Add cylindrical mapping!

tests/uvmap_checkeredcylinder.cpp

@@ -0,0 +1,58 @@
+/*
+ *  DoRayMe - a quick and dirty Raytracer
+ *  Render test for chapter 10
+ *
+ *  Created by Manoël Trapier
+ *  Copyright (c) 2020 986-Studio.
+ *
+ */
+#include <world.h>
+#include <light.h>
+#include <sphere.h>
+#include <plane.h>
+#include <cylinder.h>
+#include <material.h>
+#include <colour.h>
+#include <canvas.h>
+#include <camera.h>
+
+#include <pattern.h>
+#include <texturemap.h>
+#include <uv_checkers.h>
+
+#include <transformation.h>
+
+int main()
+{
+    World w = World();
+
+    Light light = Light(POINT_LIGHT, Point(-10, 10, -10), Colour(1, 1, 1));
+    w.addLight(&light);
+
+    Cylinder sp = Cylinder();
+    sp.minCap = 0;
+    sp.maxCap = 1;
+    sp.setTransform(scaling(1, 3.1415, 1) * translation(0, -0.5, 0));
+    UVCheckers checkers = UVCheckers(16, 8, Colour(0, 0.5, 0), Colour(1, 1, 1));
+    TextureMap tm = TextureMap(CYLINDRICAL_MAP, &checkers);
+    sp.material.pattern = &tm;
+    sp.material.ambient = 0.1;
+    sp.material.specular = 0.6;
+    sp.material.shininess = 15;
+    sp.material.diffuse = 0.8;
+
+    w.addObject(&sp);
+
+    /* Set the camera */
+    Camera camera = Camera(400, 400, 0.5);
+    camera.setTransform(viewTransform(Point(0, 0, -10),
+                                      Point(0, 0, 0),
+                                      Vector(0, 1, 0)));
+
+    /* Now render it */
+    Canvas image = camera.render(w);
+
+    image.SaveAsPNG("uvmap_checkeredcylinder.png");
+
+    return 0;
+}