1 files changed, 4 insertions, 0 deletions
diff --git a/src/glwidget.cpp b/src/glwidget.cpp
index 98d8924..2801251 100755
--- a/src/glwidget.cpp
+++ b/src/glwidget.cpp
@@ -112,10 +112,14 @@ void GLWidget::initializeGL()
 void GLWidget::paintGL()
 {
     glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+    glEnable( GL_BLEND );
 
     m_defaultShader->bind();
     m_defaultShader->setUniform("proj", m_camera.getProjection());
     m_defaultShader->setUniform("view", m_camera.getView());
+    Eigen::Matrix4f inverseView = m_camera.getView().inverse();
+    m_defaultShader->setUniform("inverseView", inverseView);
     m_arap.draw(m_defaultShader, GL_TRIANGLES);
     m_defaultShader->unbind();