例:用中点Bresenham算法画圆心为(0,0) ,半径R=12的八分之一-圆弧
时间: 2023-05-12 20:06:57 浏览: 61
以下是用中点Bresenham算法画圆心为(0,0) ,半径R=12的八分之一-圆弧的代码:
```python
def draw_circle(xc, yc, x, y):
# 画八个对称点
plot(xc+x, yc+y)
plot(xc-x, yc+y)
plot(xc+x, yc-y)
plot(xc-x, yc-y)
plot(xc+y, yc+x)
plot(xc-y, yc+x)
plot(xc+y, yc-x)
plot(xc-y, yc-x)
def midpoint_circle(xc, yc, r):
x, y = 0, r
p = 1 - r
draw_circle(xc, yc, x, y)
while x < y:
x += 1
if p < 0:
p += 2 * x + 1
else:
y -= 1
p += 2 * (x - y) + 1
draw_circle(xc, yc, x, y)
```
关于中文加密,可以使用一些加密算法,比如AES、DES等。具体实现可以参考相关的加密库或者算法实现。
相关问题
用中点Bresenham算法画圆心为(0,0) ,半径R= 12的八分之- -圆弧
非常感谢您的提问!以下是使用中点Bresenham算法画圆心为(0,0) ,半径R= 12的八分之- -圆弧的代码:
```python
def draw_circle_arc(radius):
x = 0
y = radius
d = 3 - 2 * radius
while x <= y:
# 画八分之一圆弧
plot_points(x, y)
if d < 0:
d = d + 4 * x + 6
else:
d = d + 4 * (x - y) + 10
y -= 1
x += 1
def plot_points(x, y):
# 画八个点
print("({}, {})".format(x, y))
print("({}, {})".format(y, x))
print("({}, {})".format(-x, y))
print("({}, {})".format(-y, x))
print("({}, {})".format(-x, -y))
print("({}, {})".format(-y, -x))
print("({}, {})".format(x, -y))
print("({}, {})".format(y, -x))
draw_circle_arc(12)
```
希望这个代码能够帮助到您!
用中点Bresenham算法画圆心为(0,0) ,半径R= 12的八分之一圆弧
以下是使用中点Bresenham算法画圆心为(0,0) ,半径R= 12的八分之一圆弧的代码:
```python
def draw_circle_arc(xc, yc, r, start_angle, end_angle):
x = 0
y = r
d = 3 - 2 * r
while x <= y:
if start_angle <= 45 and end_angle >= 0:
plot(xc + x, yc + y)
if start_angle <= 90 and end_angle >= 45:
plot(xc + y, yc + x)
if start_angle <= 135 and end_angle >= 90:
plot(xc + y, yc - x)
if start_angle <= 180 and end_angle >= 135:
plot(xc + x, yc - y)
if start_angle <= 225 and end_angle >= 180:
plot(xc - x, yc - y)
if start_angle <= 270 and end_angle >= 225:
plot(xc - y, yc - x)
if start_angle <= 315 and end_angle >= 270:
plot(xc - y, yc + x)
if start_angle <= 360 and end_angle >= 315:
plot(xc - x, yc + y)
if d < 0:
d = d + 4 * x + 6
else:
d = d + 4 * (x - y) + 10
y = y - 1
x = x + 1
```
其中,xc和yc表示圆心的坐标,r表示半径,start_angle和end_angle表示圆弧的起始角度和结束角度,plot(x, y)表示在坐标(x, y)处绘制一个点。