기초적인 셰이딩 구현

Content/cube.obj

@@ -7,15 +7,22 @@ v 0.5 -0.5 -0.5
 v 0.5 0.5 -0.5
 v -0.5 0.5 -0.5
 
-f 1 2 3
-f 1 3 4
-f 8 7 6
-f 8 6 5
-f 4 3 7
-f 4 7 8
-f 5 1 4
-f 5 4 8
-f 5 6 2
-f 5 2 1
-f 2 6 7
-f 2 7 3
+vn 0 0 1
+vn 0 0 -1
+vn 0 1 0
+vn 0 -1 0
+vn 1 0 0
+vn -1 0 0
+
+f 1//1 2//1 3//1
+f 1//1 3//1 4//1
+f 8//2 7//2 6//2
+f 8//2 6//2 5//2
+f 4//3 3//3 7//3
+f 4//3 7//3 8//3
+f 5//4 6//4 2//4
+f 5//4 2//4 1//4
+f 2//5 6//5 7//5
+f 2//5 7//5 3//5
+f 5//6 1//6 4//6
+f 5//6 4//6 8//6

Source/MainScene.cpp

@@ -96,6 +96,17 @@ bool MainScene::init()
         }
     }
 
+    // Add Lights
+    // Directional Light: Like sunlight, creating shadows/depth
+    auto dirLight = DirectionLight::create(Vec3(-1.0f, -1.0f, -0.5f), Color3B::WHITE);
+    dirLight->setCameraMask((unsigned short)CameraFlag::USER1);
+    this->addChild(dirLight);
+
+    // Ambient Light: To ensure dark sides are still somewhat visible
+    auto ambLight = AmbientLight::create(Color3B(80, 80, 80));
+    ambLight->setCameraMask((unsigned short)CameraFlag::USER1);
+    this->addChild(ambLight);
+
     // Setup Camera for Quarter View (Isometric-like)
     _camera3D = Camera::createPerspective(60.0f, visibleSize.width / visibleSize.height, 0.1f, 1000.0f);
     _camera3D->setCameraFlag(CameraFlag::USER1);