GouraudShader Class Reference

#include <GouraudShader.h>

Inherits Colorizer.

Public Member Functions
	GouraudShader (Vector< 4 > light, Vector< 4 > viewer)
Color	calculateColor (int fromSideFirstIndex, int fromSideSecondIndex, double lambda, int toSideFirstIndex, int toSideSecondIndex, double rho, double tau)
virtual void	setTriangle (Triangle *triangle)

Private Attributes
double	intensities [3]
Vector< 4 >	light
Vector< 4 >	viewer

Detailed Description

A GouraudShader

Constructor & Destructor Documentation

GouraudShader()

GouraudShader::GouraudShader	(	Vector< 4 >	light,
		Vector< 4 >	viewer
	)

Explicit Value Constructor.

Parameters

light	The location of the light source (not the direction vector)
viewer	The location of the viewer (not the direction vector)

Member Function Documentation

calculateColor()

Color GouraudShader::calculateColor	(	int	fromSideFirstIndex,
		int	fromSideSecondIndex,
		double	lambda,
		int	toSideFirstIndex,
		int	toSideSecondIndex,
		double	rho,
		double	tau
	)

Calculate the Color of a pixel.

Parameters

fromSideFirstIndex	The first index of the from side
fromSideSecondIndex	The second index of the from side
lambda	The weight for the from side
toSideFirstIndex	The first index of the to side
toSideSecondIndex	The second index of the to side
rho	The weight for the to side
tau	The side-to-side weight

Returns

The Color

setTriangle()

void GouraudShader::setTriangle ( Triangle *  triangle )

virtual

Set the Triangle.

Parameters

triangle

A pointer to the Triangle to use

Member Data Documentation

intensities

double GouraudShader::intensities[3]

private

The intensities of the red, green and blue channels.

light

Vector<4> GouraudShader::light

private

The light direction.

viewer

Vector<4> GouraudShader::viewer

private

The viewer direction.

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

• GouraudShader.h
• GouraudShader.cpp