ctx.lineTo(points[i].x,points[i].y);
时间: 2024-06-04 15:12:37 浏览: 44
This line of code is used to draw a straight line from the current pen position to the specified point (points[i].x, points[i].y) in a canvas context (ctx).
The canvas context is an object that represents a canvas element on an HTML page. It provides methods and properties for drawing graphics on the canvas.
The lineTo() method is one of the methods provided by the canvas context object. It takes two arguments, x and y, which specify the end point of the line to be drawn.
In this case, the x and y coordinates are obtained from an array of points (points[]) using the index i. This means that the line will be drawn from the current pen position to the ith point in the array.
Overall, this line of code is used to draw a series of connected straight lines between a sequence of points in the canvas context.
阅读全文