 float4[Class Summary] |
 x |
| y |
| z |
| w |
| zero[static][const] |
| one[static][const] |
| unitX[static][const] |
| unitY[static][const] |
| unitZ[static][const] |
| unitW[static][const] |
| nan[static][const] |
| inf[static][const] |
 ctor (+8 overloads) |
| ptr() (+1 overload) |
 operator[](index) (+1 overload) |
| At(index) (+1 overload) |
| operators +,-,*,/(v)[const] (+1 overload) |
| operators +=,-=,*=,/=(v) |
| Add/Sub/Mul/Div(v)[const] (+1 overload) |
| xy()[const] |
| xyz()[const] |
| Float3Part() (+1 overload) |
| Swizzled(i,j,k,l)[const] (+2 overloads) |
| SetFromScalar(scalar) (+1 overload) |
| SetFromSphericalCoordinates(...) (+2 overloads) |
| ToSphericalCoordinates()[const] |
| ToSphericalCoordinatesNormalized()[const] |
| Set(x,y,z,w) |
| LengthSq3()[const] |
| Length3()[const] |
| LengthSq4()[const] |
| LengthSq()[const] |
| Length4()[const] |
| Length()[const] |
| Normalize3() |
| Normalize4() |
| Normalize() |
| Normalized3()[const] |
| Normalized4()[const] |
| Normalized()[const] |
| NormalizeW() |
| IsWZeroOrOne(epsilon)[const] |
| IsZero3(epsilonSq)[const] |
| IsZero4(epsilonSq)[const] |
| IsZero(epsilonSq)[const] |
| IsNormalized3(epsilonSq)[const] |
| IsNormalized4(epsilonSq)[const] |
| IsNormalized(epsilonSq)[const] |
| Scale3(scalar) |
| ScaleToLength3(newLength) |
| ScaleToLength(newLength) |
| ScaledToLength3(newLength)[const] |
| ScaledToLength(newLength)[const] |
| IsFinite()[const] |
| IsPerpendicular3(other,epsilonSq)[const] |
| IsPerpendicular(other,epsilonSq)[const] |
| ToString()[const] |
| SerializeToString()[const] |
| SerializeToCodeString()[const] |
| SumOfElements()[const] |
| ProductOfElements()[const] |
| AverageOfElements()[const] |
| MinElement()[const] |
| MinElementIndex()[const] |
| MaxElement()[const] |
| MaxElementIndex()[const] |
| Abs()[const] |
| Neg3()[const] |
| Neg4()[const] |
| Recip3()[const] |
| Recip4()[const] |
| RecipFast4()[const] |
| Min(ceil)[const] (+1 overload) |
| Max(floor)[const] (+1 overload) |
| Clamp(floor,ceil)[const] (+1 overload) |
| Clamp01()[const] |
| Lerp(b,t)[const] |
| Distance3Sq(rhs)[const] |
| Distance3(rhs)[const] |
| Distance4Sq(rhs)[const] |
| DistanceSq(rhs)[const] |
| Distance4(rhs)[const] |
| Distance(rhs)[const] |
| Dot3(rhs)[const] (+1 overload) |
| Dot4(rhs)[const] |
| Dot(rhs)[const] |
| Cross3(rhs)[const] (+1 overload) |
| Cross(rhs)[const] |
| OuterProduct(rhs)[const] |
| Perpendicular3(hint,hint2)[const] |
| Perpendicular(hint,hint2)[const] |
| AnotherPerpendicular3(hint,hint2)[const] |
| AnotherPerpendicular(hint,hint2)[const] |
| RandomPerpendicular(rng)[const] |
| Reflect3(normal)[const] |
| Reflect(normal)[const] |
| Refract(...)[const] |
| AngleBetween3(other)[const] |
| AngleBetweenNorm3(normalizedVector)[const] |
| AngleBetween4(other)[const] |
| AngleBetweenNorm4(normalizedVector)[const] |
| ProjectTo3(target)[const] |
| ProjectTo(target)[const] |
| ProjectToNorm3(target)[const] |
| ProjectToNorm(target)[const] |
| Equals(other,epsilon)[const] (+1 overload) |
| BitEquals(other)[const] |
| FromScalar(scalar)[static] (+1 overload) |
| FromSphericalCoordinates(...)[static] (+2 overloads) |
| Orthogonalize(a,b)[static] (+1 overload) |
| AreOrthogonal(a,b,epsilon)[static] (+1 overload) |
| AreCollinear(p1,p2,p3,epsilon)[static] |
| Orthonormalize(a,b)[static] (+1 overload) |
| AreOrthonormal(a,b,epsilon)[static] (+1 overload) |
| FromString(str,outEndStr)[static] (+1 overload) |
| Lerp(a,b,t)[static] |
| RandomDir(lcg,length)[static] |
| RandomSphere(lcg,center,radius)[static] |
| RandomBox(...)[static] (+2 overloads) |
| RandomGeneral(...)[static] |
float4::LengthSq4
Syntax
float float4::LengthSq4() const; [8 lines of code]Computes the squared length of this vector.
Calling this function is faster than calling Length4(), since this function avoids computing a square root. If you only need to compare lengths to each other, but are not interested in the actual length values, you can compare by using LengthSq4(), instead of Length4(), since Sqrt() is an order-preserving (monotonous and non-decreasing) function.
Return Value
x*x + y*y + z*z + w*w.