public void CompareTangentToQuadratic()
{
QuadraticBezier2f quadratic = new QuadraticBezier2f();
quadratic.C0 = new Vector2f(0.027f, 0.065f);
quadratic.C1 = new Vector2f(1.234f, 0.012f);
quadratic.C2 = new Vector2f(0.816f, 1.298f);
Bezier2f bezier = new Bezier2f(2);
bezier.Control[0] = quadratic.C0;
bezier.Control[1] = quadratic.C1;
bezier.Control[2] = quadratic.C2;
int count = 8;
for (int i = 0; i < count; i++)
{
float t = i / (count - 1.0f);
Vector2f t0 = quadratic.Tangent(t);
Vector2f t1 = bezier.Tangent(t);
Assert.AreEqual(Math.Round(t0.x, PRECISION), Math.Round(t1.x, PRECISION));
Assert.AreEqual(Math.Round(t0.y, PRECISION), Math.Round(t1.y, PRECISION));
}
}
public void CompareLengthToQuadratic()
{
QuadraticBezier2f quadratic = new QuadraticBezier2f();
quadratic.C0 = new Vector2f(0.027f, 0.065f);
quadratic.C1 = new Vector2f(1.234f, 0.012f);
quadratic.C2 = new Vector2f(0.816f, 1.298f);
Bezier2f bezier = new Bezier2f(2);
bezier.Control[0] = quadratic.C0;
bezier.Control[1] = quadratic.C1;
bezier.Control[2] = quadratic.C2;
float len0 = quadratic.Length;
float len1 = bezier.Length(100);
Assert.AreEqual(Math.Round(len0, 4), Math.Round(len1, 4));
}
