/**
 * Construct the scene
 */
void ConstructScene()
{
   // -------------------- Geometry -------------------- //
   movingSquare = new UnitSquareFlatSurface(200,32.2f*.814f,true,Vector2(-.01f,0),.03f);

   SceneNode* house = ConstructHouse(70,90);

   // Construct a unit cylinder surface
   WasherSurface* cylinder = new WasherSurface(.9f, 1.0f, 18);
   
   //Wheel
   WasherSurface* washer = new WasherSurface(10,20,14);
   std::vector<LightNode*> lights;
   lights.push_back(new LightNode(GL_LIGHT3));
   lights.push_back(new LightNode(GL_LIGHT4));
   wheel = new WheelNode(10,20,washer,ConstructBox(9,19.5f,1),8,4,lights);

   waterfall = new ParticleNode(25);

   //-------------------- Materials ------------------------- //

   // Wood
   PresentationNode* wood = new PresentationNode;
   wood->SetMaterialAmbientAndDiffuse(Color4(0.5f, 0.5f, 0.5f));
   wood->SetMaterialSpecular(Color4(0.3f, 0.3f, 0.3f));
   wood->SetMaterialShininess(32.0f);
   wood->setTexture(LoadTextureBMP("images/wood.bin",true,128));

   // Stone
   PresentationNode* stone = new PresentationNode;
   stone->SetMaterialAmbient(Color4(0.19225f, 0.19225f, 0.19225f));
   stone->SetMaterialDiffuse(Color4(0.50754f, 0.50754f, 0.50754f));
   stone->SetMaterialSpecular(Color4(0.508273f, 0.508273f, 0.508273f));
   stone->SetMaterialShininess(10.2f);
   stone->setTexture(LoadTextureBMP("images/stone.bin",true,128));

   PresentationNode* steel = new PresentationNode;
   steel->SetMaterialAmbient(Color4(0.19225f, 0.19225f, 0.19225f));
   steel->SetMaterialDiffuse(Color4(0.7f, 0.7f, 0.7f));
   steel->SetMaterialSpecular(Color4(0.7f, 0.7f, 0.7f));
   steel->SetMaterialShininess(90.2f);

   // Water
   PresentationNode* water = new PresentationNode;
   water->SetMaterialAmbient(Color4(0.01f, 0.01f, 0.1f));
   water->SetMaterialDiffuse(Color4(0.2f, 0.2f, 0.6f));
   water->SetMaterialSpecular(Color4(0.5f, 0.5f, 0.5f));
   water->SetMaterialShininess(10);
   water->setTexture(LoadTextureBMP("images/water.bin",true,128));

   PresentationNode* blue = new PresentationNode;
   blue->SetMaterialAmbient(Color4(0.01f, 0.01f, 0.1f));
   blue->SetMaterialDiffuse(Color4(0.2f, 0.2f, 0.6f));
   blue->SetMaterialSpecular(Color4(0.5f, 0.5f, 0.5f));
   blue->SetMaterialShininess(10);
   // ------------------ Transformations ------------------- //
   TransformNode* wheelTransform = new TransformNode;
   wheelTransform->Translate(-80.0f, 35.0f, 40.0f);
   wheelTransform->Rotate(90.0f, 1.0f, 0.0f, 0.0f);

   TransformNode* houseTransform = new TransformNode;
   houseTransform->Translate(-100,35,0);

   TransformNode* house2Transform = new TransformNode;
   house2Transform->Rotate(180,0,0,1);
   house2Transform->Translate(-100,-35,0);

   TransformNode* wallTransform = new TransformNode;
   wallTransform->Translate(0,35,0);

   TransformNode* waterfallTransform = new TransformNode;
   waterfallTransform->Translate(-128.0f,35,15.0f);

   TransformNode* pipeTransform = new TransformNode;
   pipeTransform->Rotate(-90,0,1,0);
   pipeTransform->Translate(76.5f,35,125);
   pipeTransform->Scale(5,5,20);

   // -------------------- Lighting --------------------------/

   // Light 0 - point light source in back right corner
	LightNode* light0 = new LightNode(GL_LIGHT0);
	light0->SetDiffuse(Color4(0.5f, 0.5f, 0.5f, 1.0f));
	light0->SetSpecular(Color4(0.5f, 0.5f, 0.5f, 1.0f));
	light0->SetPosition(HPoint3(90.0f, 90.0f, 30.f, 1.0f));	
	light0->Enable();

   // Light1 - directional light from the ceiling
	LightNode* light1 = new LightNode(GL_LIGHT1);
	light1->SetDiffuse(Color4(0.7f, 0.7f, 0.7f, 1.0f ));
	light1->SetSpecular(Color4(0.7f, 0.7f, 0.7f, 1.0f));
	light1->SetPosition(HPoint3(0.0f, 0.0f, 1.0f, 0.0f));	
	light1->Enable();

   // Light2 - spotlight - we will place at the camera location
   // shining along -VPN
	LightNode* light2 = new LightNode(GL_LIGHT2);
	light2->SetDiffuse(Color4(0.8f, 0.8f, 0.8f, 1.0f ));
	light2->SetSpecular(Color4(0.8f, 0.8f, 0.8f, 1.0f));
	light2->SetPosition(HPoint3(0.0f, 0.0f, 0.0f, 1.0f));	
	light2->SetSpotlight(Vector3(0.0f, 0.0f, -1.0f), 32.0f, 30.0f);
	light2->Enable();

	lights[0]->SetDiffuse(Color4(0.8f, 0.8f, 0.8f, 1.0f));
	lights[0]->SetSpecular(Color4(0.8f, 0.8f, 0.8f, 1.0f));
	lights[0]->SetPosition(HPoint3(-100.0f,35.0f,90.0f,1.0f));
	lights[0]->SetSpotlightDirection(Vector3(0,0,-1));
	lights[0]->SetSpotlight(Vector3(0,0,-1),1,90);
	lights[0]->Disable();

	lights[1]->SetDiffuse(Color4(0.8f, 0.8f, 0.8f, 1.0f));
	lights[1]->SetSpecular(Color4(0.8f, 0.8f, 0.8f, 1.0f));
	lights[1]->SetPosition(HPoint3(100.0f,35.0f,90.0f,1.0f));
	lights[1]->SetSpotlightDirection(Vector3(0,0,-1));
	lights[1]->SetSpotlight(Vector3(0,0,-1),1,90);
	lights[1]->Disable();
  
   // --------------------------- Camera ----------------------- //
   MyCamera = new CameraNode;
   MyCamera->SetPosition(Point3(100.0f, -100.0f, 50.0f));
   MyCamera->SetLookAtPt(Point3(0.0f, 0.0f, 50.0f));
   MyCamera->SetViewUp(Vector3(0.0, 0.0, 1.0));
   MyCamera->SetPerspective(50.0, 1.0, 1.0, 2400);

   // --------------------- Scene construction ----------------- //

   // Construct the scene root node
   SceneRoot = new SceneNode;

   // Create a scene node to hold all scene objects (other than camera
   // and lights)
   SceneNode* myScene = new SceneNode;

   // Add the spotlight as the first child of the root node. Since this is 
   // accessed before the camera it will position the light relative to the
   // camera
   SceneRoot->AddChild(light2);

   // Set the camera

	SceneRoot->AddChild(MyCamera);
	MyCamera->AddChild(light0);
	MyCamera->AddChild(light1);
	MyCamera->AddChild(lights[0]);
	MyCamera->AddChild(lights[1]);
	MyCamera->AddChild(myScene);

   // Construct the room (walls, floor, ceiling)
	SceneNode* skybox = ConstructRoom();

   wallTransform->AddChild(ConstructWall(stone,water,movingSquare));
   myScene->AddChild(wallTransform);

   // Construct the wheel
   AddSubTree(myScene,wood,wheelTransform,wheel);

    // Place 2 Houses
   wood->AddChild(houseTransform);
   houseTransform->AddChild(house);
   wood->AddChild(house2Transform);
   house2Transform->AddChild(house);
   myScene->AddChild(skybox);

   AddSubTree(myScene,steel,pipeTransform,cylinder);
   AddSubTree(myScene,blue,waterfallTransform,waterfall);
}
示例#2
0
/**
 * Construct the scene
 */
void ConstructScene()
{
   // Construct the lighting shader node
   LightingShaderNode* lightingShader = new LightingShaderNode();
   if (!lightingShader->Create("phong.vert", "phong.frag") ||
       !lightingShader->GetLocations())
      exit(-1);

   int positionLoc = lightingShader->GetPositionLoc();
   int normalLoc = lightingShader->GetNormalLoc();

   // -------------------- Geometry -------------------- //

   // Construct a unit square - use less subdivisions to see how
   // phong shading improves the lighting
   UnitSquareSurface* unitSquare = new UnitSquareSurface(2, positionLoc, normalLoc);

   // Construct a unit box
   SceneNode* box = ConstructUnitBox(unitSquare);

   // Construct a unit cylinder surface
   ConicSurface* cylinder = new ConicSurface(1.0f, 1.0f, 18, 4, positionLoc, normalLoc);

   // Construct a torus
   TorusSurface* torus = new TorusSurface(20.0f, 5.0f, 18, 18, positionLoc, normalLoc);

   // Teapot
   MeshTeapot* teapot = new MeshTeapot(3, positionLoc, normalLoc);

   // Sphere
   SphereSection* sphere = new SphereSection(-90.0f, 90.0f, 18, 
               -180.0f, 180.0f, 36, 1.0f, positionLoc, normalLoc);

   //-------------------- Materials ------------------------- //

   // Wood
   PresentationNode* wood = new PresentationNode;
   wood->SetMaterialAmbientAndDiffuse(Color4(0.55f, 0.45f, 0.15f));
   wood->SetMaterialSpecular(Color4(0.3f, 0.3f, 0.3f));
   wood->SetMaterialShininess(64.0f);

   // Silver
   PresentationNode* silver = new PresentationNode;
   silver->SetMaterialAmbient(Color4(0.19225f, 0.19225f, 0.19225f));
   silver->SetMaterialDiffuse(Color4(0.50754f, 0.50754f, 0.50754f));
   silver->SetMaterialSpecular(Color4(0.508273f, 0.508273f, 0.508273f));
   silver->SetMaterialShininess(51.2f);

   // Black, shiny
   PresentationNode* shinyBlack = new PresentationNode;
   shinyBlack->SetMaterialAmbient(Color4(0.0f, 0.0f, 0.0f));
   shinyBlack->SetMaterialDiffuse(Color4(0.01f, 0.01f, 0.01f));
   shinyBlack->SetMaterialSpecular(Color4(0.5f, 0.5f, 0.5f));
   shinyBlack->SetMaterialShininess(32.0f);

   // Shiny blue
   PresentationNode* shinyBlue = new PresentationNode;
   shinyBlue->SetMaterialAmbient(Color4(0.05f, 0.05f, 0.2f));
   shinyBlue->SetMaterialDiffuse(Color4(0.2f, 0.2f, 0.6f));
   shinyBlue->SetMaterialSpecular(Color4(0.75f, 0.75, 0.75f));
   shinyBlue->SetMaterialShininess(76.8f);

   // ------------------ Transformations ------------------- //

   // Position the table in the room
   TransformNode* tableTransform = new TransformNode;
   tableTransform->Translate(-50.0f, 50.0f, 0.0f);
   tableTransform->Rotate(30.0f, 0.0f, 0.0f, 1.0f);

   // Teapot transform
   TransformNode* teapotTransform = new TransformNode;
   teapotTransform->Translate(0.0f, 0.0f, 26.0f);
   teapotTransform->Scale(2.5f, 2.5f, 2.5f);

   // Torus
   TransformNode* torusTransform = new TransformNode;
   torusTransform->Translate(0.0f, 90.0f, 20.0f);
   torusTransform->Rotate(60.0f, 1.0f, 0.0f, 0.0f);

   // Sphere
   TransformNode* sphereTransform = new TransformNode;
   sphereTransform->Translate(80.0f, 20.0f, 10.0f);
   sphereTransform->Scale(10.0f, 10.0f, 10.0f);

   // --------------------------- Camera ----------------------- //
   MyCamera = new CameraNode;
   MyCamera->SetPosition(Point3(0.0f, -100.0f, 20.0f));
   MyCamera->SetLookAtPt(Point3(0.0f, 0.0f, 20.0f));
   MyCamera->SetViewUp(Vector3(0.0, 0.0, 1.0));
   MyCamera->SetPerspective(50.0, 1.0, 1.0, 300.0);

   // -------------------- Lighting --------------------------/

   // Set the global light ambient
   Color4 globalAmbient(0.4f, 0.4f, 0.4f, 1.0f);
   lightingShader->SetGlobalAmbient(globalAmbient);

   // Light 0 - point light source in back right corner
	LightNode* light0 = new LightNode(0);
	light0->SetDiffuse(Color4(0.5f, 0.5f, 0.5f, 1.0f));
	light0->SetSpecular(Color4(0.5f, 0.5f, 0.5f, 1.0f));
   light0->SetPosition(HPoint3(90.0f, 90.0f, 30.f, 1.0f));	
	light0->Enable();

   // Light1 - directional light from the ceiling
   LightNode* light1 = new LightNode(1);
	light1->SetDiffuse(Color4(0.7f, 0.7f, 0.7f, 1.0f ));
	light1->SetSpecular(Color4(0.7f, 0.7f, 0.7f, 1.0f));
   light1->SetPosition(HPoint3(0.0f, 0.0f, 1.0f, 0.0f));	
	light1->Enable();

   // Spotlight - reddish spotlight - we will place at the camera location
   // shining along -VPN
   Spotlight = new LightNode(2);
	Spotlight->SetDiffuse(Color4(0.5f, 0.1f, 0.1f, 1.0f ));
	Spotlight->SetSpecular(Color4(0.5f, 0.1f, 0.1f, 1.0f));
   Point3 pos = MyCamera->GetPosition();
   Spotlight->SetPosition(HPoint3(pos.x, pos.y, pos.z, 1.0f));
   Vector3 dir = MyCamera->GetViewPlaneNormal() * -1.0f;
   Spotlight->SetSpotlight(dir, 32.0f, 30.0f);
	Spotlight->Enable();

   // --------------------- Scene construction ----------------- //

   // Construct the scene root node
   SceneRoot = new SceneNode;
   SceneRoot->AddChild(lightingShader);
   lightingShader->AddChild(MyCamera);

   // Add the lights as the children of the camera
	MyCamera->AddChild(light0);
   light0->AddChild(light1);
   light1->AddChild(Spotlight);

   // Create a scene node to hold all scene objects (other than camera
   // and lights)
   SceneNode* myScene = new SceneNode;
   
   // Add the scene under the last light
   Spotlight->AddChild(myScene);

   // Construct the room (walls, floor, ceiling)
   ConstructRoom(myScene, unitSquare);

   // Construct the table
   SceneNode* table = ConstructTable(box, cylinder); 
   myScene->AddChild(wood);
   wood->AddChild(tableTransform);
   tableTransform->AddChild(table);

   // Place a teapot on the table
   tableTransform->AddChild(teapotTransform);
   teapotTransform->AddChild(silver);
   silver->AddChild(teapot);

   // Place a torus
   myScene->AddChild(shinyBlack);
   shinyBlack->AddChild(torusTransform);
   torusTransform->AddChild(torus);

    // Place a sphere
   myScene->AddChild(shinyBlue);
   shinyBlue->AddChild(sphereTransform);
   sphereTransform->AddChild(sphere);
}