update lab1

.gitignore

@@ -21,3 +21,6 @@ venv/
 # OS generated files
 .DS_Store
 Thumbs.db
+
+# Other files
+controlpts.txt

lab1/README.md

@@ -10,6 +10,8 @@ I use `uv` to create a virtual environment for this project. You can synchronize
 uv sync
 ```
 
+`uv` is not the only option, you can run this program in any Python environment with the required dependencies installed. The main dependencies are listed in `pyproject.toml`.
+
 ## Run the Code
 To run the interactive Bezier curve editor, execute the following command in your terminal:
 
@@ -25,6 +27,7 @@ For example, to create a new Bezier curve with 5 control points, run:
 ```bash
 uv run ibezier.py 5
 ```
+
 To load control points from a file named `control_points.txt`, run:
 
 ```bash
@@ -33,4 +36,4 @@ uv run ibezier.py control_points.txt
 
 ## Statement of AI Usage
 
-I use Github Copilot's Auto Completion feature to help me write code and README faster. I ask Gemini to help me to debug GUI issues.
+I use `Github Copilot`'s Auto Completion feature to help me complete code lines and README faster. I ask `Gemini` to help me to debug GUI issues.

lab1/ibezier.py

@@ -21,7 +21,7 @@ def ibezier(inputA):
     global num_sample
     global curve_degree, is_subdivided # add for bezier
 
-    # Compute a point on the Bezier curve at parameter t using de Casteljau's algorithm.
+    # de Casteljau's algorithm.
     # points: list of tuples/lists [(x0,y0), (x1,y1), ...]
     # Returns: (x, y) coordinates on the curve
     def deCasteljau(points, t):