Course assignment finished

Added textures and refined shadow casting.

CMakeLists.txt

@@ -16,7 +16,10 @@ set(SOURCE_FILES lib/whitted_rt.cpp lib/whitted_rt.h lib/math/vec4.cpp lib/math/
         lib/light/ambient_light.cpp lib/light/ambient_light.h lib/camera/camera.h lib/camera/camera.cpp
         lib/geometry/ray.cpp lib/geometry/material/solid_material.cpp lib/light/point_light.cpp lib/light/point_light.h
         lib/parser.cpp lib/parser.h lib/geometry/shapes/mesh.cpp lib/geometry/shapes/mesh.h
-        lib/geometry/shapes/triangle.cpp lib/geometry/shapes/triangle.h lib/tiny_obj_loader.cpp lib/tiny_obj_loader.h)
+        lib/geometry/shapes/triangle.cpp lib/geometry/shapes/triangle.h lib/tiny_obj_loader.cpp lib/tiny_obj_loader.h
+        lib/geometry/material/specular_material.cpp lib/geometry/material/specular_material.h
+        lib/geometry/material/textured_material.cpp lib/geometry/material/textured_material.h
+        lib/geometry/material/transparent_material.cpp lib/geometry/material/transparent_material.h)
 add_executable(Ray_Tracer ${SOURCE_FILES} main.cpp)
 add_executable(Test ${SOURCE_FILES} test.cpp)
 target_link_libraries(Ray_Tracer png16 pugixml)

box.obj

@@ -0,0 +1,35 @@
+# Blender3D v249 OBJ File: 
+# www.blender3d.org
+v 1.000000 1.000000 -1.000000
+v 1.000000 -1.000000 -1.000000
+v -1.000000 -1.000000 -1.000000
+v -1.000000 1.000000 -1.000000
+v 1.000000 1.000000 1.000000
+v 1.000000 -1.000000 1.000000
+v -1.000000 -1.000000 1.000000
+v -1.000000 1.000000 1.000000
+vt 0.000000 0.000000
+vt 1.000000 0.000000
+vt 1.000000 1.000000
+vt 0.000000 1.000000
+vn 0.000000 1.000000 0.000000
+vn -1.000000 0.000000 -0.000000
+vn -0.000000 -1.000000 -0.000000
+vn 1.000000 0.000000 -0.000000
+vn 1.000000 -0.000000 0.000000
+vn 0.000000 0.000000 1.000000
+vn 0.000000 0.000000 -1.000000
+usemtl Material
+s off
+f 5/1/1 1/2/1 4/3/1
+f 5/1/1 4/3/1 8/4/1
+f 3/1/2 7/2/2 8/3/2
+f 3/1/2 8/3/2 4/4/2
+f 2/1/3 6/2/3 3/4/3
+f 6/2/3 7/3/3 3/4/3
+f 1/1/4 5/2/4 2/4/4
+f 5/2/5 6/3/5 2/4/5
+f 5/1/6 8/2/6 6/4/6
+f 8/2/6 7/3/6 6/4/6
+f 1/1/7 2/2/7 3/3/7
+f 1/1/7 3/3/7 4/4/7