RefractiveShader Class Reference

#include <RefractiveShader.h>

Inherits Shader.

Inheritance diagram for RefractiveShader:

[legend]Collaboration diagram for RefractiveShader:

[legend]List of all members.

Public Member Functions
	RefractiveShader (Scene *scene, const RGBAColor &color, float refractionIdx)
RGBAColor	shade (const Ray &ray) const
Private Attributes
RGBAColor	mColor
	Material color, alpha channel gives shading coefficient per 1 length unit.
float	mRefractionIndex
	Refraction index of the material.
float	mInvRefractionIndex
	Inverted refraction index of the material.

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Detailed Description

Colored refractive transparency with Fresnel term and total internal reflection. Refraction index of surrounding world is assumed to be 1.

Author:

Alex Busenius

Definition at line 17 of file RefractiveShader.h.

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Constructor & Destructor Documentation

RefractiveShader::RefractiveShader	(	Scene *	scene,
		const RGBAColor &	color,
		float	refractionIdx
	)

Constructor. Alpha channel of material color gives shading coefficient per 1 length unit

Parameters:

	scene	Pointer to the scene
	color	Material color
	refractionIdx	Refraction index of material, should be in range [0.01, 10]

Definition at line 13 of file RefractiveShader.cpp.

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Member Function Documentation

RGBAColor RefractiveShader::shade

(

const Ray &

ray

)

const [inline, virtual]

Trace through the object and refract the ray according to Fresnel's and Snell's laws

Implements Shader.

Definition at line 32 of file RefractiveShader.h.

References RGBAColor::a(), Ray::dir(), Vec3f::dot(), EPSILON, Ray::hit(), Ray::hitPoint(), Ray::influence(), Ray::init(), lerp(), MAX_RECURSION_DEEP, mColor, MIN_INFLUENCE, mInvRefractionIndex, mRefractionIndex, Shader::mScene, Shader::normal(), Ray::obj(), Scene::rayTrace(), Ray::recDeep(), RGBAColor::rgb(), Ray::t(), and Ray::updateInfluence().

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Member Data Documentation

RGBAColor RefractiveShader::mColor [private]

Material color, alpha channel gives shading coefficient per 1 length unit.

Definition at line 122 of file RefractiveShader.h.

Referenced by shade().

float RefractiveShader::mRefractionIndex [private]

Refraction index of the material.

Definition at line 125 of file RefractiveShader.h.

Referenced by shade().

float RefractiveShader::mInvRefractionIndex [private]

Inverted refraction index of the material.

Definition at line 128 of file RefractiveShader.h.

Referenced by shade().

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The documentation for this class was generated from the following files:

• src/RefractiveShader.h
• src/RefractiveShader.cpp

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