void Application::setPerspectiveView(int x, int y, int width, int height,
scalar fovy, scalar zNear, scalar zFar)
{
// set viewport & perspective projection
setViewport(x, y, width, height);
setPerspectiveProjection(fovy, zNear, zFar);
}
//--------------------------------------------------------------------
// Tato funkce je volana pri kazdem prekresleni okna
//--------------------------------------------------------------------
void onDisplay(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);// vymazani barvoveho bufferu i pameti hloubky
setPerspectiveProjection(); // nastaveni perspektivni kamery
glTranslatef(0.0f, 0.0f, zoomnew); // priblizeni ci vzdaleni objektu podle +/-
glRotatef(ynew, 1.0f, 0.0f, 0.0f); // rotace objektu podle pohybu kurzoru mysi
glRotatef(xnew, 0.0f, 1.0f, 0.0f);
glRotatef(znew, 0.0f, 0.0f, 1.0f);
glClearColor(0.0, 0.0, 0.0, 0.0); // nastaveni mazaci barvy na cernou
glColor3f(0.0f, 1.0f, 0.0f); // nastaveni barvy pro kresleni
drawObjectNormal(); // objekt vykresleny se zapnutou mlhou
glFlush(); // provedeni a vykresleni vsech zmen
glutSwapBuffers(); // a prohozeni predniho a zadniho bufferu
}
// Default constructor
Camera::Camera() :
xAxis(1, 0, 0), yAxis(0, 1, 0), zAxis(0, 0, 1), position(0, 0, 1) {
updateView();
setPerspectiveProjection(-1, 1, -1, 1, .1, 100);
}
Camera::Camera( float fov /* = quarter_pi<float>() */, float aspect /* = 16/9.f */,
float near /* = 0.1f */, float far /* = 100 */) {
setPerspectiveProjection(fov,aspect,near,far);
}
void Application::setPerspectiveView(scalar fovy, scalar zNear, scalar zFar)
{
// set viewport fullscreen, then set perspective
setViewport(0, 0, displayWidth_, displayHeight_);
setPerspectiveProjection(fovy, zNear, zFar);
}
