//functia de afisare (lucram cu banda grafica)
void notifyDisplayFrame() {
// Deseneaza doar daca s-a modificat pozitia camerei sau perspectiva (a fost apasata o tasta).
if (modified) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Foloseste shaderul.
glUseProgram(gl_program_shader);
// Trimite variabile uniforme la shader.
glUniformMatrix4fv(glGetUniformLocation(gl_program_shader, "projection_matrix"), 1, false, glm::value_ptr(projection_matrix));
glUniform1i(glGetUniformLocation(gl_program_shader, "tps_color"), 0);
glUniform3f(glGetUniformLocation(gl_program_shader, "light_position"),
view1->getPosition().x, view1->getPosition().y, view1->getPosition().z);
glUniform3f(glGetUniformLocation(gl_program_shader, "eye_position"),
view1->getPosition().x, view1->getPosition().y, view1->getPosition().z);
glUniform3f(glGetUniformLocation(gl_program_shader, "light_direction"),
view1->getForward().x, view1->getForward().y, view1->getForward().z);
glUniform1i(glGetUniformLocation(gl_program_shader, "material_shininess"), material_shininess);
if (is_fps)
vehicle->drawGeometry(gl_program_shader, textures.size());
view_matrix = is_fps ? view1->getViewMatrix() : view2->getViewMatrix();
glUniformMatrix4fv(glGetUniformLocation(gl_program_shader, "view_matrix"), 1, false, glm::value_ptr(view_matrix));
glUniform1f(glGetUniformLocation(gl_program_shader, "material_kd"), is_fps ? material_kd : 0);
glUniform1f(glGetUniformLocation(gl_program_shader, "material_ks"), is_fps ? material_ks : 0);
std::vector<glm::vec4> plane_coefs;
glm::mat4 pv = projection_matrix * view1->getViewMatrix();
// Calculeaza coeficientii ecuatiilor pentru planurile frustumului.
plane_coefs.push_back(glm::vec4(pv[0][3] + pv[0][0], pv[1][3] + pv[1][0], pv[2][3] + pv[2][0], pv[3][3] + pv[3][0])); // left
plane_coefs.push_back(glm::vec4(pv[0][3] - pv[0][0], pv[1][3] - pv[1][0], pv[2][3] - pv[2][0], pv[3][3] - pv[3][0])); // right
plane_coefs.push_back(glm::vec4(pv[0][3] + pv[0][1], pv[1][3] + pv[1][1], pv[2][3] + pv[2][1], pv[3][3] + pv[3][1])); // bottom
plane_coefs.push_back(glm::vec4(pv[0][3] - pv[0][1], pv[1][3] - pv[1][1], pv[2][3] - pv[2][1], pv[3][3] - pv[3][1])); // top
plane_coefs.push_back(glm::vec4(pv[0][3] + pv[0][2], pv[1][3] + pv[1][2], pv[2][3] + pv[2][2], pv[3][3] + pv[3][2])); // near
plane_coefs.push_back(glm::vec4(pv[0][3] - pv[0][2], pv[1][3] - pv[1][2], pv[2][3] - pv[2][2], pv[3][3] - pv[3][2])); // far
quad->drawGeometry(gl_program_shader, is_fps, plane_coefs);
city->draw(gl_program_shader, is_fps, plane_coefs);
modified = false;
}
}
//tasta apasata
void notifyKeyPressed(unsigned char key_pressed, int mouse_x, int mouse_y){
if(key_pressed == 27) lab::glut::close(); //ESC inchide glut si
if(key_pressed == 32) { //SPACE
//reincarca shader
glDeleteProgram(gl_program_shader_gouraud);
gl_program_shader_gouraud = lab::loadShader("shadere\\shader_gouraud_vertex.glsl", "shadere\\shader_gouraud_fragment.glsl");
}
// grid view
if(key_pressed == 'g'){
static bool wire =true;
wire=!wire;
glPolygonMode(GL_FRONT_AND_BACK, (wire?GL_LINE:GL_FILL));
}
// directional
if (key_pressed == '1') {
directional ^= 1;
}
// circular
if (key_pressed == '2') {
circular ^= 1;
}
// inainte
if (key_pressed == 'w') {
FPS.translateForward(1);
eye_position = FPS.getPosition();
}
// inapoi
if (key_pressed == 's') {
FPS.translateForward(-1);
eye_position = FPS.getPosition();
}
// rotire stanga
if (key_pressed == 'a') {
FPS.rotateFPS_OY(5);
eye_position = FPS.getPosition();
}
// rotire dreapta
if (key_pressed == 'd') {
FPS.rotateFPS_OY(-5);
eye_position = FPS.getPosition();
}
// rotire sus
if (key_pressed == 'q') {
FPS.rotateFPS_OX(-5);
eye_position = FPS.getPosition();
}
// rotire jos
if (key_pressed == 'e') {
FPS.rotateFPS_OX(5);
eye_position = FPS.getPosition();
}
// rotire oz
if (key_pressed == 'z') {
FPS.rotateFPS_OZ(-5);
eye_position = FPS.getPosition();
}
// rotire oz
if (key_pressed == 'c') {
FPS.rotateFPS_OZ(5);
eye_position = FPS.getPosition();
}
}