最終更新: mikk_ni3_92 2007年12月16日(日) 15:57:52履歴
現在地 >> メニュー >> サンプルコード::OpenGL >> 光源の各種設定
#include <GL/glut.h>
#include <GL/glu.h>
#include <GL/gl.h>
#include <iostream>
enum{NONE = 0,AMB,SPEC,DIFF};
void display();
void reshape(int w, int h);
void timer(int value);
void menu(int val);
using namespace std;
/*******************[OpenGLの初期設定]************************/
inline void GLUT_INIT()
{
glutInitDisplayMode(GLUT_RGBA| GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowSize(200,200);
}
inline void GLUT_CALL_FUNC()
{
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutTimerFunc(1,timer,0);
}
inline void GLUT_SET_MENU()
{
glutCreateMenu(menu);
glutAddMenuEntry("AMB", AMB);
glutAddMenuEntry("SPEC", SPEC);
glutAddMenuEntry("DIFF", DIFF);
glutAddMenuEntry("NONE", NONE);
glutAttachMenu(GLUT_RIGHT_BUTTON);
}
/*********[光源のデフォルト]***********/
GLfloat light0_pos[] = { 3.0, 4.0, 5.0, 1.0 };
GLfloat amb_default[] = {0.0, 0.0, 0.0, 1.0};
GLfloat diff_default[] = {1.0, 1.0, 1.0, 1.0};
GLfloat spec_default[] = {1.0, 1.0, 1.0, 1.0};
inline void MY_INIT()
{
glClearColor(0.0, 0.0, 0.0, 1.0);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, light0_pos);
glLightfv(GL_LIGHT0, GL_AMBIENT, amb_default);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diff_default);
glLightfv(GL_LIGHT0, GL_SPECULAR, spec_default);
}
int main(int argc, char **argv)
{
glutInit(&argc,argv);
GLUT_INIT();
glutCreateWindow("window name");
GLUT_CALL_FUNC();
GLUT_SET_MENU();
MY_INIT();
glutMainLoop();
return 0;
}
/**************[ここから、各種コールバック]************/
void display()
{
static int r = 0;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
gluLookAt(3.0, 4.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
glEnable(GL_DEPTH_TEST);
glPushMatrix();
glRotated((double)r, 0.0, 1.0, 0.0);
glutSolidSphere(1,60,60);
glPopMatrix();
glDisable(GL_DEPTH_TEST);
glutSwapBuffers();
r = r + 1;
if(r > 360)
{
r= 0;
}
}
void reshape(int w, int h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(30.0, (double)w / (double)h, 1.0, 100.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void timer(int value)
{
glutPostRedisplay();
glutTimerFunc(1,timer,0);
}
GLfloat light0_ambient[] = {0.0, 0.0, 1.0, 1.0};
GLfloat light0_specular[] = {0.0, 1.0, 0.0, 1.0};
GLfloat light0_diffuse[] = {1.0, 0.0, 0.0, 1.0};
void menu(int val)
{
switch(val)
{
case NONE:
glLightfv(GL_LIGHT0, GL_AMBIENT, amb_default);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diff_default);
glLightfv(GL_LIGHT0, GL_SPECULAR, spec_default);
break;
case AMB:
glLightfv(GL_LIGHT0, GL_AMBIENT, light0_ambient);
break;
case SPEC:
glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular);
break;
case DIFF:
glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
break;
}
}
#include <GL/glut.h>
#include <GL/glu.h>
#include <GL/gl.h>
#include <iostream>
enum{NONE = 0,AMB,SPEC,DIFF};
void display();
void reshape(int w, int h);
void timer(int value);
void menu(int val);
using namespace std;
/*******************[OpenGLの初期設定]************************/
inline void GLUT_INIT()
{
glutInitDisplayMode(GLUT_RGBA| GLUT_DOUBLE | GLUT_DEPTH);
glutInitWindowSize(200,200);
}
inline void GLUT_CALL_FUNC()
{
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutTimerFunc(1,timer,0);
}
inline void GLUT_SET_MENU()
{
glutCreateMenu(menu);
glutAddMenuEntry("AMB", AMB);
glutAddMenuEntry("SPEC", SPEC);
glutAddMenuEntry("DIFF", DIFF);
glutAddMenuEntry("NONE", NONE);
glutAttachMenu(GLUT_RIGHT_BUTTON);
}
/*********[光源のデフォルト]***********/
GLfloat light0_pos[] = { 3.0, 4.0, 5.0, 1.0 };
GLfloat amb_default[] = {0.0, 0.0, 0.0, 1.0};
GLfloat diff_default[] = {1.0, 1.0, 1.0, 1.0};
GLfloat spec_default[] = {1.0, 1.0, 1.0, 1.0};
inline void MY_INIT()
{
glClearColor(0.0, 0.0, 0.0, 1.0);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glLightfv(GL_LIGHT0, GL_POSITION, light0_pos);
glLightfv(GL_LIGHT0, GL_AMBIENT, amb_default);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diff_default);
glLightfv(GL_LIGHT0, GL_SPECULAR, spec_default);
}
int main(int argc, char **argv)
{
glutInit(&argc,argv);
GLUT_INIT();
glutCreateWindow("window name");
GLUT_CALL_FUNC();
GLUT_SET_MENU();
MY_INIT();
glutMainLoop();
return 0;
}
/**************[ここから、各種コールバック]************/
void display()
{
static int r = 0;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
gluLookAt(3.0, 4.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
glEnable(GL_DEPTH_TEST);
glPushMatrix();
glRotated((double)r, 0.0, 1.0, 0.0);
glutSolidSphere(1,60,60);
glPopMatrix();
glDisable(GL_DEPTH_TEST);
glutSwapBuffers();
r = r + 1;
if(r > 360)
{
r= 0;
}
}
void reshape(int w, int h)
{
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(30.0, (double)w / (double)h, 1.0, 100.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
}
void timer(int value)
{
glutPostRedisplay();
glutTimerFunc(1,timer,0);
}
GLfloat light0_ambient[] = {0.0, 0.0, 1.0, 1.0};
GLfloat light0_specular[] = {0.0, 1.0, 0.0, 1.0};
GLfloat light0_diffuse[] = {1.0, 0.0, 0.0, 1.0};
void menu(int val)
{
switch(val)
{
case NONE:
glLightfv(GL_LIGHT0, GL_AMBIENT, amb_default);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diff_default);
glLightfv(GL_LIGHT0, GL_SPECULAR, spec_default);
break;
case AMB:
glLightfv(GL_LIGHT0, GL_AMBIENT, light0_ambient);
break;
case SPEC:
glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular);
break;
case DIFF:
glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse);
break;
}
}