SphericalHarmonics3 class

Primary reference: https://graphics.stanford.edu/papers/envmap/envmap.pdf

Secondary reference: https://www.ppsloan.org/publications/StupidSH36.pdf Represents a third-order spherical harmonics (SH). Light probes use this class to encode lighting information.

Constructors

SphericalHarmonics3()

Properties

coefficients List<Vector3>
getter/setter pair
hashCode int
The hash code for this object.
no setterinherited
runtimeType Type
A representation of the runtime type of the object.
no setterinherited
type String
getter/setter pair

Methods

add(SphericalHarmonics3 sh) SphericalHarmonics3
sh - The SH to add.
addScaledSH(SphericalHarmonics3 sh, double s) SphericalHarmonics3
sh - The SH to add.
clone() SphericalHarmonics3
Returns a new instance of SphericalHarmonics3 with equal coefficients.
copy(SphericalHarmonics3 sh) SphericalHarmonics3
sh - The SH to copy.
equals(SphericalHarmonics3 sh) bool
fromArray(List<double> array, [int offset = 0]) SphericalHarmonics3
array - The array holding the numbers of the SH coefficients.
getAt(Vector3 normal, Vector3 target) Vector3
getIrradianceAt(Vector3 normal, Vector3 target) Vector3
lerp(SphericalHarmonics3 sh, double alpha) SphericalHarmonics3
sh - The SH to interpolate with.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
scale(double s) SphericalHarmonics3
s - The scale factor.
set(List<Vector3> coefficients) SphericalHarmonics3
coefficients - An array of SH coefficients.
toArray(List<double> array, [int offset = 0]) List<double>
array - (optional) The target array.
toString() String
A string representation of this object.
inherited
zero() SphericalHarmonics3
Sets all SH coefficients to 0.

Operators

operator ==(Object other) bool
The equality operator.
inherited

Static Methods

getBasisAt(Vector3 normal, List<double> shBasis) → void
normal - The normal vector (assumed to be unit length).