SMOOTH.C
Smooth shading для треугольника.
#include <windows.h>
//SMOOTH.C
#include <GL/gl.h>
#include <GL/glu.h>
#include <GL/glaux.h>
void myinit(void);
void triangle(void);
void CALLBACK display(void);
void CALLBACK myReshape(GLsizei w, GLsizei h);
void myinit (void)
{
glShadeModel (GL_SMOOTH);
}
void triangle(void)
{
glBegin (GL_TRIANGLES);
glColor3f (1.0, 0.0, 0.0);
glVertex2f (5.0, 5.0);
glColor3f (0.0, 1.0, 0.0);
glVertex2f (25.0, 5.0);
glColor3f (0.0, 0.0, 1.0);
glVertex2f (5.0, 25.0);
glEnd ();
}
void CALLBACK display(void)
{
glClear (GL_COLOR_BUFFER_BIT);
triangle ();
glFlush ();
}
void CALLBACK myReshape(GLsizei w, GLsizei h)
{
if (!h) return;
glViewport(0, 0, w, h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
if (w <= h)
gluOrtho2D (0.0, 30.0, 0.0, 30.0 * (GLfloat) h/(GLfloat) w);
else
gluOrtho2D (0.0, 30.0 * (GLfloat) w/(GLfloat) h, 0.0, 30.0);
glMatrixMode(GL_MODELVIEW);
}
int main(int argc, char** argv)
{
auxInitDisplayMode (AUX_SINGLE | AUX_RGB);
auxInitPosition (0, 0, 500, 500);
auxInitWindow ("Smooth Shading");
myinit();
auxReshapeFunc (myReshape);
auxMainLoop(display);
return(0);
}
Posted: 25.01.2k1
Autor: Unknown
<nomail@noserver.com>
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