public static Vec4 Lerp(Vec4 v1, Vec4 v2, float amount)
{
Vec4 vec;
vec.x = v1.x + ((v2.x - v1.x) * amount);
vec.y = v1.y + ((v2.y - v1.y) * amount);
vec.z = v1.z + ((v2.z - v1.z) * amount);
vec.w = v1.w + ((v2.w - v1.w) * amount);
return(vec);
}
public static Vec4 Divide(float s, Vec4 v)
{
Vec4 vec;
vec.x = s / v.x;
vec.y = s / v.y;
vec.z = s / v.z;
vec.w = s / v.w;
return(vec);
}
public static Vec4 Negate(Vec4 v)
{
Vec4 vec;
vec.x = -v.x;
vec.y = -v.y;
vec.z = -v.z;
vec.w = -v.w;
return(vec);
}
public static Vec4 Multiply(float s, Vec4 v)
{
Vec4 vec;
vec.x = v.x * s;
vec.y = v.y * s;
vec.z = v.z * s;
vec.w = v.w * s;
return(vec);
}
public static Vec4 Divide(Vec4 v1, Vec4 v2)
{
Vec4 vec;
vec.x = v1.x / v2.x;
vec.y = v1.y / v2.y;
vec.z = v1.z / v2.z;
vec.w = v1.w / v2.w;
return(vec);
}
public static Vec4 Multiply(Vec4 v1, Vec4 v2)
{
Vec4 vec;
vec.x = v1.x * v2.x;
vec.y = v1.y * v2.y;
vec.z = v1.z * v2.z;
vec.w = v1.w * v2.w;
return(vec);
}
public static Vec4 Subtract(Vec4 v1, Vec4 v2)
{
Vec4 vec;
vec.x = v1.x - v2.x;
vec.y = v1.y - v2.y;
vec.z = v1.z - v2.z;
vec.w = v1.w - v2.w;
return(vec);
}
public static Vec4 Add(Vec4 v1, Vec4 v2)
{
Vec4 vec;
vec.x = v1.x + v2.x;
vec.y = v1.y + v2.y;
vec.z = v1.z + v2.z;
vec.w = v1.w + v2.w;
return(vec);
}
public static Vec4 Divide(Vec4 v, float s)
{
Vec4 vec;
float num = 1f / s;
vec.x = v.x * num;
vec.y = v.y * num;
vec.z = v.z * num;
vec.w = v.w * num;
return(vec);
}
public bool Equals(ref Vec4 v, float epsilon)
{
if (System.Math.Abs(x - v.x) > epsilon)
{
return(false);
}
if (System.Math.Abs(y - v.y) > epsilon)
{
return(false);
}
if (System.Math.Abs(z - v.z) > epsilon)
{
return(false);
}
if (System.Math.Abs(w - v.w) > epsilon)
{
return(false);
}
return(true);
}
public static Vec4 Parse(string text)
{
Vec4 vec;
if (string.IsNullOrEmpty(text))
{
throw new ArgumentNullException("The text parameter cannot be null or zero length.");
}
string[] strArray = text.Split(SpaceCharacter.arrayWithOneSpaceCharacter, StringSplitOptions.RemoveEmptyEntries);
if (strArray.Length != 4)
{
throw new FormatException(string.Format("Cannot parse the text '{0}' because it does not have 4 parts separated by spaces in the form (x y z w).", text));
}
try
{
vec = new Vec4(float.Parse(strArray[0]), float.Parse(strArray[1]), float.Parse(strArray[2]), float.Parse(strArray[3]));
}
catch (Exception)
{
throw new FormatException("The parts of the vectors must be decimal numbers.");
}
return(vec);
}
public static Vec4 NormalizeFast(Vec4 v)
{
float num = MathFunctions.InvSqrt16((((v.x * v.x) + (v.y * v.y)) + (v.z * v.z)) + (v.w * v.w));
return(new Vec4(v.x * num, v.y * num, v.z * num, v.w * num));
}
static Vec4()
{
Zero = new Vec4(0f, 0f, 0f, 0f);
}
public static Vec4 Multiply(Vec4 v, Mat4 m)
{
Multiply(ref m, ref v, out Vec4 vec);
return(vec);
}
