static void mainLoop(GLFWwindow *window, scene_t *scene)
{
glfwPollEvents();
if (glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS)
bake(scene);
int w, h;
glfwGetFramebufferSize(window, &w, &h);
glViewport(0, 0, w, h);
// camera for glfw window
float view[16], projection[16];
fpsCameraViewMatrix(window, view);
perspectiveMatrix(projection, 45.0f, (float)w / (float)h, 0.01f, 100.0f);
// draw to screen with a blueish sky
glClearColor(0.6f, 0.8f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
drawScene(scene, view, projection);
glfwSwapBuffers(window);
}
int main(int argc, char* argv[])
{
glfwSetErrorCallback(error_callback);
if (!glfwInit()) return 1;
glfwWindowHint(GLFW_RED_BITS, 8);
glfwWindowHint(GLFW_GREEN_BITS, 8);
glfwWindowHint(GLFW_BLUE_BITS, 8);
glfwWindowHint(GLFW_ALPHA_BITS, 8);
glfwWindowHint(GLFW_DEPTH_BITS, 32);
glfwWindowHint(GLFW_STENCIL_BITS, GLFW_DONT_CARE);
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);
glfwWindowHint(GLFW_OPENGL_DEBUG_CONTEXT, GL_TRUE);
glfwWindowHint(GLFW_SAMPLES, 4);
GLFWwindow *window = glfwCreateWindow(1024, 768, "Lightmapping Example", NULL, NULL);
if (!window) return 1;
glfwMakeContextCurrent(window);
gladLoadGLLoader((GLADloadproc)glfwGetProcAddress);
glfwSwapInterval(1);
scene_t scene = {0};
if (!initScene(&scene))
{
fprintf(stderr, "Could not initialize scene.\n");
return 1;
}
printf("Ambient Occlusion Baking Example.\n");
printf("Use your mouse and the W, A, S, D, E, Q keys to navigate.\n");
printf("Press SPACE to start baking one light bounce!\n");
printf("This will take a few seconds and bake a lightmap illuminated by:\n");
printf("1. The mesh itself (initially black)\n");
printf("2. A white sky (1.0f, 1.0f, 1.0f)\n");
while (!glfwWindowShouldClose(window))
{
glfwPollEvents();
if (glfwGetKey(window, GLFW_KEY_SPACE) == GLFW_PRESS)
bake(&scene);
int w, h;
glfwGetFramebufferSize(window, &w, &h);
glViewport(0, 0, w, h);
// camera for glfw window
float view[16], projection[16];
fpsCameraViewMatrix(window, view);
perspectiveMatrix(projection, 45.0f, (float)w / (float)h, 0.01f, 100.0f);
// draw to screen with a blueish sky
glClearColor(0.6f, 0.8f, 1.0f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
drawScene(&scene, view, projection);
glfwSwapBuffers(window);
}
destroyScene(&scene);
glfwDestroyWindow(window);
glfwTerminate();
return 0;
}
