[CG] 10/07 실습
#include <GL/glut.h>
//p1
void MyDisplay() {
//glClearColor(1.0f, 1.0f, 0.0f, 1.0f);
glClearColor(1.0, 1.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glColor4f(1.0, 0.0, 0.0, 1.0);
glBegin(GL_POLYGON);
glVertex2f(-0.5, -0.5);
glVertex2f(-0.5, 0.5);
glVertex2f(0.5, 0.5);
glVertex2f(0.5, -0.5);
glEnd();
glFlush(); }
int main(int argc, char **argv) {
glutInit(&argc, argv);
//glutInitDisplayMode(GLUT_RGBA | GLUT_SINGLE);
glutInitDisplayMode(GLUT_RGBA);
glutInitWindowSize(300, 300);
glutCreateWindow("Sample GL Window");
glutDisplayFunc(MyDisplay);
glutMainLoop();
return 0;
}
//p2
/*
void MyDisplay() {
glClearColor(1.0f, 1.0f, 0.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
glColor4f(1.0, 0.0, 0.0, 1.0);
glBegin(GL_TRIANGLES);
glVertex3f(-0.5, -0.5, 0.0);
glVertex3f(0.5, -0.5, 0.0);
glVertex3f(0.0, 0.5, 0.0);
glEnd();
glFlush(); }
int main(int argc, char **argv) {
glutInit(&argc, argv);
//glutInitDisplayMode(GLUT_RGBA | GLUT_SINGLE);
glutInitDisplayMode(GLUT_RGBA);
glutInitWindowSize(400, 300);
glutCreateWindow("Sample GL Window");
glutDisplayFunc(MyDisplay);
glutMainLoop();
return 0;
}*/
//p3
/*
void init() {
glClearColor(1.0f, 1.0f, 0.0f, 1.0f);
glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT);
glColor4f(1.0, 0.0, 0.0, 1.0); }
void MyDisplay() {
glBegin(GL_TRIANGLES);
glVertex3f(-0.5, -0.5, 0.0);
glVertex3f(0.5, -0.5, 0.0);
glVertex3f(0.0, 0.5, 0.0);
glEnd();
glFlush();}
int main(int argc, char** argv){
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGBA|GLUT_SINGLE);
glutInitWindowSize(400,300);
glutCreateWindow("Sample GL Window");
glutDisplayFunc(MyDisplay);
init();
glutMainLoop();
return 0;
}*/
//p4
/*
void MyDisplay() {
glClear(GL_COLOR_BUFFER_BIT);
//glClear(GL_DEPTH_BUFFER_BIT|GL_COLOR_BUFFER_BIT);
glClearColor(1.0f, 1.0f, 0.0f, 1.0f);
GLfloat p[6][3] = {{0.3, -0.5, 0.0}, {0.5, 0.0, 0.0}, {0.4, 0.4, 0}, {-0.3, 0.5, 0.0}, {-0.5, 0.0, 0}, {-0.3, -0.5, 0}};
glColor3f(1.0, 0.0, 0.0); //glColor4f(1.0, 0.0, 0.0, 1.0);
glBegin(GL_LINES);
glVertex3fv(p[0]); glVertex3fv(p[1]); glVertex3fv(p[2]);
glVertex3fv(p[3]); glVertex3fv(p[4]); glVertex3fv(p[5]);
glEnd();
glFlush(); }
int main(int argc, char **argv) {
glutInit(&argc, argv);
//glutInitDisplayMode(GLUT_RGBA | GLUT_SINGLE);
glutInitWindowSize(400, 300);
glutCreateWindow("OpenGL Hello World!");
glutDisplayFunc(MyDisplay);
glutMainLoop();
return 0;
}
*/