sphere::sphere(GLuint numlats, GLuint numlongs, GLfloat ambient, GLfloat shininess)
{
this->numlats = numlats; // Number of latitudes in our sphere
this->numlongs = numlongs; // Number of longitudes in our sphere
this->light = new lighting(shininess, ambient);
this->transform = new transformation();
makeSphereVBO();
}
/*
This function is called before entering the main rendering loop.
Use it for all your initialisation stuff
*/
void init(GLWrapper *glw)
{
/* Set the object transformation controls to their initial values */
x = 0.05f;
y = 0;
z = 0;
angle_x = angle_z = 0;
angle_y = 1;
angle_inc_x = angle_inc_y = angle_inc_z = 0;
scale = 1.f;
aspect_ratio = 1024.f / 768.f; // Initial aspect ratio from window size (variables would be better!)
colourmode = 0;
numLats = 16; // Number of latitudes in our sphere
numLongs = 16; // Number of longitudes in our sphere
// Define lighting
lightSource.position = glm::vec3(0, 0, 0);
lightSource.colour = glm::vec3(1, 1, 1); //white light
// Generate index (name) for one vertex array object
glGenVertexArrays(1, &vao);
// Create the vertex array object and make it current
glBindVertexArray(vao);
/* create the sphere object */
numSphereVertices = makeSphereVBO(numLats, numLongs);
/* Load and build the vertex and fragment shaders */
try
{
program = glw->LoadShader("lab3start.vert", "lab3start.frag");
}
catch (std::exception &e)
{
std::cout << "Caught exception: " << e.what() << std::endl;
std::cin.ignore();
exit(0);
}
/* Define uniforms to send to vertex shader */
modelID = glGetUniformLocation(program, "model");
colourmodeID = glGetUniformLocation(program, "colourmode");
viewID = glGetUniformLocation(program, "view");
projectionID = glGetUniformLocation(program, "projection");
}
