/// <summary>
/// Gets the wrapped uv.
/// </summary>
/// <returns>The wrapped uv.</returns>
/// <param name="uV">U v.</param>
private Vector2 GetWrappedUv(Vector2 uV)
{
float u = uV.x;
float v = uV.y;
switch (m_Wrap)
{
case Wrap.Clamp:
u = HydraMathUtils.Clamp(u, 0.0f, 1.0f);
v = HydraMathUtils.Clamp(v, 0.0f, 1.0f);
break;
case Wrap.Repeat:
u = Mathf.Repeat(u, 1.0f);
v = Mathf.Repeat(v, 1.0f);
break;
case Wrap.PingPong:
u = HydraMathUtils.PingPong(u, 1.0f);
v = HydraMathUtils.PingPong(v, 1.0f);
break;
default:
throw new ArgumentOutOfRangeException();
}
return(new Vector2(u, v));
}
/// <summary>
/// Returns the color at the specified time, using the given wrap mode.
/// </summary>
/// <param name="extends">Extends.</param>
/// <param name="time">Time.</param>
/// <param name="wrapMode">Wrap mode.</param>
public static Color Evaluate(this Gradient extends, float time, GradientWrapMode wrapMode)
{
switch (wrapMode)
{
case GradientWrapMode.Clamp:
return(extends.Evaluate(time));
case GradientWrapMode.Loop:
return(extends.Evaluate(Mathf.Repeat(time, 1.0f)));
case GradientWrapMode.PingPong:
return(extends.Evaluate(HydraMathUtils.PingPong(time, 1.0f)));
default:
throw new ArgumentOutOfRangeException();
}
}
