public static Vector2d_simple LerpWithoutRange(Vector2d_simple a, Vector2d_simple b, float alpha)
{
Vector2d_simple delta = a - b;
return(a - delta * alpha);
}
public static Vector2d_simple ClampInOne(Vector2d_simple p)
{
p.x = p.x <= 0 ? 0 : (p.x >= 1 ? 1 : p.x);
//p.y = p.y <= 0 ? 0 : (p.y >= 1 ? 1 : p.y);
return(p);
}
public static Vector2d_simple LerpInRange(Vector2d_simple a, Vector2d_simple b, float alpha)
{
alpha = alpha < 0 ? 0 : (alpha > 1 ? 1 : alpha);
return(LerpWithoutRange(a, b, alpha));
}
public CubicBezier(Vector2d_simple a, Vector2d_simple b)
{
m_a = Vector2d_simple.ClampInOne(a);
m_b = Vector2d_simple.ClampInOne(b);
}