Added camera panning

main.cpp

@@ -67,6 +67,7 @@ public:
     grbl::program_renderer renderer;
 
     glm::vec3 cam_target = glm::vec3(0);
+    glm::vec3 cam_pan = glm::vec3(0);
     float cam_zoom = 0;
     glm::quat cam_src_rotation = glm::quat(1.0, 0.0, 0.0, 0.0); // identity quaternion
 
@@ -128,10 +129,9 @@ public:
 
         perform_layout();
 
-        m_render_pass = new RenderPass({this});
+        m_render_pass = new RenderPass({this}, nullptr, nullptr, nullptr, true);
         m_render_pass->set_clear_color(0, Color(0.13f, 0.13f, 0.13f, 1.f));
-        m_render_pass->set_clear_depth(0.0);
-        m_render_pass->set_depth_test(RenderPass::DepthTest::Always, true);
+        m_render_pass->set_depth_test(RenderPass::DepthTest::Greater, true);
         m_render_pass->set_cull_mode(RenderPass::CullMode::Disabled);
     }
 
@@ -955,8 +955,8 @@ public:
                 }
 
             } else if (is_panning) {
-//                cam_src.x += (float) rel.x() / 10.0f;
-//                cam_src.y += (float) rel.y() / 10.0f;
+                cam_pan.x += (float) rel.x() / 10.0f;
+                cam_pan.y -= (float) rel.y() / 10.0f;
             }
             return true;
         }
@@ -1007,10 +1007,11 @@ public:
 
             glm::mat4 view = glm::translate(glm::mat4(1.0f), glm::vec3(0, 0, -cam_zoom)) *
                              glm::toMat4(cam_src_rotation) *
-                             glm::translate(glm::mat4(1.0f), -cam_target);
+                             glm::translate(glm::mat4(1.0f), cam_pan - cam_target);
 
             glm::mat4 model = glm::mat4(1.0f);
             glm::mat3 normal_mat = glm::inverseTranspose(glm::mat3(view * model));
+
             renderer.render(model, view, projection, normal_mat, glm::vec2(fb_size.x(), fb_size.y()));
         }