public static ArbitraryVertex Lerp(IMeshVertex a, IMeshVertex b, float t)
{
Vector3 position = Vector3.Lerp(a.position, b.position, t);
Vector2 uv = Vector3.Lerp(a.uv, b.uv, t);
Vector3?normal = null;
Vector4?tangent = null;
Color? color = null;
if (a.normal != null && b.normal != null)
{
normal = Vector3.Normalize(Vector3.Lerp(a.normal.Value, b.normal.Value, t));
}
if (a.tangent != null && b.tangent != null)
{
Vector3 tanDir = Vector3.Lerp(a.tangent.Value, b.tangent.Value, t);
tangent = new Vector4(tanDir.x, tanDir.y, tanDir.z, a.tangent.Value.w);
}
if (a.color != null && b.color != null)
{
color = Color.Lerp(a.color.Value, b.color.Value, t);
}
return(new ArbitraryVertex(position, uv, normal, tangent, color));
}
public ArbitraryVertex(
IMeshVertex vertex)
{
this.position = vertex.position;
this.uv = vertex.uv;
this.normal = vertex.normal;
this.tangent = vertex.tangent;
this.color = vertex.color;
}
