1 >>> v1 = Vector2d(3, 4) 2 >>> print(v1.x, v1.y) 3 3.0 4.0 4 >>> x, y = v1 5 >>> x, y 6 (3.0, 4.0) 7 >>> v1 8 Vector2d(3.0, 4.0) 9 >>> v2 = eval(repr(v1)) 10 >>> v1 == v2 11 True 12 >>> print(v1) 13 (3.0, 4.0) 14 >>> octets =...
pip install vector_drawing 1. 安装完成后,我们可以开始使用vector_drawing库来绘制图形。下面是一个简单的示例,演示了如何用vector_drawing库绘制一个简单的矩形: fromvector_drawingimport*frommatplotlibimportpyplotaspltdefdraw_rectangle():rectangle=[(0,0),(0,2),(3,2),(3,0)]draw2d(Points(*rectangle)...
你可以在源代码文件vector_drawing.py里找到这些函数。本章最后会对它们的具体实现进行说明。 注意 从本章开始,源代码目录下有对应的notebook来记录如何顺次运行所有代码,其中包括如何从vector_drawing模块导入所需的方法。如果你对此并不了解,可以参考附录A来配置Python和Jupyter。 使用这些绘图函数,可以把图2-5中表示...
type == QUIT: sys.exit() any_keys_pressed = p.key.get_pressed() movement_keys = Vector2(0, 0) #Vector2 imported from gameobjects #movement keys are diectional (arrow) keys if any_keys_pressed[K_LEFT]: movement_keys.x = –1 elif any_keys_pressed[K_RIGHT]: movement_keys.x = ...
使用python 的第三方绘图库 mayavi 绘制不同尺寸的球 “万恶”的 mayavi 库,琢磨了老半天,才弄清楚怎么根据球心坐标和半径绘制出一个球。 解决方案 mayavi 的 mlab 类似 matplotlib 的 pyplot, 其中points3d函数用来绘制一些三维空间的离散点,在
What tools and techniques can you use to build embeddings into a vector database? This week on the show, Calvin Hendryx-Parker is back to discuss developing an AI-powered, Large Language Model-driven chat interface. Play EpisodeEpisode 198: Build a Video Game With Python Turtle & Visualize ...
(self)| Called just before drawing a shape to be filled.|| No argument.|| Example (for a Turtle instance named turtle):| >>> turtle.color("black", "red")| >>> turtle.begin_fill()| >>> turtle.circle(60)| >>> turtle.end_fill()|| begin_poly(self)| Start recording the ...
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或者应用环境是否是python，看了一下，感觉pipy中似乎没有这个vector_drawing库。丫的我也搞半天，这...
# shorten direction vector to have length of 1 dir_vec = dir_vec / np.sqrt(dir_vec.dot(dir_vec)) # calculate new bubble position new_point = self.bubbles[i, :2] + dir_vec * self.step_dist new_bubble = np.append(new_point, self.bubbles[i, 2:4]) ...