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// 假设你已经有一个CogRectangleAffine对象名为rectangleAffine 
 
// 获取包围盒的中心点坐标 
double centerX = rectangleAffine.CenterX; 
double centerY = rectangleAffine.CenterY; 
 
// 获取包围盒的宽度和高度 
double width = rectangleAffine.SideXLength; 
double height = rectangleAffine.SideYLength; 
 
// 获取包围盒的角度(弧度) 
double angle = rectangleAffine.Rotation; 
 
// 计算四个顶点相对于中心点的偏移量 
double offsetX = width / 2 * Math.Cos(angle) - height / 2 * Math.Sin(angle); 
double offsetY = width / 2 * Math.Sin(angle) + height / 2 * Math.Cos(angle); 
 
// 计算四个顶点的坐标 
double[] vertexX = new double[4]; 
double[] vertexY = new double[4]; 
 
vertexX[0] = centerX + offsetX; 
vertexY[0] = centerY + offsetY; 
 
vertexX[1] = centerX - offsetX; 
vertexY[1] = centerY - offsetY; 
 
vertexX[2] = centerX - offsetX; 
vertexY[2] = centerY - offsetY; 
 
vertexX[3] = centerX + offsetX; 
vertexY[3] = centerY + offsetY; 
 
// 打印顶点坐标 
for (int i = 0; i < 4; i++) 
{ 
    Console.WriteLine("顶点 {0}: ({1}, {2})", i+1, vertexX[i], vertexY[i]); 
} 
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