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--- public:t-gede-14-1:lab7 [2014/03/03 17:57] – [Bonus] marino
+++ public:t-gede-14-1:lab7 [2024/04/29 13:33] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
-====== LAB6: Programmable Shaders ======
+====== LAB7: Programmable Shaders ======
-This lab is based on a variety of sources, including the [[http://www.ogre3d.org/tikiwiki/tiki-index.php?page=Shaders&structure=Cookbook|Ogre Shaders Wiki]].
+This lab is based on a variety of sources, including the [[http://www.ogre3d.org/tikiwiki/tiki-index.php?page=Shaders&structure=Cookbook|Ogre Shaders Wiki]].
 ===== Discussion =====
-Discussion thread for this lab is here: [[http://ruclasses.proboards.com/index.cgi?action=display&board=gedespring2013&thread=123|Lab 6 Discussion Thread]]
+Discussion thread for this lab is here: [[https://piazza.com/class/i4l9of1fw8j3ew?cid=54|Lab 7 Discussion Thread]]
 ===== Goal ======
@@ Line 22: / Line 22: @@
 Follow these steps to complete the lab project:
-  - **Create a New Project** Create a new empty project called "Lab6" in the same way you have created new projects for other lab projects. Create the Lab6Main.cpp file that contains a minimal Ogre application that displays at least one ground plane and an Ogre model. You can use your own application, or you can use the following code: <code cpp>
+  - **Create a New Project** Create a new empty project called "Lab7" in the same way you have created new projects for other lab projects. You can use your own application, or you can use the following {{:public:t-gede-14-1:lab6_handout.7z|code}}:
-#include "OGRE/Ogre.h";
-class MyApplication {
-private:
-	Ogre::SceneManager*     _sceneManager;
-	Ogre::Root*	        _root;
-	Ogre::Entity*		_ogre;
-	Ogre::Entity*		_ground;
-	Ogre::Camera*		_camera;
-public:
-	MyApplication() {
-		_sceneManager = NULL;
-		_root = NULL;
-		_ogre = NULL;
-		_ground = NULL;
-	}
-	~MyApplication() {
-		delete _root;
-	}
-	void loadResources() {
-		Ogre::ConfigFile cf;
-		cf.load("resources_d.cfg");
-		Ogre::ConfigFile::SectionIterator sectionIter = cf.getSectionIterator();
-		Ogre::String sectionName, typeName, dataName;
-		while(sectionIter.hasMoreElements()) {
-			sectionName=sectionIter.peekNextKey();
-			Ogre::ConfigFile::SettingsMultiMap *settings =sectionIter.getNext();
-			Ogre::ConfigFile::SettingsMultiMap::iterator i;
-			for(i=settings->begin(); i!=settings->end(); ++i) {
-				typeName=i->first;
-				dataName=i->second;
-				Ogre::ResourceGroupManager::getSingleton().addResourceLocation(dataName, typeName, sectionName);
-			}
-		}
-		Ogre::ResourceGroupManager::getSingleton().initialiseAllResourceGroups();
-	}
-	void createScene() {
-		_ogre =_sceneManager->createEntity("Sinbad.mesh");
-		_sceneManager->getRootSceneNode()->createChildSceneNode()->attachObject(_ogre);
-		Ogre::Plane plane(Ogre::Vector3::UNIT_Y,-5);
-		Ogre::MeshManager::getSingleton().createPlane("plane",Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME,plane,1500,1500,200,200,true,1,5,5,Ogre::Vector3::UNIT_Z);
-		Ogre::Entity* _ground=_sceneManager->createEntity("LightPlaneEntity","plane");
-		_sceneManager->getRootSceneNode()->createChildSceneNode()->attachObject(_ground);
-                // HERE YOU SET THE MATERIALS FOR EACH OBJECT
-                // e.g. _ogre->setMaterialName(<put name here>);
-                // e.g. _ground->setMaterialName(<put name here>);
-		Ogre::Light* light = _sceneManager->createLight("Light1");
-		light->setType(Ogre::Light::LT_POINT);
-		light->setPosition(Ogre::Vector3(-10.0, 10.0, 5.0));
-	}
-	int startup() {
-		_root=new Ogre::Root("Plugins_d.cfg");
-		if(!_root->showConfigDialog()) {
-			return -1;
-		}
-		Ogre::RenderWindow* window=_root->initialise(true,"Ogre3D Lab6");
-		_sceneManager=_root->createSceneManager(Ogre::ST_GENERIC);
-		_camera=_sceneManager->createCamera("Camera");
-		_camera->setPosition(Ogre::Vector3(0,0,50));
-		_camera->lookAt(Ogre::Vector3(0,0,0));
-		_camera->setNearClipDistance(5);
-		Ogre::Viewport* viewport=window->addViewport(_camera);
-		viewport->setBackgroundColour(Ogre::ColourValue(0.0,0.0,0.5));
-		_camera->setAspectRatio(Ogre::Real(viewport->getActualWidth())/Ogre::Real(viewport->getActualHeight()));
-		loadResources();
-		createScene();
-		_root->startRendering();
-		return 0;
-	}
-};
-int main(void) {
-	MyApplication app;
-	app.startup();
-	return 0;
-}
-</code>
   - **Fixed Diffuse Color Fragment Shader** The first shader program we create is a fragment shader that simply returns a fixed color for each fragment that gets processed. In Ogre you can write shader programs in any of the major high-level shading languages, but we will be using **Cg**. Create a new shader program file called ''diffuseshader.cg'' in your ''Materials'' folder and place the following code inside it:<code c>
 float4 main_orange_fp(in float3 TexelPos : TEXCOORD0) : COLOR {
@@ Line 561: / Line 468: @@
 ===== When You Are Finished =====
-Upload your **commented source files** into Lab6 in MySchool (zip them up if more than one). The lab projects will not be graded, but their completion counts towards your participation grade.
+Upload your **commented source files** into Lab7 in MySchool along with your Material and shader programs. (zip them up if more than one). The lab projects will not be graded, but their completion counts towards your participation grade.