| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Copyright (c) 2000-2022 Inria | ||
| 3 | * 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 | * * Redistributions of source code must retain the above copyright notice, | ||
| 9 | * this list of conditions and the following disclaimer. | ||
| 10 | * * Redistributions in binary form must reproduce the above copyright notice, | ||
| 11 | * this list of conditions and the following disclaimer in the documentation | ||
| 12 | * and/or other materials provided with the distribution. | ||
| 13 | * * Neither the name of the ALICE Project-Team nor the names of its | ||
| 14 | * contributors may be used to endorse or promote products derived from this | ||
| 15 | * software without specific prior written permission. | ||
| 16 | * | ||
| 17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| 18 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | ||
| 20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE | ||
| 21 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | ||
| 22 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | ||
| 23 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | ||
| 24 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | ||
| 25 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 26 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | ||
| 27 | * POSSIBILITY OF SUCH DAMAGE. | ||
| 28 | * | ||
| 29 | * Contact: Bruno Levy | ||
| 30 | * | ||
| 31 | * https://www.inria.fr/fr/bruno-levy | ||
| 32 | * | ||
| 33 | * Inria, | ||
| 34 | * Domaine de Voluceau, | ||
| 35 | * 78150 Le Chesnay - Rocquencourt | ||
| 36 | * FRANCE | ||
| 37 | * | ||
| 38 | */ | ||
| 39 | |||
| 40 | #include <geogram/basic/common.h> | ||
| 41 | #include <geogram/basic/logger.h> | ||
| 42 | #include <geogram/basic/command_line.h> | ||
| 43 | #include <geogram/basic/command_line_args.h> | ||
| 44 | #include <geogram/basic/stopwatch.h> | ||
| 45 | #include "raytracing.h" | ||
| 46 | |||
| 47 | ✗ | int main(int argc, char** argv) { | |
| 48 | using namespace GEO; | ||
| 49 | ✗ | GEO::initialize(GEO::GEOGRAM_INSTALL_ALL); | |
| 50 | ✗ | CmdLine::import_arg_group("standard"); | |
| 51 | ✗ | std::vector<std::string> filenames; | |
| 52 | ✗ | if(!CmdLine::parse(argc, argv, filenames, "meshfile")) { | |
| 53 | ✗ | return 1; | |
| 54 | } | ||
| 55 | |||
| 56 | ✗ | Scene scene; | |
| 57 | ✗ | scene.add_object(new MeshObject(filenames[0])); // The mesh | |
| 58 | ✗ | scene.add_object(new HorizontalCheckerboardPlane(0.0)); // The tradition ! | |
| 59 | scene.add_object( // A sphere | ||
| 60 | ✗ | new Sphere(vec3(-0.7, -0.7, 1.0),0.7) | |
| 61 | ✗ | )->set_reflection_coefficient(vec3(0.8, 0.8, 0.8)) | |
| 62 | ✗ | ->set_diffuse_coefficient(vec3(0.2, 0.2, 0.2)); | |
| 63 | |||
| 64 | // Let there be (two) lights ! | ||
| 65 | ✗ | scene.add_object(new Light( | |
| 66 | ✗ | vec3(0.5, 1.3, 0.5), // Position | |
| 67 | 0.02, // Radius | ||
| 68 | ✗ | vec3(0.0, 0.5, 1.0) // Color | |
| 69 | ✗ | ) | |
| 70 | ); | ||
| 71 | ✗ | scene.add_object(new Light( | |
| 72 | ✗ | vec3(1.0, 0.2, 1.0), // Position | |
| 73 | 0.02, // Radius | ||
| 74 | ✗ | vec3(1.5, 1.5, 0.5) // Color | |
| 75 | ✗ | ) | |
| 76 | ); | ||
| 77 | |||
| 78 | // 4) The camera and output image | ||
| 79 | Camera camera( | ||
| 80 | ✗ | vec3(2.0, 2.0, 1.5), // Position | |
| 81 | ✗ | vec3(0.5, 0.5, 0.5), // Target | |
| 82 | 800, 800, // Image size | ||
| 83 | 20.0 // aperture angle (in degrees) | ||
| 84 | ✗ | ); | |
| 85 | |||
| 86 | // 5) Let's trace some rays !! | ||
| 87 | { | ||
| 88 | ✗ | Stopwatch Watch("Raytrace"); | |
| 89 | |||
| 90 | ✗ | parallel_for( | |
| 91 | 0, camera.image_height(), | ||
| 92 | ✗ | [&camera, &scene](index_t Y) { | |
| 93 | ✗ | for(index_t X=0; X<camera.image_width(); ++X) { | |
| 94 | ✗ | Ray R = camera.launch_ray(X,Y); | |
| 95 | ✗ | vec3 K = scene.raytrace(R); | |
| 96 | ✗ | camera.set_pixel(X,Y,K); | |
| 97 | } | ||
| 98 | ✗ | } | |
| 99 | ); | ||
| 100 | ✗ | Logger::out("Raytrace") | |
| 101 | ✗ | << double(camera.image_width()*camera.image_height()) / | |
| 102 | ✗ | Watch.elapsed_time() << " rays per second" | |
| 103 | ✗ | << std::endl; | |
| 104 | ✗ | } | |
| 105 | |||
| 106 | // 6) Save the output image | ||
| 107 | ✗ | camera.save_image("output.ppm"); | |
| 108 | ✗ | } | |
| 109 |