gov.nasa.worldwind.render
Class BasicLightingModel

java.lang.Object
  gov.nasa.worldwind.render.BasicLightingModel

All Implemented Interfaces:

LightingModel

public class BasicLightingModel
extends Object
implements LightingModel

Provides a simple lighting model with one light. This model uses only OpenGL light 0.

Field Summary

protected long	frameID
protected Vec4	lightDirection
protected OGLStackHandler	lightingStackHandler
protected Material	lightMaterial

Constructor Summary

BasicLightingModel()

Method Summary

protected void	apply(DrawContext dc)
protected void	applyStandardLightDirection(GL2 gl, int light, Vec4 direction)
protected static void	applyStandardLightMaterial(GL2 gl, int light, Material material)
protected void	applyStandardLightModel(GL2 gl)
protected void	applyStandardShadeModel(GL2 gl)
void	beginLighting(DrawContext dc) Initializes the OpenGL state necessary to effect the lighting model.
void	endLighting(DrawContext dc) Restores state set by LightingModel.beginLighting(DrawContext) to its original state.
Vec4	getLightDirection() Returns the model's light direction.
Material	getLightMaterial() Returns the model's light material.
void	setLightDirection(Vec4 lightDirection) Specifies the model's light direction.
void	setLightMaterial(Material lightMaterial) Specifies the model's light direction.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

frameID

protected long frameID

lightDirection

protected Vec4 lightDirection

lightingStackHandler

protected OGLStackHandler lightingStackHandler

lightMaterial

protected Material lightMaterial

Constructor Detail

BasicLightingModel

public BasicLightingModel()

Method Detail

apply

protected void apply(DrawContext dc)

applyStandardLightDirection

protected void applyStandardLightDirection(GL2 gl,
                                           int light,
                                           Vec4 direction)

applyStandardLightMaterial

protected static void applyStandardLightMaterial(GL2 gl,
                                                 int light,
                                                 Material material)

applyStandardLightModel

protected void applyStandardLightModel(GL2 gl)

applyStandardShadeModel

protected void applyStandardShadeModel(GL2 gl)

beginLighting

public void beginLighting(DrawContext dc)

Description copied from interface: LightingModel

Initializes the OpenGL state necessary to effect the lighting model.

Specified by:

beginLighting in interface LightingModel

Parameters:

dc - the current draw context.

See Also:

DrawContext.setStandardLightingModel(LightingModel), DrawContext.endStandardLighting()

endLighting

public void endLighting(DrawContext dc)

Description copied from interface: LightingModel

Restores state set by LightingModel.beginLighting(DrawContext) to its original state.

Specified by:

endLighting in interface LightingModel

Parameters:

dc - the current draw context.

getLightDirection

public Vec4 getLightDirection()

Returns the model's light direction.

Returns:

the model's light direction.

getLightMaterial

public Material getLightMaterial()

Returns the model's light material.

Returns:

the model's light material.

setLightDirection

public void setLightDirection(Vec4 lightDirection)

Specifies the model's light direction.

Parameters:

lightDirection - the model's light direction.

Throws:

IllegalArgumentException - if the light direction is null.

setLightMaterial

public void setLightMaterial(Material lightMaterial)

Specifies the model's light direction.

Parameters:

lightMaterial - the model's light material.

Throws:

IllegalArgumentException - if the light material is null.