mirror of
https://github.com/3b1b/manim.git
synced 2025-08-02 19:46:21 +08:00
Finally changed to
This commit is contained in:
Grant Sanderson
@ -39,9 +39,9 @@ class OpeningQuote(Scene):
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author.next_to(words, DOWN, buff = 0.5)
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self.play(FadeIn(words))
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self.dither(2)
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self.wait(2)
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self.play(Write(author, run_time = 3))
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self.dither()
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self.wait()
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class MatrixToBlank(Scene):
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def construct(self):
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@ -51,20 +51,20 @@ class MatrixToBlank(Scene):
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arrow.next_to(matrix, RIGHT)
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matrix.add(arrow)
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self.play(Write(matrix))
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self.dither()
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self.wait()
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class ExampleTransformation(LinearTransformationScene):
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def construct(self):
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self.setup()
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self.apply_transposed_matrix([[3, 0], [1, 2]])
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self.dither(2)
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self.wait(2)
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class RecapTime(TeacherStudentsScene):
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def construct(self):
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self.setup()
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self.teacher_says("Quick recap time!")
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self.random_blink()
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self.dither()
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self.wait()
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student = self.get_students()[0]
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everyone = self.get_mobjects()
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everyone.remove(student)
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@ -74,13 +74,13 @@ class RecapTime(TeacherStudentsScene):
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ApplyMethod(student.change_mode, "confused")
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)
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self.play(Blink(student))
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self.dither()
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self.wait()
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self.play(ApplyFunction(
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lambda m : m.change_mode("pondering").look(LEFT),
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student
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))
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self.play(Blink(student))
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self.dither()
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self.wait()
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class DeterminedByTwoBasisVectors(LinearTransformationScene):
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CONFIG = {
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@ -105,10 +105,10 @@ class DeterminedByTwoBasisVectors(LinearTransformationScene):
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matrix1[:,1] = [0, 1]
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matrix2 = np.dot(matrix, np.linalg.inv(matrix1))
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self.dither()
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self.wait()
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self.apply_transposed_matrix(matrix1.transpose())
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self.apply_transposed_matrix(matrix2.transpose())
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self.dither()
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self.wait()
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class FollowLinearCombination(LinearTransformationScene):
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def construct(self):
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@ -186,7 +186,7 @@ class FollowLinearCombination(LinearTransformationScene):
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ApplyMethod(mob.shift, scaled_i.get_end())
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for mob in scaled_j, scaled_j_label
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])
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self.dither()
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self.wait()
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self.play(*map(FadeOut, [
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scaled_i, scaled_j, scaled_i_label, scaled_j_label,
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]))
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@ -201,7 +201,7 @@ class FollowLinearCombination(LinearTransformationScene):
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background = BackgroundRectangle(mob)
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self.play(ShowCreation(background), Write(mob))
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self.dither()
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self.wait()
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x, y = vect_array.get_entries().split()
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pre_formula = VMobject(
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x, i_label, TexMobject("+"),
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@ -221,7 +221,7 @@ class FollowLinearCombination(LinearTransformationScene):
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Transform(pre_formula.copy(), post_formula, run_time = 2),
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ApplyMethod(vect.set_stroke, width = 7)
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])
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self.dither()
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self.wait()
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class MatrixVectorMultiplicationCopy(MatrixVectorMultiplicationAbstract):
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pass ## Here just for stage_animations.py purposes
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@ -243,7 +243,7 @@ class TwoSuccessiveTransformations(LinearTransformationScene):
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self.setup()
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self.apply_transposed_matrix([[2, 1],[1, 2]])
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self.apply_transposed_matrix([[-1, -0.5],[0, -0.5]])
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self.dither()
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self.wait()
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class RotationThenShear(LinearTransformationScene):
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CONFIG = {
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@ -270,7 +270,7 @@ class RotationThenShear(LinearTransformationScene):
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self.play(Write(shear_words, run_time = 1))
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self.add_foreground_mobject(shear_words)
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self.apply_transposed_matrix([[1, 0], [1, 1]])
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self.dither()
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self.wait()
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class IntroduceIdeaOfComposition(RotationThenShear):
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def construct(self):
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@ -301,7 +301,7 @@ class IntroduceIdeaOfComposition(RotationThenShear):
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Animation(self.i_hat),
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Animation(self.j_hat),
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)
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self.dither()
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self.wait()
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def track_basis_vectors(self):
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last_words = self.get_mobjects_from_last_animation()[1]
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@ -338,21 +338,21 @@ class IntroduceIdeaOfComposition(RotationThenShear):
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matrix_background = BackgroundRectangle(matrix)
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self.play(Write(words))
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self.dither()
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self.wait()
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self.play(ShowCreation(i_background), Write(i_coords), run_time = 2)
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self.dither()
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self.wait()
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self.play(
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Transform(i_background.copy(), matrix_background),
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Transform(i_coords.copy().get_brackets(), matrix.get_brackets()),
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ApplyMethod(i_coords.copy().get_entries().move_to, col1)
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)
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self.dither()
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self.wait()
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self.play(ShowCreation(j_background), Write(j_coords), run_time = 2)
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self.dither()
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self.wait()
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self.play(
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ApplyMethod(j_coords.copy().get_entries().move_to, col2)
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)
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self.dither()
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self.wait()
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matrix = VMobject(matrix_background, matrix)
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return matrix
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@ -365,7 +365,7 @@ class IntroduceIdeaOfComposition(RotationThenShear):
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new_matrix = matrix.copy()
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new_matrix.center().to_edge(UP)
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self.play(Transform(matrix, new_matrix))
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self.dither()
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self.wait()
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self.remove(matrix)
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self.setup()
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@ -383,7 +383,7 @@ class IntroduceIdeaOfComposition(RotationThenShear):
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Animation(matrix),
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run_time = 3
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)
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self.dither()
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self.wait()
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class PumpVectorThroughRotationThenShear(RotationThenShear):
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def construct(self):
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@ -391,7 +391,7 @@ class PumpVectorThroughRotationThenShear(RotationThenShear):
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self.add_vector([2, 3])
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self.apply_transposed_matrix([[0, 1], [-1, 0]], run_time = 2)
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self.apply_transposed_matrix([[1, 0], [1, 1]], run_time = 2)
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self.dither()
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self.wait()
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class ExplainWhyItsMatrixMultiplication(Scene):
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def construct(self):
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@ -441,7 +441,7 @@ class ExplainWhyItsMatrixMultiplication(Scene):
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]
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for group in groups:
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self.play(*map(Write, group))
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self.dither()
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self.wait()
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self.play(*map(FadeOut, [l_paren, r_paren, vect, vect_copy]))
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comp_matrix.add(equals)
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matrices = VMobject(shear_matrix, rot_matrix, comp_matrix)
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@ -449,7 +449,7 @@ class ExplainWhyItsMatrixMultiplication(Scene):
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matrices.arrange_submobjects, buff = 0.1,
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aligned_edge = UP
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))
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self.dither()
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self.wait()
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arrow = Arrow(rot_matrix.get_right(), shear_matrix.get_left())
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arrow.shift((rot_matrix.get_top()[1]+0.2)*UP)
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@ -461,9 +461,9 @@ class ExplainWhyItsMatrixMultiplication(Scene):
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self.play(ShowCreation(arrow))
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self.play(Write(words))
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self.dither()
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self.wait()
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self.play(Write(functions))
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self.dither()
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self.wait()
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class MoreComplicatedExampleVisually(LinearTransformationScene):
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CONFIG = {
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@ -481,31 +481,31 @@ class MoreComplicatedExampleVisually(LinearTransformationScene):
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self.play(Write(m1_mob))
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self.add_foreground_mobject(m1_mob)
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self.dither()
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self.wait()
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self.apply_transposed_matrix(t_matrix1)
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self.dither()
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self.wait()
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self.play(Write(m1_mob.label))
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self.add_foreground_mobject(m1_mob.label)
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self.dither()
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self.wait()
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self.apply_transposed_matrix(t_m1_inv, run_time = 0)
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self.dither()
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self.wait()
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self.play(Write(m2_mob))
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self.add_foreground_mobject(m2_mob)
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self.dither()
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self.wait()
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self.apply_transposed_matrix(t_matrix2)
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self.dither()
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self.wait()
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self.play(Write(m2_mob.label))
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self.add_foreground_mobject(m2_mob.label)
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self.dither()
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self.wait()
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self.apply_transposed_matrix(t_m2_inv, run_time = 0)
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self.dither()
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self.wait()
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for matrix in t_matrix1, t_matrix2:
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self.apply_transposed_matrix(matrix, run_time = 1)
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self.play(Write(comp_matrix))
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self.add_foreground_mobject(comp_matrix)
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self.dither()
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self.wait()
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self.play(*map(FadeOut, [
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self.background_plane,
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self.plane,
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@ -515,7 +515,7 @@ class MoreComplicatedExampleVisually(LinearTransformationScene):
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Animation(m) for m in self.foreground_mobjects
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])
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self.remove(self.i_hat, self.j_hat)
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self.dither()
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self.wait()
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def get_matrices(self):
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m1_mob = Matrix(np.array(self.t_matrix1).transpose())
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@ -619,14 +619,14 @@ class MoreComplicatedExampleNumerically(MoreComplicatedExampleVisually):
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comp_col = VMobject(*comp_matrix.split()[1].get_mob_matrix()[:,i])
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self.play(Write(question, run_time = 1 ))
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self.dither()
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self.wait()
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self.play(
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Transform(question, first),
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ShowCreation(first_arrow),
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ShowCreation(col.circle),
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ApplyMethod(col.highlight, col.target_color)
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)
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self.dither()
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self.wait()
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self.play(
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Transform(m2_copy, m2_target, run_time = 2),
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ApplyMethod(col.copy().move_to, col_vect, run_time = 2),
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@ -634,18 +634,18 @@ class MoreComplicatedExampleNumerically(MoreComplicatedExampleVisually):
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Transform(first_arrow, second_arrow),
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Transform(question, second),
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)
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self.dither()
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self.wait()
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self.play(*map(FadeOut, [question, first_arrow]))
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self.play(Write(intermediate))
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self.dither()
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self.wait()
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self.play(Write(product))
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self.dither()
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self.wait()
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product_entries = product.get_entries()
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self.play(
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ApplyMethod(comp_col.highlight, BLACK),
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ApplyMethod(product_entries.move_to, comp_col)
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)
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self.dither()
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self.wait()
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start_state.append(product_entries)
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self.play(*[
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@ -655,7 +655,7 @@ class MoreComplicatedExampleNumerically(MoreComplicatedExampleVisually):
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] + [
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Animation(product_entries)
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])
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self.dither()
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self.wait()
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class GeneralMultiplication(MoreComplicatedExampleNumerically):
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def get_result(self):
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@ -697,7 +697,7 @@ class GeneralMultiplication(MoreComplicatedExampleNumerically):
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m2_entries, m2_entries_target,
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submobject_mode = "lagged_start"
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))
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self.dither()
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self.wait()
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new_comp = Matrix(self.get_result())
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new_comp.next_to(comp.split()[1].submobjects[-1], RIGHT)
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@ -712,7 +712,7 @@ class GeneralMultiplication(MoreComplicatedExampleNumerically):
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)
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]
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)
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self.dither()
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self.wait()
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self.play(FadeOut(words))
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return m1, m2, comp
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@ -726,9 +726,9 @@ class MoreComplicatedExampleWithJustIHat(MoreComplicatedExampleVisually):
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self.setup()
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self.add_vector(self.v_coords, self.v_color)
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self.apply_transposed_matrix(self.t_matrix1)
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self.dither()
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self.wait()
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self.apply_transposed_matrix(self.t_matrix2)
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self.dither()
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self.wait()
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class MoreComplicatedExampleWithJustJHat(MoreComplicatedExampleWithJustIHat):
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CONFIG = {
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@ -777,13 +777,13 @@ class AskAboutCommutativity(Scene):
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run_time = 2
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)
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self.play(Write(q_marks))
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self.dither()
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self.wait()
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self.play(Transform(
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VMobject(eq, q_marks),
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VMobject(neq),
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submobject_mode = "lagged_start"
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))
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self.dither()
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self.wait()
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class ShowShear(LinearTransformationScene):
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CONFIG = {
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@ -799,9 +799,9 @@ class ShowShear(LinearTransformationScene):
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title.add_background_rectangle()
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self.add_foreground_mobject(title)
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self.dither()
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self.wait()
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self.apply_transposed_matrix(self.t_matrix)
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self.dither()
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self.wait()
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class ShowRotation(ShowShear):
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CONFIG = {
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@ -836,11 +836,11 @@ class FirstShearThenRotation(LinearTransformationScene):
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self.apply_transposed_matrix(self.t_matrix1)
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self.apply_transposed_matrix(self.t_matrix2)
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self.i_hat.rotate(-0.01)##Laziness
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self.dither()
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self.wait()
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self.write_vector_coordinates(self.i_hat, color = X_COLOR)
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self.dither()
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self.wait()
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self.write_vector_coordinates(self.j_hat, color = Y_COLOR)
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self.dither()
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self.wait()
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class RotationThenShear(FirstShearThenRotation):
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CONFIG = {
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@ -869,7 +869,7 @@ class NoticeTheLackOfComputations(TeacherStudentsScene):
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for i, pi in enumerate(students)
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])
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self.random_blink()
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self.dither()
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self.wait()
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class AskAssociativityQuestion(Scene):
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def construct(self):
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@ -899,12 +899,12 @@ class AskAssociativityQuestion(Scene):
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self.add(morty, title)
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self.dither()
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self.wait()
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self.play(Blink(morty))
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self.play(Write(start))
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self.dither()
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self.wait()
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self.play(Transform(start, lhs))
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self.dither()
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self.wait()
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self.play(
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Transform(lhs, rhs, path_arc = -np.pi),
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Write(eq)
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@ -936,7 +936,7 @@ class AskAssociativityQuestion(Scene):
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))
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self.remove(*self.get_mobjects_from_last_animation())
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self.add(matrix)
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self.dither()
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self.wait()
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self.move_matrix_parentheses(morty, matrices)
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def move_matrix_parentheses(self, morty, matrices):
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@ -964,9 +964,9 @@ class AskAssociativityQuestion(Scene):
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self.play(morty.change_mode, "angry")
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for state in state2, state3:
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self.play(Transform(state1, state))
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self.dither()
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self.wait()
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self.play(morty.change_mode, "confused")
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self.dither()
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self.wait()
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class ThreeSuccessiveTransformations(LinearTransformationScene):
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CONFIG = {
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@ -1013,7 +1013,7 @@ class ThreeSuccessiveTransformations(LinearTransformationScene):
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)
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self.apply_transposed_matrix(t_matrix, run_time = 1)
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last = sym
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self.dither()
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self.wait()
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class ThreeSuccessiveTransformationsAltParens(ThreeSuccessiveTransformations):
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CONFIG = {
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@ -1048,7 +1048,7 @@ class ExplanationTrumpsProof(Scene):
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explanation.scale_in_place, 1.5,
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proof.scale_in_place, 0.7
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)
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self.dither()
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self.wait()
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class GoPlay(TeacherStudentsScene):
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def construct(self):
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@ -1070,7 +1070,7 @@ class GoPlay(TeacherStudentsScene):
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self.play(student.change_mode, "pondering")
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for x in range(3):
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self.random_blink()
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self.dither(2)
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self.wait(2)
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class NextVideo(Scene):
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def construct(self):
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@ -1085,7 +1085,7 @@ class NextVideo(Scene):
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self.add(title)
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self.play(ShowCreation(rect))
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self.dither()
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self.wait()
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Reference in New Issue
Block a user