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Unigine::LightEnvironmentProbe Class

Header: #include <UnigineLights.h>
Inherits: Light

This class allows creating and managing environment probes.

LightEnvironmentProbe Class

Members


static LightEnvironmentProbePtr create ( const Math::vec4 & color, const Math::vec3 & attenuation_distance, const char * name = 0 ) #

Constructor. Creates a new environment probe with cubemap modulation based on given parameters.

Arguments

  • const Math::vec4 & color - Color of the environment probe.
  • const Math::vec3 & attenuation_distance - Radii of the environment probe.
  • const char * name - Path to a cube texture of the environment probe.

void setAmbientEnabled ( int enabled ) #

Enables or disables ambient lighting for the environment probe.

Arguments

  • int enabled - 1 to enable ambient lighting for the environment probe; 0 to disable it.

int isAmbientEnabled ( ) #

Returns a value indicating if ambient lighting for the environment probe is enabled.

Return value

1 if ambient lighting for the environment probe is enabled; otherwise, 0.

void setAmbientColor ( const Math::vec4 & color ) #

Sets given ambient color to the LightEnvironment Probe.

Arguments

  • const Math::vec4 & color - Ambient color value.

Math::vec4 getAmbientColor ( ) #

Returns ambient color value of the LightEnvironment Probe.

Return value

Ambient color value.

void setAmbientContrast ( float contrast ) #

Sets the ambient contrast value for the environment probe.

Arguments

  • float contrast - Ambient contrast value within the [0.0f, 1.0f] range. The default value is 1.0f.

float getAmbientContrast ( ) #

Returns the current ambient contrast value for the environment probe.

Return value

Ambient contrast value.

void setAmbientIntensity ( float intensity ) #

Sets given ambient intensity value to the LightEnvironment Probe. If ambient intensity is set to 1 and reflection intensity is set to 0, the Probe will be pure Light Probe.

Arguments

  • float intensity - Ambient intensity value within the [0.0f, 1.0f] range. The default value is 1.0f.

float getAmbientIntensity ( ) #

Returns ambient intensity of the LightEnvironment Probe.

Return value

Ambient intensity value.

void setAttenuationDistance ( const Math::vec3 & distance ) #

Sets the distance from the light source shape, at which the light source doesn't illuminate anything.

Arguments

  • const Math::vec3 & distance - Distance from the light source shape, at which the light source doesn't illuminate anything.

Math::vec3 getAttenuationDistance ( ) #

Returns the distance from the light source shape, at which the light source doesn't illuminate anything.

Return value

Distance from the light source shape, at which the light source doesn't illuminate anything.

void setBoxGI ( float boxgi ) #

Sets the current GI factor for box projection.
Notice
Available only when the Box projection flag is set to 1.

Arguments

  • float boxgi - GI factor.

float getBoxGI ( ) #

Returns the current GI factor for box projection.
Notice
Available only when the Box projection flag is set to 1.

Return value

GI factor.

void setBoxGlossCorners ( float corners ) #

Sets the coefficient that controls glossiness of reflections in the corners of box projection.
Notice
Available only when the Box projection flag is set to 1.

Arguments

  • float corners - New value of the glossiness coefficient for reflections in the corners of box projection. The default value is 1.

float getBoxGlossCorners ( ) #

Returns the current value of the coefficient that controls glossiness of reflections in the corners of box projection.
Notice
Available only when the Box projection flag is set to 1.

Return value

Current value of the glossiness coefficient for reflections in the corners of box projection. The default value is 1.

void setGrabByBakeLighting ( int lighting ) #

Sets a value indicating whether the cubemap texture is to be modified by the Bake Lighting Tool.

Arguments

  • int lighting - 1 to enable grabbing the cubemap texture with the Bake Lighting Tool; 0 - to disable it.

int isGrabByBakeLighting ( ) #

Returns a value indicating whether the cubemap texture is to be modified by the Bake Lighting Tool.

Return value

1 if the cubemap texture will be modified by the Bake Lighting Tool; otherwise, 0.

void setBoxProjection ( int projection ) #

Enables or disables box projection for the environment probe.

Arguments

  • int projection - 1 to enable box projection for the environment probe, 0 to disable it. The default value is 0.

int isBoxProjection ( ) #

Returns a value indicating if box projection is enabled for the environment probe.

Return value

1 if box projection is enabled for the environment probe; otherwise, 0.

void setBoxSize ( const Math::vec3 & size ) #

Sets the box size for the environment probe (available only when the Box projection flag is set to 1).

Arguments

  • const Math::vec3 & size - Box size along X, Y and Z axes.

Math::vec3 getBoxSize ( ) #

Returns the current box size for the environment probe (available only when the Box projection flag is set to 1).

Return value

Box size along X, Y and Z axes.

void setDynamic ( int dynamic ) #

Sets the value indicating if reflections are dynamic (the cubemap is generated dynamically).

Arguments

  • int dynamic - 1 to enable dynamic reflections; 0 to use a reflection cubemap.

int isDynamic ( ) #

Returns the value indicating if reflections are dynamic (the cubemap is generated dynamically).

Return value

1 if dynamic reflections are used; 0 if a reflection cubemap is used.

void setTexture ( const Ptr<Texture> & texture ) #

Sets the given texture as the cube texture of the environment probe. If you need to set the cube texture for all environment probes in the scene, set the dynamic flag to 1.

Arguments

  • const Ptr<Texture> & texture - Cube texture to set.

Ptr<Texture> getTexture ( ) #

Grabs the cube texture (RGBA16F) containing the rendered environment probe and saves it into the given Texture instance.

Return value

Texture to which the cube texture is saved.

int setTextureImage ( const Ptr<Image> & image, int dynamic = 0 ) #

Sets the given image as the cube texture of the environment probe. If you need to set the cube texture for all environment probes in the scene, set the dynamic flag to 1.

Arguments

  • const Ptr<Image> & image - Cube texture to set.
  • int dynamic - Dynamic texture flag:
    • If set to 0, changing the cube texture of the current environment probe will also affect all environment probes in the scene.
    • If set to 1, a cube texture will be successfully set only for the current environment probe.

Return value

1 if the cube texture is set successfully; otherwise, 0.

int getTextureImage ( const Ptr<Image> & image ) #

Grabs the cube texture (RGBA16F) containing the rendered environment probe and saves it into the given Image instance.

Arguments

  • const Ptr<Image> & image - Image into which the texture is saved.

Return value

1 if the cube texture has been grabbed successfully; otherwise, 0.

void setTexturePath ( const char * path ) #

Sets a path to a cube texture.

Arguments

  • const char * path - Path to a cube texture.

const char * getTexturePath ( ) #

Returns the path to the reflection cube texture used for the environment probe.

Return value

Path to the cube texture.

void setLocalSpace ( int space ) #

Arguments

  • int space

int isLocalSpace ( ) #

void setReflectionColor ( const Math::vec4 & color ) #

Sets given reflection color to the LightEnvironment Probe. If reflection intensity is set to 1 and ambient intensity is set to 0, the Probe will be pure Reflection Probe.

Arguments

  • const Math::vec4 & color - Color value.

Math::vec4 getReflectionColor ( ) #

Returns a reflection color of the LightEnvironment Probe.

Return value

Color value.

void setReflectionIntensity ( float intensity ) #

Sets given reflection intensity value to the LightEnvironemt Probe.

Arguments

  • float intensity - Reflection intensity value.

float getReflectionIntensity ( ) #

Returns the reflection intensity of the LightEnvironment Probe.

Return value

Reflection intensity value.

void setReflectionViewportMask ( int mask ) #

Sets a mask that specifies materials for which reflections are to be rendered in the viewport.
Notice
The reflection viewport mask can be specified only for dynamic reflections (when the Dynamic flag is set to 1).

Arguments

  • int mask - Reflection viewport mask (integer, each bit of which is used to represent a mask).

int getReflectionViewportMask ( ) #

Returns the mask that specifies materials for which reflections are to be rendered in the viewport.
Notice
The reflection viewport mask can be specified only for dynamic reflections (when the Dynamic flag is set to 1).

Return value

Reflection viewport mask (integer, each bit of which is used to represent a mask).

void setParallax ( float parallax ) #

Sets parallax correction value for reflection cubemaps projected by the environment probe. By the minimum value of 0 reflection cubemaps are simply projected onto objects, and do not follow the viewer's perspective. This causes an unrealistic-looking reflection for most surfaces. Parallax correction enables to take camera's position into account.
Notice
Parallax correction is not available for reflections on transparent objects.

Arguments

  • float parallax - Parallax correction value to be set for reflection cubemaps projected by the environment probe in the range [0;1]:
    • By the minimum value of 0 parallax correction is disabled (reflections will look like objects are infinitely distant).
    • By the maximum value of 1 parallax correction is enabled (reflections will look like objects are at the distance close to the radius of the environment probe).
    • Values in-between represent a linear interpolation factor for parallax correction and are to be set when the environment probe is used to fit a medium or small object into the environment for additional correction.

float getParallax ( ) #

Returns the current parallax correction value for reflection cubemaps projected by the environment probe. By the minimum value of 0 reflection cubemaps are simply projected onto objects, and do not follow the viewer's perspective. This causes an unrealistic-looking reflection for most surfaces. Parallax correction enables to take camera's position into account.
Notice
Parallax correction is not available for reflections on transparent objects.

Return value

Current parallax correction value for reflection cubemaps projected by the environment probe in the range [0;1].
  • By the minimum value of 0 parallax correction is disabled (reflections will look like objects are infinitely distant).
  • By the maximum value of 1 parallax correction is enabled (reflections will look like objects are at the distance close to the radius of the environment probe).
  • Values in-between represent a linear interpolation factor for parallax correction and are to be set when the environment probe is used to fit a medium or small object into the environment for additional correction.

void setRenderFacesPerFrame ( int frame ) #

Sets the update interval for the cube texture used for dynamic reflections.

Arguments

  • int frame - Update interval for the dynamic cube texture. The available values are:
    • 1 - refresh only one face each frame.
    • 2 - refresh 2 faces each frame.
    • 3 - refresh 3 faces each frame.
    • 4 - refresh 4 faces each frame.
    • 5 - refresh 5 faces each frame.
    • 6 - refresh 6 faces each frame.

int getRenderFacesPerFrame ( ) #

Returns the current update interval set for the cube texture used for dynamic reflections.

Return value

Update interval for the dynamic cube texture. The available values are:
  • 1 - refresh only one face each frame.
  • 2 - refresh 2 faces each frame.
  • 3 - refresh 3 faces each frame.
  • 4 - refresh 4 faces each frame.
  • 5 - refresh 5 faces each frame.
  • 6 - refresh 6 faces each frame.

void setResolution ( int resolution ) #

Sets the resolution of the reflection mask in pixels (available only when the Dynamic flag is set to 0).

Arguments

  • int resolution - Resolution of the reflection mask in pixels.

int getResolution ( ) #

Returns the current resolution of the reflection mask in pixels (available only when the Dynamic flag is set to 0).

Return value

Resolution of the reflection mask in pixels.

void setSkyCutout ( int cutout ) #

Enables or disables sky cutout for image grabbing (available only when the Dynamic flag is set to 0).

Arguments

  • int cutout - 1 to enable sky cutout, 0 to disable it. The default value is 0.

int isSkyCutout ( ) #

Returns a value indicating if sky cutout for image grabbing is enabled (available only when the Dynamic flag is set to 0).

Return value

1 if sky cutout for image grabbing is enabled; otherwise, 0.

void setUseSunColor ( int color ) #

Enables or disables sun color modulation for the environment probe (the light of the environment probe changes as the sun color changes). This parameter can be used for outdoor-baked environment probes.

Arguments

  • int color - 1 to enable sun color modulation for the environment probe, 0 to disable it. The default value is 0.

int isUseSunColor ( ) #

Returns a value indicating if sun color modulation for the environment probe is enabled. This parameter can be used for outdoor-baked environment probes.

Return value

1 if sun color modulation for the environment probe is enabled; otherwise, 0.

void setSupersampling ( int supersampling ) #

Enables or disables supersampling for image grabbing (available only when the Dynamic flag is set to 0).

Arguments

  • int supersampling - 1 to enable supersampling, 0 to disable it. The default value is 0.

int getSupersampling ( ) #

Returns a value indicating if supersampling for image grabbing is enabled (available only when the Dynamic flag is set to 0).

Return value

1 if supersampling for image grabbing is enabled; otherwise, 0.

void setZFar ( float zfar ) #

Sets the distance to the far clipping plane for image grabbing (available only when the Dynamic flag is set to 0).

Arguments

  • float zfar - Distance to the far clipping plane.

float getZFar ( ) #

Returns the distance to the far clipping plane used for image grabbing (available only when the Dynamic flag is set to 0).

Return value

Distance to the far clipping plane.

void setZNear ( float znear ) #

Sets the distance to the near clipping plane for image grabbing (available only when the Dynamic flag is set to 0).

Arguments

  • float znear - Distance to the near clipping plane.

float getZNear ( ) #

Returns the distance to the near clipping plane used for image grabbing (available only when the Dynamic flag is set to 0).

Return value

Distance to the near clipping plane.

static int type ( ) #

Returns the type of the node.

Return value

LightEnvironmentProbe type identifier.

void setCutoutByShadow ( int shadow ) #

Returns a value indicating if reflections occluded by obstacles should be clipped or not. This feature uses the depth texture grabbed for the environment probe to determine reflections that should be visible.

Arguments

  • int shadow - 1 to enable clipping of reflections occluded by obstacles, 0 to disable it. The default value is 0.

int isCutoutByShadow ( ) #

Returns a value indicating if clipping of reflections occluded by obstacles is enabled. This feature uses the depth texture grabbed for the environment probe to determine reflections that should be visible.

Return value

1 if clipping of reflections occluded by obstacles is enabled; otherwise, 0.

void setAdditiveBlending ( int blending ) #

Enables or disables additive blending mode for the environment probe. This option offers more flexibility in reflections control. You can use it to blend reflections of several environment probes together and control them separately .

Arguments

  • int blending - 1 to enable additive blending mode for the environment probe, 0 to disable it. The default value is 0.

int isAdditiveBlending ( ) #

Returns a value indicating if additive blending is enabled for the environment probe. This option offers more flexibility in reflections control. You can use it to blend reflections of several environment probes together and control them separately.

Return value

1 if additive blending mode is enabled for the environment probe; otherwise, 0.

void setDynamicCorrectRoughness ( int roughness ) #

Enables one of correction modes for dynamic environment reflections on rough surfaces or disables correction. Correction modes differ in the number of rays used to create a reflection on a rough surface.

Arguments

int getDynamicCorrectRoughness ( ) #

Returns the value indicating the correction mode set for dynamic environment reflections on rough surfaces. Correction modes differ in the number of rays used to create a reflection on a rough surface.

Return value

One of the CORRECT_ROUGHNESS_* modes.
Last update: 25.12.2019
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