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Refactored tex_utils, and made TexMobject proper objects

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This commit is contained in:
Grant Sanderson
2015-10-28 17:18:50 -07:00
parent 468d05d049
commit e97a8708a5
24 changed files with 598 additions and 587 deletions
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28
old_projects/pythagorean_proof.py
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@ -47,7 +47,7 @@ class Triangle(Polygon):
return self
def add_letter(self, char, nudge = 0.3):
mob = tex_mobject(char).scale(TEX_MOB_SCALE_VAL)
mob = TexMobject(char).scale(TEX_MOB_SCALE_VAL)
if char == "a":
points = self.get_vertices()[[0, 2, 1]]
elif char == "b":
@ -89,7 +89,7 @@ def c_square(**kwargs):
class DrawPointsReference(Scene):
def construct(self):
for point, count in zip(POINTS, it.count()):
mob = tex_mobject(str(count)).scale(TEX_MOB_SCALE_VAL)
mob = TexMobject(str(count)).scale(TEX_MOB_SCALE_VAL)
mob.shift(POINTS[count])
self.add(mob)
@ -104,7 +104,7 @@ class DrawAllThreeSquares(Scene):
c = c_square()
self.add(Triangle(), a, b, c)
for letter, mob in zip("abc", [a, b, c]):
char_mob = tex_mobject(letter+"^2").scale(TEX_MOB_SCALE_VAL)
char_mob = TexMobject(letter+"^2").scale(TEX_MOB_SCALE_VAL)
char_mob.shift(mob.get_center())
self.add(char_mob)
@ -230,13 +230,13 @@ class ShowBigRectangleDimensions(DrawAllThreeSquaresWithMoreTriangles):
args_list = [(10, False)]
def construct(self, num, fill):
DrawAllThreeSquaresWithMoreTriangles.construct(self, num, fill)
u_brace = underbrace((-3, -2, 0), (4, -2, 0))
side_brace = underbrace((-3, -3, 0), (2, -3, 0))
u_brace = Underbrace((-3, -2, 0), (4, -2, 0))
side_brace = Underbrace((-3, -3, 0), (2, -3, 0))
for brace in u_brace, side_brace:
brace.shift(0.2*DOWN)
side_brace.rotate(-np.pi/2)
a_plus_2b = tex_mobject("a+2b").scale(TEX_MOB_SCALE_VAL)
b_plus_2a = tex_mobject("b+2a").scale(TEX_MOB_SCALE_VAL)
a_plus_2b = TexMobject("a+2b").scale(TEX_MOB_SCALE_VAL)
b_plus_2a = TexMobject("b+2a").scale(TEX_MOB_SCALE_VAL)
a_plus_2b.next_to(u_brace, DOWN)
b_plus_2a.next_to(side_brace, LEFT)
self.add_local_mobjects()
@ -263,7 +263,7 @@ class DrawOnlyABSquares(Scene):
a = a_square()
b = b_square()
for char, mob in zip("ab", [a, b]):
symobl = tex_mobject(char+"^2").scale(TEX_MOB_SCALE_VAL)
symobl = TexMobject(char+"^2").scale(TEX_MOB_SCALE_VAL)
symobl.shift(mob.get_center())
self.add(symobl)
triangle = Triangle()
@ -394,8 +394,8 @@ class ZoomInOnTroublePoint(Scene):
for mob in self.mobjects:
mob.rotate(np.pi/2)
if with_labels:
alpha = tex_mobject("\\alpha").scale(TEX_MOB_SCALE_VAL)
beta = tex_mobject("90-\\alpha").scale(TEX_MOB_SCALE_VAL)
alpha = TexMobject("\\alpha").scale(TEX_MOB_SCALE_VAL)
beta = TexMobject("90-\\alpha").scale(TEX_MOB_SCALE_VAL)
if rotate:
alpha.next_to(angle1_arc, UP+0.1*LEFT)
beta.next_to(angle2_arc, DOWN+0.5*LEFT)
@ -427,8 +427,8 @@ class DrawTriangleWithAngles(Scene):
angle2_arc = Circle(radius = 0.2, **kwargs).filter_out(
lambda (x, y, z) : not(x < 0 and y > 0 and y < -3*x)
).shift(vertices[2])
alpha = tex_mobject("\\alpha")
beta = tex_mobject("90-\\alpha")
alpha = TexMobject("\\alpha")
beta = TexMobject("90-\\alpha")
alpha.shift(vertices[1]+3*RIGHT+DOWN)
beta.shift(vertices[2]+3*RIGHT+UP)
arrow1 = Arrow(alpha, angle1_arc)
@ -442,11 +442,11 @@ class LabelLargeSquare(DrawCSquareWithAllTraingles):
def construct(self):
DrawCSquareWithAllTraingles.construct(self)
everything = CompoundMobject(*self.mobjects)
u_brace = underbrace(2*(DOWN+LEFT), 2*(DOWN+RIGHT))
u_brace = Underbrace(2*(DOWN+LEFT), 2*(DOWN+RIGHT))
u_brace.shift(0.2*DOWN)
side_brace = deepcopy(u_brace).rotate(np.pi/2)
upper_brace = deepcopy(u_brace).rotate(np.pi)
a_plus_b = tex_mobject("a+b").scale(TEX_MOB_SCALE_VAL)
a_plus_b = TexMobject("a+b").scale(TEX_MOB_SCALE_VAL)
upper_brace.add(a_plus_b.next_to(upper_brace, UP))
side_brace.add(a_plus_b.next_to(side_brace, RIGHT))
self.add(upper_brace, side_brace)