public void CreateAllBuffer(Device device, Vector3 center, float radius)
{
if (first)
{
CreateAxieLinesBuffer(device, center, radius);
arrows[0].CreateAllBuffer(device, AxisArrow.Point_To_X_Axis(center, radius));
arrows[1].CreateAllBuffer(device, AxisArrow.Point_To_Y_Axis(center, radius));
arrows[2].CreateAllBuffer(device, AxisArrow.Point_To_Z_Axis(center, radius));
//只有第一次创建时才更新center,radius
this.center = center;
this.radius = radius;
this.first = false;
}
else
{
//非首次创建，则始终使用参考模型的center、radius
CreateAxieLinesBuffer(device, this.center, this.radius);
arrows[0].CreateAllBuffer(device, AxisArrow.Point_To_X_Axis(this.center, this.radius));
arrows[1].CreateAllBuffer(device, AxisArrow.Point_To_Y_Axis(this.center, this.radius));
arrows[2].CreateAllBuffer(device, AxisArrow.Point_To_Z_Axis(this.center, this.radius));
}
}
Vector3 center; //始终保存参考模型的center
public CoordAxies()
{
first = true;
arrows = new AxisArrow[3];
arrows[0] = new AxisArrow(Color.Red);
arrows[1] = new AxisArrow(Color.Green);
arrows[2] = new AxisArrow(Color.Blue);
}