int win_w = 800;
int win_h = 600;
-float phi = 25;
-float theta = 0;
-float dist = 4;
ShaderManager *sdr_man;
/* variables */
+static bool move_camera;
+
+static float cam_phi = 25;
+static float cam_theta = 0;
+static float cam_dist = 16;
+static Vec3 cam_pos;
static float aspect;
static OrbitCamera *camera;
-static Scene *scene_cow;
-static Renderer *rcow;
-
-static Scene *scene_ground;
-static Renderer *rground; // default renderer
-static Texture *gskybox;
+static Scene *cow_scene;
+static Object *cow_object;
+static Renderer *cow_rend;
-static Renderer *tr;
-static Material tmat;
-static Terrain t;
+static Terrain terrain;
+static Texture *skybox_tex;
+static Texture *terrain_tex;
+static Material terrain_mat;
+static Renderer *terrain_rend;
/* *** */
sdr_man = new ShaderManager;
camera = new OrbitCamera;
- camera->set_orbit_params(phi, theta, dist);
- // scene_ground = new Scene;
- // if(!scene_ground->load("data/ground.obj")) {
- // fprintf(stderr, "Failed to load scene: ground.obj.\n");
- // return false;
- // }
+ cow_scene = new Scene;
+ if(!cow_scene->load("data/spot/spot.obj")) {
+ fprintf(stderr, "Failed to load scene: spot.obj.\n");
+ return false;
+ }
- // rground = new Renderer;
- // rground->camera = camera;
- // rground->scene = scene_ground;
+ cow_rend = new Renderer;
+ cow_rend->camera = camera;
+ cow_rend->scene = cow_scene;
- // if(!rground->create()) {
- // fprintf(stderr, "Failed to create default renderer.\n");
- // return false;
- // }
+ if(!cow_rend->create()) {
+ fprintf(stderr, "Failed to create renderer for cows.\n");
+ return false;
+ }
- // gskybox = gfx_create_texture();
- // gskybox->load("data/cubemap/cubemap.hdr");
- // rground->set_sky_tex(gskybox);
+ cow_object = cow_scene->objects[0];
- scene_cow = new Scene;
- if(!scene_cow->load("data/spot/spot.obj")) {
- fprintf(stderr, "Failed to load scene: spot.obj.\n");
+ terrain_tex = gfx_create_texture();
+ if(!terrain_tex->load("data/grass.jpeg")) {
+ fprintf(stderr, "Failed to load ground texture.\n");
return false;
}
- rcow = new Renderer;
- rcow->camera = camera;
- rcow->scene = scene_cow;
-
- if(!rcow->create()) {
- fprintf(stderr, "Failed to create renderer for cows.\n");
+ Image ter_hmap;
+ if(!ter_hmap.load("data/terhmap.png")) {
+ fprintf(stderr, "Failed to load terrain heightmap.\n");
return false;
}
TerrainParams p;
- p.xsz = 50;
- p.ysz = 50;
- p.max_height = 1;
- p.xtiles = 1; //40;
- p.ytiles = 1; // 40;
- p.tile_usub = 8;
- p.tile_vsub = 8;
+ p.xsz = 200;
+ p.ysz = 200;
+ p.max_height = 30;
+ p.xtiles = 40;
+ p.ytiles = 40;
+ p.tile_usub = 10;
+ p.tile_vsub = 10;
p.num_octaves = 3;
- p.noise_freq = 10;
- p.coarse_heightmap = 0;
+ p.noise_freq = 5;
+ p.coarse_heightmap = ter_hmap;
+
+ terrain.init();
+ terrain.generate(p);
- t.init();
- t.generate(p);
+ terrain_mat.diffuse = Vec3(1, 1, 1);
+ terrain_mat.specular = Vec3(0, 0, 0);
+ terrain_mat.shininess = 40;
+ terrain_mat.dtex = terrain_tex;
+ terrain_mat.name = "tt";
- tmat.diffuse = Vec3(1, 0, 0);
- tmat.specular = Vec3(0.5, 0, 0);
- tmat.shininess = 40;
- tmat.dtex = 0;
- tmat.name = "tt";
+ terrain.material = terrain_mat;
- t.material = tmat;
+ terrain_rend = new Renderer;
+ terrain_rend->camera = camera;
+ terrain_rend->scene = terrain.get_visible(camera);
- tr = new Renderer;
- tr->camera = camera;
- tr->scene = t.get_visible(camera);
- if(!tr->create()) {
+ skybox_tex = gfx_create_texture();
+ skybox_tex->load("data/cubemap/cubemap.hdr");
+ terrain_rend->set_sky_tex(skybox_tex);
+
+ if(!terrain_rend->create()) {
fprintf(stderr, "terrain fail\n");
return false;
}
-
-// TODO delete: debugging
- // for(size_t i=0; i<scene_ground->objects.size(); ++i) {
- // printf("object: %d\n", (int)i);
- // printf("mesh: %s\n", scene_ground->objects[i]->mesh->name.c_str());
- // printf("material: %s\n", scene_ground->objects[i]->material->name.c_str());
- // printf("transform:\n");
- // scene_ground->objects[i]->transform.print();
- // }
return true;
}
delete sdr_man;
delete camera;
- delete scene_cow;
- delete rcow;
-
- // delete scene_ground;
- // delete rground;
+ delete cow_scene;
+ delete cow_rend;
//TODO
- delete tr;
+ delete terrain_tex;
+ delete terrain_rend;
gfx_cleanup();
}
+static float cow_speed = 10;
+static Vec3 cow_pos;
+static bool keystate[256];
+
static void clbk_key(GLFWwindow *win, int key, int scancode, int action, int mods)
{
- if(key == GLFW_KEY_ESCAPE && action == GLFW_PRESS) {
- glfwSetWindowShouldClose(win, GLFW_TRUE);
+ if(action == GLFW_REPEAT) return;
+
+ if(action == GLFW_PRESS) {
+ switch(key) {
+ case GLFW_KEY_ESCAPE:
+ glfwSetWindowShouldClose(win, GLFW_TRUE);
+ return;
+
+ case ' ':
+ move_camera = !move_camera;
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if(key < 256) {
+ keystate[key] = action == GLFW_PRESS;
}
}
prev_y = y;
if(button[0]) {
- theta += dx;
- phi += dy;
+ cam_theta += dx * 0.5;
+ cam_phi += dy * 0.5;
- if(phi < -90)
- phi = -90;
- if(phi > 90)
- phi = 90;
+ if(cam_phi < 0)
+ cam_phi = 0;
+ if(cam_phi > 90)
+ cam_phi = 90;
}
if(button[1]) {
- dist += dy * 0.1;
- if(dist < 0.0) {
- dist = 0.0;
+ cam_dist += dy * 0.1;
+ if(cam_dist < 0.0) {
+ cam_dist = 0.0;
}
}
-}
+ }
static void clbk_mouse(GLFWwindow *win, int bn, int action, int mods)
{
win_w = width;
}
+static void update(float dt)
+{
+ Vec3 dir;
+
+ if(keystate['D'])
+ dir.x += cow_speed * dt;
+ if(keystate['A'])
+ dir.x -= cow_speed * dt;
+ if(keystate['W'])
+ dir.z -= cow_speed * dt;
+ if(keystate['S'])
+ dir.z += cow_speed * dt;
+
+ Vec3 *pos = move_camera ? &cam_pos : &cow_pos;
+ float theta = cam_theta / 180.0 * M_PI;
+ pos->x += dir.x * cos(theta) - dir.z * sin(theta);
+ pos->z += dir.x * sin(theta) + dir.z * cos(theta);
+}
+
static void display()
{
- camera->set_orbit_params(phi, theta, dist);
+ static float prev_tsec;
+ float tsec = glfwGetTime();
+ float dt = tsec - prev_tsec;
+ prev_tsec = tsec;
+
+ update(dt);
+
+ cam_pos.y = terrain.get_height(cam_pos) + 0.5;
+ camera->set_orbit_params(cam_theta, cam_phi, cam_dist);
+ camera->set_position(cam_pos.x, cam_pos.y, cam_pos.z);
- // gfx_clear(0.76, 0.3, 0.43);
gfx_clear(0.1, 0.1, 0.1);
- tr->draw();
-// rground->draw();
- // rcow->draw();
+ terrain_rend->draw();
+
+ cow_pos.y = terrain.get_height(cow_pos);
+ cow_object->transform.translation(cow_pos);
+ cow_rend->draw();
}
\ No newline at end of file