Added gamma correction, Blinn-Phong shading, and normal map support

NFPackCreator/AssetBuild/example/models/normal.mtl

@@ -0,0 +1,14 @@
+# Blender MTL File: 'None'
+# Material Count: 1
+
+newmtl mat
+Ns 225.000000
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.000000 0.000000 0.000000
+Ni 1.450000
+d 1.000000
+illum 2
+map_Bump brickwall_normal.jpg
+map_Kd brickwall.jpg

NFPackCreator/AssetBuild/example/models/normal.obj

@@ -0,0 +1,17 @@
+# Blender v2.93.3 OBJ File: ''
+# www.blender.org
+mtllib normal.mtl
+o Plane_Plane.001
+v -1.000000 -1.000000 -0.000000
+v 1.000000 -1.000000 -0.000000
+v -1.000000 1.000000 0.000000
+v 1.000000 1.000000 0.000000
+vt 1.000000 0.000000
+vt 0.000000 1.000000
+vt 0.000000 0.000000
+vt 1.000000 1.000000
+vn 0.0000 -0.0000 1.0000
+usemtl mat
+s off
+f 2/1/1 3/2/1 1/3/1
+f 2/1/1 4/4/1 3/2/1