comparison: test/snake.c
test/snake.c
- changeset 84
- e4116b4b5774
- parent 83
- f7ce0db6f72b
- child 85
- f51eec4e7ccb
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| 83:f7ce0db6f72b | 84:e4116b4b5774 |
|---|---|
| 1 /* | |
| 2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. | |
| 3 * Copyright 2023 Mike Becker. All rights reserved. | |
| 4 * | |
| 5 * Redistribution and use in source and binary forms, with or without | |
| 6 * modification, are permitted provided that the following conditions are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * | |
| 11 * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer in the | |
| 13 * documentation and/or other materials provided with the distribution. | |
| 14 * | |
| 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | |
| 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | |
| 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
| 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
| 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
| 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
| 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 25 * POSSIBILITY OF SUCH DAMAGE. | |
| 26 */ | |
| 27 | |
| 28 #include "ascension/core.h" | |
| 29 #include <ascension/ui.h> | |
| 30 | |
| 31 #include <cx/printf.h> | |
| 32 | |
| 33 static void update_fps_counter(AscSceneNode *node) { | |
| 34 static uint64_t last_fps = 0; | |
| 35 static uint64_t debounce = ASC_NANOS_SECOND - 1; | |
| 36 debounce += asc_context.frame_nanos; | |
| 37 // only update text every second | |
| 38 if (debounce >= ASC_NANOS_SECOND) { | |
| 39 debounce = 0; | |
| 40 uint64_t fps = ASC_NANOS_SECOND; | |
| 41 fps /= asc_context.frame_nanos; | |
| 42 if (fps != last_fps) { | |
| 43 last_fps = fps; | |
| 44 asc_text_printf(node, "%"PRIu64" FPS", fps); | |
| 45 } | |
| 46 } | |
| 47 // tie to bottom right of the screen | |
| 48 if (asc_test_flag(node->flags, ASC_SCENE_NODE_GRAPHICS_UPDATED) | |
| 49 || asc_active_window->resized) { | |
| 50 asc_vec2i bottom_right = asc_active_window->dimensions; | |
| 51 asc_vec2i scale = asc_get_scale2d(node); | |
| 52 asc_set_position2d( | |
| 53 node, | |
| 54 bottom_right.x - scale.width - 10, | |
| 55 bottom_right.y - scale.height - 10 | |
| 56 ); | |
| 57 } | |
| 58 } | |
| 59 | |
| 60 static void create_fps_counter(void) { | |
| 61 asc_font(ASC_FONT_REGULAR, 12); | |
| 62 asc_ink_rgba(128, 128, 128, 196); | |
| 63 AscSceneNode *node = asc_text(); | |
| 64 asc_scene_add_behavior(node, update_fps_counter); | |
| 65 asc_add_ui_node(node); | |
| 66 } | |
| 67 | |
| 68 static void create_score_counter(void) { | |
| 69 asc_font(ASC_FONT_BOLD, 16); | |
| 70 asc_ink_rgb(0, 255, 0); | |
| 71 AscSceneNode* node = asc_text( | |
| 72 .x = 10, .y = 10, | |
| 73 .text = "Score: 0" | |
| 74 ); | |
| 75 asc_add_ui_node(node); | |
| 76 } | |
| 77 | |
| 78 int main(int argc, char** argv) { | |
| 79 asc_context_initialize(); | |
| 80 if (asc_has_error()) { | |
| 81 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, | |
| 82 "Fatal Error",asc_get_error(),NULL); | |
| 83 return 1; | |
| 84 } | |
| 85 | |
| 86 // create window | |
| 87 AscWindowSettings settings; | |
| 88 asc_window_settings_init_defaults(&settings); | |
| 89 settings.title = "Snake"; | |
| 90 asc_window_initialize(0, &settings); | |
| 91 | |
| 92 // create UI elements | |
| 93 create_fps_counter(); | |
| 94 create_score_counter(); | |
| 95 | |
| 96 // Main Loop | |
| 97 do { | |
| 98 // quit application on any error | |
| 99 if (asc_has_error()) { | |
| 100 SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_ERROR, | |
| 101 "Fatal Error", asc_get_error(), | |
| 102 asc_active_window->window); | |
| 103 asc_clear_error(); | |
| 104 asc_context_quit(); | |
| 105 } | |
| 106 | |
| 107 // quit application on ESC key press | |
| 108 if (asc_key_pressed(ESCAPE)) { | |
| 109 asc_context_quit(); | |
| 110 } | |
| 111 } while (asc_loop_next()); | |
| 112 | |
| 113 asc_context_destroy(); | |
| 114 return 0; | |
| 115 } | |
| 116 |
