2015-02-23 05:25:49 -08:00
|
|
|
/**
|
|
|
|
* Example illustrating usage of parallax occlusion shading and texture animation.
|
|
|
|
*
|
|
|
|
* Press "n" for use normal mapping shading. Pres "p" for use parallax occlusion mapping shading.
|
|
|
|
*
|
|
|
|
* @verbatim
|
2015-05-29 09:14:08 -07:00
|
|
|
* gcc -o evas-3d-parallax-occlusion evas-3d-parallax-occlusion.c `pkg-config --libs --cflags evas ecore ecore-evas eo efl`-lm
|
2015-02-23 05:25:49 -08:00
|
|
|
* @endverbatim
|
|
|
|
*/
|
|
|
|
|
2015-03-18 03:46:55 -07:00
|
|
|
#ifdef HAVE_CONFIG_H
|
|
|
|
#include "config.h"
|
|
|
|
#else
|
|
|
|
#define PACKAGE_EXAMPLES_DIR "."
|
2015-02-23 05:25:49 -08:00
|
|
|
#define EFL_EO_API_SUPPORT
|
|
|
|
#define EFL_BETA_API_SUPPORT
|
2015-03-18 03:46:55 -07:00
|
|
|
#endif
|
2015-02-23 05:25:49 -08:00
|
|
|
|
|
|
|
#include <Eo.h>
|
|
|
|
#include <Evas.h>
|
|
|
|
#include <Ecore.h>
|
|
|
|
#include <Ecore_Evas.h>
|
2015-03-18 03:46:55 -07:00
|
|
|
#include "evas-common.h"
|
2015-02-23 05:25:49 -08:00
|
|
|
|
|
|
|
#define WIDTH 400
|
|
|
|
#define HEIGHT 400
|
|
|
|
|
2015-04-05 19:01:14 -07:00
|
|
|
static const char *rock_diffuse = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/rocks.jpg";
|
|
|
|
static const char *rock_n_and_height_map = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/rocks_NM_height.tga";
|
|
|
|
static const char *wood_diffuse = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/wood.jpg";
|
|
|
|
static const char *wood_n_and_height_map = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/four_NM_height.tga";
|
2015-03-18 03:46:55 -07:00
|
|
|
|
2015-02-23 05:25:49 -08:00
|
|
|
typedef struct _Scene_Data
|
|
|
|
{
|
|
|
|
Eo *scene;
|
|
|
|
Eo *root_node;
|
|
|
|
Eo *camera_node;
|
|
|
|
Eo *light_node;
|
|
|
|
Eo *mesh_node;
|
|
|
|
|
|
|
|
Eo *camera;
|
|
|
|
Eo *light;
|
|
|
|
Eo *mesh;
|
2015-05-29 09:14:08 -07:00
|
|
|
Eo *cube;
|
2015-02-23 05:25:49 -08:00
|
|
|
Eo *material_rocks;
|
|
|
|
Eo *material_wood;
|
|
|
|
Eo *texture_rocks;
|
|
|
|
Eo *texture_rocks_n;
|
|
|
|
Eo *texture_wood;
|
|
|
|
Eo *texture_four_n;
|
|
|
|
} Scene_Data;
|
|
|
|
|
|
|
|
static Ecore_Evas *ecore_evas = NULL;
|
|
|
|
static Evas *evas = NULL;
|
|
|
|
static Eo *background = NULL;
|
|
|
|
static Eo *image = NULL;
|
|
|
|
|
|
|
|
static void
|
|
|
|
_on_key_down(void *data, Evas *e EINA_UNUSED, Evas_Object *eo EINA_UNUSED, void *event_info)
|
|
|
|
{
|
|
|
|
Scene_Data *scene = (Scene_Data *)data;
|
|
|
|
Evas_Event_Key_Down *ev = event_info;
|
|
|
|
|
|
|
|
if (!strcmp("n", ev->key))
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_mesh_shade_mode_set(scene->mesh, EVAS_CANVAS3D_SHADE_MODE_NORMAL_MAP);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
|
|
|
if (!strcmp("p", ev->key))
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_mesh_shade_mode_set(scene->mesh, EVAS_CANVAS3D_SHADE_MODE_PARALLAX_OCCLUSION);
|
2015-02-23 05:25:49 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_on_delete(Ecore_Evas *ee EINA_UNUSED)
|
|
|
|
{
|
|
|
|
ecore_main_loop_quit();
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_on_canvas_resize(Ecore_Evas *ee)
|
|
|
|
{
|
|
|
|
int w, h;
|
|
|
|
|
|
|
|
ecore_evas_geometry_get(ee, NULL, NULL, &w, &h);
|
2016-03-01 10:06:28 -08:00
|
|
|
efl_gfx_size_set(background, w, h);
|
|
|
|
efl_gfx_size_set(image, w, h);
|
2015-02-23 05:25:49 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
static Eina_Bool
|
|
|
|
_animate_scene(void *data)
|
|
|
|
{
|
|
|
|
static float angle = 0.0f;
|
|
|
|
Scene_Data *scene = (Scene_Data *)data;
|
|
|
|
|
|
|
|
angle += 0.5;
|
|
|
|
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_node_orientation_angle_axis_set(scene->mesh_node, angle, 0.0, 1.0, 0.0);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_node_mesh_frame_set(scene->mesh_node, scene->mesh, 50 * (1 + sin(angle / 180.0 * M_PI)));
|
2015-02-23 05:25:49 -08:00
|
|
|
/* Rotate */
|
|
|
|
if (angle > 360.0) angle = 0.0f;
|
|
|
|
|
|
|
|
return EINA_TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_camera_setup(Scene_Data *data)
|
|
|
|
{
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->camera, EVAS_CANVAS3D_CAMERA_CLASS, evas);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_camera_projection_perspective_set(data->camera, 30.0, 1.0, 2.0, 50.0);
|
|
|
|
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->camera_node, EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(data->camera_node, EVAS_CANVAS3D_NODE_TYPE_CAMERA));
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_node_camera_set(data->camera_node, data->camera);
|
|
|
|
evas_canvas3d_node_position_set(data->camera_node, 0.0, 0.0, 10.0);
|
|
|
|
evas_canvas3d_node_look_at_set(data->camera_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0);
|
|
|
|
evas_canvas3d_node_member_add(data->root_node, data->camera_node);
|
2015-02-23 05:25:49 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_light_setup(Scene_Data *data)
|
|
|
|
{
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->light, EVAS_CANVAS3D_LIGHT_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_light_ambient_set(data->light, 0.2, 0.2, 0.2, 1.0);
|
|
|
|
evas_canvas3d_light_diffuse_set(data->light, 1.0, 1.0, 1.0, 1.0);
|
|
|
|
evas_canvas3d_light_specular_set(data->light, 1.0, 1.0, 1.0, 1.0);
|
|
|
|
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->light_node, EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(data->light_node, EVAS_CANVAS3D_NODE_TYPE_LIGHT));
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_node_light_set(data->light_node, data->light);
|
|
|
|
evas_canvas3d_node_position_set(data->light_node, -20.0, 20.0, 50.0);
|
|
|
|
evas_canvas3d_node_look_at_set(data->light_node, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 0.0, 0.0, EVAS_CANVAS3D_SPACE_PARENT, 0.0, 1.0, 0.0);
|
|
|
|
evas_canvas3d_node_member_add(data->root_node, data->light_node);
|
2015-02-23 05:25:49 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_mesh_setup(Scene_Data *data)
|
|
|
|
{
|
|
|
|
/* Setup material. */
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->material_rocks, EVAS_CANVAS3D_MATERIAL_CLASS, evas);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->texture_rocks, EVAS_CANVAS3D_TEXTURE_CLASS, evas);
|
|
|
|
eo_add(&data->texture_rocks_n, EVAS_CANVAS3D_TEXTURE_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_texture_file_set(data->texture_rocks, rock_diffuse, NULL);
|
|
|
|
evas_canvas3d_texture_wrap_set(data->texture_rocks, EVAS_CANVAS3D_WRAP_MODE_REPEAT, EVAS_CANVAS3D_WRAP_MODE_REPEAT);
|
|
|
|
evas_canvas3d_texture_file_set(data->texture_rocks_n, rock_n_and_height_map, NULL);
|
|
|
|
evas_canvas3d_texture_wrap_set(data->texture_rocks_n, EVAS_CANVAS3D_WRAP_MODE_REPEAT, EVAS_CANVAS3D_WRAP_MODE_REPEAT);
|
|
|
|
|
|
|
|
evas_canvas3d_material_texture_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, data->texture_rocks_n);
|
|
|
|
evas_canvas3d_material_texture_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, data->texture_rocks);
|
|
|
|
evas_canvas3d_material_texture_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, data->texture_rocks);
|
|
|
|
evas_canvas3d_material_texture_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, data->texture_rocks);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_color_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.1, 0.1, 0.1, 1.0);
|
|
|
|
evas_canvas3d_material_color_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 1.0, 1.0, 1.0, 1.0);
|
|
|
|
evas_canvas3d_material_color_set(data->material_rocks, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0);
|
|
|
|
evas_canvas3d_material_shininess_set(data->material_rocks, 100.0);
|
2015-06-17 07:31:14 -07:00
|
|
|
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->material_wood, EVAS_CANVAS3D_MATERIAL_CLASS, evas);
|
2015-06-17 07:31:14 -07:00
|
|
|
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->texture_wood, EVAS_CANVAS3D_TEXTURE_CLASS, evas);
|
|
|
|
eo_add(&data->texture_four_n, EVAS_CANVAS3D_TEXTURE_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_texture_file_set(data->texture_wood, wood_diffuse, NULL);
|
|
|
|
evas_canvas3d_texture_wrap_set(data->texture_wood, EVAS_CANVAS3D_WRAP_MODE_REPEAT, EVAS_CANVAS3D_WRAP_MODE_REPEAT);
|
|
|
|
evas_canvas3d_texture_file_set(data->texture_four_n, wood_n_and_height_map, NULL);
|
|
|
|
evas_canvas3d_texture_wrap_set(data->texture_four_n, EVAS_CANVAS3D_WRAP_MODE_REPEAT, EVAS_CANVAS3D_WRAP_MODE_REPEAT);
|
|
|
|
|
|
|
|
evas_canvas3d_material_texture_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, data->texture_four_n);
|
|
|
|
evas_canvas3d_material_texture_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, data->texture_wood);
|
|
|
|
evas_canvas3d_material_texture_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, data->texture_wood);
|
|
|
|
evas_canvas3d_material_texture_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, data->texture_wood);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_enable_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
|
|
|
|
evas_canvas3d_material_color_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.1, 0.1, 0.1, 1.0);
|
|
|
|
evas_canvas3d_material_color_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 1.0, 1.0, 1.0, 1.0);
|
|
|
|
evas_canvas3d_material_color_set(data->material_wood, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0);
|
|
|
|
evas_canvas3d_material_shininess_set(data->material_wood, 100.0);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
2015-05-29 09:14:08 -07:00
|
|
|
/* Set data of primitive */
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->cube, EVAS_CANVAS3D_PRIMITIVE_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_primitive_form_set(data->cube, EVAS_CANVAS3D_MESH_PRIMITIVE_CUBE);
|
2015-05-29 09:14:08 -07:00
|
|
|
|
2015-02-23 05:25:49 -08:00
|
|
|
/* Setup mesh. */
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->mesh, EVAS_CANVAS3D_MESH_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_mesh_from_primitive_set(data->mesh, 0, data->cube);
|
|
|
|
evas_canvas3d_mesh_from_primitive_set(data->mesh, 100, data->cube);
|
|
|
|
evas_canvas3d_mesh_shade_mode_set(data->mesh, EVAS_CANVAS3D_SHADE_MODE_PARALLAX_OCCLUSION);
|
|
|
|
evas_canvas3d_mesh_frame_material_set(data->mesh, 0, data->material_rocks);
|
|
|
|
|
|
|
|
evas_canvas3d_mesh_frame_material_set(data->mesh, 100, data->material_wood);
|
|
|
|
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->mesh_node, EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(data->mesh_node, EVAS_CANVAS3D_NODE_TYPE_MESH));
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_node_member_add(data->root_node, data->mesh_node);
|
|
|
|
evas_canvas3d_node_mesh_add(data->mesh_node, data->mesh);
|
|
|
|
evas_canvas3d_node_scale_set(data->mesh_node, 3, 3, 3);
|
2015-02-23 05:25:49 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
static void
|
|
|
|
_scene_setup(Scene_Data *data)
|
|
|
|
{
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->scene, EVAS_CANVAS3D_SCENE_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_scene_size_set(data->scene, WIDTH, HEIGHT);
|
|
|
|
evas_canvas3d_scene_background_color_set(data->scene, 0.0, 0.0, 0.0, 0.0);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&data->root_node, EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_constructor(data->root_node, EVAS_CANVAS3D_NODE_TYPE_NODE));
|
2015-02-23 05:25:49 -08:00
|
|
|
|
|
|
|
_camera_setup(data);
|
|
|
|
_light_setup(data);
|
|
|
|
_mesh_setup(data);
|
|
|
|
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_canvas3d_scene_root_node_set(data->scene, data->root_node);
|
|
|
|
evas_canvas3d_scene_camera_node_set(data->scene, data->camera_node);
|
2015-02-23 05:25:49 -08:00
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
main(void)
|
|
|
|
{
|
|
|
|
//Unless Evas 3D supports Software renderer, we set gl backened forcely.
|
|
|
|
setenv("ECORE_EVAS_ENGINE", "opengl_x11", 1);
|
|
|
|
|
|
|
|
Scene_Data data;
|
|
|
|
|
|
|
|
if (!ecore_evas_init()) return 0;
|
|
|
|
|
|
|
|
ecore_evas = ecore_evas_new(NULL, 10, 10, WIDTH, HEIGHT, NULL);
|
|
|
|
|
|
|
|
if (!ecore_evas) return 0;
|
|
|
|
|
|
|
|
ecore_evas_callback_delete_request_set(ecore_evas, _on_delete);
|
|
|
|
ecore_evas_callback_resize_set(ecore_evas, _on_canvas_resize);
|
|
|
|
ecore_evas_show(ecore_evas);
|
|
|
|
|
|
|
|
evas = ecore_evas_get(ecore_evas);
|
|
|
|
|
|
|
|
_scene_setup(&data);
|
|
|
|
|
|
|
|
/* Add a background rectangle objects. */
|
2016-03-09 07:47:28 -08:00
|
|
|
eo_add(&background, EVAS_RECTANGLE_CLASS, evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
efl_gfx_color_set(background, 0, 0, 0, 255);
|
|
|
|
efl_gfx_size_set(background, WIDTH, HEIGHT);
|
|
|
|
efl_gfx_visible_set(background, EINA_TRUE);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
|
|
|
/* Add an image object for 3D scene rendering. */
|
|
|
|
image = evas_object_image_filled_add(evas);
|
2016-03-01 10:06:28 -08:00
|
|
|
efl_gfx_size_set(image, WIDTH, HEIGHT);
|
|
|
|
efl_gfx_visible_set(image, EINA_TRUE);
|
2016-03-02 06:42:46 -08:00
|
|
|
evas_object_focus_set(image, EINA_TRUE);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
|
|
|
/* Set the image object as render target for 3D scene. */
|
2016-03-01 10:06:28 -08:00
|
|
|
evas_obj_image_scene_set(image, data.scene);
|
2015-02-23 05:25:49 -08:00
|
|
|
|
|
|
|
/* Add animation timer callback. */
|
|
|
|
ecore_timer_add(0.01, _animate_scene, &data);
|
|
|
|
evas_object_event_callback_add(image, EVAS_CALLBACK_KEY_DOWN, _on_key_down, &data);
|
|
|
|
|
|
|
|
/* Enter main loop. */
|
|
|
|
ecore_main_loop_begin();
|
|
|
|
|
|
|
|
ecore_evas_free(ecore_evas);
|
|
|
|
ecore_evas_shutdown();
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|