adskNoise.h File Reference
Detailed Description
Shader SDK noise functions.#include <shader.h>
#include <adskExport.h>
#include "adskShaderSDKNamespaceBegin.h"
#include "adskShaderSDKNamespaceEnd.h"
Include dependency graph for
adskNoise.h:
Functions |
|
| ADSK_SHADERSDK_EXPORT double | noise_drand (int *seed) |
| Generate a double precision pseudo-random
number. |
|
| ADSK_SHADERSDK_EXPORT float | noise_frand (int *seed) |
| Generate a single precision pseudo-random
number. |
|
| ADSK_SHADERSDK_EXPORT void | noise_gradient_init (miState *state) |
| Initialize the gradient noise function.
|
|
| ADSK_SHADERSDK_EXPORT float | noise_gradient_3d (float x, float y, float z) |
| Compute gradient noise for a given 3D
location. |
|
| ADSK_SHADERSDK_EXPORT float | noise_scalar_1d (double x) |
| Generate scalar one dimensional quadratic
noise. |
|
| ADSK_SHADERSDK_EXPORT float | noise_scalar_2d (double x, double y) |
| Generate scalar two dimensional quadratic
noise. |
|
| ADSK_SHADERSDK_EXPORT miVector | noise_vector_2d (double x, double y) |
| Generate vector two dimensional quadratic
noise. |
|
| ADSK_SHADERSDK_EXPORT float | noise_scalar_3d (double x, double y, double z) |
| Generate scalar three dimensional quadratic
noise. |
|
| ADSK_SHADERSDK_EXPORT float | noise_scalar_4d (double x, double y, double z, double t, int steps) |
| Generate scalar four dimensional quadratic
noise. |
|
| ADSK_SHADERSDK_EXPORT double | noise_table_scalar (int index) |
| Generate scalar noise based on a lookup
table. |
|
| ADSK_SHADERSDK_EXPORT miVector | noise_table_vector (int index) |
| Generate vector noise based on a lookup
table. |
|
Function Documentation
| ADSK_SHADERSDK_EXPORT double noise_drand | ( | int * | seed | ) |
Generate a double precision pseudo-random number.
- Parameters:
-
[in,out] seed Initial random seed. Modified after each call.
- Returns:
- A pseudo-random number.
| ADSK_SHADERSDK_EXPORT float noise_frand | ( | int * | seed | ) |
Generate a single precision pseudo-random number.
- Parameters:
-
[in,out] seed Initial random seed. Modified after each call.
- Returns:
- A pseudo-random number.
| ADSK_SHADERSDK_EXPORT float noise_gradient_3d | ( | float | x, | |
| float | y, | |||
| float | z | |||
| ) |
Compute gradient noise for a given 3D location.
- Parameters:
-
[in] x x coordinate for noise function [in] y y coordinate for noise function [in] z z coordinate for noise function
- Returns:
- The scalar noise value.
| ADSK_SHADERSDK_EXPORT void noise_gradient_init | ( | miState * | state | ) |
Initialize the gradient noise function.
- Parameters:
-
[in] state The current miState.
| ADSK_SHADERSDK_EXPORT float noise_scalar_1d | ( | double | x | ) |
Generate scalar one dimensional quadratic noise.
- Parameters:
-
[in] x x coordinate for noise function
- Returns:
- The scalar noise value.
| ADSK_SHADERSDK_EXPORT float noise_scalar_2d | ( | double | x, | |
| double | y | |||
| ) |
Generate scalar two dimensional quadratic noise.
- Parameters:
-
[in] x x coordinate for noise function [in] y y coordinate for noise function
- Returns:
- The scalar noise value.
| ADSK_SHADERSDK_EXPORT float noise_scalar_3d | ( | double | x, | |
| double | y, | |||
| double | z | |||
| ) |
Generate scalar three dimensional quadratic noise.
- Parameters:
-
[in] x x coordinate for noise function [in] y y coordinate for noise function [in] z z coordinate for noise function
- Returns:
- The scalar noise value.
| ADSK_SHADERSDK_EXPORT float noise_scalar_4d | ( | double | x, | |
| double | y, | |||
| double | z, | |||
| double | t, | |||
| int | steps | |||
| ) |
Generate scalar four dimensional quadratic noise.
- Parameters:
-
[in] x x coordinate for noise function [in] y y coordinate for noise function [in] z z coordinate for noise function [in] t t coordinate for noise function [in] steps Number of steps for given time value.
- Returns:
- The scalar noise value.
| ADSK_SHADERSDK_EXPORT double noise_table_scalar | ( | int | index | ) |
Generate scalar noise based on a lookup table.
- Parameters:
-
[in] index The index in the lookup table.
- Returns:
- The scalar noise value.
| ADSK_SHADERSDK_EXPORT miVector noise_table_vector | ( | int | index | ) |
Generate vector noise based on a lookup table.
- Parameters:
-
[in] index The index in the lookup table.
- Returns:
- The vector noise value.
| ADSK_SHADERSDK_EXPORT miVector noise_vector_2d | ( | double | x, | |
| double | y | |||
| ) |
Generate vector two dimensional quadratic noise.
- Parameters:
-
[in] x x coordinate for noise function [in] y y coordinate for noise function
- Returns:
- The vector noise.
