144 lines
2.5 KiB
C
144 lines
2.5 KiB
C
#undef FNAME
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#undef NAME
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#undef ICON
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/* metadata */
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#define FNAME line_blend_start
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#define NAME "Line Blend"
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#define ICON "rect.png"
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#ifndef PROTO
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# ifndef UI
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# include "main.h"
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/* standard var */
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static int done = 0;
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/* private data */
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static Evas_Object *o_images[OBNUM];
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/* setup */
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static void _setup(void)
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{
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int i;
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Evas_Object *o;
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srnd();
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for (i = 0; i < OBNUM; i++)
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{
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int r, g, b, a;
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o = eo_add(EVAS_LINE_CLASS, evas);
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o_images[i] = o;
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a = (rnd()&0xff) / 2;
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r = ((rnd()&0xff) * a) / 255;
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g = ((rnd()&0xff) * a) / 255;
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b = ((rnd()&0xff) * a) / 255;
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eo_do(o,
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evas_obj_color_set(r, g, b, a),
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evas_obj_line_xy_set(((win_w / 2) * (rnd()&0xff)) / 255,
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((win_h / 2) * (rnd()&0xff)) / 255,
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((win_w / 2) * (rnd()&0xff)) / 255 + (win_w / 2),
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((win_h / 2) * (rnd()&0xff)) / 255 + (win_h / 2)),
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evas_obj_visibility_set(EINA_TRUE));
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}
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done = 0;
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}
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/* cleanup */
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static void _cleanup(void)
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{
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int i;
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for (i = 0; i < OBNUM; i++) eo_del(o_images[i]);
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}
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#define PI (double) 3.141592654
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static void
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_rotate_point(Evas_Coord *ox, Evas_Coord *oy, int r)
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{
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double d;
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double x, y;
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double angle;
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x = *ox - (win_w / 2);
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y = *oy - (win_h / 2);
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d = sqrt(x * x + y * y);
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angle = atan((double) y / (double) x);
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if (x < 0) angle -= PI;
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switch (r & 0x3)
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{
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case 0: angle += 1 * PI / 180; break;
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case 1: angle += -1 * PI / 180; break;
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case 2: angle += 7 * PI / 180; break;
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case 3: angle += -1 * PI / 180; break;
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}
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*ox = d * cos(angle) + (win_w / 2);
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*oy = d * sin(angle) + (win_h / 2);
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}
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/* loop - do things */
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static void _loop(double t, int f)
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{
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int i;
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Evas_Coord ox1, oy1, ox2, oy2;
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Evas_Object *o;
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for (i = 0; i < OBNUM; i++)
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{
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o = o_images[i];
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eo_do(o, evas_obj_line_xy_get(&ox1, &oy1, &ox2, &oy2));
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_rotate_point(&ox1, &oy1, i);
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_rotate_point(&ox2, &oy2, i);
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eo_do(o, evas_obj_line_xy_set(ox1, oy1, ox2, oy2));
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}
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FPS_STD(NAME);
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}
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/* prepend special key handlers if interactive (before STD) */
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static void _key(char *key)
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{
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KEY_STD;
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}
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/* template stuff - ignore */
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# endif
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#endif
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#ifdef UI
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_ui_menu_item_add(ICON, NAME, FNAME);
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#endif
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#ifdef PROTO
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void FNAME(void);
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#endif
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#ifndef PROTO
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# ifndef UI
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void FNAME(void)
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{
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ui_func_set(_key, _loop);
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_setup();
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}
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# endif
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#endif
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#undef FNAME
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#undef NAME
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#undef ICON
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