Method draw

samples/_opengl/NormalMapping/src/NormalMappingApp.cpp:285–353

}

void NormalMappingApp::draw()
{
	// clear the window
	gl::clear(); 
	gl::color( Color::white() );

	if( isInitialized() ) {
		// get ready to draw in 3D
		gl::pushMatrices();
		gl::setMatrices( mCamera );

		gl::enableDepthRead();
		gl::enableDepthWrite();

		// bind textures
		mDiffuseMap->bind(0);
		mSpecularMap->bind(1);
		mNormalMap->bind(2);
		mEmissiveMap->bind(3);

		// render our model
#if ! defined( CINDER_GL_ES )
		if( mViewMode == ViewMode::Mesh && mShaderWireframe ) {
			// use our wireframe shader for this scope
			gl::ScopedGlslProg glslProgScope( mShaderWireframe );
	
			gl::pushModelMatrix();
			gl::multModelMatrix( mMeshTransform );
			gl::draw( mMesh );
			gl::popModelMatrix();
		}
		else
#endif
		{
			// use our own normal mapping shader for this scope
			gl::ScopedGlslProg GlslProgScope( mShaderNormalMapping );
	
			gl::pushModelMatrix();
			gl::multModelMatrix( mMeshTransform );
			gl::draw( mMesh );
			gl::popModelMatrix();
		}
	
		// render normals, tangents and bitangents if necessary
		if( mShowNormalsAndTangents ) {
			// use a default shader for this scope
			gl::ScopedGlslProg glslProgScope( gl::getStockShader( gl::ShaderDef().color() ) );

			gl::pushModelMatrix();
			gl::multModelMatrix( mMeshTransform );
			gl::draw( mMeshDebug );
			gl::popModelMatrix();
		}

		// get ready to render in 2D again
		gl::disableDepthWrite();
		gl::disableDepthRead();