/**
- * This example illustrating use of shadows in the scene and callbacks(clicked, collision).
+ * This example illustrating use of shadows, callbacks(clicked, collision),
+ * and technic of the billboard.
* Model and cube are clickable. Model detects collision with sphere.
* Cube detects collision with sphere, model and cone.
* @see evas_3d_scene_shadows_enable_set(Eina_Bool _shadows_enabled)
* @see evas_3d_object_callback_register
+ * @see evas_3d_billboard_set/get
*
* @verbatim
* gcc -o evas-3d-shadows evas-3d-shadows.c evas-3d-primitives.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo eina` -lm
#define SPECULAR_LIGHT 1.0, 1.0, 1.0
static const char *model_path = PACKAGE_EXAMPLES_DIR EVAS_MODEL_FOLDER "/sonic.md2";
-
+static const char *image_path = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/sonic.png";
+static const char *b_image_path = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/billboard.png";
static const vec2 tex_scale = {1, 1};
static const vec2 fence_tex_scale = {80, 6};
Eo *material;
Eo *mesh;
Eo *node;
+ Eo *texture;
} Body_3D;
typedef struct _Scene_Data
Eo *camera;
Eo *light_node;
Eo *light;
+ Eo *mediator;
Body_3D sphere;
Body_3D cube;
Body_3D model;
Body_3D cone;
Body_3D fence;
+ Body_3D billboard;
+
+ Eina_Bool init;
} Scene_Data;
static void
{
fprintf(stdout, "Press 'w'/'s' key to move up/down object\n");
fprintf(stdout, "Press 'a'/'d' key to move left/right object\n");
- fprintf(stdout, "Press 'q'/'e' key to to move near/far object\n");
+ fprintf(stdout, "Press 'q'/'e' key to move near/far object\n");
fprintf(stdout, "Cude and model can be moved.\n");
fprintf(stdout, "Cube detects intersection with model, sphere, cone\n");
fprintf(stdout, "Model detects intersection with sphere\n");
+ fprintf(stdout, "Press '1'/'2' key to change kind of node - billboard/normal model\n");
+ fprintf(stdout, "Press Up/Down key to change position of camera\n");
+ fprintf(stdout, "Press 'i' key to return initial view of scene\n");
}
static Eina_Bool
_animate_scene(void *data)
{
- static int frame = 0;
- Body_3D *body = (Body_3D *)data;
-
- eo_do(body->node, evas_3d_node_mesh_frame_set(body->mesh, frame));
-
- /*frame += 32;*/
-
- if (frame > 256 * 20) frame = 0;
+ static float angle = 0;
+ Evas_Real x, y, z;
+ Scene_Data *scene = (Scene_Data *)data;
+ if (scene->init)
+ {
+ eo_do(scene->mediator,
+ evas_3d_node_position_get(EVAS_3D_SPACE_PARENT, &x, &y, &z));
+ eo_do(scene->mediator,
+ evas_3d_node_position_set(sin(angle) * 20 , y , cos(angle) * 20),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 3.0, 0.0,
+ EVAS_3D_SPACE_PARENT, 0.0, 5.0, 0.0));
+ angle += 0.005;
+ if (angle > 360) angle = 0.0;
+ }
+ else
+ eo_do(scene->mediator,
+ evas_3d_node_position_set(0.0, 6.0, 12.0),
+ evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 3.0, 0.0,
+ EVAS_3D_SPACE_PARENT, 0.0, 5.0, 0.0));
return 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_texture_set(EVAS_3D_MATERIAL_NORMAL, texture1),
+ evas_3d_material_color_set(EVAS_3D_MATERIAL_AMBIENT, 1.0, 1.0, 1.0, 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, 1.0, 1.0, 1.0, 1.0),
evas_3d_material_shininess_set(100.0));
fence->mesh = eo_add(EVAS_3D_MESH_CLASS, evas);
evas_3d_add_cylinder_frame(fence->mesh, 0, 50, fence_tex_scale);
static void
_model_setup(Body_3D *model)
{
- Eo *texture = eo_add(EVAS_3D_TEXTURE_CLASS, evas);
- eo_do(texture,
- evas_3d_texture_file_set(PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/sonic.png", NULL),
+ model->texture = eo_add(EVAS_3D_TEXTURE_CLASS, evas);
+ eo_do(model->texture,
+ evas_3d_texture_file_set(image_path, NULL),
evas_3d_texture_filter_set(EVAS_3D_TEXTURE_FILTER_NEAREST,
EVAS_3D_TEXTURE_FILTER_NEAREST),
evas_3d_texture_wrap_set(EVAS_3D_WRAP_MODE_REPEAT,
model->material = eo_add(EVAS_3D_MATERIAL_CLASS, evas);
eo_do(model->material,
- evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, texture),
- evas_3d_material_texture_set(EVAS_3D_MATERIAL_AMBIENT, texture),
+ evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, model->texture),
+ evas_3d_material_texture_set(EVAS_3D_MATERIAL_AMBIENT, model->texture),
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),
model->mesh = eo_add(EVAS_3D_MESH_CLASS, evas);
-
eo_do(model->mesh,
efl_file_set(model_path, NULL),
evas_3d_mesh_frame_material_set(0, model->material),
}
static void
+_billboard_setup(Scene_Data *data)
+{
+ data->billboard.texture = eo_add(EVAS_3D_TEXTURE_CLASS, evas);
+ eo_do(data->billboard.texture,
+ evas_3d_texture_file_set(b_image_path, NULL),
+ evas_3d_texture_filter_set(EVAS_3D_TEXTURE_FILTER_NEAREST,
+ EVAS_3D_TEXTURE_FILTER_NEAREST),
+ evas_3d_texture_wrap_set(EVAS_3D_WRAP_MODE_REPEAT,
+ EVAS_3D_WRAP_MODE_REPEAT));
+
+ data->billboard.mesh = eo_add(EVAS_3D_MESH_CLASS, evas);
+ evas_3d_add_square_frame(data->billboard.mesh, 0);
+
+ _body_material_set(&(data->billboard), 1.0, 1.0, 1.0);
+
+ eo_do(data->billboard.material,
+ evas_3d_material_texture_set(EVAS_3D_MATERIAL_DIFFUSE, data->billboard.texture));
+
+ eo_do(data->billboard.mesh,
+ evas_3d_mesh_frame_material_set(0, data->billboard.material),
+ evas_3d_mesh_alpha_func_set(EVAS_3D_COMPARISON_GREATER, 0),
+ evas_3d_mesh_alpha_test_enable_set(EINA_TRUE),
+ evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_DIFFUSE),
+ evas_3d_mesh_blending_enable_set(EINA_TRUE),
+ evas_3d_mesh_blending_func_set(EVAS_3D_BLEND_SRC_ALPHA,
+ EVAS_3D_BLEND_ONE_MINUS_SRC_ALPHA));
+
+ data->billboard.node = eo_add(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_MESH));
+ eo_do(data->billboard.node,
+ evas_3d_node_mesh_add(data->billboard.mesh),
+ evas_3d_node_position_set(0.0, 2.0, 0.0),
+ evas_3d_node_scale_set(2.2, 4.6, 4.0));
+
+ eo_do(data->billboard.node,
+ evas_3d_node_billboard_target_set(data->mediator));
+}
+
+static void
_camera_setup(Scene_Data *data)
{
data->camera = eo_add(EVAS_3D_CAMERA_CLASS, evas);
+ data->mediator = eo_add(EVAS_3D_NODE_CLASS, evas,
+ evas_3d_node_constructor(EVAS_3D_NODE_TYPE_NODE));
eo_do(data->camera,
- evas_3d_camera_projection_perspective_set(50.0, 1.0, 2.0, 50.0));
+ evas_3d_camera_projection_perspective_set(50.0, 1.0, 2.0, 100.0));
data->camera_node =
eo_add(EVAS_3D_NODE_CLASS, evas,
evas_3d_node_constructor(EVAS_3D_NODE_TYPE_CAMERA));
eo_do(data->camera_node,
- evas_3d_node_camera_set(data->camera),
+ evas_3d_node_camera_set(data->camera));
+
+
+ eo_do(data->mediator,
evas_3d_node_position_set(0.0, 6.0, 12.0),
evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 0.0, 3.0, 0.0,
EVAS_3D_SPACE_PARENT, 0.0, 5.0, 0.0));
- eo_do(data->root_node, evas_3d_node_member_add(data->camera_node));
+ eo_do(data->mediator, evas_3d_node_member_add(data->camera_node));
+ eo_do(data->root_node, evas_3d_node_member_add(data->mediator));
}
static void
evas_3d_node_constructor(EVAS_3D_NODE_TYPE_LIGHT));
eo_do(data->light_node,
evas_3d_node_light_set(data->light),
- evas_3d_node_position_set(50.0, 50.0, 20.0),
+ evas_3d_node_position_set(50.0, 50.0, 70.0),
evas_3d_node_look_at_set(EVAS_3D_SPACE_PARENT, 15.0, 0.0, -5.0,
EVAS_3D_SPACE_PARENT, 0.0, 0.0, 1.0));
eo_do(data->root_node, evas_3d_node_member_add(data->light_node));
static void
_scene_setup(Scene_Data *data)
{
+ data->init = EINA_FALSE;
+
data->scene = eo_add(EVAS_3D_SCENE_CLASS, evas);
eo_do(data->scene,
_model_setup(&data->model);
_cone_setup(&data->cone);
_fence_setup(&data->fence);
+ _billboard_setup(data);
- eo_do(data->root_node,
+ eo_do(data->root_node,
evas_3d_node_member_add(data->sphere.node),
evas_3d_node_member_add(data->cube.node),
evas_3d_node_member_add(data->cylinder.node),
_on_key_down(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info)
{
Evas_Event_Key_Down *ev = event_info;
+ Scene_Data *scene = (Scene_Data *)data;
if (!strcmp("w", ev->key))
{
Evas_Real x, y, z;
eo_do(choosed_node, evas_3d_node_position_get(EVAS_3D_SPACE_PARENT, &x, &y, &z));
eo_do(choosed_node, evas_3d_node_position_set(x, y, z + STEP));
}
+ else if(!strcmp("1", ev->key))
+ {
+ eo_do(scene->root_node, evas_3d_node_member_del(scene->model.node));
+ eo_do(scene->root_node, evas_3d_node_member_add(scene->billboard.node));
+ }
+ else if(!strcmp("2", ev->key))
+ {
+ eo_do(scene->root_node, evas_3d_node_member_add(scene->model.node));
+ eo_do(scene->root_node, evas_3d_node_member_del(scene->billboard.node));
+ }
+ else if(!strcmp("Up", ev->key))
+ {
+ Evas_Real x, y, z;
+ eo_do(scene->camera_node, evas_3d_node_position_get(EVAS_3D_SPACE_PARENT, &x, &y, &z));
+ eo_do(scene->camera_node, evas_3d_node_position_set(x, y, z + STEP));
+ }
+ else if(!strcmp("Down", ev->key))
+ {
+ Evas_Real x, y, z;
+ eo_do(scene->camera_node, evas_3d_node_position_get(EVAS_3D_SPACE_PARENT, &x, &y, &z));
+ eo_do(scene->camera_node, evas_3d_node_position_set(x, y, z - STEP));
+ }
+ else if (!strcmp("i", ev->key))
+ {
+ scene->init = !scene->init;
+ eo_do(scene->model.node, evas_3d_node_position_set(0.0, 0.0, 0.0));
+ eo_do(scene->billboard.node, evas_3d_node_position_set(0.0, 2.0, 0.0));
+ }
else
{
_show_help();
eo_do(data.model.node, eo_event_callback_add(EVAS_3D_OBJECT_EVENT_CLICKED, _cb_clicked, NULL));
eo_do(data.model.node, eo_event_callback_add(EVAS_3D_OBJECT_EVENT_COLLISION, _cb_collision, nodes1));
+ eo_do(data.billboard.node, eo_event_callback_add(EVAS_3D_OBJECT_EVENT_CLICKED, _cb_clicked, NULL));
+ eo_do(data.billboard.node, eo_event_callback_add(EVAS_3D_OBJECT_EVENT_COLLISION, _cb_collision, nodes1));
+
evas_object_event_callback_add(image, EVAS_CALLBACK_MOUSE_DOWN, _on_mouse_down, &data);
evas_object_event_callback_add(image, EVAS_CALLBACK_KEY_DOWN, _on_key_down, &data);
/* Add animator. */
ecore_animator_frametime_set(0.008);
- anim = ecore_animator_add(_animate_scene, &data.model);
+ anim = ecore_animator_add(_animate_scene, &data);
/* Enter main loop. */
ecore_main_loop_begin();
Evas_3D_Mesh_Frame *evas_3d_mesh_frame_find(Evas_3D_Mesh_Data *pd, int frame);
+static void
+_look_at_set(Evas_3D_Node_Data *pd, Evas_Vec3 *target, Evas_Vec3 *up);
+
static Eina_Stringshare *
_generate_unic_color_key(Evas_Color *color, Evas_Color *bg_color, Evas_3D_Node *node, Evas_3D_Mesh *mesh,
Eina_Bool init)
{
eo_do(n, evas_3d_object_change(EVAS_3D_STATE_NODE_PARENT_SCALE, obj));
}
- if (orientation)
+ if (orientation && !(pd->billboard_target))
EINA_LIST_FOREACH(pd->members, l, n)
{
+ /*Skip change orientation if node is billboard*/
+ Evas_3D_Node_Data *pdm = eo_data_scope_get(n, EVAS_3D_NODE_CLASS);
+ if (pdm->billboard_target)
+ continue;
eo_do(n, evas_3d_object_change(EVAS_3D_STATE_NODE_PARENT_ORIENTATION, obj));
}
if (position)
}
static Eina_Bool
+_node_billboard_update(Evas_3D_Node *node, void *data EINA_UNUSED)
+{
+ Evas_Vec3 target;
+ Evas_Vec3 up;
+ Evas_3D_Node_Data *pd_node = eo_data_scope_get(node, MY_CLASS);
+ if (pd_node->billboard_target)
+ {
+ Evas_3D_Node_Data *pd_target = eo_data_scope_get(pd_node->billboard_target,
+ MY_CLASS);
+ evas_vec3_set(&target, pd_target->position.x, pd_target->position.y,
+ pd_target->position.z);
+ evas_vec3_set(&up, 0, 1, 0);
+
+ _look_at_set(pd_node, &target, &up);
+
+ if (pd_node->type == EVAS_3D_NODE_TYPE_MESH)
+ {
+ evas_mat4_build(&pd_node->data.mesh.matrix_local_to_world,
+ &pd_node->position, &pd_node->orientation,
+ &pd_node->scale);
+ }
+ else if (pd_node->type == EVAS_3D_NODE_TYPE_LIGHT)
+ {
+ evas_mat4_build(&pd_node->data.light.matrix_local_to_world,
+ &pd_node->position, &pd_node->orientation,
+ &pd_node->scale);
+ }
+ else if (pd_node->type == EVAS_3D_NODE_TYPE_CAMERA)
+ {
+ evas_mat4_inverse_build(&pd_node->data.light.matrix_local_to_world,
+ &pd_node->position, &pd_node->orientation,
+ &pd_node->scale);
+ }
+ else
+ ERR("Not supported type of node: line %d in file %s", __LINE__ , __FILE__);
+ }
+ return EINA_TRUE;
+}
+
+static Eina_Bool
_node_item_update(Evas_3D_Node *node, void *data EINA_UNUSED)
{
Evas_3D_Node_Data *pd = eo_data_scope_get(node, EVAS_3D_NODE_CLASS);
/* Update transform. */
evas_3d_node_tree_traverse(obj, EVAS_3D_TREE_TRAVERSE_LEVEL_ORDER, EINA_FALSE,
_node_transform_update, NULL);
-
+ /*Update billboard*/
+ evas_3d_node_tree_traverse(obj, EVAS_3D_TREE_TRAVERSE_ANY_ORDER, EINA_FALSE,
+ _node_billboard_update, NULL);
/* Update AABB. */
evas_3d_node_tree_traverse(obj, EVAS_3D_TREE_TRAVERSE_POST_ORDER, EINA_FALSE,
_node_aabb_update, NULL);
pd->orientation_inherit = EINA_TRUE;
pd->scale_inherit = EINA_TRUE;
pd->data.mesh.node_meshes = 0;
+ pd->billboard_target = NULL;
evas_box3_set(&pd->aabb, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0);
return pd->scale_inherit;
}
-EOLIAN static void
-_evas_3d_node_look_at_set(Eo *obj, Evas_3D_Node_Data *pd,
- Evas_3D_Space target_space, Evas_Real tx, Evas_Real ty, Evas_Real tz,
- Evas_3D_Space up_space, Evas_Real ux, Evas_Real uy, Evas_Real uz)
+static void
+_look_at_set(Evas_3D_Node_Data *pd, Evas_Vec3 *target, Evas_Vec3 *up)
{
- Evas_Vec3 target;
- Evas_Vec3 up;
Evas_Vec3 x, y, z;
- /* Target position in parent space. */
- if (target_space == EVAS_3D_SPACE_LOCAL)
- {
- ERR("TODO:");
- return;
- }
- else if (target_space == EVAS_3D_SPACE_PARENT)
- {
- evas_vec3_set(&target, tx, ty, tz);
- }
- else if (target_space == EVAS_3D_SPACE_WORLD)
- {
- ERR("TODO:");
- return;
- }
- else
- {
- ERR("Invalid coordinate space.");
- return;
- }
-
- if (up_space == EVAS_3D_SPACE_LOCAL)
- {
- evas_vec3_set(&up, ux, uy, uz);
- //ERR("TODO:");
- //return;
- }
- else if (up_space == EVAS_3D_SPACE_PARENT)
- {
- evas_vec3_set(&up, ux, uy, uz);
- }
- else if (up_space == EVAS_3D_SPACE_WORLD)
- {
- ERR("TODO:");
- return;
- }
- else
- {
- ERR("Invalid coordinate space.");
- return;
- }
-
- /* From now on, everything takes place in parent space. */
- evas_vec3_subtract(&z, &pd->position, &target);
+ evas_vec3_subtract(&z, &pd->position, target);
evas_vec3_normalize(&z, &z);
- evas_vec3_cross_product(&x, &up, &z);
+ evas_vec3_cross_product(&x, up, &z);
evas_vec3_normalize(&x, &x);
evas_vec3_cross_product(&y, &z, &x);
pd->orientation.x = (z.x + x.z) * s;
pd->orientation.y = (y.z + z.y) * s;
}
+}
+
+EOLIAN static void
+_evas_3d_node_look_at_set(Eo *obj, Evas_3D_Node_Data *pd,
+ Evas_3D_Space target_space, Evas_Real tx, Evas_Real ty, Evas_Real tz,
+ Evas_3D_Space up_space, Evas_Real ux, Evas_Real uy, Evas_Real uz)
+{
+ Evas_Vec3 target;
+ Evas_Vec3 up;
+
+ /* Target position in parent space. */
+ if (target_space == EVAS_3D_SPACE_LOCAL)
+ {
+ ERR("TODO:");
+ return;
+ }
+ else if (target_space == EVAS_3D_SPACE_PARENT)
+ {
+ evas_vec3_set(&target, tx, ty, tz);
+ }
+ else if (target_space == EVAS_3D_SPACE_WORLD)
+ {
+ ERR("TODO:");
+ return;
+
+ }
+ else
+ {
+ ERR("Invalid coordinate space.");
+ return;
+ }
+
+ if (up_space == EVAS_3D_SPACE_LOCAL)
+ {
+ evas_vec3_set(&up, ux, uy, uz);
+ //ERR("TODO:");
+ //return;
+ }
+ else if (up_space == EVAS_3D_SPACE_PARENT)
+ {
+ evas_vec3_set(&up, ux, uy, uz);
+ }
+ else if (up_space == EVAS_3D_SPACE_WORLD)
+ {
+ ERR("TODO:");
+ return;
+ }
+ else
+ {
+ ERR("Invalid coordinate space.");
+ return;
+ }
+
+ _look_at_set(pd, &target, &up);
eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_NODE_TRANSFORM_ORIENTATION, NULL));
}
if (r) *r = pd->bsphere.radius;
}
+EOLIAN static void
+_evas_3d_node_billboard_target_set(Eo *obj EINA_UNUSED, Evas_3D_Node_Data *pd,
+ Eo *target)
+{
+ if (pd->billboard_target != target)
+ {
+ pd->billboard_target = target;
+ eo_do(obj, evas_3d_object_change(EVAS_3D_STATE_NODE_PARENT_BILLBOARD, NULL));
+ }
+}
+
+EOLIAN static Evas_3D_Node *
+_evas_3d_node_billboard_target_get(Eo *obj EINA_UNUSED, Evas_3D_Node_Data *pd)
+{
+ return pd->billboard_target;
+}
#include "canvas/evas_3d_node.eo.c"
projects / platform / upstream / efl.git / commitdiff
