Mercurial > molko
comparison examples/example-animation.c @ 183:604fad63bd9c
core: fix animation delay
author | David Demelier <markand@malikania.fr> |
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date | Mon, 02 Nov 2020 13:42:51 +0100 |
parents | |
children | 65a07c7d8ff4 |
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182:f6497ec74b49 | 183:604fad63bd9c |
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1 /* | |
2 * example-animation.c -- example on how to use animations | |
3 * | |
4 * Copyright (c) 2020 David Demelier <markand@malikania.fr> | |
5 * | |
6 * Permission to use, copy, modify, and/or distribute this software for any | |
7 * purpose with or without fee is hereby granted, provided that the above | |
8 * copyright notice and this permission notice appear in all copies. | |
9 * | |
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | |
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | |
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | |
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | |
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | |
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |
17 */ | |
18 | |
19 #include <core/animation.h> | |
20 #include <core/clock.h> | |
21 #include <core/core.h> | |
22 #include <core/event.h> | |
23 #include <core/image.h> | |
24 #include <core/sys.h> | |
25 #include <core/window.h> | |
26 #include <core/painter.h> | |
27 #include <core/panic.h> | |
28 #include <core/sprite.h> | |
29 #include <core/texture.h> | |
30 #include <core/util.h> | |
31 | |
32 #include <ui/label.h> | |
33 #include <ui/ui.h> | |
34 | |
35 #include <assets/sprites/numbers.h> | |
36 | |
37 #define W 1280 | |
38 #define H 720 | |
39 | |
40 static struct texture numbers; | |
41 | |
42 static struct label label = { | |
43 .text = "Keys: <Space> start or reset the animation.", | |
44 .x = 10, | |
45 .y = 10, | |
46 .flags = LABEL_FLAGS_SHADOW | |
47 }; | |
48 | |
49 static void | |
50 init(void) | |
51 { | |
52 if (!core_init() || !ui_init()) | |
53 panic(); | |
54 if (!window_open("Example - Animation", W, H)) | |
55 panic(); | |
56 if (!image_openmem(&numbers, sprites_numbers, sizeof (sprites_numbers))) | |
57 panic(); | |
58 } | |
59 | |
60 static void | |
61 run(void) | |
62 { | |
63 struct clock clock = {0}; | |
64 struct animation animation; | |
65 struct sprite sprite; | |
66 bool completed = true; | |
67 | |
68 clock_start(&clock); | |
69 sprite_init(&sprite, &numbers, 128, 128); | |
70 animation_init(&animation, &sprite, 1000); | |
71 | |
72 for (;;) { | |
73 union event ev; | |
74 unsigned int elapsed = clock_elapsed(&clock); | |
75 | |
76 clock_start(&clock); | |
77 | |
78 while (event_poll(&ev)) { | |
79 switch (ev.type) { | |
80 case EVENT_KEYDOWN: | |
81 switch (ev.key.key) { | |
82 case KEY_SPACE: | |
83 animation_start(&animation); | |
84 completed = animation_completed(&animation); | |
85 break; | |
86 default: | |
87 break; | |
88 } | |
89 break; | |
90 case EVENT_QUIT: | |
91 return; | |
92 default: | |
93 break; | |
94 } | |
95 } | |
96 | |
97 if (!completed) | |
98 completed = animation_update(&animation, elapsed); | |
99 | |
100 painter_set_color(0x4f8fbaff); | |
101 painter_clear(); | |
102 label_draw(&label); | |
103 | |
104 if (!completed) | |
105 animation_draw(&animation, (window.w - sprite.cellw) / 2, (window.h - sprite.cellh) / 2); | |
106 | |
107 painter_present(); | |
108 | |
109 if ((elapsed = clock_elapsed(&clock)) < 20) | |
110 delay(20 - elapsed); | |
111 } | |
112 } | |
113 | |
114 static void | |
115 quit(void) | |
116 { | |
117 window_finish(); | |
118 ui_finish(); | |
119 core_finish(); | |
120 } | |
121 | |
122 int | |
123 main(int argc, char **argv) | |
124 { | |
125 (void)argc; | |
126 (void)argv; | |
127 | |
128 init(); | |
129 run(); | |
130 quit(); | |
131 } | |
132 |