[ui] Viewer3D: Use directional light & add light controller

Use a single light entity instead of one per camera. Use directional light instead of point light. Add camera relative directional light controller.
alicevision · Jul 4, 2024 · 49819dc · 49819dc
1 parent 9b1b277
commit 49819dc
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Showing 4 changed files with 27 additions and 18 deletions.
diff --git a/meshroom/ui/qml/Viewer3D/Inspector3D.qml b/meshroom/ui/qml/Viewer3D/Inspector3D.qml
@@ -69,6 +69,12 @@ FloatingPane {
                         checked: Viewer3DSettings.displayOrigin
                         onClicked: Viewer3DSettings.displayOrigin = !Viewer3DSettings.displayOrigin
                     }
+                    MaterialToolButton {
+                        text: MaterialIcons.light_mode
+                        ToolTip.text: "Display Light Controller"
+                        checked: Viewer3DSettings.displayLightController
+                        onClicked: Viewer3DSettings.displayLightController = !Viewer3DSettings.displayLightController
+                    }
                 }
                 MaterialLabel {
                     text: MaterialIcons.grain

diff --git a/meshroom/ui/qml/Viewer3D/Viewer3D.qml b/meshroom/ui/qml/Viewer3D/Viewer3D.qml
@@ -109,15 +109,6 @@ FocusScope {
                 upVector: defaultCamUpVector
                 viewCenter: defaultCamViewCenter
                 aspectRatio: width/height
-
-                // Scene light, attached to the camera
-                Entity {
-                    components: [
-                        PointLight {
-                            color: "white"
-                        }
-                    ]
-                }
             }
 
             ViewpointCamera {
@@ -127,6 +118,15 @@ FocusScope {
                 camera.aspectRatio: width/height
             }
 
+            Entity {
+                components: [
+                    DirectionalLight{
+                        color: "white"
+                        worldDirection: Transformations3DHelper.getRotatedCameraViewVector(cameraSelector.camera.viewVector, cameraSelector.camera.upVector, directionalLightPane.lightPitchValue, directionalLightPane.lightYawValue).normalized()
+                    }
+                ]
+            }
+
             TrackballGizmo {
                 beamRadius: 4.0/root.height
                 alpha: cameraController.moving ? 1.0 : 0.7
@@ -330,6 +330,17 @@ FocusScope {
         }
     }
 
+    // Directional light controller
+    DirectionalLightPane {
+        id: directionalLightPane
+        anchors {
+            bottom: parent.bottom
+            right: parent.right
+            margins: 2
+        }
+        visible: Viewer3DSettings.displayLightController
+    }
+
     // Menu
     Menu {
         id: contextMenu

diff --git a/meshroom/ui/qml/Viewer3D/Viewer3DSettings.qml b/meshroom/ui/qml/Viewer3D/Viewer3DSettings.qml
@@ -49,6 +49,7 @@ Item {
     property bool displayGrid: true
     property bool displayGizmo: true
     property bool displayOrigin: false
+    property bool displayLightController: false
     // Camera
     property bool syncViewpointCamera: false
     property bool syncWithPickedViewId: false  // Sync active camera with picked view ID from sequence player if the setting is enabled

diff --git a/meshroom/ui/qml/Viewer3D/ViewpointCamera.qml b/meshroom/ui/qml/Viewer3D/ViewpointCamera.qml
@@ -16,15 +16,6 @@ Entity {
         nearPlane : 0.1
         farPlane : 10000.0
         viewCenter: Qt.vector3d(0.0, 0.0, -1.0)
-
-        // Scene light, attached to the camera
-        Entity {
-            components: [
-                PointLight {
-                    color: "white"
-                }
-            ]
-        }
     }
 
     components: [