[wIP] Reflection is working

2024-03-05 23:12:10 +01:00
parent 1d75456ad8
commit 6acb8649e0
9 changed files with 281 additions and 14 deletions
--- a/apps/chapter_11.cpp
+++ b/apps/chapter_11.cpp
@@ -0,0 +1,118 @@
+/*!
+ * chapter_11.cpp
+ *
+ * Copyright (c) 2024, NADAL Jean-Baptiste. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301 USA
+ *
+ * @Author:  NADAL Jean-Baptiste
+ * @Date: 05/03/2024
+ *
+ */
+
+// This is an independent project of an individual developer. Dear PVS-Studio, please check it.
+// PVS-Studio Static Code Analyzer for C, C++, C#, and Java: http://www.viva64.com
+
+#include <chrono>
+#include <cstdio>
+
+#include <raytracing.h>
+
+/* ------------------------------------------------------------------------- */
+
+using namespace Raytracer;
+using namespace std;
+
+/* ------------------------------------------------------------------------- */
+
+int main(void)
+{
+    World the_world;
+    Camera the_camera;
+    Canvas the_canvas;
+    Plane *the_floor, *the_left_wall, *the_right_wall;
+    Sphere *the_middle, *the_right, *the_left;
+    chrono::time_point<chrono::high_resolution_clock> the_start, the_end;
+
+    printf("Chapter 11 example.\n");
+
+    // Floor is an extremely flattened sphere with a matte texture.
+    the_floor = new Plane();
+    Material &the_floor_material = the_floor->material();
+    the_floor_material.set_color(Color(1, 0.9, 0.9));
+    the_floor_material.set_specular(0);
+    the_floor_material.set_reflective(0.5);
+    the_floor_material.set_pattern(new CheckersPattern(Color(0.52, 0.52, 0.52), Color::Black()));
+    the_world.add_object(the_floor);
+
+    // Left Wall
+    the_left_wall = new Plane();
+    the_left_wall->set_transform(Matrix::translation(0, 0, 10) *
+                                 Matrix::rotation_y(-std::numbers::pi / 4) *
+                                 Matrix::rotation_x(std::numbers::pi / 2));
+    Material &the_left_wall_material = the_left_wall->material();
+    the_left_wall_material.set_specular(0);
+    the_left_wall_material.set_pattern(new StripePattern(Color(0.52, 0.52, 0.52), Color::Black()));
+    the_left_wall_material.pattern()->set_transform(Matrix::rotation_y(std::numbers::pi / 2));
+    the_world.add_object(the_left_wall);
+
+    // Right Wall
+    the_right_wall = new Plane();
+    the_right_wall->set_transform(Matrix::translation(0, 5, 10) *
+                                  Matrix::rotation_y(std::numbers::pi / 4) *
+                                  Matrix::rotation_x(std::numbers::pi / 2));
+    Material &the_right_wall_material = the_right_wall->material();
+    the_right_wall_material.set_specular(0);
+    the_right_wall_material.set_pattern(new StripePattern(Color(0.52, 0.52, 0.52), Color::Black()));
+    the_right_wall_material.pattern()->set_transform(Matrix::rotation_y(std::numbers::pi / 2));
+    the_world.add_object(the_right_wall);
+
+    // The large sphere in the middle is a unit sphere, translated upward slightly and colored green.
+    the_middle = new Sphere();
+    the_middle->set_transform(Matrix::translation(-0.25, 1, 1.5) *
+                              Matrix::rotation_y(-std::numbers::pi / 1.5) *
+                              Matrix::rotation_z(-std::numbers::pi / 6));
+
+    Material &the_middle_material = the_middle->material();
+    the_middle_material.set_color(Color(0.75, 0.24, 0.14));
+    the_middle_material.set_diffuse(0.7);
+    the_middle_material.set_specular(0.3);
+    the_world.add_object(the_middle);
+
+    // The Light source is white, shining from above and to the left
+    the_world.set_light(PointLight(Tuple::Point(-10, 10, -10), Color(1, 1, 1)));
+
+    // Configure the camera.
+    // the_camera = Camera(100, 50, std::numbers::pi / 3);
+    // the_camera = Camera(320, 200, std::numbers::pi / 3);
+    the_camera = Camera(640, 480, std::numbers::pi / 3);
+    the_camera.set_transform(
+        Matrix::view_transform(Tuple::Point(0, 1.5, -5), Tuple::Point(0, 1, 0), Tuple::Vector(0, 1, 0)));
+
+    the_start = chrono::high_resolution_clock::now();
+    the_canvas = the_camera.render(the_world);
+    the_end = chrono::high_resolution_clock::now();
+
+    the_canvas.save_to_file("chapter11.ppm");
+
+    chrono::duration<double> the_elapsed_time = the_end - the_start;
+    printf("Execution Time: %f secondes\n", the_elapsed_time.count());
+
+    return 0;
+}
+
+// Chapter 11 example.
+// Execution Time: 904.052568 secondes