public Vec4f Set(Vec4f vec)
{
this.X = vec.X;
this.Y = vec.Y;
this.Z = vec.Z;
this.W = vec.W;
return(this);
}
public Vec4f Mul(Vec4f vec)
{
this.X *= vec.X;
this.Y *= vec.Y;
this.Z *= vec.Z;
this.W *= vec.W;
return(this);
}
public static Vec4f ToRGBAVec4f(int color, ref Vec4f outVal)
{
return(outVal.Set(
((color >> 16) & 0xff) / 255f,
((color >> 8) & 0xff) / 255f,
((color >> 0) & 0xff) / 255f,
((color >> 24) & 0xff) / 255f
));
}
public static int ColorFromRgba(Vec4f colorRel)
{
return((int)(colorRel.R * 255) | ((int)(colorRel.G * 255) << 8) | ((int)(colorRel.B * 255) << 16) | ((int)(colorRel.A * 255) << 24));
}
/// <summary>
/// Create a new vector with given coordinates
/// </summary>
/// <param name="vec"></param>
public Vec3f(Vec4f vec)
{
this.X = vec.X;
this.Y = vec.Y;
this.Z = vec.Z;
}
/// <summary>
/// Creates the cross product from a and b and sets own values accordingly
/// </summary>
/// <param name="a"></param>
/// <param name="b"></param>
public void Cross(Vec3f a, Vec4f b)
{
X = a.Y * b.Z - a.Z * b.Y;
Y = a.Z * b.X - a.X * b.Z;
Z = a.X * b.Y - a.Y * b.X;
}