81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
|
#include <clutter/clutter.h>
|
||
|
|
|
||
|
|
ClutterGravity gravitys[] = {
|
||
|
|
CLUTTER_GRAVITY_NORTH_EAST,
|
||
|
|
CLUTTER_GRAVITY_NORTH,
|
||
|
|
CLUTTER_GRAVITY_NORTH_WEST,
|
||
|
|
CLUTTER_GRAVITY_WEST,
|
||
|
|
CLUTTER_GRAVITY_SOUTH_WEST,
|
||
|
|
CLUTTER_GRAVITY_SOUTH,
|
||
|
|
CLUTTER_GRAVITY_SOUTH_EAST,
|
||
|
|
CLUTTER_GRAVITY_EAST,
|
||
|
|
CLUTTER_GRAVITY_CENTER,
|
||
|
|
CLUTTER_GRAVITY_NONE
|
||
|
|
};
|
||
|
|
|
||
|
|
gint gindex = 0;
|
||
|
|
|
||
|
|
void
|
||
|
|
on_timeline_completed (ClutterTimeline *cluttertimeline,
|
||
|
|
gpointer data)
|
||
|
|
{
|
||
|
|
ClutterBehaviourScale *behave = CLUTTER_BEHAVIOUR_SCALE(data);
|
||
|
|
|
||
|
|
if (++gindex > G_N_ELEMENTS(gravitys))
|
||
|
|
gindex = 0;
|
||
|
|
|
||
|
|
g_object_set (behave, "scale-gravity", gravitys[gindex], NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
int
|
||
|
|
main (int argc, char *argv[])
|
||
|
|
{
|
||
|
|
ClutterActor *stage, *rect;
|
||
|
|
ClutterColor stage_color = { 0x0, 0x0, 0x0, 0xff };
|
||
|
|
ClutterColor rect_color = { 0xff, 0xff, 0xff, 0x99 };
|
||
|
|
ClutterTimeline *timeline;
|
||
|
|
ClutterAlpha *alpha;
|
||
|
|
ClutterBehaviour *behave;
|
||
|
|
|
||
|
|
clutter_init (&argc, &argv);
|
||
|
|
|
||
|
|
stage = clutter_stage_get_default ();
|
||
|
|
|
||
|
|
clutter_stage_set_color (CLUTTER_STAGE (stage), &stage_color);
|
||
|
|
clutter_actor_set_size (stage, 300, 300);
|
||
|
|
|
||
|
|
rect = clutter_rectangle_new_with_color(&rect_color);
|
||
|
|
clutter_actor_set_size (rect, 100, 100);
|
||
|
|
clutter_actor_set_position (rect, 100, 100);
|
||
|
|
|
||
|
|
clutter_group_add (CLUTTER_GROUP(stage), rect);
|
||
|
|
|
||
|
|
rect_color.alpha = 0xff;
|
||
|
|
rect = clutter_rectangle_new_with_color(&rect_color);
|
||
|
|
clutter_actor_set_size (rect, 100, 100);
|
||
|
|
clutter_actor_set_position (rect, 100, 100);
|
||
|
|
|
||
|
|
clutter_group_add (CLUTTER_GROUP(stage), rect);
|
||
|
|
|
||
|
|
timeline = clutter_timeline_new (20, 30);
|
||
|
|
alpha = clutter_alpha_new_full (timeline,
|
||
|
|
CLUTTER_ALPHA_RAMP,
|
||
|
|
NULL, NULL);
|
||
|
|
|
||
|
|
behave = clutter_behaviour_scale_new (alpha,
|
||
|
|
0.0,
|
||
|
|
1.0,
|
||
|
|
gravitys[gindex]);
|
||
|
|
|
||
|
|
clutter_behaviour_apply (behave, rect);
|
||
|
|
|
||
|
|
clutter_timeline_set_loop (timeline, TRUE);
|
||
|
|
g_signal_connect (timeline, "completed",
|
||
|
|
G_CALLBACK(on_timeline_completed), behave);
|
||
|
|
clutter_timeline_start (timeline);
|
||
|
|
|
||
|
|
clutter_actor_show_all (stage);
|
||
|
|
|
||
|
|
clutter_main();
|
||
|
|
}
|