#define EFL_EO_API_SUPPORT #define EFL_BETA_API_SUPPORT #include #define WIDTH 1024 #define HEIGHT 1024 #define IMG_SIZE 1024 #define SKYBOX_IMG_WIDTH 4096 #define SKYBOX_IMG_HEIGHT 3072 #define MIN_3D_ZOOM_FACTOR 1.0 #define MAX_3D_ZOOM_FACTOR 4.9 #define MIN_2D_ZOOM_FACTOR 5.0 #define MAX_2D_ZOOM_FACTOR 16.0 #define MAX_CAMERA_DISTANCE 10.0 #define ROUND(a) ((a < 0) ? ((int)((a - 0.05) * 10) * 0.1) : ((int)((a + 0.05) * 10) * 0.1)) typedef struct _mat3 { float m[9]; } mat3; typedef struct _vec4 { float x; float y; float z; float w; } vec4; typedef struct _vec2 { float x; float y; } vec2; typedef struct _vec3 { float x; float y; float z; } vec3; typedef struct _vertex { vec3 position; vec3 normal; vec3 tangent; vec4 color; vec3 texcoord; } vertex; typedef enum _Map_Dimension_State { MAP_DIMENSION_STATE_2D = 0, MAP_DIMENSION_STATE_3D } Map_Dimension_State; static Evas *evas = NULL; static Evas_Object *win = NULL; static Evas_Object *bg = NULL; static Evas_Object *image = NULL; static Evas_Object *map = NULL; static Evas_Object *normal_map = NULL; static Evas_Object *control_layout = NULL; static Evas_Object *hoversel = NULL; static Evas_Object *rotation_toggle = NULL; static Evas_Object *light_toggle = NULL; static Evas_Object *zoom_slider = NULL; static Evas_Object *menu = NULL; static Elm_Object_Item *menu_it = NULL; static Ecore_Animator *animator = NULL; static Evas_3D_Scene *scene = NULL; static Evas_3D_Node *root_node = NULL; static Evas_3D_Node *camera_node = NULL; static Evas_3D_Camera *camera = NULL; static Evas_3D_Node *light_node = NULL; static Evas_3D_Light *light = NULL; static Evas_3D_Node *mesh_node = NULL; static Evas_3D_Mesh *mesh = NULL; static Evas_3D_Material *material = NULL; static Evas_3D_Texture *texture_diffuse = NULL; static Evas_3D_Texture *texture_normal = NULL; static int vertex_count = 0; static int index_count = 0; static vertex *vertices = NULL; static unsigned short *indices = NULL; static vec2 mouse_down_pos; static vec3 camera_pos; static vec3 camera_up_vec; static vec3 camera_right_vec; static double zoom_factor = MIN_3D_ZOOM_FACTOR; static Eina_Bool is_mouse_pressed = EINA_FALSE; static Map_Dimension_State map_dimension_state = MAP_DIMENSION_STATE_3D; static const float skybox_vertices[] = { /* Front */ -40.0, 40.0, 40.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0, 0.99, 0.334, 40.0, 40.0, 40.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0, 0.75, 0.334, -40.0, -40.0, 40.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0, 0.99, 0.666, 40.0, -40.0, 40.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0, 0.75, 0.666, /* Back */ 40.0, 40.0, -40.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.50, 0.334, -40.0, 40.0, -40.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.25, 0.334, 40.0, -40.0, -40.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.50, 0.666, -40.0, -40.0, -40.0, 0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 0.25, 0.666, /* Left */ -40.0, 40.0, -40.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.25, 0.334, -40.0, 40.0, 40.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.01, 0.334, -40.0, -40.0, -40.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.25, 0.666, -40.0, -40.0, 40.0, 1.0, 0.0, 0.0, 0.0, 1.0, 0.0, 1.0, 0.01, 0.666, /* Right */ 40.0, 40.0, 40.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.75, 0.334, 40.0, 40.0, -40.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.50, 0.334, 40.0, -40.0, 40.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.75, 0.666, 40.0, -40.0, -40.0, -1.0, 0.0, 0.0, 1.0, 1.0, 0.0, 1.0, 0.50, 0.666, /* Top */ -40.0, 40.0, -40.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.25, 0.334, 40.0, 40.0, -40.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.50, 0.334, -40.0, 40.0, 40.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.25, 0.01, 40.0, 40.0, 40.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.50, 0.01, /* Bottom */ 40.0, -40.0, -40.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.50, 0.666, -40.0, -40.0, -40.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.25, 0.666, 40.0, -40.0, 40.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.50, 0.99, -40.0, -40.0, 40.0, 0.0, 1.0, 0.0, 0.0, 1.0, 1.0, 1.0, 0.25, 0.99, }; static const unsigned short skybox_indices[] = { /* Front */ 0, 1, 2, 2, 1, 3, /* Back */ 4, 5, 6, 6, 5, 7, /* Left */ 8, 9, 10, 10, 9, 11, /* Right */ 12, 13, 14, 14, 13, 15, /* Top */ 16, 17, 18, 18, 17, 19, /* Bottom */ 20, 21, 22, 22, 21, 23 }; static void zoom_factor_set(double new_zoom_factor); static inline void vec3_scale(vec3 *out, const vec3 *v, const double scale) { out->x = scale * v->x; out->y = scale * v->y; out->z = scale * v->z; } static inline void vec3_normalize(vec3 *out, const vec3 *vec) { double length = sqrt(vec->x * vec->x + vec->y * vec->y + vec->z * vec->z); out->x = vec->x / length; out->y = vec->y / length; out->z = vec->z / length; } static inline void mat3_multiply_vec3(vec3 *out, const mat3 *mat, const vec3 *vec) { out->x = mat->m[0] * vec->x + mat->m[1] * vec->y + mat->m[2] * vec->z; out->y = mat->m[3] * vec->x + mat->m[4] * vec->y + mat->m[5] * vec->z; out->z = mat->m[6] * vec->x + mat->m[7] * vec->y + mat->m[8] * vec->z; } static inline void vec3_rotate_angle_axis(vec3 *out, const vec3 *vec, const double radian, const vec3 *axis) { mat3 mat; double cos_r = cos(radian); double sin_r = sin(radian); double one_minus_cos_r = 1.0 - cos_r; mat.m[0] = cos_r + one_minus_cos_r * (axis->x * axis->x); mat.m[1] = (-axis->z * sin_r) + one_minus_cos_r * (axis->x * axis->y); mat.m[2] = (axis->y * sin_r) + one_minus_cos_r * (axis->x * axis->z); mat.m[3] = (axis->z * sin_r) + one_minus_cos_r * (axis->x * axis->y); mat.m[4] = cos_r + one_minus_cos_r * (axis->y * axis->y); mat.m[5] = (-axis->x * sin_r) + one_minus_cos_r * (axis->y * axis->z); mat.m[6] = (-axis->y * sin_r) + one_minus_cos_r * (axis->x * axis->z); mat.m[7] = (axis->x * sin_r) + one_minus_cos_r * (axis->y * axis->z); mat.m[8] = cos_r + one_minus_cos_r * (axis->z * axis->z); mat3_multiply_vec3(out, &mat, vec); } static Eina_Bool animate_scene(void *data) { static float angle = 0.0f; angle += 0.05; eo_do((Evas_3D_Node *)data, evas_3d_node_orientation_angle_axis_set(angle, 0.0, 1.0, 0.0)); /* Rotate */ if (angle > 360.0) angle -= 360.0f; return EINA_TRUE; } static void sphere_init(int precision) { int i, j; vertex *v; unsigned short *idx; vertex_count = (precision + 1) * (precision + 1); index_count = precision * precision * 6; /* Allocate buffer. */ vertices = malloc(sizeof(vertex) * vertex_count); indices = malloc(sizeof(unsigned short) * index_count); for (i = 0; i <= precision; i++) { double lati = M_PI * ((double)i / (double)precision); double y = cos(lati); double r = fabs(sin(lati)); for (j = 0; j <= precision; j++) { double longi = (M_PI * 2.0) * ((double)j / (double)precision); v = &vertices[i * (precision + 1) + j]; if (j == 0 || j == precision) v->position.x = 0.0; else v->position.x = r * sin(longi); v->position.y = y; if (j == 0 || j == precision) v->position.z = r; else v->position.z = r * cos(longi); v->normal = v->position; if (v->position.x > 0.0) { v->tangent.x = -v->normal.y; v->tangent.y = v->normal.x; v->tangent.z = v->normal.z; } else { v->tangent.x = v->normal.y; v->tangent.y = -v->normal.x; v->tangent.z = v->normal.z; } v->color.x = 1.0; v->color.y = 1.0; v->color.z = 1.0; v->color.w = 1.0; if (j == precision) v->texcoord.x = 1.0; else if (j == 0) v->texcoord.x = 0.0; else v->texcoord.x = (double)j / (double)precision; if (i == precision) v->texcoord.y = 1.0; else if (i == 0) v->texcoord.y = 0.0; else v->texcoord.y = (double)i / (double)precision; } } idx = &indices[0]; for (i = 0; i < precision; i++) { for (j = 0; j < precision; j++) { *idx++ = i * (precision + 1) + j; *idx++ = i * (precision + 1) + j + 1; *idx++ = (i + 1) * (precision + 1) + j; *idx++ = (i + 1) * (precision + 1) + j; *idx++ = i * (precision + 1) + j + 1; *idx++ = (i + 1) * (precision + 1) + j + 1; } } for (i = 0; i < index_count; i += 3) { vertex *v0 = &vertices[indices[i + 0]]; vertex *v1 = &vertices[indices[i + 1]]; vertex *v2 = &vertices[indices[i + 2]]; vec3 e1, e2; float du1, du2, dv1, dv2, f; vec3 tangent; e1.x = v1->position.x - v0->position.x; e1.y = v1->position.y - v0->position.y; e1.z = v1->position.z - v0->position.z; e2.x = v2->position.x - v0->position.x; e2.y = v2->position.y - v0->position.y; e2.z = v2->position.z - v0->position.z; du1 = v1->texcoord.x - v0->texcoord.x; dv1 = v1->texcoord.y - v0->texcoord.y; du2 = v2->texcoord.x - v0->texcoord.x; dv2 = v2->texcoord.y - v0->texcoord.y; f = 1.0 / (du1 * dv2 - du2 * dv1); tangent.x = f * (dv2 * e1.x - dv1 * e2.x); tangent.y = f * (dv2 * e1.y - dv1 * e2.y); tangent.z = f * (dv2 * e1.z - dv1 * e2.z); v0->tangent = tangent; } for (i = 0; i <= precision; i++) { for (j = 0; j <= precision; j++) { if (j == precision) { v = &vertices[i * (precision + 1) + j]; v->tangent = vertices[i * (precision + 1)].tangent; } } } } static void sphere_fini(void) { if (vertices) free(vertices); if (indices) free(indices); } static void change_to_2d_map(void) { if (map_dimension_state == MAP_DIMENSION_STATE_2D) return; map_dimension_state = MAP_DIMENSION_STATE_2D; elm_object_style_set(map, "default"); elm_scroller_policy_set (map, ELM_SCROLLER_POLICY_AUTO, ELM_SCROLLER_POLICY_AUTO); elm_map_zoom_mode_set(map, ELM_MAP_ZOOM_MODE_MANUAL); elm_map_paused_set(map, EINA_TRUE); eo_do(texture_diffuse, evas_3d_texture_source_visible_set(EINA_TRUE)); evas_object_hide(image); elm_slider_unit_format_set(zoom_slider, "X%1.0f"); elm_slider_indicator_format_set(zoom_slider, "%1.0f"); elm_slider_min_max_set(zoom_slider, MIN_2D_ZOOM_FACTOR, MAX_2D_ZOOM_FACTOR); } static void change_to_3d_map(void) { if (map_dimension_state == MAP_DIMENSION_STATE_3D) return; map_dimension_state = MAP_DIMENSION_STATE_3D; elm_object_style_set(map, "evas3d"); elm_scroller_policy_set (map, ELM_SCROLLER_POLICY_OFF, ELM_SCROLLER_POLICY_OFF); elm_map_zoom_mode_set(map, ELM_MAP_ZOOM_MODE_AUTO_FILL); evas_object_show(image); elm_slider_unit_format_set(zoom_slider, "X%1.1f"); elm_slider_indicator_format_set(zoom_slider, "%1.1f"); elm_slider_min_max_set(zoom_slider, MIN_3D_ZOOM_FACTOR, MAX_3D_ZOOM_FACTOR); } static void zoom_factor_set(double new_zoom_factor) { double cur_zoom_factor; double s, t; double lon, lat; vec3 camera_pos_unit_vec; Evas_3D_Node *n; Evas_3D_Mesh *m; Evas_Coord src_x, src_y; Evas_Coord src_size; cur_zoom_factor = zoom_factor; zoom_factor = ROUND(new_zoom_factor); if (cur_zoom_factor == zoom_factor) return; /* 2D Zoom */ if (zoom_factor >= MIN_2D_ZOOM_FACTOR) { /* Transition from 3D to 2D */ if (cur_zoom_factor < MIN_2D_ZOOM_FACTOR) { zoom_factor = MIN_2D_ZOOM_FACTOR; eo_do(scene, evas_3d_scene_pick(IMG_SIZE / 2, IMG_SIZE / 2, &n, &m, &s, &t)); src_size = IMG_SIZE * cur_zoom_factor; src_x = (Evas_Coord)(src_size * s); src_y = (Evas_Coord)(src_size * t); elm_map_canvas_to_region_convert(map, src_x, src_y, &lon, &lat); change_to_2d_map(); evas_object_resize(map, IMG_SIZE, IMG_SIZE); elm_map_zoom_set(map, (int)zoom_factor); elm_map_region_show(map, lon, lat); } else elm_map_zoom_set(map, (int)zoom_factor); } /* 3D Zoom */ else { if (zoom_factor < MIN_3D_ZOOM_FACTOR) zoom_factor = MIN_3D_ZOOM_FACTOR; /* Transition from 2D to 3D */ if (cur_zoom_factor >= MIN_2D_ZOOM_FACTOR) { change_to_3d_map(); } /* Update texture source. */ src_size = IMG_SIZE * zoom_factor; evas_object_resize(map, src_size, src_size); /* Apply updated texture source. */ texture_diffuse = eo_add(EVAS_3D_TEXTURE_CLASS, evas); eo_do(texture_diffuse, evas_3d_texture_source_set(map), evas_3d_texture_source_visible_set(EINA_FALSE)); eo_do(material, evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, texture_diffuse)); /* Update camera position. */ vec3_normalize(&camera_pos_unit_vec, &camera_pos); camera_pos.x = (camera_pos_unit_vec.x * MAX_CAMERA_DISTANCE) / zoom_factor; camera_pos.y = (camera_pos_unit_vec.y * MAX_CAMERA_DISTANCE) / zoom_factor; camera_pos.z = (camera_pos_unit_vec.z * MAX_CAMERA_DISTANCE) / zoom_factor; eo_do(camera_node, evas_3d_node_position_set(camera_pos.x, camera_pos.y, camera_pos.z)); } /* Update zoom slider. */ elm_slider_value_set(zoom_slider, zoom_factor); } static void zoom_in_cb(void *data, Evas_Object *obj, void *event_info) { zoom_factor_set(zoom_factor + 1); } static void zoom_out_cb(void *data, Evas_Object *obj, void *event_info) { zoom_factor_set(zoom_factor - 1); } static void zoom_to_2d_map_cb(void *data, Evas_Object *obj, void *event_info) { double s, t; double lon, lat; Evas_3D_Node *n; Evas_3D_Mesh *m; Evas_Coord src_x, src_y; Evas_Coord src_size; if (map_dimension_state == MAP_DIMENSION_STATE_2D) return; eo_do(scene, evas_3d_scene_pick(mouse_down_pos.x, mouse_down_pos.y, &n, &m, &s, &t)); src_size = (Evas_Coord)(IMG_SIZE * zoom_factor); src_x = (Evas_Coord)(src_size * s); src_y = (Evas_Coord)(src_size * t); elm_map_canvas_to_region_convert(map, src_x, src_y, &lon, &lat); zoom_factor_set(MIN_2D_ZOOM_FACTOR); elm_map_region_show(map, lon, lat); } static void zoom_to_3d_map_cb(void *data, Evas_Object *obj, void *event_info) { if (map_dimension_state == MAP_DIMENSION_STATE_3D) return; zoom_factor_set(MAX_3D_ZOOM_FACTOR); } static void submenu_zoom_add(Elm_Object_Item *parent) { if (!parent) return; elm_menu_item_add(menu, parent, NULL, "Zoom in", zoom_in_cb, NULL); elm_menu_item_add(menu, parent, NULL, "Zoom out", zoom_out_cb, NULL); elm_menu_item_add(menu, parent, NULL, "Zoom to 2D map", zoom_to_2d_map_cb, NULL); elm_menu_item_add(menu, parent, NULL, "Zoom to 3D map", zoom_to_3d_map_cb, NULL); } static void submenu_info_add(Elm_Object_Item *parent) { char buf[50]; double s, t; double lon, lat; Evas_3D_Node *n; Evas_3D_Mesh *m; Evas_Coord src_x, src_y; Evas_Coord src_size; if (!parent) return; if (map_dimension_state == MAP_DIMENSION_STATE_3D) { eo_do(scene, evas_3d_scene_pick(mouse_down_pos.x, mouse_down_pos.y, &n, &m, &s, &t)); src_size = (Evas_Coord) (IMG_SIZE * zoom_factor); src_x = (Evas_Coord)(src_size * s); src_y = (Evas_Coord)(src_size * t); elm_map_canvas_to_region_convert(map, src_x, src_y, &lon, &lat); } else { elm_map_canvas_to_region_convert(map, mouse_down_pos.x, mouse_down_pos.y, &lon, &lat); } snprintf(buf, sizeof(buf), "Longitude : %f", lon); elm_menu_item_add(menu, parent, NULL, buf, NULL, NULL); snprintf(buf, sizeof(buf), "Latitude : %f", lat); elm_menu_item_add(menu, parent, NULL, buf, NULL, NULL); } static void map_zoom_change_cb(void *data, Evas_Object *obj, void *event_info) { int cur_zoom_factor; if (map_dimension_state == MAP_DIMENSION_STATE_3D) return; cur_zoom_factor = elm_map_zoom_get(map); if (elm_map_paused_get(map)) elm_map_paused_set(map, EINA_FALSE); zoom_factor_set(cur_zoom_factor); } static void map_mouse_down_cb(void *data, Evas *e, Evas_Object *o, void *event_info) { Evas_Event_Mouse_Down *ev = event_info; Evas_Coord x, y, w, h; Evas_Coord obj_x, obj_y; int scene_w, scene_h; double scene_x, scene_y; double s, t; Evas_3D_Node *n; Evas_3D_Mesh *m; Eina_Bool pick; mouse_down_pos.x = ev->canvas.x; mouse_down_pos.y = ev->canvas.y; evas_object_geometry_get(o, &x, &y, &w, &h); obj_x = ev->canvas.x - x; obj_y = ev->canvas.y - y; eo_do(scene, evas_3d_scene_size_get(&scene_w, &scene_h)); scene_x = obj_x * scene_w / (double)w; scene_y = obj_y * scene_h / (double)h; eo_do(scene, pick = evas_3d_scene_pick(scene_x, scene_y, &n, &m, &s, &t)); if (pick) printf("Picked : "); else printf("Not picked : "); printf("output(%d, %d) canvas(%d, %d) object(%d, %d) scene(%f, %f) texcoord(%f, %f) " "node(%p) mesh(%p)\n", ev->output.x, ev->output.y, ev->canvas.x, ev->canvas.y, obj_x, obj_y, scene_x, scene_y, s, t, n, m); if (ev->button == 3) { if (!menu) { menu = elm_menu_add(o); elm_menu_parent_set(menu, o); menu_it = elm_menu_item_add(menu, NULL, "", "Zoom", NULL, NULL); submenu_zoom_add(menu_it); menu_it = elm_menu_item_add(menu, NULL, "", "Info", NULL, NULL); } elm_menu_item_subitems_clear(menu_it); submenu_info_add(menu_it); elm_menu_move(menu, ev->canvas.x, ev->canvas.y); evas_object_show(menu); } } static void mouse_down_cb(void *data, Evas *e, Evas_Object *o, void *event_info) { Evas_Event_Mouse_Down *ev = event_info; Evas_Coord x, y, w, h; Evas_Coord obj_x, obj_y; int scene_w, scene_h; double scene_x, scene_y; double s, t; Evas_3D_Node *n; Evas_3D_Mesh *m; Eina_Bool pick; mouse_down_pos.x = ev->canvas.x; mouse_down_pos.y = ev->canvas.y; /* Stop rotating earth. */ if (animator) { ecore_animator_del(animator); animator = NULL; } evas_object_geometry_get(o, &x, &y, &w, &h); obj_x = ev->canvas.x - x; obj_y = ev->canvas.y - y; eo_do(scene, evas_3d_scene_size_get(&scene_w, &scene_h)); scene_x = obj_x * scene_w / (double)w; scene_y = obj_y * scene_h / (double)h; eo_do(scene, pick = evas_3d_scene_pick(scene_x, scene_y, &n, &m, &s, &t)); if (pick) printf("Picked : "); else printf("Not picked : "); printf("output(%d, %d) canvas(%d, %d) object(%d, %d) scene(%f, %f) texcoord(%f, %f) " "node(%p) mesh(%p)\n", ev->output.x, ev->output.y, ev->canvas.x, ev->canvas.y, obj_x, obj_y, scene_x, scene_y, s, t, n, m); if (ev->button == 1) is_mouse_pressed = EINA_TRUE; else if (ev->button == 3) { elm_check_state_set(rotation_toggle, EINA_FALSE); if (!menu) { menu = elm_menu_add(o); elm_menu_parent_set(menu, o); menu_it = elm_menu_item_add(menu, NULL, "", "Zoom", NULL, NULL); submenu_zoom_add(menu_it); menu_it = elm_menu_item_add(menu, NULL, "", "Info", NULL, NULL); } elm_menu_item_subitems_clear(menu_it); submenu_info_add(menu_it); elm_menu_move(menu, ev->canvas.x, ev->canvas.y); evas_object_show(menu); } } static void mouse_move_cb(void *data, Evas *e, Evas_Object *o, void *event_info) { Evas_Event_Mouse_Move *ev = event_info; double distance_to_origin; double radian_camera_up_axis, radian_camera_right_axis; vec3 camera_pos_unit_vec; if ((ev->buttons == 1) && is_mouse_pressed) { radian_camera_up_axis = (ev->prev.canvas.x - ev->cur.canvas.x) * 0.01; radian_camera_right_axis = (ev->prev.canvas.y - ev->cur.canvas.y) * 0.01; distance_to_origin = sqrt(pow(camera_pos.x, 2) + pow(camera_pos.y, 2) + pow(camera_pos.z, 2)); /* Update camera position, up vector and right vector. */ vec3_rotate_angle_axis(&camera_pos, &camera_pos, radian_camera_up_axis, &camera_up_vec); vec3_rotate_angle_axis(&camera_right_vec, &camera_right_vec, radian_camera_up_axis, &camera_up_vec); vec3_normalize(&camera_right_vec, &camera_right_vec); vec3_rotate_angle_axis(&camera_pos, &camera_pos, radian_camera_right_axis, &camera_right_vec); vec3_rotate_angle_axis(&camera_up_vec, &camera_up_vec, radian_camera_right_axis, &camera_right_vec); vec3_normalize(&camera_up_vec, &camera_up_vec); vec3_normalize(&camera_pos_unit_vec, &camera_pos); vec3_scale(&camera_pos, &camera_pos_unit_vec, distance_to_origin); eo_do(camera_node, evas_3d_node_position_set(camera_pos.x, camera_pos.y, camera_pos.z), evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, camera_up_vec.x, camera_up_vec.y, camera_up_vec.z)); if (elm_check_state_get(light_toggle)) { /* Update light position as the same as camera position. */ eo_do(light_node, evas_3d_node_position_set(camera_pos.x, camera_pos.y, camera_pos.z), evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, camera_up_vec.x, camera_up_vec.y, camera_up_vec.z)); } } } static void mouse_up_cb(void *data, Evas *e, Evas_Object *o, void *event_info) { Evas_Event_Mouse_Up *ev = event_info; Evas_Coord x, y, w, h; Evas_Coord obj_x, obj_y; int scene_w, scene_h; double scene_x, scene_y; double s, t; Evas_3D_Node *n; Evas_3D_Mesh *m; Eina_Bool pick; evas_object_geometry_get(o, &x, &y, &w, &h); obj_x = ev->canvas.x - x; obj_y = ev->canvas.y - y; eo_do(scene, evas_3d_scene_size_get(&scene_w, &scene_h)); scene_x = obj_x * scene_w / (double)w; scene_y = obj_y * scene_h / (double)h; eo_do(scene, pick = evas_3d_scene_pick(scene_x, scene_y, &n, &m, &s, &t)); if (pick) printf("Picked : "); else printf("Not picked : "); printf("output(%d, %d) canvas(%d, %d) object(%d, %d) scene(%f, %f) texcoord(%f, %f) " "node(%p) mesh(%p)\n", ev->output.x, ev->output.y, ev->canvas.x, ev->canvas.y, obj_x, obj_y, scene_x, scene_y, s, t, n, m); /* Move camera position. */ if (ev->button == 1) is_mouse_pressed = EINA_FALSE; if (elm_check_state_get(rotation_toggle)) { /* Restart rotating earth. */ animator = ecore_animator_add(animate_scene, mesh_node); } } static void mouse_wheel_cb(void *data, Evas *e, Evas_Object *o, void *event_info) { Evas_Event_Mouse_Wheel *ev = event_info; double new_zoom_factor; if (map_dimension_state == MAP_DIMENSION_STATE_2D) return; new_zoom_factor = zoom_factor - (ev->z * 0.1); zoom_factor_set(new_zoom_factor); } static void skybox_setup(void) { Evas_3D_Node *skybox_mesh_node; Evas_3D_Mesh *skybox_mesh; Evas_3D_Material *skybox_material; Evas_3D_Texture *skybox_texture_diffuse; Evas_Object *skybox_image; char buf[PATH_MAX]; skybox_mesh = eo_add(EVAS_3D_MESH_CLASS, evas); eo_do(skybox_mesh, evas_3d_mesh_vertex_count_set(24), evas_3d_mesh_frame_add(0), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION, 12 * sizeof(float), &skybox_vertices[0]), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL, 12 * sizeof(float), &skybox_vertices[3]), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR, 12 * sizeof(float), &skybox_vertices[6]), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD, 12 * sizeof(float), &skybox_vertices[10]), evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT, 36, &skybox_indices[0]), evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES)); /* Set skybox texture source image. */ skybox_image = elm_image_add(win); snprintf(buf, sizeof(buf), "%s/images/space.png", elm_app_data_dir_get()); elm_image_file_set(skybox_image, buf, NULL); evas_object_resize(skybox_image, SKYBOX_IMG_WIDTH, SKYBOX_IMG_HEIGHT); evas_object_show(skybox_image); /* Set skybox texture material. */ skybox_material = eo_add(EVAS_3D_MATERIAL_CLASS, evas); eo_do(skybox_mesh, evas_3d_mesh_frame_material_set(0, skybox_material)); skybox_texture_diffuse = eo_add(EVAS_3D_TEXTURE_CLASS, evas); eo_do(skybox_texture_diffuse, evas_3d_texture_source_set(skybox_image), evas_3d_texture_source_visible_set(EINA_FALSE)); eo_do(skybox_material, evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, skybox_texture_diffuse), evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE), evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE), evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE), evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.1, 0.1, 0.1, 1.0), evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 1.0, 1.0, 1.0, 1.0), evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 0.1, 0.1, 0.1, 1.0), evas_3d_material_shininess_set(50.0)); skybox_mesh_node = eo_add(EVAS_3D_NODE_CLASS, evas, evas_3d_node_constructor(EVAS_3D_NODE_TYPE_MESH)); eo_do(root_node, evas_3d_node_member_add(skybox_mesh_node)); eo_do(skybox_mesh_node, evas_3d_node_mesh_add(skybox_mesh)); eo_do(skybox_mesh, evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_DIFFUSE)); } static void texture_source_setup(void) { char buf[PATH_MAX]; snprintf(buf, sizeof(buf), "%s/examples/evas3d_map_example.edj", elm_app_data_dir_get()); elm_theme_extension_add(NULL, buf); /* Add a map object for the use of the texture source. */ map = elm_map_add(win); elm_object_style_set(map, "evas3d"); elm_map_source_set(map, ELM_MAP_SOURCE_TYPE_TILE, "MapQuest"); elm_scroller_policy_set (map, ELM_SCROLLER_POLICY_OFF, ELM_SCROLLER_POLICY_OFF); elm_map_zoom_mode_set(map, ELM_MAP_ZOOM_MODE_AUTO_FILL); evas_object_resize(map, IMG_SIZE, IMG_SIZE); evas_object_show(map); evas_object_smart_callback_add(map, "zoom,change", map_zoom_change_cb, NULL); evas_object_event_callback_add(map, EVAS_CALLBACK_MOUSE_DOWN, map_mouse_down_cb, map); /* Add a normal map object for the use of the normal texture source. */ normal_map = elm_image_add(win); snprintf(buf, sizeof(buf), "%s/images/earth_normal.png", elm_app_data_dir_get()); elm_image_file_set(normal_map, buf, NULL); evas_object_resize(normal_map, IMG_SIZE, IMG_SIZE); evas_object_show(normal_map); } static void camera_setup(void) { /* Add the camera. */ camera = eo_add(EVAS_3D_CAMERA_CLASS, evas); eo_do(camera, evas_3d_camera_projection_perspective_set(60.0, 1.0, 1.0, 100.0)); /* Set camera position. */ camera_pos.x = 0.0; camera_pos.y = 0.0; camera_pos.z = MAX_CAMERA_DISTANCE; /* Set camera up vector. */ camera_up_vec.x = 0.0; camera_up_vec.y = 1.0; camera_up_vec.z = 0.0; /* Set camera right vector. */ camera_right_vec.x = 1.0; camera_right_vec.y = 0.0; camera_right_vec.z = 0.0; camera_node = eo_add(EVAS_3D_NODE_CLASS, evas, evas_3d_node_constructor(EVAS_3D_NODE_TYPE_CAMERA)); eo_do(camera_node, evas_3d_node_camera_set(camera), evas_3d_node_position_set(camera_pos.x, camera_pos.y, camera_pos.z), evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, camera_up_vec.x, camera_up_vec.y, camera_up_vec.z)); eo_do(root_node, evas_3d_node_member_add(camera_node)); } static void light_setup(void) { light = eo_add(EVAS_3D_LIGHT_CLASS, evas); eo_do(light, evas_3d_light_ambient_set(0.2, 0.2, 0.2, 1.0), evas_3d_light_diffuse_set(1.0, 1.0, 1.0, 1.0), evas_3d_light_specular_set(0.2, 0.2, 0.2, 1.0)); light_node = eo_add(EVAS_3D_NODE_CLASS, evas, evas_3d_node_constructor(EVAS_3D_NODE_TYPE_LIGHT)); eo_do(light_node, evas_3d_node_light_set(light), evas_3d_node_position_set(0.0, 0.0, MAX_CAMERA_DISTANCE), evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0)); eo_do(root_node, evas_3d_node_member_add(light_node)); } static void mesh_setup(void) { /* Create a sphere mesh. */ sphere_init(50); mesh = eo_add(EVAS_3D_MESH_CLASS, evas); eo_do(mesh, evas_3d_mesh_vertex_count_set(vertex_count), evas_3d_mesh_frame_add(0), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_POSITION, sizeof(vertex), &vertices[0].position), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_NORMAL, sizeof(vertex), &vertices[0].normal), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TANGENT, sizeof(vertex), &vertices[0].tangent), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_COLOR, sizeof(vertex), &vertices[0].color), evas_3d_mesh_frame_vertex_data_set(0, EVAS_3D_VERTEX_TEXCOORD, sizeof(vertex), &vertices[0].texcoord), evas_3d_mesh_index_data_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT, index_count, &indices[0]), evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_TRIANGLES)); material = eo_add(EVAS_3D_MATERIAL_CLASS, evas); eo_do(mesh, evas_3d_mesh_frame_material_set(0, material)); texture_diffuse = eo_add(EVAS_3D_TEXTURE_CLASS, evas); eo_do(texture_diffuse, evas_3d_texture_source_set(map), evas_3d_texture_source_visible_set(EINA_FALSE)); texture_normal = eo_add(EVAS_3D_TEXTURE_CLASS, evas); eo_do(texture_normal, evas_3d_texture_source_set(normal_map), evas_3d_texture_source_visible_set(EINA_FALSE)); eo_do(material, evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, texture_diffuse), evas_3d_material_texture_set(EVAS_3D_MATERIAL_NORMAL, texture_normal), evas_3d_material_enable_set(EVAS_3D_MATERIAL_AMBIENT, EINA_TRUE), evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE), evas_3d_material_enable_set(EVAS_3D_MATERIAL_SPECULAR, EINA_TRUE), evas_3d_material_enable_set(EVAS_3D_MATERIAL_NORMAL, EINA_TRUE), evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 0.1, 0.1, 0.1, 1.0), evas_3d_material_color_set(EVAS_3D_MATERIAL_DIFFUSE, 1.0, 1.0, 1.0, 1.0), evas_3d_material_color_set(EVAS_3D_MATERIAL_SPECULAR, 0.1, 0.1, 0.1, 1.0), evas_3d_material_shininess_set(50.0)); mesh_node = eo_add(EVAS_3D_NODE_CLASS, evas, evas_3d_node_constructor(EVAS_3D_NODE_TYPE_MESH)); eo_do(root_node, evas_3d_node_member_add(mesh_node)); eo_do(mesh_node, evas_3d_node_mesh_add(mesh)); eo_do(mesh, evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_NORMAL_MAP)); } static void hoversel_cb(void *data, Evas_Object *obj, void *event_info) { elm_map_source_set(map, ELM_MAP_SOURCE_TYPE_TILE, (char *)data); zoom_factor_set(zoom_factor); } static void hoversel_setup(Evas_Object *parent) { hoversel = elm_hoversel_add(parent); elm_hoversel_hover_parent_set(hoversel, parent); elm_object_text_set(hoversel, "Map Sources"); elm_hoversel_item_add(hoversel, "Mapnik", NULL, ELM_ICON_NONE, hoversel_cb, "Mapnik"); elm_hoversel_item_add(hoversel, "CycleMap", NULL, ELM_ICON_NONE, hoversel_cb, "CycleMap"); elm_hoversel_item_add(hoversel, "MapQuest", NULL, ELM_ICON_NONE, hoversel_cb, "MapQuest"); elm_object_part_content_set(parent, "elm.swallow.hoversel", hoversel); evas_object_show(hoversel); } static void rotation_toggle_changed_cb(void *data, Evas_Object *obj, void *event_info) { /* Stop rotating earth. */ if (animator) { ecore_animator_del(animator); animator = NULL; } if (elm_check_state_get(obj)) { /* Restart rotating earth. */ animator = ecore_animator_add(animate_scene, mesh_node); } } static void rotation_toggle_setup(Evas_Object *parent) { rotation_toggle = elm_check_add(parent); elm_object_style_set(rotation_toggle, "toggle"); elm_object_text_set(rotation_toggle, "Earth Rotation"); elm_object_part_text_set(rotation_toggle, "on", "ON"); elm_object_part_text_set(rotation_toggle, "off", "OFF"); elm_check_state_set(rotation_toggle, EINA_TRUE); elm_object_part_content_set(parent, "elm.swallow.rotation_toggle", rotation_toggle); evas_object_show(rotation_toggle); evas_object_smart_callback_add(rotation_toggle, "changed", rotation_toggle_changed_cb, NULL); } static void light_toggle_changed_cb(void *data, Evas_Object *obj, void *event_info) { if (elm_check_state_get(obj)) { /* Set light position as the same as camera position. */ eo_do(light_node, evas_3d_node_position_set(camera_pos.x, camera_pos.y, camera_pos.z), evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, camera_up_vec.x, camera_up_vec.y, camera_up_vec.z)); } else { /* Set light position to default position. */ eo_do(light_node, evas_3d_node_position_set(0.0, 0.0, MAX_CAMERA_DISTANCE), evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_3D_SPACE_PARENT, 0.0, 1.0, 0.0)); } } static void light_toggle_setup(Evas_Object *parent) { light_toggle = elm_check_add(parent); elm_object_style_set(light_toggle, "toggle"); elm_object_text_set(light_toggle, "Light on Camera"); elm_object_part_text_set(light_toggle, "on", "ON"); elm_object_part_text_set(light_toggle, "off", "OFF"); elm_check_state_set(light_toggle, EINA_FALSE); elm_object_part_content_set(parent, "elm.swallow.light_toggle", light_toggle); evas_object_show(light_toggle); evas_object_smart_callback_add(light_toggle, "changed", light_toggle_changed_cb, NULL); } static void slider_changed_cb(void *data, Evas_Object *obj, void *event_info) { double new_zoom_factor = ROUND(elm_slider_value_get(obj)); if (new_zoom_factor == zoom_factor) return; zoom_factor_set(new_zoom_factor); } static void zoom_slider_setup(Evas_Object *parent) { zoom_slider = elm_slider_add(parent); elm_object_text_set(zoom_slider, "Zoom Factor"); elm_slider_unit_format_set(zoom_slider, "X%1.1f"); elm_slider_indicator_format_set(zoom_slider, "%1.1f"); elm_slider_span_size_set(zoom_slider, 100); elm_slider_min_max_set(zoom_slider, MIN_3D_ZOOM_FACTOR, MAX_3D_ZOOM_FACTOR); elm_object_part_content_set(parent, "elm.swallow.zoom_slider", zoom_slider); evas_object_show(zoom_slider); evas_object_smart_callback_add(zoom_slider, "changed", slider_changed_cb, NULL); } EAPI_MAIN int elm_main(int argc, char **argv) { char buf[PATH_MAX]; elm_app_info_set(elm_main, "elementary", "examples/evas3d_map_example.edj"); elm_config_preferred_engine_set("opengl_x11"); elm_policy_set(ELM_POLICY_QUIT, ELM_POLICY_QUIT_LAST_WINDOW_CLOSED); /* Add a window. */ win = elm_win_util_standard_add("elm_map_evas3d", "Elm_Map_Evas3d"); elm_win_autodel_set(win, EINA_TRUE); evas = evas_object_evas_get(win); /* Add a background. */ bg = evas_object_rectangle_add(evas); evas_object_color_set(bg, 0, 0, 0, 255); evas_object_resize(bg, WIDTH, HEIGHT); evas_object_show(bg); /* Add an image which shows a scene. */ image = evas_object_image_filled_add(evas); evas_object_resize(image, WIDTH, HEIGHT); evas_object_show(image); evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_DOWN, mouse_down_cb, NULL); evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_MOVE, mouse_move_cb, NULL); evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_UP, mouse_up_cb, NULL); evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_WHEEL, mouse_wheel_cb, NULL); /* Add a scene object. */ scene = eo_add(EVAS_3D_SCENE_CLASS, evas); /* Add a root node for the scene. */ root_node = eo_add(EVAS_3D_NODE_CLASS, evas, evas_3d_node_constructor(EVAS_3D_NODE_TYPE_NODE)); skybox_setup(); texture_source_setup(); camera_setup(); light_setup(); mesh_setup(); /* Set up scene. */ eo_do(scene, evas_3d_scene_root_node_set(root_node), evas_3d_scene_camera_node_set(camera_node), evas_3d_scene_size_set(WIDTH, HEIGHT)); eo_do(image, evas_obj_image_scene_set(scene)); /* Add a layout for controlers. */ control_layout = elm_layout_add(win); snprintf(buf, sizeof(buf), "%s/examples/evas3d_map_example.edj", elm_app_data_dir_get()); elm_layout_file_set(control_layout, buf, "control_layout"); evas_object_resize(control_layout, WIDTH, HEIGHT); evas_object_show(control_layout); /* Set up controlers. */ hoversel_setup(control_layout); rotation_toggle_setup(control_layout); light_toggle_setup(control_layout); zoom_slider_setup(control_layout); /* Start rotating earth */ animator = ecore_animator_add(animate_scene, mesh_node); evas_object_resize(win, WIDTH, HEIGHT); evas_object_show(win); elm_run(); elm_shutdown(); sphere_fini(); return 0; } ELM_MAIN();