenter(brace_6AdjP),
GrowFromCenter(brace_6N),
GrowFromCenter(brace_6Adv),
FadeIn(label_6Adj),
FadeIn(label_6AdjP),
FadeIn(label_6N),
FadeIn(label_6Adv)
)
self.wait(0.25)
self.play(
tree.animate.shift(UP),
label_6Adj.animate.shift(UP),
sentence[0].animate.shift(UP),
label_6AdjP.animate.shift(UP),
label_6N.animate.shift(UP),
sentence[2].animate.shift(UP),
label_6Adv.animate.shift(UP),
sentence[4].animate.shift(UP),
brace_6Adj.animate.shift(UP),
ShrinkToCenter(brace_6AdjP),
brace_6N.animate.shift(UP),
brace_6Adv.animate.shift(UP)
)
node_6Adj = Dot(point=label_6Adj.get_center(), radius=0.35, color=BLACK)
node_6AdjP = Dot(point=label_6AdjP.get_center(), radius=0.35, color=BLACK)
node_6N = Dot(point=label_6N.get_center(), radius=0.35, color=BLACK)
node_6Adv = Dot(point=label_6Adv.get_center(), radius=0.35, color=BLACK)
node_6Adj.add(label_6Adj)
node_6AdjP.add(label_6AdjP)
node_6N.add(label_6N)
node_6Adv.add(label_6Adv)
line_5AdjP_6Adj = Line(node_5AdjP.point_at_angle(270 * DEGREES), node_6Adj.point_at_angle(90 * DEGREES))
line_5NP_AdjP_6AdjP = Line(node_5NP_AdjP.point_at_angle(270 * DEGREES), node_6AdjP.point_at_angle(90 * DEGREES))
line_5NP_6N = Line(node_5NP.point_at_angle(270 * DEGREES), node_6N.point_at_angle(90 * DEGREES))
line_5AdvP_6Adv = Line(node_5AdvP.point_at_angle(270 * DEGREES), node_6Adv.point_at_angle(90 * DEGREES))
tree.add(
node_6Adj, node_6AdjP, node_6N, node_6Adv, sentence[0], sentence[2], sentence[4], brace_6Adj,
brace_6N, brace_6Adv, line_5AdjP_6Adj, line_5NP_AdjP_6AdjP, line_5NP_6N, line_5AdvP_6Adv
)
self.play(
Create(line_5AdjP_6Adj),
Create(line_5NP_AdjP_6AdjP),
Create(line_5NP_6N),
Create(line_5AdvP_6Adv)
)
self.wait(0.25)
#####################################################
# Animate 7th tree layer (Adj) #
#####################################################
brace_7Adj = Brace(sentence[1], UP)
label_7Adj = brace_7Adj.get_text("Adj")
self.play(
GrowFromCenter(brace_7Adj),
FadeIn(label_7Adj)
)
self.wait(0.25)
node_7Adj = Dot(point=label_7Adj.get_center(), radius=0.35, color=BLACK)
node_7Adj.add(label_7Adj)
line_6AdjP_7Adj = Line(node_6AdjP.point_at_angle(270 * DEGREES), node_7Adj.point_at_angle(90 * DEGREES))
tree.add(node_7Adj, line_6AdjP_7Adj, sentence[1], brace_7Adj)
self.play(Create(line_6AdjP_7Adj))
self.wait()