comparison: src/camera.c
src/camera.c
- changeset 37
- 8a8cc6725b48
- child 41
- df81d493716e
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| 36:e26b4ac1661c | 37:8a8cc6725b48 |
|---|---|
| 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/camera.h" | |
| 29 | |
| 30 static void asc_camera_update_ortho(AscCamera *camera) { | |
| 31 float left = (float) camera->rect.pos.x; | |
| 32 float right = left + (float) camera->rect.size.width; | |
| 33 float top = (float) camera->rect.pos.y; | |
| 34 float bottom = top + (float) camera->rect.size.height; | |
| 35 asc_mat4f_ortho(camera->projection, left, right, bottom, top); | |
| 36 } | |
| 37 | |
| 38 void asc_camera_ortho(AscCamera *camera, asc_recti rect) { | |
| 39 asc_mat4f_unit(camera->view); | |
| 40 camera->update = asc_camera_update_ortho; | |
| 41 camera->rect = rect; | |
| 42 } | |
| 43 | |
| 44 void asc_camera_disable(AscCamera *camera) { | |
| 45 camera->update = NULL; | |
| 46 } |
