Visual C++ kullanarak OpenGl ile ekrana Bezier Spline Eğrisi Çizdirme
Visual C++ kullanarak OpenGl ile ekrana Bezier Spline eğrisi çizdirme Bu C++ programı ekrana bezier eğrisi çizer.4 nokta var.2'si kontrol noktası#include <GL/glut.h>
GLfloat ctrlpts[4][3] = {
{-0.4, 0.4, 0.0},
{-0.1, 2.0, 0.0},
{ 0.1,-2.0, 0.0},
{ 0.4, 0.4, 0.0}
};
void display()
{
GLint k;
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0.0, 0.0, 1.0);
glBegin(GL_LINE_STRIP);
for (k= 0; k<= 50; k++)
glEvalCoord1f((GLfloat) (k)/50.0);
glEnd();
glPointSize(5.0);
glColor3f(1.0, 0.0, 0.0);
glBegin(GL_POINTS);
for (k= 0; k< 4; k++)
glVertex3fv(&ctrlpts[k][0]);
glEnd();
glutSwapBuffers();
}
void init()
{
glClearColor(1.0,1.0,1.0,0.0);
glMap1f(GL_MAP1_VERTEX_3, 0.0, 1.0, 3, 4, *ctrlpts);
glEnable(GL_MAP1_VERTEX_3);
}
int main(int argc, char ** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
glutInitWindowSize(400,400);
glutInitWindowPosition(50, 50);
glutCreateWindow("Bezier Eğrisi");
init();
glutDisplayFunc(display);
glutMainLoop();
return 0;
}
ALINTIDIR.
GLfloat ctrlpts[4][3] = {
{-0.4, 0.4, 0.0},
{-0.1, 2.0, 0.0},
{ 0.1,-2.0, 0.0},
{ 0.4, 0.4, 0.0}
};
void display()
{
GLint k;
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0.0, 0.0, 1.0);
glBegin(GL_LINE_STRIP);
for (k= 0; k<= 50; k++)
glEvalCoord1f((GLfloat) (k)/50.0);
glEnd();
glPointSize(5.0);
glColor3f(1.0, 0.0, 0.0);
glBegin(GL_POINTS);
for (k= 0; k< 4; k++)
glVertex3fv(&ctrlpts[k][0]);
glEnd();
glutSwapBuffers();
}
void init()
{
glClearColor(1.0,1.0,1.0,0.0);
glMap1f(GL_MAP1_VERTEX_3, 0.0, 1.0, 3, 4, *ctrlpts);
glEnable(GL_MAP1_VERTEX_3);
}
int main(int argc, char ** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
glutInitWindowSize(400,400);
glutInitWindowPosition(50, 50);
glutCreateWindow("Bezier Eğrisi");
init();
glutDisplayFunc(display);
glutMainLoop();
return 0;
}
ALINTIDIR.