void ShadowMapSample::setup()
{
glPolygonOffset( 1.0f, 1.0f );
glEnable( GL_LIGHTING );
glEnable( GL_DEPTH_TEST );
mPaused = false;
mLookThroughCamera = true;
mDrawDepthMap = false;
mCamera = new CameraPersp( getWindowWidth(), getWindowHeight(), 45.0f );
mCamera->lookAt( vec3( 5, 5, 5 ), vec3( 0, 0, 0 ) );
mCamera->setPerspective( 45.0f, getWindowAspectRatio(), 0.1f, 100.0f );
mLight = new gl::Light( gl::Light::POINT, 0 );
mLight->lookAt( vec3( 1, 5, 1 ), vec3( 0, 0, 0 ) );
mLight->setAmbient( Color( 0.3f, 0.3f, 0.3f ) );
mLight->setDiffuse( Color( 0.5f, 0.5f, 0.5f ) );
mLight->setSpecular( Color( 0.5f, 0.5f, 0.5f ) );
mLight->setShadowParams( 60.0f, 0.5f, 8.0f );
mLight->update( *mCamera );
mLight->enable();
gl::Material torusMaterial;
torusMaterial.setSpecular( BLUE );
torusMaterial.setDiffuse( BLUE );
torusMaterial.setAmbient( Color( 0.1f, 0.1f, 0.1f ) );
torusMaterial.setShininess( 25.0f );
gl::Material backboardMaterial;
backboardMaterial.setAmbient( RED );
backboardMaterial.setDiffuse( RED );
backboardMaterial.setShininess( 1.0f );
initShadowMap();
mTorus = gl::DisplayList( GL_COMPILE );
mTorus.newList();
gl::drawTorus( 1.0f, 0.3f, 32, 64 );
mTorus.endList();
mTorus.setMaterial( torusMaterial );
mBackboard = gl::DisplayList( GL_COMPILE );
mBackboard.newList();
gl::drawCube( vec3( 0.0f, -2.5f, 0.0f ), vec3( 5.0f, 0.1f, 5.0f ) );
mBackboard.endList();
mBackboard.setMaterial( backboardMaterial );
mShader = gl::GlslProg( loadResource( RES_SHADOWMAP_VERT ), loadResource( RES_SHADOWMAP_FRAG ) );
mShader.bind();
mShader.uniform( "depthTexture", 0 );
}
/*
* @Description: setup function ( more aesthetic as could be in constructor here )
* @param: none
* @return: none
*/
void Base_ThreeD_ProjectApp::setup()
{
RENDER_MODE = 3;
glEnable( GL_LIGHTING );
glEnable( GL_DEPTH_TEST );
glEnable(GL_RESCALE_NORMAL); //important if things are being scaled as OpenGL also scales normals ( for proper lighting they need to be normalized )
mParams = params::InterfaceGl( "3D_Scene_Base", Vec2i( 225, 125 ) );
mParams.addParam( "Framerate", &mCurrFramerate, "", true );
mParams.addParam( "Eye Distance", &mCameraDistance, "min=-100.0 max=-5.0 step=1.0 keyIncr== keyDecr=-");
mParams.addParam( "Lighting On", &mLightingOn, "key=l");
mParams.addParam( "Show/Hide Params", &mShowParams, "key=x");
mParams.addSeparator();
mCurrFramerate = 0.0f;
mLightingOn = true;
mViewFromLight = false;
mShowParams = true;
//create camera
mCameraDistance = CAM_POSITION_INIT.z;
mEye = Vec3f(CAM_POSITION_INIT.x, CAM_POSITION_INIT.y, CAM_POSITION_INIT.z);
mCenter = Vec3f::zero();
mUp = Vec3f::yAxis();
mCam = new CameraPersp( getWindowWidth(), getWindowHeight(), 180.0f );
mCam->lookAt(mEye, mCenter, mUp);
mCam->setPerspective( 45.0f, getWindowAspectRatio(), 1.0f, 50.0f );
gl::setMatrices( *mCam );
//create light
mLight = new gl::Light( gl::Light::DIRECTIONAL, 0 );
mLight->lookAt( Vec3f(LIGHT_POSITION_INIT.x, LIGHT_POSITION_INIT.y * -1, LIGHT_POSITION_INIT.z), Vec3f( 0, 0, 0 ) );
mLight->setAmbient( Color( 1.0f, 1.0f, 1.0f ) );
mLight->setDiffuse( Color( 1.0f, 1.0f, 1.0f ) );
mLight->setSpecular( Color( 1.0f, 1.0f, 1.0f ) );
mLight->setShadowParams( 100.0f, 1.0f, 20.0f );
mLight->update( *mCam );
mLight->enable();
//create light ref
mLightRef = new gl::Light( gl::Light::DIRECTIONAL, 0 );
mLightRef->lookAt( LIGHT_POSITION_INIT, Vec3f( 0, 0, 0 ) );
mLightRef->setShadowParams( 100.0f, 1.0f, 20.0f );
//DEBUG Test objects
ci::ColorA pink( CM_RGB, 0.84f, 0.49f, 0.50f, 1.0f );
ci::ColorA green( CM_RGB, 0.39f, 0.78f, 0.64f, 1.0f );
ci::ColorA blue( CM_RGB, 0.32f, 0.59f, 0.81f, 1.0f );
ci::ColorA orange( CM_RGB, 0.77f, 0.35f, 0.35f, 1.0f );
gl::Material torusMaterial;
torusMaterial.setSpecular( ColorA( 1.0, 1.0, 1.0, 1.0 ) );
torusMaterial.setDiffuse( pink );
torusMaterial.setAmbient( ColorA( 0.3, 0.3, 0.3, 1.0 ) );
torusMaterial.setShininess( 25.0f );
gl::Material boardMaterial;
boardMaterial.setSpecular( ColorA( 0.0, 0.0, 0.0, 0.0 ) );
boardMaterial.setAmbient( ColorA( 0.3, 0.3, 0.3, 1.0 ) );
boardMaterial.setDiffuse( green );
boardMaterial.setShininess( 0.0f );
gl::Material boxMaterial;
boxMaterial.setSpecular( ColorA( 0.0, 0.0, 0.0, 0.0 ) );
boxMaterial.setAmbient( ColorA( 0.3, 0.3, 0.3, 1.0 ) );
boxMaterial.setDiffuse( blue );
boxMaterial.setShininess( 0.0f );
gl::Material sphereMaterial;
sphereMaterial.setSpecular( ColorA( 1.0, 1.0, 1.0, 1.0 ) );
sphereMaterial.setAmbient( ColorA( 0.3, 0.3, 0.3, 1.0 ) );
sphereMaterial.setDiffuse( orange ) ;
sphereMaterial.setShininess( 35.0f );
//using DisplayLists for simplicity but highly recommend to use VBO's for serious work ( as DisplayLists will be deprecated soon ... and speed difference in now negligible )
mTorus = gl::DisplayList( GL_COMPILE );
mTorus.newList();
gl::drawTorus( 1.0f, 0.3f, 32, 64 );
mTorus.endList();
mTorus.setMaterial( torusMaterial );
mBoard = gl::DisplayList( GL_COMPILE );
mBoard.newList();
gl::drawCube( Vec3f( 0.0f, 0.0f, 0.0f ), Vec3f( 10.0f, 0.1f, 10.0f ) );
mBoard.endList();
mBoard.setMaterial( boardMaterial );
mBox = gl::DisplayList( GL_COMPILE );
mBox.newList();
gl::drawCube( Vec3f( 0.0f, 0.0f, 0.0f ), Vec3f( 1.0f, 1.0f, 1.0f ) );
mBox.endList();
mBox.setMaterial( boxMaterial );
mSphere = gl::DisplayList( GL_COMPILE );
mSphere.newList();
gl::drawSphere( Vec3f::zero(), 0.8f, 30 );
mSphere.endList();
mSphere.setMaterial( sphereMaterial );
//noise texture required for SSAO calculations
mRandomNoise = gl::Texture( loadImage( loadResource( NOISE_SAMPLER ) ) );
initFBOs();
initShaders();
}