/usr/share/clutter-1.0/cookbook/examples/animations-moving-animator.c is in libclutter-1.0-doc 1.24.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | #include <stdlib.h>
#include <clutter/clutter.h>
typedef struct
{
ClutterActor *stage;
ClutterActor *group;
ClutterAnimator *animator;
} State;
static const ClutterColor stage_color = { 0x33, 0x33, 0x55, 0xff };
static const ClutterColor red_color = { 0xff, 0x00, 0x00, 0xff };
static const ClutterColor green_color = { 0x00, 0xff, 0x00, 0xff };
static const ClutterColor blue_color = { 0x00, 0x00, 0xff, 0xff };
/* add keys to the animator such that the actor is moved
* to a random x position
*/
static void
add_keys_for_actor (ClutterActor *actor,
ClutterAnimator *animator)
{
gfloat x, end_x;
x = clutter_actor_get_x (actor);
end_x = 50.0;
if (x == 50.0)
end_x = 225.0 + (100.0 * rand () / (RAND_MAX + 1.0));
clutter_animator_set (animator,
actor, "x", CLUTTER_LINEAR, 0.0, x,
actor, "x", CLUTTER_EASE_OUT_CUBIC, 1.0, end_x,
NULL);
}
static gboolean
move_actors (ClutterActor *actor,
ClutterEvent *event,
gpointer user_data)
{
State *state = user_data;
ClutterActor *child;
/* do nothing if the animator is already running */
if (clutter_timeline_is_playing (clutter_animator_get_timeline (state->animator)))
return TRUE;
/* remove all keys from the animator */
clutter_animator_remove_key (state->animator, NULL, NULL, -1);
/* add keys for all actors in the group */
for (child = clutter_actor_get_first_child (state->group);
child != NULL;
child = clutter_actor_get_next_sibling (child))
{
add_keys_for_actor (child, state->animator);
}
/* start the animation */
clutter_animator_start (state->animator);
return TRUE;
}
int
main (int argc,
char *argv[])
{
ClutterActor *red;
ClutterActor *green;
ClutterActor *blue;
State *state = g_new0 (State, 1);
/* seed random number generator */
srand ((unsigned int) time (NULL));
if (clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
return 1;
state->animator = clutter_animator_new ();
clutter_animator_set_duration (state->animator, 500);
state->stage = clutter_stage_new ();
clutter_actor_set_size (state->stage, 400, 350);
clutter_stage_set_color (CLUTTER_STAGE (state->stage), &stage_color);
g_signal_connect (state->stage,
"destroy",
G_CALLBACK (clutter_main_quit),
NULL);
state->group = clutter_actor_new ();
clutter_actor_add_child (state->stage, state->group);
red = clutter_actor_new ();
clutter_actor_set_background_color (red, &red_color);
clutter_actor_set_size (red, 50, 50);
clutter_actor_set_position (red, 50, 50);
clutter_actor_add_child (state->group, red);
green = clutter_actor_new ();
clutter_actor_set_background_color (green, &green_color);
clutter_actor_set_size (green, 50, 50);
clutter_actor_set_position (green, 50, 150);
clutter_actor_add_child (state->group, green);
blue = clutter_actor_new ();
clutter_actor_set_background_color (blue, &blue_color);
clutter_actor_set_size (blue, 50, 50);
clutter_actor_set_position (blue, 50, 250);
clutter_actor_add_child (state->group, blue);
g_signal_connect (state->stage,
"key-press-event",
G_CALLBACK (move_actors),
state);
clutter_actor_show (state->stage);
clutter_main ();
g_object_unref (state->animator);
g_free (state);
return EXIT_SUCCESS;
}
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