260 lines
9.1 KiB
C
260 lines
9.1 KiB
C
/**
|
|
* Example of frame interpolation animation with normal mapping in Evas 3D.
|
|
*
|
|
* @verbatim
|
|
* gcc -o evas-3d-cube2 evas-3d-cube2.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo` -lm
|
|
* @endverbatim
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#else
|
|
#define PACKAGE_EXAMPLES_DIR "."
|
|
#define EFL_BETA_API_SUPPORT
|
|
#define EFL_EO_API_SUPPORT
|
|
#endif
|
|
|
|
#include <Eo.h>
|
|
#include <Evas.h>
|
|
#include <Ecore.h>
|
|
#include <Ecore_Evas.h>
|
|
#include "evas-common.h"
|
|
|
|
#define WIDTH 400
|
|
#define HEIGHT 400
|
|
|
|
static const char *normal_map_path = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/normal_lego.png";
|
|
|
|
typedef struct _Scene_Data
|
|
{
|
|
Eo *scene;
|
|
Eo *root_node;
|
|
Eo *camera_node;
|
|
Eo *light_node;
|
|
Eo *mesh_node;
|
|
|
|
Eo *camera;
|
|
Eo *light;
|
|
Eo *cube;
|
|
Eo *mesh;
|
|
Eo *material0;
|
|
Eo *material1;
|
|
|
|
Eo *texture0;
|
|
Eo *texture1;
|
|
Eo *texture_normal;
|
|
} Scene_Data;
|
|
|
|
static Ecore_Evas *ecore_evas = NULL;
|
|
static Evas *evas = NULL;
|
|
static Eo *background = NULL;
|
|
static Eo *image = NULL;
|
|
|
|
static const unsigned int pixels0[] =
|
|
{
|
|
0xff0000ff, 0xff0000ff, 0xffff0000, 0xffff0000,
|
|
0xff0000ff, 0xff0000ff, 0xffff0000, 0xffff0000,
|
|
0xff00ff00, 0xff00ff00, 0xff000000, 0xff000000,
|
|
0xff00ff00, 0xff00ff00, 0xff000000, 0xff000000,
|
|
};
|
|
|
|
static const unsigned int pixels1[] =
|
|
{
|
|
0xffff0000, 0xffff0000, 0xff00ff00, 0xff00ff00,
|
|
0xffff0000, 0xffff0000, 0xff00ff00, 0xff00ff00,
|
|
0xff0000ff, 0xff0000ff, 0xffffffff, 0xffffffff,
|
|
0xff0000ff, 0xff0000ff, 0xffffffff, 0xffffffff,
|
|
};
|
|
|
|
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);
|
|
efl_gfx_entity_size_set(background, EINA_SIZE2D(w, h));
|
|
efl_gfx_entity_size_set(image, EINA_SIZE2D(w, h));
|
|
}
|
|
|
|
static Eina_Bool
|
|
_animate_scene(void *data)
|
|
{
|
|
static float angle = 0.0f;
|
|
static int frame = 0;
|
|
static int inc = 1;
|
|
Scene_Data *scene = (Scene_Data *)data;
|
|
|
|
angle += 0.2;
|
|
|
|
evas_canvas3d_node_orientation_angle_axis_set(scene->mesh_node, angle, 1.0, 1.0, 1.0);
|
|
|
|
/* Rotate */
|
|
if (angle > 360.0) angle -= 360.0f;
|
|
|
|
frame += inc;
|
|
|
|
if (frame >= 20) inc = -1;
|
|
else if (frame <= 0) inc = 1;
|
|
|
|
evas_canvas3d_node_mesh_frame_set(scene->mesh_node, scene->mesh, frame);
|
|
|
|
return EINA_TRUE;
|
|
}
|
|
|
|
static void
|
|
_camera_setup(Scene_Data *data)
|
|
{
|
|
data->camera = efl_add(EVAS_CANVAS3D_CAMERA_CLASS, evas);
|
|
evas_canvas3d_camera_projection_perspective_set(data->camera, 60.0, 1.0, 2.0, 50.0);
|
|
|
|
data->camera_node =
|
|
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_CAMERA));
|
|
evas_canvas3d_node_camera_set(data->camera_node, data->camera);
|
|
evas_canvas3d_node_position_set(data->camera_node, 0.0, 0.0, 3.0);
|
|
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);
|
|
}
|
|
|
|
static void
|
|
_light_setup(Scene_Data *data)
|
|
{
|
|
data->light = efl_add(EVAS_CANVAS3D_LIGHT_CLASS, evas);
|
|
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);
|
|
|
|
data->light_node =
|
|
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_LIGHT));
|
|
evas_canvas3d_node_light_set(data->light_node, data->light);
|
|
evas_canvas3d_node_position_set(data->light_node, 0.0, 0.0, 10.0);
|
|
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);
|
|
}
|
|
|
|
static void
|
|
_mesh_setup(Scene_Data *data)
|
|
{
|
|
/* Setup material. */
|
|
data->material0 = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
|
|
data->material1 = efl_add(EVAS_CANVAS3D_MATERIAL_CLASS, evas);
|
|
|
|
evas_canvas3d_material_enable_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
|
|
evas_canvas3d_material_enable_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
|
|
evas_canvas3d_material_enable_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
|
|
evas_canvas3d_material_enable_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, EINA_TRUE);
|
|
evas_canvas3d_material_color_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.2, 0.2, 0.2, 1.0);
|
|
evas_canvas3d_material_color_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.8, 0.8, 0.8, 1.0);
|
|
evas_canvas3d_material_color_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0);
|
|
evas_canvas3d_material_shininess_set(data->material0, 100.0);
|
|
|
|
evas_canvas3d_material_enable_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, EINA_TRUE);
|
|
evas_canvas3d_material_enable_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, EINA_TRUE);
|
|
evas_canvas3d_material_enable_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, EINA_TRUE);
|
|
evas_canvas3d_material_enable_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, EINA_TRUE);
|
|
evas_canvas3d_material_color_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_AMBIENT, 0.2, 0.2, 0.2, 1.0);
|
|
evas_canvas3d_material_color_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, 0.8, 0.8, 0.8, 1.0);
|
|
evas_canvas3d_material_color_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_SPECULAR, 1.0, 1.0, 1.0, 1.0);
|
|
evas_canvas3d_material_shininess_set(data->material1, 100.0);
|
|
|
|
data->texture0 = efl_add(EVAS_CANVAS3D_TEXTURE_CLASS, evas);
|
|
data->texture1 = efl_add(EVAS_CANVAS3D_TEXTURE_CLASS, evas);
|
|
data->texture_normal = efl_add(EVAS_CANVAS3D_TEXTURE_CLASS, evas);
|
|
|
|
evas_canvas3d_texture_data_set(data->texture0, EVAS_COLORSPACE_ARGB8888, 4, 4, &pixels0[0]);
|
|
evas_canvas3d_texture_data_set(data->texture1, EVAS_COLORSPACE_ARGB8888, 4, 4, &pixels1[0]);
|
|
efl_file_set(data->texture_normal, normal_map_path, NULL);
|
|
|
|
evas_canvas3d_material_texture_set(data->material0, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, data->texture0);
|
|
evas_canvas3d_material_texture_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_DIFFUSE, data->texture1);
|
|
evas_canvas3d_material_texture_set(data->material1, EVAS_CANVAS3D_MATERIAL_ATTRIB_NORMAL, data->texture_normal);
|
|
|
|
/* Set data of primitive */
|
|
data->cube = efl_add(EVAS_CANVAS3D_PRIMITIVE_CLASS, evas);
|
|
evas_canvas3d_primitive_form_set(data->cube, EVAS_CANVAS3D_MESH_PRIMITIVE_CUBE);
|
|
|
|
/* Setup mesh. */
|
|
data->mesh = efl_add(EVAS_CANVAS3D_MESH_CLASS, evas);
|
|
evas_canvas3d_mesh_from_primitive_set(data->mesh, 0, data->cube);
|
|
evas_canvas3d_mesh_frame_material_set(data->mesh, 0, data->material0);
|
|
evas_canvas3d_mesh_frame_add(data->mesh, 20);
|
|
evas_canvas3d_mesh_frame_material_set(data->mesh, 20, data->material1);
|
|
evas_canvas3d_mesh_shader_mode_set(data->mesh, EVAS_CANVAS3D_SHADER_MODE_NORMAL_MAP);
|
|
|
|
data->mesh_node =
|
|
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_MESH));
|
|
evas_canvas3d_node_member_add(data->root_node, data->mesh_node);
|
|
evas_canvas3d_node_mesh_add(data->mesh_node, data->mesh);
|
|
}
|
|
|
|
static void
|
|
_scene_setup(Scene_Data *data)
|
|
{
|
|
data->scene = efl_add(EVAS_CANVAS3D_SCENE_CLASS, evas);
|
|
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);
|
|
|
|
data->root_node =
|
|
efl_add(EVAS_CANVAS3D_NODE_CLASS, evas, evas_canvas3d_node_type_set(efl_added, EVAS_CANVAS3D_NODE_TYPE_NODE));
|
|
|
|
_camera_setup(data);
|
|
_light_setup(data);
|
|
_mesh_setup(data);
|
|
|
|
evas_canvas3d_scene_root_node_set(data->scene, data->root_node);
|
|
evas_canvas3d_scene_camera_node_set(data->scene, data->camera_node);
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
// Unless Evas 3D supports Software renderer, we force use of the gl backend.
|
|
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 object. */
|
|
background = efl_add(EFL_CANVAS_RECTANGLE_CLASS, evas);
|
|
efl_gfx_color_set(background, 0, 0, 0, 255);
|
|
efl_gfx_entity_size_set(background, EINA_SIZE2D(WIDTH, HEIGHT));
|
|
efl_gfx_entity_visible_set(background, EINA_TRUE);
|
|
|
|
/* Add an image object for 3D scene rendering. */
|
|
image = efl_add(EFL_CANVAS_SCENE3D_CLASS, evas);
|
|
efl_gfx_entity_size_set(image, EINA_SIZE2D(WIDTH, HEIGHT));
|
|
efl_gfx_entity_visible_set(image, EINA_TRUE);
|
|
|
|
/* Set the image object as render target for 3D scene. */
|
|
efl_canvas_scene3d_set(image, data.scene);
|
|
|
|
/* Add animation timer callback. */
|
|
ecore_timer_add(0.01, _animate_scene, &data);
|
|
|
|
/* Enter main loop. */
|
|
ecore_main_loop_begin();
|
|
|
|
ecore_evas_free(ecore_evas);
|
|
ecore_evas_shutdown();
|
|
|
|
return 0;
|
|
}
|