WIP: On décortique...
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61a796d999
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FB3115C340E057E3
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@ -27,21 +27,13 @@
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#include <GL/glu.h>
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bool compute_space(int space_X, int space_Y, int space_Z,
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GLuint *arrows,
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int model_arrows_nb,
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// int pref_mark_unit_space,
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// int pref_style_lines_planes,
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// int pref_style_mix_colors,
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int pref_show_grid,
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int pref_central_stars_nb,
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int pref_test_diagonal,
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GLfloat *vertex_origin,
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GLfloat *color_origin,
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GLuint *line_origin,
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GLuint *plan_origin);
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GLuint *arrows, int model_arrows_nb,
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int pref_show_grid, int pref_central_stars_nb,
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int pref_test_diagonal,
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int buffer_vertex_size_after_grids,
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int buffer_vertex_size_after_stars,
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GLfloat *vertex_origin, GLfloat *colors_origin,
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GLuint *lines_origin, GLuint *plans_origin);
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bool draw_some_arrows (GLuint *lines_origin,
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int s, int stx, int sty,
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@ -427,72 +427,38 @@ static float radius(int x, int y, int z, int space_X, int space_Y, int space_Z){
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return r;
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}
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// (1,2,2) (2,1,2) (2,2,1) (2,2,2) (2,2,3) (2,3,2) (3,2,2)
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/* #define D 0 */
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/* static int experimental_1_verbose(GLuint *lines_origin, */
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/* int space_X, int space_Y, int space_Z, int step_x, int step_y) */
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/* { */
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/* float r = 0.0f, limit = 1.0f; */
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/* int nb_in_neighborhood = 0, step_z = 1; */
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/* int s = space_X * space_Y * space_Z / 2; */
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/* printf("buffers : with limit = %3.1f, %d/%d neighboors, ",\ */
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/* limit, nb_in_neighborhood, s * 2 + 1); */
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/* // int z = space_Z; */
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/* // int y = z * space_Z; */
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/* // int x = y * space_Y; */
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/* for (int i = 0; i < space_X; i++){ */
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/* for (int j = 0; j < space_Y; j++){ */
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/* if (D && (i == 0 || i == space_X - 1)) printf(" "); */
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/* for (int k = 0; k < space_Z; k++){ */
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/* if (D && (k == 0 && j == space_X - 1)) printf(" "); */
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/* r = radius(i, j, k, space_X, space_Y, space_Z); */
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/* if (r < limit){ // 2.5f */
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/* if (D) printf("%6.3f (%d,%d,%d) ", r, i, j, k); */
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/* return draw_a_central_star(lines_origin, */
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/* s + ((i + 0) * step_x */
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/* + (j + 0) * step_y */
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/* + (k + 0) * step_z) * 6 */
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/* + 10 ); */
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// printf("buffers : (444) n = %d i * step_x + j * step_y + k = %d 125 / 2 = %d\n",
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// s + (i * step_x + j * step_y + k) * 6 + 10, i * step_x + j * step_y + k, 125/2);
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// nb_in_neighborhood ++; //printf("r = %f (%d,%d,%d)\n", r, i, j ,k);
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/* } */
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/* } */
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/* if (D) printf("\n"); */
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/* } */
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/* if (D) printf("\n "); */
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/* } */
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/* return 0; */
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/* } */
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static int experimental_1(GLuint *lines_origin, int space_X, int space_Y, int space_Z)
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// a = buffer_vertex_size_after_grids, b = buffer_vertex_size_after_stars
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static void experimental_1(GLuint *lines_origin, int space_X, int space_Y, int space_Z, int a, int b)
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{
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float rayon = 0.0f, limit_sup = 3.9f, limit_inf = 3.6f;
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int nb_in_neighborhood = 0;
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float rayon = 0.0f, limit_sup = 1.4f, limit_inf = 0.0f;
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int center = space_X * space_Y * space_Z / 2;
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int step_z = 1, step_y = space_Z, step_x = space_Z * space_Y;
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int coeff = step_z * space_Z + step_y * space_Y + step_x * space_X;
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int u = 0, v = 0, delta = - 400; // - space_Y * space_Z * 4 - 5;
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for (int i = 0; i < space_X; i++)
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for (int j = 0; j < space_Y; j++)
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for (int k = 0; k < space_Z; k++){
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rayon = radius(i, j, k, space_X, space_Y, space_Z);
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if (rayon < limit_sup && rayon > limit_inf){
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int u = (i - space_X / 2) * step_x + (j - space_Y / 2) * step_y + (k - space_Z / 2) * step_z,
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delta = - 49 * 4 - 2;
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u = i * step_x + j * step_y + k * step_z;
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if (1) printf("%d * %d * %d rayon = %4.2f i,j,k = %2d,%2d,%2d coeff = %d center = %d u = %d delta = %d\n",\
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space_X, space_Y, space_Z, rayon, space_X / 2 - i, space_Y / 2 - j, space_Z / 2 - k, coeff, center, u, delta);
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draw_a_central_star(lines_origin, coeff + center + u * 6 + delta);
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// + cubes_nb * 6 / 2 - 2
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nb_in_neighborhood ++;
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if (rayon < limit_sup && rayon >= limit_inf){
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u = (i - space_X / 2) * step_x + (j - space_Y / 2) * step_y + (k - space_Z / 2) * step_z;
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v = i * step_x + j * step_y + k * step_z;
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if (1) printf("i,j,k =%2d,%2d,%2d v = %d u = %d\n", space_X / 2 - i, space_Y / 2 - j, space_Z / 2 - k, v, u);
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draw_a_central_star(lines_origin, // + cubes_nb * 6 / 2 - 2
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coeff
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+ center
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+ v * 6
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+ delta);
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}
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}
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if (0) printf("buffers g: with limits sup = %3.1f, inf = %3.1f, %d/%d neighboors, ", limit_sup, limit_inf, nb_in_neighborhood, coeff * 2 + 1);
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return 0;
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if (1) printf("\n%d*%d*%d = %d (b-a)/18 = %d r=%4.2f coeff = %d center = %d delta = %d\n",\
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space_X, space_Y, space_Z, center * 2, (b-a)/18, rayon, coeff, center, delta);
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}
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// I'm standing on Earth (any planet or star or spinning spheroid, in fact)
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@ -521,6 +487,8 @@ bool compute_space(int space_X, int space_Y, int space_Z,
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GLuint *arrows, int model_arrows_nb,
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int pref_show_grid, int pref_central_stars_nb,
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int pref_test_diagonal,
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int buffer_vertex_size_after_grids,
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int buffer_vertex_size_after_stars,
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GLfloat *vertex_origin, GLfloat *colors_origin,
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GLuint *lines_origin, GLuint *plans_origin)
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{
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@ -539,8 +507,8 @@ bool compute_space(int space_X, int space_Y, int space_Z,
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if (0 && pref_central_stars_nb == 1) draw_a_central_star (lines_origin, coeff + cubes_nb * 3 - 3);
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if (pref_central_stars_nb == cubes_nb)
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for (int i = 0; i < space_X * space_Y * space_Z; i ++) draw_a_central_star (lines_origin, coeff + i * 6);
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if (1) ad_hoc = experimental_1(lines_origin, space_X, space_Y, space_Z);
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if (1) draw_a_central_central_star (lines_origin, coeff, cubes_nb * 6 / 2 - 2);
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if (1) experimental_1(lines_origin, space_X, space_Y, space_Z, buffer_vertex_size_after_grids, buffer_vertex_size_after_stars);
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if (0) draw_a_central_central_star (lines_origin, coeff, cubes_nb * 6 / 2 - 2);
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if (0) draw_EW_ZA_SN_in_a_cubic_space (lines_origin, coeff, space_X, space_Y, space_Z);
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if (0) draw_3_x_4_around_6_poles (lines_origin, coeff, side_size);
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@ -666,3 +634,45 @@ bool compute_space(int space_X, int space_Y, int space_Z,
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// (1,2,2) (2,1,2) (2,2,1) (2,2,2) (2,2,3) (2,3,2) (3,2,2)
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/* #define D 0 */
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/* static int experimental_1_verbose(GLuint *lines_origin, */
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/* int space_X, int space_Y, int space_Z, int step_x, int step_y) */
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/* { */
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/* float r = 0.0f, limit = 1.0f; */
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/* int nb_in_neighborhood = 0, step_z = 1; */
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/* int s = space_X * space_Y * space_Z / 2; */
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/* printf("buffers : with limit = %3.1f, %d/%d neighboors, ",\ */
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/* limit, nb_in_neighborhood, s * 2 + 1); */
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/* // int z = space_Z; */
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/* // int y = z * space_Z; */
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/* // int x = y * space_Y; */
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/* for (int i = 0; i < space_X; i++){ */
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/* for (int j = 0; j < space_Y; j++){ */
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/* if (D && (i == 0 || i == space_X - 1)) printf(" "); */
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/* for (int k = 0; k < space_Z; k++){ */
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/* if (D && (k == 0 && j == space_X - 1)) printf(" "); */
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/* r = radius(i, j, k, space_X, space_Y, space_Z); */
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/* if (r < limit){ // 2.5f */
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/* if (D) printf("%6.3f (%d,%d,%d) ", r, i, j, k); */
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/* return draw_a_central_star(lines_origin, */
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/* s + ((i + 0) * step_x */
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/* + (j + 0) * step_y */
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/* + (k + 0) * step_z) * 6 */
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/* + 10 ); */
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// printf("buffers : (444) n = %d i * step_x + j * step_y + k = %d 125 / 2 = %d\n",
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// s + (i * step_x + j * step_y + k) * 6 + 10, i * step_x + j * step_y + k, 125/2);
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// nb_in_neighborhood ++; //printf("r = %f (%d,%d,%d)\n", r, i, j ,k);
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/* } */
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/* } */
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/* if (D) printf("\n"); */
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/* } */
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/* if (D) printf("\n "); */
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/* } */
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/* return 0; */
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/* } */
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@ -63,6 +63,8 @@ int pref_central_stars_nb = 0; // diagonal test
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int pref_show_grid = 0; // 0, 1, 2, 3, 5, 6, 10, 15, 30, etc.
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// xyz, 0, x, y, z, xy, xz, yz, xyz (repeat)
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int buffer_vertex_size = 0;
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int buffer_vertex_size_after_grids = 0;
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int buffer_vertex_size_after_stars = 0;
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int buffer_colors_size = 0;
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int buffer_lines_size = 0; // previously in graphics.h struct gl_area_entry.GLuint line_indices_nb;
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int buffer_plans_size = 0; // previously in graphics.h struct gl_area_entry.GLuint plan_indices_nb;
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@ -550,9 +552,9 @@ GLuint arrows[] = {
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static void get_model_data_and_user_preferences(){
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space_X = 7; // 0 < space_X assert TODO
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space_Y = 7; // 0 < space_Y assert TODO
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space_Z = 15; // 0 < space_Z assert TODO
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space_X = 11; // 0 < space_X assert TODO
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space_Y = 11; // 0 < space_Y assert TODO
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space_Z = 11; // 0 < space_Z assert TODO
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cubes_nb = space_X * space_Y * space_Z;
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pref_show_grid = 1; // 0, 1, 2, 3, 5, 6, 10, 15, 30, etc.
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// xyz, 0, x, y, z, xy, xz, yz, xyz (repeat)
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@ -564,8 +566,7 @@ static void get_model_data_and_user_preferences(){
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// >>> assert TODO
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pref_central_stars_nb = cubes_nb; // cubes_nb = max = space_X * space_Y * space_Z
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pref_central_stars_nb = 1 + 6 + 24 + 6 + 6 + 24 + 70;
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// pref_central_stars_nb = 1 + 6;
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pref_central_stars_nb = 160;
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pref_central_stars_nb = 1 + 6;
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pref_test_diagonal = 0;
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}
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@ -646,8 +647,10 @@ static void compute_buffers_sizes(int space_X, int space_Y, int space_Z,
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if (grids_intersections_surface < grids_intersections_volume) // pas toujours le cas !
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buffer_vertex_size = grids_intersections_volume * 3;
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else buffer_vertex_size = grids_intersections_surface * 3;
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buffer_vertex_size_after_grids = buffer_vertex_size;
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if (0) printf("draw_grids_3D_surface buffer_vertex_size = %d\n", buffer_vertex_size);
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buffer_vertex_size += central_stars * 3;
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buffer_vertex_size_after_stars = buffer_vertex_size;
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if (arrows_nb > 0) buffer_vertex_size += centers * 3; // 3 numbers per vertex
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buffer_colors_size = buffer_vertex_size;
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buffer_plans_size = 0;
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@ -721,6 +724,9 @@ void graphics_init_buffers(const void *gl_area)
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pref_central_stars_nb,
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pref_test_diagonal,
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buffer_vertex_size_after_grids,
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buffer_vertex_size_after_stars,
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buffer_vertex_origin,
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buffer_colors_origin,
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buffer_lines_origin,
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36
à résoudre
36
à résoudre
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@ -49,3 +49,39 @@ space_X * space_Y * space_Z * 6 / 2
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5 * 5 * 5 rayon = 1,41 i,j,k = -1,-1, 0 coeff = 155 center = 62 u = 92 delta = -1
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-----------------------------------------------------------------------------------------------
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d8065ec 2023-08-20 14:31 +0200 Jean Sirmai o WIP: une approche par step_x, _y, _z <> commit avant de repartir
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d8065ecf5f73276276353a60786ba4ae3e40c61f - commit 5 of 202
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