一個茶壺的誕生
叫出OpenGL Utility Kit預設的茶壺圖案。程式碼:
#include <GL/glut.h>
void display()
{
glutSolidTeapot( 0.3 );
glutSwapBuffers();
}
int main(int argc, char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week03");
glutDisplayFunc(display);
glutMainLoop();
}
漸層色
還可以畫線ㄛ
程式碼:
#include <GL/glut.h>
void display()
{
glBegin(GL_POLYGON);//畫線改成GL_LINE_LOOP
glColor3f(1,0,0);
glVertex2f(1,0);
glColor3f(0,1,0);
glVertex2f(-1,1);
glColor3f(0,0,1);
glVertex2f(-1,-1);
glEnd();
glutSwapBuffers();
}
int main(int argc, char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week03");
glutDisplayFunc(display);
glutMainLoop();
}




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