public TexRectangle(TexCoord tl, TexCoord br)
: this(tl.u, tl.v, br.u, br.v)
{
}
public TexRectangle(TexCoord br)
: this(0f, 0f, br.u, br.v)
{
}
public TexRectangle(float u1, float v1, float u2, float v2)
{
topLeft= new TexCoord(MathExt.getMostMin(u1, u2), MathExt.getMostMin(v1, v2));
bottomRight= new TexCoord(MathExt.getMostMax(u1, u2), MathExt.getMostMax(v1,v2));
}
