javax.media.j3d
Class Material

java.lang.Object
  extended by javax.media.j3d.SceneGraphObject
      extended by javax.media.j3d.NodeComponent
          extended by javax.media.j3d.Material

public class Material
extends NodeComponent

The Material object defines the appearance of an object under illumination. If the Material object in an Appearance object is null, lighting is disabled for all nodes that use that Appearance object.

The properties that can be set for a Material object are:

The Material object also enables or disables lighting.


Field Summary
static int ALLOW_COMPONENT_READ
          For material object, specifies that Material allows reading individual component field information.
static int ALLOW_COMPONENT_WRITE
          For material object, specifies that Material allows reading individual component field information.
static int AMBIENT
          Specifies that per-vertex colors replace the ambient material color.
static int AMBIENT_AND_DIFFUSE
          Specifies that per-vertex colors replace both the ambient and the diffuse material color.
static int DIFFUSE
          Specifies that per-vertex colors replace the diffuse material color.
static int EMISSIVE
          Specifies that per-vertex colors replace the emissive material color.
static int SPECULAR
          Specifies that per-vertex colors replace the specular material color.
 
Constructor Summary
Material()
          Constructs and initializes a Material object using default parameters.
Material(Color3f ambientColor, Color3f emissiveColor, Color3f diffuseColor, Color3f specularColor, float shininess)
          Constructs and initializes a new material object using the specified parameters.
 
Method Summary
 NodeComponent cloneNodeComponent()
          Deprecated. replaced with cloneNodeComponent(boolean forceDuplicate)
 void getAmbientColor(Color3f color)
          Retrieves this material's ambient color.
 int getColorTarget()
          Retrieves the current color target for this material.
 void getDiffuseColor(Color3f color)
          Retrieves this material's diffuse color.
 void getEmissiveColor(Color3f color)
          Retrieves this material's emissive color and stores it in the argument provided.
 boolean getLightingEnable()
          Retrieves the state of the lighting enable flag.
 float getShininess()
          Retrieves this material's shininess.
 void getSpecularColor(Color3f color)
          Retrieves this material's specular color.
 void setAmbientColor(Color3f color)
          Sets this material's ambient color.
 void setAmbientColor(float r, float g, float b)
          Sets this material's ambient color.
 void setColorTarget(int colorTarget)
          Sets the color target for per-vertex colors.
 void setDiffuseColor(Color3f color)
          Sets this material's diffuse color.
 void setDiffuseColor(float r, float g, float b)
          Sets this material's diffuse color.
 void setDiffuseColor(float r, float g, float b, float a)
          Sets this material's diffuse color plus alpha.
 void setEmissiveColor(Color3f color)
          Sets this material's emissive color.
 void setEmissiveColor(float r, float g, float b)
          Sets this material's emissive color.
 void setLightingEnable(boolean state)
          Enables or disables lighting for this appearance component object.
 void setShininess(float shininess)
          Sets this material's shininess.
 void setSpecularColor(Color3f color)
          Sets this material's specular color.
 void setSpecularColor(float r, float g, float b)
          Sets this material's specular color.
 java.lang.String toString()
          Returns a String representation of this Materials values.
 
Methods inherited from class javax.media.j3d.NodeComponent
cloneNodeComponent, duplicateNodeComponent, duplicateNodeComponent, getDuplicateOnCloneTree, setDuplicateOnCloneTree
 
Methods inherited from class javax.media.j3d.SceneGraphObject
clearCapability, clearCapabilityIsFrequent, duplicateSceneGraphObject, getCapability, getCapabilityIsFrequent, getUserData, isCompiled, isLive, setCapability, setCapabilityIsFrequent, setUserData, updateNodeReferences
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

ALLOW_COMPONENT_READ

public static final int ALLOW_COMPONENT_READ
For material object, specifies that Material allows reading individual component field information.

See Also:
Constant Field Values

ALLOW_COMPONENT_WRITE

public static final int ALLOW_COMPONENT_WRITE
For material object, specifies that Material allows reading individual component field information.

See Also:
Constant Field Values

AMBIENT

public static final int AMBIENT
Specifies that per-vertex colors replace the ambient material color.

Since:
Java 3D 1.3
See Also:
setColorTarget(int), Constant Field Values

EMISSIVE

public static final int EMISSIVE
Specifies that per-vertex colors replace the emissive material color.

Since:
Java 3D 1.3
See Also:
setColorTarget(int), Constant Field Values

DIFFUSE

public static final int DIFFUSE
Specifies that per-vertex colors replace the diffuse material color. This is the default target.

Since:
Java 3D 1.3
See Also:
setColorTarget(int), Constant Field Values

SPECULAR

public static final int SPECULAR
Specifies that per-vertex colors replace the specular material color.

Since:
Java 3D 1.3
See Also:
setColorTarget(int), Constant Field Values

AMBIENT_AND_DIFFUSE

public static final int AMBIENT_AND_DIFFUSE
Specifies that per-vertex colors replace both the ambient and the diffuse material color.

Since:
Java 3D 1.3
See Also:
setColorTarget(int), Constant Field Values
Constructor Detail

Material

public Material()
Constructs and initializes a Material object using default parameters. The default values are as follows:


Material

public Material(Color3f ambientColor,
                Color3f emissiveColor,
                Color3f diffuseColor,
                Color3f specularColor,
                float shininess)
Constructs and initializes a new material object using the specified parameters. Lighting is enabled by default.

Parameters:
ambientColor - the material's ambient color
emissiveColor - the material's emissive color
diffuseColor - the material's diffuse color when illuminated by a light
specularColor - the material's specular color when illuminated to generate a highlight
shininess - the material's shininess in the range [1.0, 128.0] with 1.0 being not shiny and 128.0 being very shiny. Values outside this range are clamped.
Method Detail

setAmbientColor

public void setAmbientColor(Color3f color)
Sets this material's ambient color. This specifies how much ambient light is reflected by the surface. The ambient color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is either AMBIENT or AMBIENT_AND_DIFFUSE, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's ambient color in the lighting equation.

Parameters:
color - the material's ambient color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

setAmbientColor

public void setAmbientColor(float r,
                            float g,
                            float b)
Sets this material's ambient color. This specifies how much ambient light is reflected by the surface. The ambient color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is either AMBIENT or AMBIENT_AND_DIFFUSE, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's ambient color in the lighting equation.

Parameters:
r - the new ambient color's red component
g - the new ambient color's green component
b - the new ambient color's blue component
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

getAmbientColor

public void getAmbientColor(Color3f color)
Retrieves this material's ambient color.

Parameters:
color - that will contain the material's ambient color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

setEmissiveColor

public void setEmissiveColor(Color3f color)
Sets this material's emissive color. This is the color of light, if any, that the material emits. The emissive color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is EMISSIVE, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's emissive color in the lighting equation.

Parameters:
color - the new emissive color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

setEmissiveColor

public void setEmissiveColor(float r,
                             float g,
                             float b)
Sets this material's emissive color. This is the color of light, if any, that the material emits. The emissive color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is EMISSIVE, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's emissive color in the lighting equation.

Parameters:
r - the new emissive color's red component
g - the new emissive color's green component
b - the new emissive color's blue component
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

getEmissiveColor

public void getEmissiveColor(Color3f color)
Retrieves this material's emissive color and stores it in the argument provided.

Parameters:
color - the vector that will receive this material's emissive color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

setDiffuseColor

public void setDiffuseColor(Color3f color)
Sets this material's diffuse color. This is the color of the material when illuminated by a light source. The diffuse color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is either DIFFUSE or AMBIENT_AND_DIFFUSE, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's diffuse color in the lighting equation.

Parameters:
color - the new diffuse color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

setDiffuseColor

public void setDiffuseColor(float r,
                            float g,
                            float b)
Sets this material's diffuse color. This is the color of the material when illuminated by a light source. The diffuse color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is either DIFFUSE or AMBIENT_AND_DIFFUSE, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's diffuse color in the lighting equation.

Parameters:
r - the new diffuse color's red component
g - the new diffuse color's green component
b - the new diffuse color's blue component
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

setDiffuseColor

public void setDiffuseColor(float r,
                            float g,
                            float b,
                            float a)
Sets this material's diffuse color plus alpha. This is the color of the material when illuminated by a light source. The diffuse color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is either DIFFUSE or AMBIENT_AND_DIFFUSE, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's diffuse color in the lighting equation.

Parameters:
r - the new diffuse color's red component
g - the new diffuse color's green component
b - the new diffuse color's blue component
a - the alpha component used to set transparency
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

getDiffuseColor

public void getDiffuseColor(Color3f color)
Retrieves this material's diffuse color.

Parameters:
color - the vector that will receive this material's diffuse color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

setSpecularColor

public void setSpecularColor(Color3f color)
Sets this material's specular color. This is the specular highlight color of the material. The specular color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is SPECULAR, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's specular color in the lighting equation.

Parameters:
color - the new specular color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

setSpecularColor

public void setSpecularColor(float r,
                             float g,
                             float b)
Sets this material's specular color. This is the specular highlight color of the material. The specular color in this Material object may be overridden by per-vertex colors in some cases. If vertex colors are present in the geometry, and lighting is enabled, and the colorTarget is SPECULAR, and vertex colors are not being ignored, then the vertex colors are used in place of this Material's specular color in the lighting equation.

Parameters:
r - the new specular color's red component
g - the new specular color's green component
b - the new specular color's blue component
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), setColorTarget(int)

getSpecularColor

public void getSpecularColor(Color3f color)
Retrieves this material's specular color.

Parameters:
color - the vector that will receive this material's specular color
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

setShininess

public void setShininess(float shininess)
Sets this material's shininess. This specifies a material specular scattering exponent, or shininess. It takes a floating point number in the range [1.0, 128.0] with 1.0 being not shiny and 128.0 being very shiny. Values outside this range are clamped.

Parameters:
shininess - the material's shininess
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

getShininess

public float getShininess()
Retrieves this material's shininess.

Returns:
the material's shininess
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

setLightingEnable

public void setLightingEnable(boolean state)
Enables or disables lighting for this appearance component object.

Parameters:
state - true or false to enable or disable lighting
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

getLightingEnable

public boolean getLightingEnable()
Retrieves the state of the lighting enable flag.

Returns:
true if lighting is enabled, false if lighting is disabled
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph

setColorTarget

public void setColorTarget(int colorTarget)
Sets the color target for per-vertex colors. When lighting is enabled and per-vertex colors are present (and not ignored) in the geometry for a given Shape3D node, those per-vertex colors are used in place of the specified material color(s) for this Material object. The color target is ignored when lighting is disabled or when per-vertex colors are not used. The ColorInterpolator behavior also uses the color target to determine which color in the associated Material is modified. The default target is DIFFUSE.

Parameters:
colorTarget - one of: AMBIENT, EMISSIVE, DIFFUSE, SPECULAR, or AMBIENT_AND_DIFFUSE.
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
Since:
Java 3D 1.3
See Also:
RenderingAttributes.setIgnoreVertexColors(boolean), ColorInterpolator

getColorTarget

public int getColorTarget()
Retrieves the current color target for this material.

Returns:
one of: AMBIENT, EMISSIVE, DIFFUSE, SPECULAR, or AMBIENT_AND_DIFFUSE.
Throws:
CapabilityNotSetException - if appropriate capability is not set and this object is part of live or compiled scene graph
Since:
Java 3D 1.3

toString

public java.lang.String toString()
Returns a String representation of this Materials values. If the scene graph is live only those values with their Capability read bit set will be displayed.

Overrides:
toString in class java.lang.Object

cloneNodeComponent

public NodeComponent cloneNodeComponent()
Deprecated. replaced with cloneNodeComponent(boolean forceDuplicate)

Overrides:
cloneNodeComponent in class NodeComponent