glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1.0f, 1.0f, 1.0f);
//glOrtho(0.0f, 1.0f, 0.0f, 1.0f, -1.0f, 1.0f);
glBegin(GL_POLYGON);
glVertex3f(0.25f, 0.25f, 0.0f);
glVertex3f(0.75f, 0.75f, 0.0f);
glVertex3f(0.75f, 0.75f, 0.0f);
glVertex3f(0.25f, 0.25f, 0.0f);
glEnd();
glFlush();
Shouldn’t my rectangle white? but why is it showing nothing?
This isn’t working either.
glColor3f(0.0f, 1.0f, 0.0f);
glVertex3f(0.25f, 0.25f, 0.0f);
glColor3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.75f, 0.75f, 0.0f);
glColor3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.75f, 0.75f, 0.0f);
glColor3f(1.0f, 1.0f, 0.0f);
glVertex3f(0.25f, 0.25f, 0.0f);
Also, Windows’ opengl32.dll is OpenGL 1.1, right? So when I include gl.h, i’m using OpenGL 1.1, am I correct?