public static Vec2f Clamp(Vec2f x, float min, float max)
{
return(new Vec2f()
{
x = MathF.Clamp(x.x, min, max),
y = MathF.Clamp(x.y, min, max)
});
}
public static Vec2f Clamp(Vec2f x, Vec2f min, Vec2f max)
{
return(new Vec2f()
{
x = MathF.Clamp(x.x, min.x, max.x),
y = MathF.Clamp(x.y, min.y, max.y)
});
}
public static Vec2f Slerp(Vec2f x, Vec2f y, float a)
{
// Dot product - the cosine of the angle between 2 vectors.
var dot = Vec2f.Dot(x, y);
// Clamp it to be in the range of Acos()
dot = MathF.Clamp(dot, -1.0f, 1.0f);
float theta = MathF.Acos(dot) * a;
var relativeVec = Vec2f.Normalize(y - x * dot); // Orthonormal basis
return((x * MathF.Cos(theta)) + (relativeVec * MathF.Sin(theta)));
}
public static float SmoothStep(float edge0, float edge1, float x)
{
float tmp = MathF.Clamp((x - edge0) / (edge1 - edge0), 0.0f, 1.0f);
return(tmp * tmp * (3.0f - 2.0f * tmp));
}
