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#ifndef __CLIGHTSOURCE_H
00036
#define __CLIGHTSOURCE_H
00037
00038
00039
00041
#include "CV3D.h"
00042
#include "CP3D.h"
00043
#include "GeoGeneric.h"
00044
00045
00046
00048
00049
00055 class CLightSource
00056
00057 {
00058
public:
00059 enum LightStatus {
00060
ON,
00061
OFF
00062 };
00063
00064 enum LightSourceType {
00065
DIRECTIONAL,
00066
POINT,
00067
CONE,
00068
CONE_DIFFUSE
00069 };
00070
00071
00072
00077 CLightSource()
00078 :
m_LightSourceType(
POINT),
00079
m_LightStatus(
ON),
00080
m_Point(
CP3D(0,0,0)),
00081
m_Direction(
CV3D(0,0,-1)),
00082
m_rfIntensity(1.0),
00083
m_rfAngle(180.0),
00084
m_rfExponent(0.0),
00085
m_rfConstantAttenuation(1.0),
00086
m_rfLinearAttenuation(0.0),
00087
m_rfQuadraticAttenuation(0.0)
00088
00089 {
00090
setColor(1.0, 1.0, 1.0);
00091 };
00092
00094
CLightSource(
const CLightSource &);
00095
00097
CLightSource(LightSourceType nType);
00098
00100
CLightSource(
const CV3D &direction,
float rfIntensity=1.0);
00101
00103
CLightSource(
const CP3D &point,
float rfIntensity=1.0);
00104
00106
CLightSource(
const CP3D &point,
const CV3D &direction,
00107
float rfAngle,
float rfIntensity=1.0);
00108
00110
CLightSource(
const CP3D &point,
const CV3D &direction,
float rfAngle,
00111
float rfExponent=50.0,
float rfIntensity=1.0);
00112
00113
00114
00115
00116 virtual ~CLightSource() { ;};
00117
00118
00119
00121 LightSourceType getType()
const {
return m_LightSourceType; };
00122
00124 LightStatus getStatus()
const {
return m_LightStatus; };
00125
00127 const float*
getColor()
const {
return m_arfColor; };
00128
00130 const CP3D &
getPosition()
const {
return m_Point; };
00131
00133
CV3D getDirection(
const CP3D &point)
const;
00134
00136 const CV3D &
getDirection()
const {
return m_Direction; };
00137
00139 CV3D getDirectionToLight()
const {
return -1 *
m_Direction; };
00140
00142 float getIntensity()
const {
return m_rfIntensity; };
00143
00145
float getIntensity(
const CP3D &point)
const;
00146
00150 float getExponent()
const {
return m_rfExponent; };
00151
00153 float getAngle()
const {
return m_rfAngle; };
00154
00156 float getConstantAttenuation()
const {
return m_rfConstantAttenuation; };
00157
00159 float getLinearAttenuation()
const {
return m_rfLinearAttenuation; };
00160
00162 float getQuadraticAttenuation()
const {
return m_rfQuadraticAttenuation; };
00163
00165 void setType(LightSourceType nType) {
m_LightSourceType = nType; };
00166
00168 int setStatus(LightStatus status) {
m_LightStatus = status;
return 1; };
00169
00171
int setPosition(
const CP3D &point);
00172
00174
int setDirection(
const CV3D &direction);
00175
00177
int setAngle(
float rfAngle);
00178
00182
int setExponent(
float rfExponent);
00183
00185
int setIntensity(
float rfIntensity);
00186
00188
void setColor(
float rfRed,
float rfGreen,
float rfBlue);
00189
00191 void setConstantAttenuation(
float rfValue) {
m_rfConstantAttenuation = rfValue; };
00192
00194 void setLinearAttenuation(
float rfValue) {
m_rfLinearAttenuation = rfValue; };
00195
00197 void setQuadraticAttenuation(
float rfValue) {
m_rfQuadraticAttenuation = rfValue; };
00198
00199
protected:
00200
00201
00202
private:
00203
00204 LightSourceType m_LightSourceType;
00205 LightStatus m_LightStatus;
00206
00207 CP3D m_Point;
00208 CV3D m_Direction;
00209
00210 float m_arfColor[3];
00211 float m_rfIntensity;
00212 float m_rfAngle;
00213 float m_rfExponent;
00214 float m_rfConstantAttenuation;
00215 float m_rfLinearAttenuation;
00216 float m_rfQuadraticAttenuation;
00217 };
00218
#endif