void mouseListener(int button, int state, int x, int y){
if (state == GLUT_DOWN){
Vec3 point;
switch(button){
case GLUT_LEFT_BUTTON :
point = Vec3(x, g_nWinHeight-y, 0);
cout << "ADDED POINT AT " << point << endl;
spline.addPointAt(spline.pointCount(), point);
break;
case GLUT_RIGHT_BUTTON:
int i = 0;
for (i = 0; i < spline.segmentCount(); i++) {
cout << "last" << spline.evaluate(i, 0.0) << endl;
cout << "next" << spline.evaluate(i, 1.0) << endl;
}
break;
}
}
glutPostRedisplay();
}
void display() {
setCamera();
glClearColor(0.0f, 0.0f, 0.0f, 1.0f );
glClear(GL_COLOR_BUFFER_BIT);
glDisable(GL_LIGHTING);
glBegin(GL_LINES);
glColor3f(0.5,0.5,0.5);
for (int i = 0; i < spline.pointCount(); i++) {
Vec3 p = spline.getPoint(i);
glVertex4f(p.x,p.y,p.z,1.0);
glVertex4f(0.0,-1.0,0.0,0.0);
}
for (int i = 0; i < (int) spline.segmentCount(); i++) {
Vec3 last = spline.evaluate(i, 0.0);
cout << i << "::" << last << endl;
for(float t = 0.01; t < 1.0; t += 0.01){
Vec3 next = spline.evaluate(i, t);
glVertex3f(last.x, last.y, last.z);
glVertex3f(next.x, next.y, next.z);
last = next;
}
cout << i << "l ::" << last << endl;
}
glFinish();
glutSwapBuffers();
// glutPostRedisplay();
}
