Starting working on area lights.

2020-02-28 18:35:45 +00:00
parent 53f66b554b
commit c4b680789e
12 changed files with 509 additions and 32 deletions
--- a/tests/arealight_test.cpp
+++ b/tests/arealight_test.cpp
@@ -0,0 +1,99 @@
+/*
+ *  DoRayMe - a quick and dirty Raytracer
+ *  Render test for reflection in chapter 13.
+ *
+ *  Created by Manoël Trapier
+ *  Copyright (c) 2020 986-Studio.
+ *
+ */
+#include <world.h>
+#include <light.h>
+#include <sphere.h>
+#include <plane.h>
+#include <cube.h>
+#include <cylinder.h>
+#include <material.h>
+#include <colour.h>
+#include <canvas.h>
+#include <camera.h>
+#include <group.h>
+#include <cone.h>
+
+#include <pattern.h>
+#include <strippattern.h>
+#include <gradientpattern.h>
+#include <checkerspattern.h>
+#include <ringpattern.h>
+
+#include <transformation.h>
+
+int main()
+{
+    World w = World();
+
+    /* Add lights */
+#if 0
+    Light light1 = Light(AREA_LIGHT, Point(-1, 2, 4),
+            Vector(2, 0, 0), 8,
+            Vector(0, 2, 0), 8,
+            //jitter,
+            Colour(1.5, 1.5, 1.5));
+#else
+    Light light1 = Light(POINT_LIGHT, Point(-1, 2, 4), Colour(1.5,1.5,1.5));
+#endif
+    w.addLight(&light1);
+
+
+    /* ----------------------------- */
+
+    /* Cube that pretend to be the light */
+    Cube c = Cube();
+    c.material.colour = Colour(1.5, 1.5, 1.5);
+    c.material.ambient = 1;
+    c.material.diffuse = 0;
+    c.material.specular = 0;
+    c.dropShadow = false;
+    c.setTransform(translation(0, 3, 4) * scaling(1, 1, 0.01));
+    w.addObject(&c);
+
+    Plane p = Plane();
+    p.material.colour = Colour(1, 1, 1);
+    p.material.ambient = 0.025;
+    p.material.diffuse = 0.67;
+    p.material.specular = 0;
+    w.addObject(&p);
+
+    Sphere s1 = Sphere();
+    s1.setTransform(translation(0.5, 0.5,0) * scaling(0.5, 0.5, 0.5));
+    s1.material.colour = Colour(1, 0, 0);
+    s1.material.ambient = 0.1;
+    s1.material.specular = 0;
+    s1.material.diffuse = 0.6;
+    s1.material.reflective = 0.3;
+    w.addObject(&s1);
+
+    Sphere s2 = Sphere();
+    s2.setTransform(translation(-0.25, 0.33,0) * scaling(0.33, 0.33, 0.33));
+    s2.material.colour = Colour(0.5, 0.5, 1);
+    s2.material.ambient = 0.1;
+    s2.material.specular = 0;
+    s2.material.diffuse = 0.6;
+    s2.material.reflective = 0.3;
+    w.addObject(&s2);
+
+    /* ----------------------------- */
+
+    /* Set the camera */
+    //Camera camera = Camera(400, 160, 0.7854);
+    Camera camera = Camera(800, 320, 0.7854);
+    camera.setTransform(viewTransform(Point(-3, 1, 2.5),
+                                      Point(0, 0.5, 0),
+                                      Vector(0, 1, 0)));
+
+    /* Now render it */
+    Canvas image = camera.render(w, 5);
+
+    image.SaveAsPNG("arealight_test.png");
+
+    return 0;
+}