* and parameters which can be got from this function.
*
* @verbatim
- * gcc -o evas-3d-pick evas-3d-pick.c `pkg-config --libs --cflags evas ecore ecore-evas eo` -lm
+ * gcc -o evas-3d-pick evas-3d-pick.c evas-3d-primitives.c `pkg-config --libs --cflags evas ecore ecore-evas eo` -lm
* @endverbatim
*/
#include <Ecore.h>
#include <Ecore_Evas.h>
#include "evas-common.h"
+#include "evas-3d-primitives.h"
#define WIDTH 400
#define HEIGHT 400
-static const char *earth_image = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/wood.jpg";
-
-typedef struct _vec4
-{
- float x;
- float y;
- float z;
- float w;
-} vec4;
-
-typedef struct _vec3
-{
- float x;
- float y;
- float z;
-} vec3;
-
-typedef struct _vec2
-{
- float x;
- float y;
-} vec2;
-
-typedef struct _vertex
-{
- vec3 position;
- vec3 normal;
- vec3 tangent;
- vec4 color;
- vec3 texcoord;
-} vertex;
+static const char *image_path = PACKAGE_EXAMPLES_DIR EVAS_IMAGE_FOLDER "/wood.jpg";
static Ecore_Evas *ecore_evas = NULL;
static Evas *evas = NULL;
static Eo *mesh = NULL;
static Eo *material = NULL;
static Eo *texture_diffuse = NULL;
-
-static int vertex_count = 0;
-static vertex *vertices = NULL;
-static int index_count = 0;
-static unsigned short *indices = NULL;
+static const vec2 tex_scale = {1, 1};
static Eina_Bool
_animate_scene(void *data)
evas_object_move(image, 0, 0);
}
-static inline vec3
-_normalize(const vec3 *v)
-{
- double l = sqrt(v->x * v->x + v->y * v->y + v->z * v->z);
- vec3 vec;
-
- vec.x = v->x / l;
- vec.y = v->y / l;
- vec.z = v->z / l;
-
- return vec;
-}
-
-static void
-_sphere_fini()
-{
- free(vertices);
- free(indices);
-}
-
-static void
-_sphere_init(int precision)
-{
- int i, j;
- unsigned short *index;
-
- 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 * j) / precision;
- vertex *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 = v->position.x;
- v->color.y = v->position.y;
- v->color.z = v->position.z;
- 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 = 1.0 - (double)i / (double)precision;
- }
- }
-
- index = &indices[0];
-
- for (i = 0; i < precision; i++)
- {
- for (j = 0; j < precision; j++)
- {
- *index++ = i * (precision + 1) + j;
- *index++ = i * (precision + 1) + j + 1;
- *index++ = (i + 1) * (precision + 1) + j;
-
- *index++ = (i + 1) * (precision + 1) + j;
- *index++ = i * (precision + 1) + j + 1;
- *index++ = (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)
- {
- vertex *v = &vertices[i * (precision + 1) + j];
- v->tangent = vertices[i * (precision + 1)].tangent;
- }
- }
- }
-}
-
static void
_on_mouse_down(void *data EINA_UNUSED, Evas *e EINA_UNUSED, Evas_Object *obj,
void *event_info)
evas_3d_node_constructor(EVAS_3D_NODE_TYPE_CAMERA));
eo_do(camera_node,
evas_3d_node_camera_set(camera),
- evas_3d_node_position_set(0.0, 0.0, 5.0),
+ evas_3d_node_position_set(0.0, 0.0, 2.5),
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(camera_node));
/* Add the cube mesh. */
- _sphere_init(100);
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));
+ evas_3d_add_sphere_frame(mesh, 0, 100, tex_scale);
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_file_set(earth_image, NULL),
+ evas_3d_texture_file_set(image_path, NULL),
evas_3d_texture_filter_set(EVAS_3D_TEXTURE_FILTER_LINEAR,
EVAS_3D_TEXTURE_FILTER_LINEAR));
eo_do(material,
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_DIFFUSE));
+ eo_do(mesh, evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_DIFFUSE),
+ evas_3d_mesh_frame_material_set(0, material));
/* Set up scene. */
eo_do(scene,
ecore_evas_free(ecore_evas);
ecore_evas_shutdown();
- _sphere_fini();
return 0;
}
projects / platform / upstream / efl.git / commitdiff