Develop
2003.04.23 10:55
[c] OpenGL 색 입방체의 회전(입체)
Views 7897 Comment 0
p.158 ~ p.170, (소스 파일 p. 602)
#include<stdlib.h>
#include<GL/glut.h>
GLfloat vertices[][3] = {
{-1.0, -1.0, -1.0}, {1.0, -1.0, -1.0},
{1.0, 1.0, -1.0}, {-1.0, 1.0, -1.0}, {-1.0, -1.0, 1.0},
{1.0, -1.0, 1.0}, {1.0, 1.0, 1.0}, {-1.0, 1.0, 1.0}
};
GLfloat normals[][3] = {
{-1.0, -1.0, -1.0}, {1.0, -1.0, -1.0},
{1.0, 1.0, -1.0}, {-1.0, 1.0, -1.0}, {-1.0, -1.0, 1.0},
{1.0, -1.0, 1.0}, {1.0, 1.0, 1.0}, {-1.0, 1.0, 1.0}
};
GLfloat colors[][3] = {
{0.0, 0.0, 0.0}, {1.0, 0.0, 0.0},
{1.0, 1.0, 0.0}, {0.0, 1.1, 0.0}, {0.0, 0.0, 1.0},
{1.0, 0.0, 1.0}, {1.0, 1.0, 1.0}, {0.0, 1.0, 1.0}
};
void polygon(int a, int b, int c, int d){
glBegin(GL_POLYGON);
glColor3fv(colors[a]);
glNormal3fv(normals[a]);
glVertex3fv(vertices[a]);
glColor3fv(colors[b]);
glNormal3fv(normals[b]);
glVertex3fv(vertices[b]);
glColor3fv(colors[c]);
glNormal3fv(normals[c]);
glVertex3fv(vertices[c]);
glColor3fv(colors[d]);
glNormal3fv(normals[d]);
glVertex3fv(vertices[d]);
glEnd();
}
void colorcube(void){
polygon(0, 3, 2, 1);
polygon(2, 3, 7, 6);
polygon(0, 4, 7, 3);
polygon(1, 2, 6, 5);
polygon(4, 5, 6, 7);
polygon(0, 1, 5, 4);
}
static GLfloat theta[] = {0.0, 0.0, 0.0};
static GLint axis = 2;
void display(void){
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glLoadIdentity();
glRotatef(theta[0], 1.0, 0.0, 0.0);
glRotatef(theta[1], 0.0, 1.0, 0.0);
glRotatef(theta[2], 0.0, 0.0, 1.0);
colorcube();
glFlush();
glutSwapBuffers();
}
void spinCube(){
theta[axis] += 2.0;
if(theta[axis]>360.0) theta[axis] -= 360.0;
glutPostRedisplay();
}
void mouse(int btn, int state, int x, int y){
if(btn==GLUT_LEFT_BUTTON && state==GLUT_DOWN) axis = 0;
if(btn==GLUT_MIDDLE_BUTTON && state==GLUT_DOWN) axis = 1;
if(btn==GLUT_RIGHT_BUTTON && state==GLUT_DOWN) axis = 2;
}
void myReshape(int w, int h){
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if(w<=h)
glOrtho(-2.0, 2.0, -2.0 * (GLfloat)h / (GLfloat)w, 2.0 * (GLfloat)h / (GLfloat)w, -10.0, 10.0);
else
glOrtho(-2.0 * (GLfloat)w / (GLfloat)h, 2.0 * (GLfloat)w / (GLfloat)h, -2.0, 2.0, -10.0, 10.0);
glMatrixMode(GL_MODELVIEW);
}
void main(int argc, char **argv){
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
glutInitWindowSize(500, 500);
glutCreateWindow("colorcube");
glutReshapeFunc(myReshape);
glutDisplayFunc(display);
glutIdleFunc(spinCube);
glutMouseFunc(mouse);
glEnable(GL_DEPTH_TEST);
glutMainLoop();
}
No. | Category | Subject | Author | Date | Views |
---|---|---|---|---|---|
645 | Develop | [java] 마우스 버튼 테스트.. swing.. | hooni | 2013.04.23 | 7906 |
644 | Develop | [java] 날짜 계산 (Date, SimpleDateFormat) | hooni | 2013.04.23 | 11873 |
643 | Develop | [java] 그래픽(도형,다각형..) 이동,확대,축소,회전에 대한 내용.. 1 | hooni | 2013.04.23 | 8658 |
642 | Develop | [java] 거스름돈 계산.. swing 사용 | hooni | 2013.04.23 | 9464 |
641 | System/OS | [java] Tomcat/UTF-8 or All 지원 ㅎㅎ | hooni | 2013.04.23 | 16832 |
640 | Develop | [java] Sieve of Eratosthenes (에라토스테네스의 체) | hooni | 2013.04.23 | 9348 |
639 | Develop | [java] RGB코드를 HEX코드로 변환하는 코드 ㅎㅎ | hooni | 2013.04.23 | 8028 |
638 | Develop | [java] RGB 색상 조절 버튼.. 스윙(swing) | hooni | 2013.04.23 | 7869 |
637 | Develop | [java] netty (비동기 이벤트 방식 네트워크 프레임워크) 사용법 #2 (client) | hooni | 2015.01.02 | 2130 |
636 | Develop | [java] netty (비동기 이벤트 방식 네트워크 프레임워크) 사용법 #1 (server) 1 | hooni | 2015.01.02 | 2322 |
635 | Develop | [java] Interface 와 abstract | hooni | 2013.04.23 | 8731 |
634 | Develop | [Javascript][Ajax] 자바스크립트 강의 산출물 | hooni | 2019.10.05 | 804 |