public void TestStaticFn_CatmullRom_iv ()
{
var a = new Vector2( -90, -90 );
var b = new Vector2( -30, -30 );
var c = new Vector2( +30, +30 );
var d = new Vector2( +90, +90 );
Double one = 1;
Double a0 = 0;
Double a1 = (one * 1) / 4;
Double a2 = (one * 2) / 4;
Double a3 = (one * 3) / 4;
Double a4 = 1;
Vector2 r0 = b;
Vector2 r1 = new Vector2( -15, -15 );
Vector2 r2 = Vector2.Zero;
Vector2 r3 = new Vector2( 15, 15 );
Vector2 r4 = c;
var knownResults = new List<Tuple<Double, Vector2>>
{
new Tuple<Double, Vector2>( a0, r0 ),
new Tuple<Double, Vector2>( a1, r1 ),
new Tuple<Double, Vector2>( a2, r2 ),
new Tuple<Double, Vector2>( a3, r3 ),
new Tuple<Double, Vector2>( a4, r4 ),
};
for (Int32 idx = 0; idx < knownResults.Count; ++idx)
{
Vector2 result;
Double amount = knownResults[idx].Item1;
Vector2 expected = knownResults[idx].Item2;
Vector2.CatmullRom (
ref a, ref b, ref c, ref d, ref amount, out result);
AssertEqualWithinReason(result, expected);
}
}