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sort.py
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from manimlib.imports import *
from manim_tuan import *
"""
TODO
0: 从二分查找(binaryInsertSort)开始, 整体采用了伪面向对象(OOP)模式, 望早日(重写时)建立真正的面向对象模型
1: shellSort 先指针变换,再变换数字
"""
# straightSort
# binaryInsertSort
# shellSort
# bubbleSort
# partition
# quickSort
# straightSelectSort
# siftDown
# heapSort
# merge
# mergeSort
straightSort_codes = [
"int pos, j;",
"Type tmp;",
"for (pos = 1; pos < size; pos++)",
"{",
" tmp = R[pos];",
" for (j = pos - 1; tmp < R[j] && j >= 0; j--)",
" R[j + 1] = R[j];",
" R[j + 1] = tmp;",
"}",
]
binaryInsertSort_codes = [
"int pos, j, low, high, mid;",
"Type tmp;",
"for (pos = 1; pos < size; pos++)",
"{",
" tmp = R[pos];",
" low = 0;",
" high = pos - 1;",
" while (low <= high)",
" {",
" mid = (low + high) / 2;",
" if (tmp < R[mid])",
" high = mid - 1;",
" else",
" low = mid + 1;",
" }",
" for (j = pos - 1; j >= low; j--)",
" R[j + 1] = R[j];",
" R[low] = tmp;",
"}",
]
shellSort_codes = [
"int gap, pos, j;",
"Type tmp;",
"for (gap = size / 2; gap > 0; gap /= 2)",
"{",
" for (pos = gap; pos < size; pos++)",
" {",
" tmp = R[pos];",
" for (j = pos - gap; j >= 0 && R[j] > tmp; j -= gap)",
" R[j + gap] = R[j];",
" R[j + gap] = tmp;",
" }",
"}",
]
bubbleSort_codes = [
"int i, j;",
"bool flag = true;",
"for (int i = 1; i < size && size && flag; ++i)",
"{",
" flag = false;",
" for (j = 0; j < size - i; ++j) {",
" if (R[j + 1] < R[j]) {",
" swap(R[j], R[j + 1]);",
" flag = true;",
" }",
" }",
"}",
]
partition_codes = [
"Type tmp = S[low];",
"while (low != high)",
"{",
" while (low < high && S[high] >= tmp)",
" high--;",
" if (low < high)",
" {",
" S[low] = S[high];",
" low++;",
" }",
" while (low < high && S[low] <= tmp)",
" low++;",
" if (low < high)",
" {",
" S[high] = S[low];",
" high--;",
" }",
"}",
"S[low] = tmp;",
"return low;",
]
quickSort_codes = [
"void quickSort(Type S[], int low, int high) {",
" int pivot;",
" if (low >= high)",
" return;",
" pivot = partition(S, low, high);",
" quickSort(S, low, pivot - 1);",
" quickSort(S, pivot + 1, high);",
"}",
]
quickSort_vice_codes = [
"quickSort(S, 0, size - 1);",
]
straightSelectSort_codes = [
"int pos, min, j;",
"for (pos = 0; pos < size - 1; pos++)",
"{",
" min = pos;",
" for (j = pos + 1; j < size; ++j)",
" if (R[j] < R[min])",
" min = j;",
" if (pos != min)",
" swap(R[pos], R[min]);",
"}",
]
siftDown_codes = [
"void siftDown (Type R[], int pos, int size) {", " int child;",
" Type tmp = R[pos];", " for (; pos * 2 + 1 < size; pos = child)",
" {", " child = pos * 2 + 1;",
" if (child != size - 1 && R[child + 1] > R[child])",
" child++;", " if (R[child] > tmp)",
" R[pos] = R[child];", " else", " break;", " }",
" R[pos] = tmp;", "}"
]
heapSort_codes = [
"void heapSort(Type R[],int size) {",
" int i;",
" for (i = size / 2 - 1; i >= 0; i--)",
" siftDown(R, i, size);",
" for (i = size - 1; i > 0; i--)",
" {",
" swap(R[0], R[i]);",
" siftDown(R, 0, i);",
" }",
"}",
]
merge_codes = [
"void merge(Type R[], Type tmp[], int low, int mid, int high) {",
" int i = low, j = mid, k = 0;",
" while (i < mid && j <= high)",
" if (R[i] < R[j])",
" tmp[k++] = R[i++];",
" else",
" tmp[k++] = R[j++];",
" while (i < mid)",
" tmp[k++] = R[i++];",
" while (j <= high)",
" tmp[k++] = R[j++];",
" for (k = 0, i = low; i <= high;)",
" R[i++] = tmp[k++];",
"}",
]
mergeSort_codes = [
"void mergeSort(Type R[], Type tmp[], int low, int high) {",
" if (low == high)",
" return;",
" int mid = (low + high) / 2;",
" mergeSort(R, tmp, low, mid);",
" mergeSort(R, tmp, mid + 1, high);",
" merge(R, tmp, low, mid + 1, high);",
"}",
]
mergeSort_vice_codes = [
"Type *tmp = new Type[size];",
"mergeSort(R, tmp, 0, size - 1);",
"delete[] tmp;",
]
class Scene_White(Scene):
CONFIG = {
"camera_config": {
"background_color": WHITE,
"use_plot_depth": True,
}
}
class straightSort(Scene_White):
def construct(self):
# global
# Frame 整体框架
# height: 8 * width: 14.2
frame_animation = Rectangle(
color="#ffa400",
stroke_width=5,
stroke_opacity=0,
fill_color=WHITE,
fill_opacity=1,
height=4.5,
width=11.2,
).to_corner(UL, buff=0)
frame_tmp = Rectangle(
color=GREEN,
stroke_opacity=0,
height=4.5,
width=3,
).to_corner(UR, buff=0)
frame_code = Rectangle(
color=BLUE,
stroke_opacity=0,
height=3.5,
width=7.1 + 1,
).to_corner(DL, buff=0)
frame_variable = Rectangle(
color=RED,
stroke_opacity=0,
height=3.5,
width=7.1 - 1,
).to_corner(DR, buff=0)
self.add(frame_animation, frame_code, frame_variable)
# --------------- 动画框架 ---------------
# 标题
title = (Text("直接插入排序", font="思源宋体 Heavy",
color=BLACK).scale(0.8).to_corner(UP).shift(UP * 0.25))
self.add(title)
# 基准长方形
rectangle_base = MyRectangle(fill_color=BLUE,
color=BLUE,
height=2.5,
width=0.8,
fill_opacity=1,
opacity=1,
stroke_opacity=1)
# 存储待排序的长方块
rec_base = VGroup()
# 存储每个长方块的高度
rec_height = []
for i in range(8):
highest = 2.5
shortest = 0.5
gap = (highest - shortest) / 7
rec_height_element = shortest + gap * i
rec_height.append(rec_height_element)
# 打乱长方块的顺序
chaos = [5, 1, 2, 7, 0, 6, 3, 4] # 自定义顺序
rec_height_chaos = []
for i in range(8):
rec_height_chaos.append(rec_height[chaos[i]])
for i in range(8):
rectangle_order = rectangle_base.copy()
rectangle_order.set_height(rec_height_chaos[i], stretch=True)
rec_base.add(rectangle_order.copy())
rec_base.arrange(RIGHT, aligned_edge=DOWN, buff=0.5)
rec_base.move_to(frame_animation).shift(UP * 0.2)
# 各方块下标
rec_subscript = VGroup()
for i in range(8):
subscript = (Text(str(i), font="思源宋体 Heavy",
color=BLACK).scale(0.4).next_to(rec_base[i],
DOWN,
buff=0.1))
rec_subscript.add(subscript)
# 额外的 -1 下标
extra_subscript = (Text(str(-1), font="思源宋体 Heavy",
color=BLACK).scale(0.4).move_to(
rec_subscript[0]).shift(LEFT * 0.6))
# 各方块坐标
rec_coordinate = VGroup()
for i in range(8):
coordinate = (Text(str(chaos[i]), font="江西拙楷",
color=BLACK).scale(0.7).move_to(rec_base[i]))
# coordinate.add_updater(lambda a: a.move_to(rec_base[i]))
rec_coordinate.add(coordinate)
# 映射表
rec_map = {
0: rec_base[0],
1: rec_base[1],
2: rec_base[2],
3: rec_base[3],
4: rec_base[4],
5: rec_base[5],
6: rec_base[6],
7: rec_base[7]
}
num_map = {
0: rec_coordinate[0],
1: rec_coordinate[1],
2: rec_coordinate[2],
3: rec_coordinate[3],
4: rec_coordinate[4],
5: rec_coordinate[5],
6: rec_coordinate[6],
7: rec_coordinate[7]
}
self.add(rec_base, rec_subscript, rec_coordinate)
# self.add(extra_subscript)
# 代码背景框
background = RoundedRectangle(
stroke_width=1,
stroke_color=GRAY,
fill_color="#EBEBEB",
fill_opacity=0.95,
plot_depth=-1,
corner_radius=0.05,
sheen_factor=0.1,
sheen_direction=UR,
)
background.set_height(3, stretch=True).set_width(7.5, stretch=True)
background.move_to(frame_code)
# 代码 + 移动框
class codeline_straightSort(Text):
CONFIG = {
"size": 0.5,
"color": BLACK,
"font": "Consolas",
}
def __init__(self, text, **kwargs):
Text.__init__(self, text, **kwargs)
def ignore_space_len(code, num):
origin_len = len(code)
begin = origin_len - 1
record = 0
temp_codes = straightSort_codes
for index in range(begin, 0, -1):
if temp_codes[num][index] == " " and record == 1:
return (origin_len - index - 2) * 0.15
elif temp_codes[num][index] == " " and record == 0:
record = 1
elif temp_codes[num][index] != " ":
record = 0
return origin_len * 0.15
codes_straightSort = (VGroup(
*[codeline_straightSort(code)
for code in straightSort_codes]).arrange(
DOWN, aligned_edge=LEFT,
buff=0.05).next_to(background.get_top(), DOWN,
buff=0).shift(RIGHT * 0.1 + DOWN * 0.25))
# 代码框
move_frame = RoundedRectangle(
stroke_width=2.5,
stroke_color=BLUE,
corner_radius=0.05,
)
# 代码框左边的小三角
arrow = Triangle(stroke_opacity=0, fill_opacity=1,
fill_color=RED).rotate(90 * DEGREES, axis=IN)
arrow.scale(0.1)
# 保存小三角和代码框的相对位置不变
arrow.add_updater(lambda a: a.next_to(move_frame, LEFT, buff=0.1))
# 一键添加代码背景 and 代码
self.add(background, codes_straightSort)
# self.add(arrow, move_frame)
move_frame.set_width(
ignore_space_len(codes_straightSort[0], 0),
stretch=True).set_height(0.28, stretch=True).move_to(
codes_straightSort[0]).align_to(codes_straightSort[0],
RIGHT).shift(RIGHT * 0.05)
# 箭头
vec_j = (Arrow(np.array([0, -1, 0]),
np.array([0, 1, 0]),
color=BLACK,
buff=0.3,
fill_color=BLACK).scale(0.35))
vec_pos = vec_j.copy()
vec_j.next_to(rec_base[0], DOWN, buff=0.35)
vec_pos.next_to(rec_base[1], DOWN, buff=0.35)
vec_j_variables = (Text("j", font="思源宋体 Heavy",
color=BLACK).scale(0.6))
vec_pos_variables = (Text("pos", font="思源宋体 Heavy",
color=BLACK).scale(0.6).next_to(vec_pos,
DOWN,
buff=0.15))
vec_j_variables.add_updater(lambda a: a.next_to(vec_j, DOWN, buff=0.1))
vec_pos_variables.add_updater(
lambda a: a.next_to(vec_pos, DOWN, buff=0.1))
vec_j_all = VGroup(vec_j, vec_j_variables)
vec_pos_all = VGroup(vec_pos, vec_pos_variables)
# self.add(vec_j_all, vec_pos_all)
# 变量框
t2c = {
"j": "#01cd74",
"Size": BLUE,
"R[j]": GOLD,
"pos": PURPLE,
}
variable_rectangle = Rectangle(
color="#003472", height=3, width=5,
stroke_opacity=1).move_to(frame_variable)
variable_Size = (Text("Size: 8",
font="思源宋体 Heavy",
color=BLACK,
t2c=t2c).scale(1).next_to(
variable_rectangle.get_top(), DOWN,
buff=0.7).align_to(variable_rectangle,
LEFT).shift(RIGHT * 0.4))
variable_Rj = (Text("R[j]:", font="思源宋体 Heavy", color=BLACK,
t2c=t2c).scale(1).next_to(
variable_rectangle.get_top(), DOWN,
buff=0.7).align_to(variable_rectangle,
RIGHT).shift(LEFT * 1))
variable_pos = (Text(
"pos:", font="思源宋体 Heavy", color=BLACK,
t2c=t2c).scale(1).next_to(variable_rectangle.get_bottom(),
UP,
buff=0.7).align_to(variable_Size, LEFT))
variable_j = (Text(
"j:", font="思源宋体 Heavy", color=BLACK,
t2c=t2c).scale(1).next_to(variable_rectangle.get_bottom(),
UP,
buff=0.7).align_to(variable_Rj, LEFT))
RJ_num = (Text(str(5), font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_Rj,
RIGHT,
buff=0.3))
pos_num = (Text(str(1), font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_pos,
RIGHT,
buff=0.3))
j_num = (Text(str(0), font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_j,
RIGHT,
buff=0.3))
all_num = VGroup(RJ_num, pos_num, j_num)
self.add(variable_rectangle, variable_Size, variable_Rj, variable_pos,
variable_j)
# tmp 框
tmp_rectangle = RoundedRectangle(
stroke_width=8,
stroke_color=GREEN_B,
fill_color="#EBEBEB",
fill_opacity=0,
plot_depth=-1,
corner_radius=0.05,
sheen_factor=0.1,
sheen_direction=UR,
)
tmp_rectangle.set_height(4, stretch=True).set_width(2, stretch=True)
tmp_rectangle.move_to(frame_tmp)
tmp_variables = (Text("Tmp", font="思源宋体 Heavy", color=BLACK,
t2c=t2c).scale(1).next_to(
tmp_rectangle.get_bottom(), UP, buff=0.2))
self.add(tmp_rectangle, tmp_variables)
"""
int pos, j;
Type tmp;
for (pos = 1; pos < size; pos++)
{
tmp = R[pos];
for (j = pos - 1; tmp < R[j] && j >= 0; j--)
R[j + 1] = R[j];
R[j + 1] = tmp;
}
"""
# 直接插入排序
# """
rec_base_position = rec_base.copy() # 记录每个长方块的位置
j_pos = 0 # j_pos 相当于 j
self.play(ShowCreation(move_frame), Write(arrow))
self.wait(0.5)
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[1], 1),
move_frame.move_to,
codes_straightSort[1],
move_frame.align_to,
codes_straightSort[1],
RIGHT,
move_frame.shift,
RIGHT * 0.05,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait(0.5)
for pos in range(1, 8):
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[2], 2),
move_frame.move_to,
codes_straightSort[2],
move_frame.align_to,
codes_straightSort[2],
RIGHT,
move_frame.shift,
RIGHT * 0.15,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait()
if pos == 1:
vec_pos_all.next_to(rec_base[pos], DOWN, buff=0.4)
self.play(FadeInFrom(vec_pos_all, DOWN), FadeIn(all_num[1]))
else:
pos_num_tmp = (Text(str(pos), font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_pos,
RIGHT,
buff=0.3))
self.play(vec_pos_all.shift, RIGHT * 1.3,
Transform(all_num[1], pos_num_tmp))
self.wait()
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[4], 4),
move_frame.move_to,
codes_straightSort[4],
move_frame.align_to,
codes_straightSort[4],
RIGHT,
move_frame.shift,
RIGHT * 0.05,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait()
tmp = rec_height_chaos[pos]
# del rec_map[pos] num_map[pos]
self.play(FadeOut(rec_base[pos]), FadeOut(rec_coordinate[pos]))
rec_base[pos].move_to(frame_tmp)
rec_coordinate[pos].move_to(frame_tmp)
self.play(FadeIn(rec_base[pos]), FadeIn(rec_coordinate[pos]))
self.wait()
for j in range(pos - 1, -1, -1):
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[5], 5),
move_frame.move_to,
codes_straightSort[5],
move_frame.align_to,
codes_straightSort[5],
RIGHT,
move_frame.shift,
RIGHT * 0.15,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait()
Rj_num_tmp = (Text(num_map[j].text,
font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_Rj,
RIGHT,
buff=0.3))
j_num_tmp = (Text(str(j), font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_j,
RIGHT,
buff=0.3))
if j == pos - 1:
vec_j_all.move_to(vec_pos_all).align_to(
vec_pos_all, UP).shift(LEFT * 1.3)
if j == 0:
self.play(FadeInFrom(vec_j_all, RIGHT),
FadeIn(all_num[0]), FadeIn(all_num[2]))
elif j_pos == 0:
self.play(FadeInFrom(vec_j_all, RIGHT),
Transform(all_num[0], Rj_num_tmp),
Transform(all_num[2], j_num_tmp))
else:
self.play(FadeInFrom(vec_j_all, RIGHT),
Transform(all_num[0], Rj_num_tmp),
Transform(all_num[2], j_num_tmp))
else:
self.play(vec_j_all.shift, LEFT * 1.3,
Transform(all_num[0], Rj_num_tmp),
Transform(all_num[2], j_num_tmp))
self.wait()
# rec_height_chaos 相当于 R
j_pos = j
if tmp < rec_height_chaos[j]:
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[6], 6),
move_frame.move_to,
codes_straightSort[6],
move_frame.align_to,
codes_straightSort[6],
RIGHT,
move_frame.shift,
RIGHT * 0.05,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait()
rec_height_chaos[j + 1] = rec_height_chaos[j]
self.play(rec_map[j].move_to, rec_base_position[j + 1],
rec_map[j].align_to, rec_base_position[j + 1],
DOWN, num_map[j].shift, RIGHT * 1.3)
# del rec_map[j] num_map[pos]
rec_map[j + 1] = rec_map[j]
num_map[j + 1] = num_map[j]
self.wait(0.5)
else:
j_pos += 1
break
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[5], 5),
move_frame.move_to,
codes_straightSort[5],
move_frame.align_to,
codes_straightSort[5],
RIGHT,
move_frame.shift,
RIGHT * 0.15,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait()
if j_pos != 0:
pass
else:
Rj_num_tmp = (Text(num_map[j_pos].text,
font="思源宋体 Heavy",
color=WHITE).scale(1).next_to(variable_Rj,
RIGHT,
buff=0.3))
j_num_tmp = (Text(str(-1), font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_j,
RIGHT,
buff=0.3))
self.play(vec_j_all.shift, LEFT * 0.6, FadeIn(extra_subscript),
Transform(all_num[0], Rj_num_tmp),
Transform(all_num[2], j_num_tmp))
self.wait()
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[7], 7),
move_frame.move_to,
codes_straightSort[7],
move_frame.align_to,
codes_straightSort[7],
RIGHT,
move_frame.shift,
RIGHT * 0.05,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait()
rec_height_chaos[j_pos] = tmp
rec_map[j_pos] = rec_base[pos]
num_map[j_pos] = rec_coordinate[pos]
self.play(FadeOut(rec_base[pos]), FadeOut(rec_coordinate[pos]))
rec_base[pos].move_to(rec_base_position[j_pos])
rec_base[pos].align_to(rec_base_position[j_pos], DOWN)
rec_coordinate[pos].move_to(rec_map[j_pos])
self.play(FadeIn(rec_base[pos]), FadeIn(rec_coordinate[pos]))
self.wait()
if j_pos != 0:
self.play(FadeOut(vec_j_all))
else:
self.play(FadeOut(vec_j_all), FadeOut(extra_subscript))
self.wait()
self.play(
move_frame.set_width,
ignore_space_len(codes_straightSort[2], 2),
move_frame.move_to,
codes_straightSort[2],
move_frame.align_to,
codes_straightSort[2],
RIGHT,
move_frame.shift,
RIGHT * 0.15,
move_frame.set_height,
{
"height": 0.28,
"stretch": True
},
run_time=1.5,
)
self.wait()
pos_num_tmp = (Text(str(8), font="思源宋体 Heavy",
color=BLACK).scale(1).next_to(variable_pos,
RIGHT,
buff=0.3))
self.play(FadeOutAndShift(vec_pos_all, RIGHT),
Transform(all_num[1], pos_num_tmp))
self.wait()
# """
class binaryInsertSort(Scene_White):
def construct(self):
# global
# Frame 整体框架
# height: 8 * width: 14.2
frame_animation = Rectangle(
color="#ffa400",
stroke_width=5,
stroke_opacity=1,
fill_color=WHITE,
fill_opacity=1,
height=4.5,
width=11.2,
).to_corner(UL, buff=0)
frame_tmp = Rectangle(
color=GREEN,
stroke_opacity=1,
height=4.5,
width=3,
).to_corner(UR, buff=0)
frame_code = Rectangle(
color=BLUE,
stroke_opacity=1,
height=3.5,
width=7.1 + 2.5,
).to_corner(DL, buff=0)
frame_variable = Rectangle(
color=RED,
stroke_opacity=1,
height=3.5,
width=7.1 - 2.5,
).to_corner(DR, buff=0)
self.add(frame_animation, frame_code, frame_variable)
# --------------- 动画框架 ---------------
# 标题
title = (Text("折半插入排序", font="思源宋体 Heavy",
color=BLACK).scale(0.8).to_corner(UP).shift(UP * 0.25))
self.add(title)
# 基准长方形
rectangle_base = MyRectangle(fill_color=BLUE,
color=BLUE,
height=2.5,
width=0.8,
fill_opacity=1,
opacity=1,
stroke_opacity=1)
# 存储待排序的长方块
rec_base = VGroup()
# 存储每个长方块的高度
rec_height = []
for i in range(8):
highest = 2.5
shortest = 0.5
gap = (highest - shortest) / 7
rec_height_element = shortest + gap * i
rec_height.append(rec_height_element)
# 打乱长方块的顺序
chaos = [5, 1, 2, 7, 0, 6, 3, 4] # 自定义顺序
rec_height_chaos = []
for i in range(8):
rec_height_chaos.append(rec_height[chaos[i]])
for i in range(8):
rectangle_order = rectangle_base.copy()
rectangle_order.set_height(rec_height_chaos[i], stretch=True)
rec_base.add(rectangle_order.copy())
rec_base.arrange(RIGHT, aligned_edge=DOWN, buff=0.5)
rec_base.move_to(frame_animation).shift(UP * 0.2)
# 各方块下标
rec_subscript = VGroup()
for i in range(8):
subscript = (Text(str(i), font="思源宋体 Heavy",
color=BLACK).scale(0.4).next_to(rec_base[i],
DOWN,
buff=0.1))
rec_subscript.add(subscript)
# 额外的 -1 下标
extra_subscript = (Text(str(-1), font="思源宋体 Heavy",
color=BLACK).scale(0.4).move_to(
rec_subscript[0]).shift(LEFT * 0.6))
# 各方块坐标
rec_coordinate = VGroup()
for i in range(8):
coordinate = (Text(str(chaos[i]), font="江西拙楷",
color=BLACK).scale(0.7).move_to(rec_base[i]))
# coordinate.add_updater(lambda a: a.move_to(rec_base[i]))
rec_coordinate.add(coordinate)
# 映射表
rec_map = {
0: rec_base[0],
1: rec_base[1],
2: rec_base[2],
3: rec_base[3],
4: rec_base[4],
5: rec_base[5],
6: rec_base[6],
7: rec_base[7]
}
num_map = {
0: rec_coordinate[0],
1: rec_coordinate[1],
2: rec_coordinate[2],
3: rec_coordinate[3],
4: rec_coordinate[4],
5: rec_coordinate[5],
6: rec_coordinate[6],
7: rec_coordinate[7]
}
self.add(rec_base, rec_subscript, rec_coordinate)
# self.add(extra_subscript)
# 代码背景框
background = RoundedRectangle(
stroke_width=1,
stroke_color=GRAY,
fill_color="#EBEBEB",
fill_opacity=0.95,
plot_depth=-1,
corner_radius=0.05,
sheen_factor=0.1,
sheen_direction=UR,
)
background.set_height(3, stretch=True).set_width(9.2, stretch=True)
background.move_to(frame_code)
# 代码中间线
middle_line = DashedLine(np.array([0, 0, 0]),
np.array([0, 3, 0]),
color=BLACK,
stroke_width=1.0).move_to(frame_code)
# 代码 + 移动框
class codeline_binaryInsertSort(Text):
CONFIG = {
"size": 0.45,
"color": BLACK,
"font": "Consolas",
}
def __init__(self, text, **kwargs):
Text.__init__(self, text, **kwargs)
def ignore_space_len(code, num):
origin_len = len(code)
begin = origin_len - 1
record = 0
temp_codes = binaryInsertSort_codes
for index in range(begin, 0, -1):
if temp_codes[num][index] == " " and record == 1:
return (origin_len - index - 2) * 0.125
elif temp_codes[num][index] == " " and record == 0:
record = 1
elif temp_codes[num][index] != " ":
record = 0
return origin_len * 0.125
codes_binaryInsertSort_left = (VGroup(*[
codeline_binaryInsertSort(code)
for code in binaryInsertSort_codes[:11]
]).arrange(DOWN, aligned_edge=LEFT,
buff=0.05).next_to(background.get_top(), DOWN,
buff=0).shift(LEFT * 2.25 + DOWN * 0.15))
codes_binaryInsertSort_right = (VGroup(*[
codeline_binaryInsertSort(code)
for code in binaryInsertSort_codes[11:]
]).arrange(DOWN, aligned_edge=LEFT, buff=0.05).next_to(
background.get_top(), DOWN,
buff=0).shift(RIGHT * 2.25 + DOWN * 0.15))
codes_binaryInsertSort = VGroup(codes_binaryInsertSort_left,
codes_binaryInsertSort_right)
# 代码框
move_frame = RoundedRectangle(
stroke_width=2.5,
stroke_color=BLUE,
corner_radius=0.05,
)
# 代码框左边的小三角
arrow = Triangle(stroke_opacity=0, fill_opacity=1,
fill_color=RED).rotate(90 * DEGREES, axis=IN)
arrow.scale(0.1)
# 保存小三角和代码框的相对位置不变
arrow.add_updater(lambda a: a.next_to(move_frame, LEFT, buff=0.1))
# 一键添加代码背景 and 代码
self.add(background, middle_line, codes_binaryInsertSort)
# self.add(arrow, move_frame)
move_frame.set_width(ignore_space_len(codes_binaryInsertSort[0][0], 0),
stretch=True).set_height(
0.28, stretch=True).move_to(
codes_binaryInsertSort[0][0]).align_to(
codes_binaryInsertSort[0][0],
RIGHT).shift(RIGHT * 0.05)
arrow.next_to(move_frame, LEFT, buff=0.1)
# 箭头
vec_j = (Arrow(np.array([0, -1, 0]),
np.array([0, 1, 0]),
color=BLACK,
buff=0.3,
fill_color=BLACK).scale(0.35))
vec_pos = vec_j.copy()
vec_high = vec_j.copy()
vec_low = vec_j.copy()
vec_mid = vec_j.copy()
vec_j.next_to(rec_base[0], DOWN, buff=0.35)
vec_pos.next_to(rec_base[1], DOWN, buff=0.35)
vec_high.next_to(rec_base[2], DOWN, buff=0.35)
vec_low.next_to(rec_base[3], DOWN, buff=0.35)
vec_mid.next_to(rec_base[4], DOWN, buff=0.35)
vec_j_variables = (Text("j", font="思源宋体 Heavy",
color=BLACK).scale(0.6))
vec_pos_variables = (Text("pos", font="思源宋体 Heavy",
color=BLACK).scale(0.6).next_to(vec_pos,
DOWN,
buff=0.15))
vec_high_variables = (Text("high", font="思源宋体 Heavy",
color=BLACK).scale(0.6).next_to(vec_high,
DOWN,
buff=0.15))
vec_low_variables = (Text("low", font="思源宋体 Heavy",
color=BLACK).scale(0.6).next_to(vec_low,
DOWN,
buff=0.15))
vec_mid_variables = (Text("mid", font="思源宋体 Heavy",
color=BLACK).scale(0.6).next_to(vec_mid,
DOWN,
buff=0.15))
vec_j_variables.add_updater(lambda a: a.next_to(vec_j, DOWN, buff=0.1))
vec_pos_variables.add_updater(
lambda a: a.next_to(vec_pos, DOWN, buff=0.1))
vec_high_variables.add_updater(
lambda a: a.next_to(vec_high, DOWN, buff=0.05))
vec_low_variables.add_updater(
lambda a: a.next_to(vec_low, DOWN, buff=0.05))
vec_mid_variables.add_updater(
lambda a: a.next_to(vec_mid, DOWN, buff=0.05))
vec_j_all = VGroup(vec_j, vec_j_variables)
vec_pos_all = VGroup(vec_pos, vec_pos_variables)
vec_high_all = VGroup(vec_high, vec_high_variables)
vec_low_all = VGroup(vec_low, vec_low_variables)
vec_mid_all = VGroup(vec_mid, vec_mid_variables)
# self.add(vec_j_all, vec_pos_all, vec_high_all, vec_low_all, vec_mid_all)
# 变量框
t2c = {
"j": "#01cd74",
"mid": GREEN,
"Size": BLUE,
"R[mid]": GOLD,
"pos": PURPLE,
"high": RED,
"low": "#da1884",
}
variable_rectangle = Rectangle(
color="#003472", height=3, width=4,
stroke_opacity=1).move_to(frame_variable)
variable_Size = (Text("Size: 8",
font="思源宋体 Heavy",
color=BLACK,
t2c=t2c).scale(0.8).next_to(
variable_rectangle.get_top(), DOWN,
buff=0.2).align_to(variable_rectangle,
LEFT).shift(RIGHT * 0.25))
variable_high = (Text("high:", font="思源宋体 Heavy", color=BLACK,
t2c=t2c).scale(0.8).next_to(variable_Size,
DOWN,