forked from enlightenment/efl
evas: aabb example uses cube primitives.
Reviewers: Hermet, raster, cedric Reviewed By: cedric Subscribers: cedric Differential Revision: https://phab.enlightenment.org/D2161 Signed-off-by: Cedric BAIL <cedric@osg.samsung.com>
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@ -1,11 +1,11 @@
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/**
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* This example shows how to get and draw axis-aligned bounding box.
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*
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* @see _mesh_aabb(Evas_3D_Mesh **mesh_b, const Evas_3D_Node *node);
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* @see _redraw_aabb();
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* Rotate axises (keys 1-4) for model and bounding box view from another angle.
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*
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* @verbatim
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* gcc -o evas-3d-aabb evas-3d-aabb.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo`
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* gcc -o evas-3d-aabb evas-3d-aabb.c evas-3d-primitives.c `pkg-config --libs --cflags efl evas ecore ecore-evas eo` -lm
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* @endverbatim
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*/
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@ -22,6 +22,7 @@
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#include <Ecore.h>
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#include <Ecore_Evas.h>
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#include "evas-common.h"
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#include "evas-3d-primitives.h"
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#define WIDTH 400
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#define HEIGHT 400
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@ -50,7 +51,7 @@ Eo *light = NULL;
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static Eina_Bool
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_mesh_aabb(Evas_3D_Mesh **mesh_b);
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_redraw_aabb();
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static Eina_Bool
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_animate_scene(void *data)
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@ -59,7 +60,7 @@ _animate_scene(void *data)
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eo_do((Evas_3D_Node *)data, evas_3d_node_mesh_frame_set(mesh, frame));
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_mesh_aabb(&mesh_box);
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_redraw_aabb();
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frame += 32;
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@ -116,68 +117,13 @@ _on_canvas_resize(Ecore_Evas *ee)
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}
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static Eina_Bool
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_mesh_aabb(Evas_3D_Mesh **mesh_b)
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_redraw_aabb()
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{
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Evas_Real x0, y0, z0, x1, y1, z1;
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eo_do(mesh_node, evas_3d_node_bounding_box_get(&x0, &y0, &z0, &x1, &y1, &z1));
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float vertices[] =
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{
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x0, y0, z1,
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x0, y1, z1,
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x1, y1, z1,
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x1, y0, z1,
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x0, y0, z0,
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x1, y0, z0,
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x0, y1, z0,
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x1, y1, z0,
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x0, y0, z0,
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x0, y1, z0,
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x0, y0, z1,
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x0, y1, z1,
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x1, y0, z0,
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x1, y1, z0,
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x1, y1, z1,
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x1, y0, z1,
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x0, y1, z0,
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x1, y1, z0,
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x0, y1, z1,
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x1, y1, z1,
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x0, y0, z0,
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x1, y0, z0,
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x1, y0, z1,
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x0, y0, z1
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};
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unsigned short indices[] =
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{
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0, 1, 2, 3, 1, 2, 0, 3,
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4, 5, 5, 7, 7, 6, 6, 4,
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8, 9, 9, 11, 11, 10, 10, 8,
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12, 13, 13, 14, 14, 15, 15, 12,
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16, 17, 17, 19, 19, 18, 18, 16,
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20, 21, 21, 22, 22, 23, 23, 20
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};
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float *cube_vertices = (float *) malloc(1 * sizeof(vertices));
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unsigned short *cube_indices = (unsigned short *) malloc(1 * sizeof(indices));
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memcpy(cube_vertices, vertices, sizeof(vertices));
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memcpy(cube_indices, indices, sizeof(indices));
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eo_do(*mesh_b,
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evas_3d_mesh_frame_vertex_data_copy_set(0, EVAS_3D_VERTEX_POSITION,
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3 * sizeof(float),
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&cube_vertices[ 0]),
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evas_3d_mesh_index_data_copy_set(EVAS_3D_INDEX_FORMAT_UNSIGNED_SHORT,
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48, &cube_indices[0]));
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free(cube_vertices);
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free(cube_indices);
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eo_do(mesh_box_node, evas_3d_node_position_set((x0 + x1)/2, (y0 + y1)/2, (z0 + z1)/2),
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evas_3d_node_scale_set(x1 - x0, y1 - y0, z1 - z0));
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return EINA_TRUE;
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}
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@ -273,13 +219,12 @@ main(void)
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eo_do(material_box, evas_3d_material_enable_set(EVAS_3D_MATERIAL_DIFFUSE, EINA_TRUE));
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mesh_box = eo_add(EVAS_3D_MESH_CLASS, evas);
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evas_3d_add_cube_frame(mesh_box, 0);
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eo_do(mesh_box,
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evas_3d_mesh_vertex_count_set(24),
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evas_3d_mesh_frame_add(0),
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evas_3d_mesh_vertex_assembly_set(EVAS_3D_VERTEX_ASSEMBLY_LINES),
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evas_3d_mesh_shade_mode_set(EVAS_3D_SHADE_MODE_DIFFUSE),
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evas_3d_mesh_frame_material_set(0, material_box));
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_mesh_aabb(&mesh_box);
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_redraw_aabb();
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eo_do(root_node,
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evas_3d_node_member_add(mesh_box_node));
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