如何绘制三角形? [英] How do I draw a triangle?

问题描述

我知道如何绘制一个矩形和一个圆形并用g.drawRect或g.drawOval进行绘制.但是没有g.drawtriangle.有没有办法画出一个三角形，而我不必将其画在三角形的每一侧?

I know how to draw a rectangle and circles and ect with g.drawRect or g.drawOval. But there is no g.drawtriangle. Is there a way to draw a triangle with out me having to draw it out each side of the triangle?

推荐答案

您可以使用Graphics.drawPolygon(int[], int[], int)，其中第一个int []是x值的集合，第二个int []是y值的集合， int是数组的长度. (在三角形的情况下，整数将为3)

You may use Graphics.drawPolygon(int[], int[], int) where the first int[] is the set of x values, the second int[] is the set of y values, and the int is the length of the array. (In a triangle's case, the int is going to be 3)

示例:

graphics.drawPolygon(new int[] {10, 20, 30}, new int[] {100, 20, 100}, 3);

输出:

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