int main(void)
{
// init GLFW
if (!glfwInit()) {
fprintf(stderr, "Failed to initialize GLFW\n");
return -1;
}
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
// open a window and create its OpenGL context
window = glfwCreateWindow(1024, 768, "GLFW", NULL, NULL);
if (window == NULL) {
fprintf(stderr, "Failed to open GLFW window!\n");
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
// init GLEW
glewExperimental = true; // Needed for core profile
if (glewInit() != GLEW_OK) {
fprintf(stderr, "Failed to initialize GLEW\n");
return -1;
}
// ensure we can capture the escape key being pressed below
glfwSetInputMode(window, GLFW_STICKY_KEYS, GL_TRUE);
// dark blue background
glClearColor(0.0f, 0.0f, 0.4f, 0.0f);
// enable depth test
glEnable(GL_DEPTH_TEST);
// accept fragment if it closer to the camera than the former one
glDepthFunc(GL_LESS);
// ???
GLuint vao_id;
glGenVertexArrays(1, &vao_id);
glBindVertexArray(vao_id);
Material my_material(VSHADERPATH, FSHADERPATH);
// Geometry rect = GenSquare();
Geometry cube = GenCube();
// cube.PrintVertData();
// MyObject obj(rect, my_material);
MyObject obj("cube", cube, my_material);
// obj.SetTexture(TEXPATH);
obj.AddTexture(TEXPATH);
obj.AddTexture(TEXPATH1);
obj.AddTexture(TEXPATH2);
Renderer render;
// render.SetCamera(view, projection);
render.AddObject(obj);
// float angle = 0.0f;
// main loop
do {
// clear the screen
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
double cur_time = glfwGetTime();
render.SetTime(cur_time);
// double delta_time = cur_time - last_time;
// last_time = cur_time;
if (glfwGetKey(window, GLFW_KEY_LEFT) == GLFW_PRESS) {
// render.CameraMoveLeft();
render.ObjRotateLeft("cube");
}
if (glfwGetKey(window, GLFW_KEY_RIGHT) == GLFW_PRESS){
render.ObjRotateRight("cube");
}
if (glfwGetKey(window, GLFW_KEY_UP) == GLFW_PRESS){
render.ObjRotateUp("cube");
}
if (glfwGetKey(window, GLFW_KEY_DOWN) == GLFW_PRESS){
render.ObjRotateDown("cube");
}
if (glfwGetKey(window, GLFW_KEY_ENTER) == GLFW_PRESS){
render.ResetCamera();
render.ObjResetRotationMatrix("cube");
}
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS) {
render.CameraMoveForward();
}
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS) {
render.CameraMoveLeft();
}
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS){
render.CameraMoveBackward();
}
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS){
render.CameraMoveRight();
}
if (glfwGetKey(window, GLFW_KEY_Z) == GLFW_PRESS){
render.CameraMoveUp();
}
if (glfwGetKey(window, GLFW_KEY_C) == GLFW_PRESS){
render.CameraMoveDown();
}
render.SetTime(cur_time);
render.Render();
// Swap buffers
glfwSwapBuffers(window);
glfwPollEvents();
// check if the ESC key was pressed or the window was closed
} while (glfwGetKey(window, GLFW_KEY_ESCAPE ) != GLFW_PRESS && glfwWindowShouldClose(window) == 0);
// move it from here
// cleanup VBO and shader
// glDeleteBuffers(1, &buffer_data_id);
// glDeleteProgram(program_id);
glDeleteVertexArrays(1, &vao_id);
// Close OpenGL window and terminate GLFW
glfwTerminate();
return 0;
}
