def clip_draw_diamond(vertex, circle, xL, xR, yT, yB) -> None:
"""实验特供型金刚石裁剪及绘制函数
:param vertex: 金刚石顶点表
:param circle: 金刚石同心圆表
:param xL: 左框线
:param xR: 右框线
:param yT: 上框线
:param yB: 下框线
:return: 无返回值 -> 实验特供裁剪及绘制金刚石
"""
turtle.speed(0) # 设置笔头移动速度->0->最快
turtle.ht() # 隐藏海龟,提高绘制速度
turtle.setheading(90) # 海龟朝北
nums = len(vertex)
# 绘制同心圆裁剪情况
for i in range(nums):
circle[i][2] = clip_circle_rectangle_special(xL, xR, yT, yB)
x = circle[i][0][0]
y = circle[i][0][1]
r = circle[i][1]
extent = circle[i][2]
draw_circle(x, y, r, extent, 'green')
# 绘制金刚石线段裁剪情况
for i in range(nums):
for j in range(i + 1, nums):
line_segment = sutherland_cohen([vertex[i], vertex[j]], xL, yT, xR,
yB)
if line_segment:
line_to(line_segment[0], line_segment[1], 'green')
def diamond_draw_no_interrupt(vertex, radius, nums) -> None:
"""金刚石绘制函数(不间断->即一笔画)
PS : 这里的一笔绘指的仅仅是金刚石的线段部分,不包括同心圆(同心圆都不想交怎么一笔绘嘛)
此外,线段一笔绘要求圆周等分数为奇数
PS : 不写了23333
:param vertex: 顶点表
:param radius: 外圆半径 : 用于绘制同心圆,因此这里又把这个参数拿过来了
:param nums: 外圆等分数 : 其实可以使用vertex的大小,但是不想多计算一步,直接拿来用
:return: 无返回值 -> 绘制金刚石图案
"""
turtle.speed(0)
# 绘制同心圆
for i in range(0, nums):
draw_circle(0, 0, (i + 1) * (radius / nums))
turtle.speed(1)
# 一笔绘线段
# 定义并初始化相邻点数据结构
next_point = list()
print("\n啊这", list(range(nums - 1)))
for i in range(nums - 1):
print(i, end=" ")
next_point.append([])
print(i)
next_point[i] = list(range(i, nums))
# 绘制
for j in range(nums):
for i in range(nums - j - 1):
line_to(vertex[i], vertex[next_point[i][0]])
next_point[i].pop(0)
def diamond_draw_abandoned(radius, nums):
"""金刚石绘制函数
PS : 最后一个金刚石图形参数是用来表示整个金刚石图案的信息的,实验四里的裁剪会用上
:param radius: 外圆半径
:param nums: 外圆等分数
:return: diamond -> 金刚石图形参数
"""
turtle.bgcolor("black") # 还原示例图片中的黑色底色
turtle.speed(0) # 设置笔头移动速度->0->最快
turtle.ht() # 隐藏海龟,提高绘制速度
x_list = []
y_list = []
circle = list()
line = dict()
table_line_point = dict()
for i in range(0, nums):
# 将圆周上的等分点都加到列表里
x_list.append(radius * math.cos(2 * math.pi / nums * i))
y_list.append(radius * math.sin(2 * math.pi / nums * i))
# 绘制同心圆(注意绘制起点是圆周底点) 并加入到圆组参数中
circle.append([[0, 0], (i + 1) * (radius / nums), 360])
draw_circle(0, 0, (i + 1) * (radius / nums))
for i in range(0, nums):
line[i] = list()
table_line_point[i] = [x_list[i], y_list[i]]
for j in range(i + 1, nums):
line[i].append([x_list[j], y_list[j]])
line_to(x_list[i], y_list[i], x_list[j], y_list[j])
return [circle, line, table_line_point]
def diamond_draw(vertex, radius, nums) -> None:
"""金刚石绘制函数
:param vertex: 顶点表
:param radius: 外圆半径 : 用于绘制同心圆,因此这里又把这个参数拿过来了
:param nums: 外圆等分数 : 其实可以使用vertex的大小,但是不想多计算一步,直接拿来用
:return: 无返回值 -> 绘制金刚石图案
"""
for i in range(0, nums):
draw_circle(0, 0, (i + 1) * (radius / nums))
for i in range(0, nums):
for j in range(i + 1, nums):
line_to(vertex[i], vertex[j])
def polaris_draw(x_lst, y_lst) -> None:
"""
version-1.0-绘制一颗北极星[彩边][含内线]
给定了各顶点坐标(毕竟绘制北极星并不是本次实验的重点)
"""
# 颜色RGB:橙蓝粉绿
color_lst = [(249, 134, 105), (71, 177, 249), (249, 49, 249),
(94, 249, 94)]
# turtle色彩模式切换为RGB模式
turtle.colormode(255)
# 绘制北极星内线
for i in [0, 2, 4, 6]:
line_to([x_lst[i], y_lst[i]], [x_lst[i + 8], y_lst[i + 8]],
color_lst[i // 2])
for i in [1, 3, 5, 7]:
point_color_dict = {1: 0, 3: 2, 5: 2, 7: 0}
line_to([x_lst[i], y_lst[i]], [x_lst[i + 8], y_lst[i + 8]],
color_lst[point_color_dict[i]])
# 绘制北极星轮廓
# 轮廓点色对应表
point_color_dict = {
0: 0,
1: 1,
2: 1,
3: 2,
4: 2,
5: 3,
6: 3,
7: 0,
8: 0,
9: 1,
10: 1,
11: 2,
12: 2,
13: 3,
14: 3,
15: 0
}
turtle.penup() # 画笔抬起 -- 移动时不画线
turtle.goto(x_lst[0], y_lst[0]) # 将笔尖移动到(x,y)
turtle.pendown()
for i in range(x_lst.__len__() - 1):
turtle.color(color_lst[point_color_dict[i]])
turtle.goto(x_lst[i + 1], y_lst[i + 1])
turtle.color(color_lst[0])
turtle.goto(x_lst[0], y_lst[0])
def draw_graphic_2D_circle_line(circle: list, line: dict,
table_line_point: dict):
"""绘制由圆形和线段组成的二维图形
PS : 这又是一个实验例程特化的函数; 规定所有圆的圆心在(0,0); 所有圆形的起绘点都在圆的右点从而需要海龟朝北
:param circle: 圆组 -> [圆心, 半径, 弧度], ...
:param line: 线段组 -> { 1 : [点, 点, ...] , ... }
:param table_line_point: 线段组 -> { 1 : 点 , ... }
"""
turtle.speed(0) # 设置笔头移动速度->0->最快
turtle.ht() # 隐藏海龟,提高绘制速度
turtle.setheading(90) # 海龟朝北
for i in range(len(circle)):
draw_circle(circle[i][0][0], circle[i][0][1], circle[i][1],
circle[i][2])
for i in line:
for j in range(len(line[i])):
line_to(table_line_point[i][0], table_line_point[i][1],
line[i][j][0], line[i][j][1])
def magic_triangle_draw():
"""魔术三角形绘制
"""
a = [50, -50 / math.sqrt(3)]
b = [-150, -50 / math.sqrt(3)]
c = [50, 200 * math.sqrt(3) - 50 / math.sqrt(3)]
d = [-50, 200 * math.sqrt(3) - 50 / math.sqrt(3)]
e = [-300, -50 / math.sqrt(3) - 50 * math.sqrt(3)]
f = [100, -50 / math.sqrt(3) - 50 * math.sqrt(3)]
vertex = [a, b, c, d, e, f]
turtle.begin_fill()
for i in range(vertex.__len__() - 1):
line_to(vertex[i], vertex[i + 1], "pink")
line_to(vertex[-1], vertex[0], "pink")
turtle.end_fill()
for i in range(vertex.__len__()):
vertex[i] = rotate_point(vertex[i], 120)
turtle.begin_fill()
for i in range(vertex.__len__() - 1):
line_to(vertex[i], vertex[i + 1], "red")
line_to(vertex[-1], vertex[0], "red")
turtle.end_fill()
for i in range(vertex.__len__()):
vertex[i] = rotate_point(vertex[i], 120)
turtle.begin_fill()
for i in range(vertex.__len__() - 1):
line_to(vertex[i], vertex[i + 1], "yellow")
line_to(vertex[-1], vertex[0], "yellow")
turtle.end_fill()