new maya camera controller module (wip)

alicevision · Sep 1, 2016 · 45c8b62 · 45c8b62
1 parent ad82764
commit 45c8b62
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Showing 6 changed files with 128 additions and 6 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -44,6 +44,7 @@ add_subdirectory(plugins/qml/controls/NodeEditor)
 add_subdirectory(plugins/qml/debug/InstantCoding)
 add_subdirectory(plugins/qml/debug/Logger)
 add_subdirectory(plugins/qml/qt3d/AlembicEntity)
+add_subdirectory(plugins/qml/qt3d/MayaCameraController)
 add_subdirectory(plugins/qml/stylesheets/DarkStyle)
 
 subdirlist(SUBDIRS ${PROJECT_SOURCE_DIR}/plugins/cpp)

diff --git a/plugins/qml/qt3d/MayaCameraController/CMakeLists.txt b/plugins/qml/qt3d/MayaCameraController/CMakeLists.txt
@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 2.6.2)
+project(mayaCameraControllerQmlPlugin)
+
+# Install settings
+install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+        DESTINATION ${CMAKE_INSTALL_PREFIX}/plugins/qml
+        FILES_MATCHING PATTERN "*.qml"
+        PATTERN "qmldir")
diff --git a/plugins/qml/qt3d/MayaCameraController/MayaCameraController.qml b/plugins/qml/qt3d/MayaCameraController/MayaCameraController.qml
@@ -0,0 +1,104 @@
+import Qt3D.Core 2.0
+import Qt3D.Render 2.0
+import Qt3D.Input 2.0
+import Qt3D.Extras 2.0
+import Qt3D.Logic 2.0
+import QtQml 2.2
+
+Entity {
+
+    id: root
+    property Camera camera
+    property real translateSpeed: 100.0
+    property real tiltSpeed: -500.0
+    property real panSpeed: 500.0
+
+    KeyboardDevice { id: keyboardSourceDevice }
+    MouseDevice { id: mouseSourceDevice; sensitivity: 0.1 }
+
+    LogicalDevice {
+        id: cameraControlDevice
+        actions: [
+            Action {
+                id: actionLMB
+                inputs: [
+                    ActionInput {
+                        sourceDevice: mouseSourceDevice
+                        buttons: [MouseEvent.LeftButton]
+                    }
+                ]
+            },
+            Action {
+                id: actionRMB
+                inputs: [
+                    ActionInput {
+                        sourceDevice: mouseSourceDevice
+                        buttons: [MouseEvent.RightButton]
+                    }
+                ]
+            },
+            Action {
+                id: actionMMB
+                inputs: [
+                    ActionInput {
+                        sourceDevice: mouseSourceDevice
+                        buttons: [MouseEvent.MiddleButton]
+                    }
+                ]
+            },
+            Action {
+                id: actionAlt
+                inputs: [
+                    ActionInput {
+                        sourceDevice: keyboardSourceDevice
+                        buttons: [Qt.Key_Alt]
+                    }
+                ]
+            }
+        ]
+        axes: [
+            Axis {
+                id: axisMX
+                inputs: [
+                    AnalogAxisInput {
+                        sourceDevice: mouseSourceDevice
+                        axis: MouseDevice.X
+                    }
+                ]
+            },
+            Axis {
+                id: axisMY
+                inputs: [
+                    AnalogAxisInput {
+                        sourceDevice: mouseSourceDevice
+                        axis: MouseDevice.Y
+                    }
+                ]
+            }
+        ]
+    }
+
+    components: [
+        FrameAction {
+            onTriggered: {
+                if(!actionAlt.active)
+                    return;
+                if(actionLMB.active) { // rotate
+                    var rx = -axisMX.value;
+                    var ry = axisMY.value;
+                    root.camera.panAboutViewCenter(root.panSpeed * rx * dt)
+                    root.camera.tiltAboutViewCenter(root.tiltSpeed * ry * dt)
+                }
+                if(actionMMB.active) { // translate
+                    var tx = axisMX.value * root.translateSpeed;
+                    var ty = axisMY.value * root.translateSpeed;
+                    root.camera.translate(Qt.vector3d(-tx, -ty, 0).times(dt))
+                }
+                if(actionRMB.active) { // zoom
+                    var tz = axisMX.value * root.translateSpeed;
+                    root.camera.translate(Qt.vector3d(0, 0, tz).times(dt))
+                }
+            }
+        }
+    ]
+}
diff --git a/plugins/qml/qt3d/MayaCameraController/qmldir b/plugins/qml/qt3d/MayaCameraController/qmldir
@@ -0,0 +1,3 @@
+module MayaCameraController
+
+MayaCameraController 1.0 MayaCameraController.qml
diff --git a/src/qml/View3D.qml b/src/qml/View3D.qml
@@ -8,6 +8,7 @@ import Qt3D.Input 2.0
 import Qt3D.Extras 2.0
 import Qt3D.Logic 2.0
 import AlembicEntity 1.0
+import MayaCameraController 1.0
 
 Item {
 
@@ -24,11 +25,9 @@ Item {
     Scene3D {
         anchors.fill: parent
         focus: true
-        cameraAspectRatioMode: Scene3D.AutomaticAspectRatio // vs.UserAspectRatio
+        cameraAspectRatioMode: Scene3D.AutomaticAspectRatio // vs. UserAspectRatio
         aspects: ["logic", "input"]
-
         Entity {
-            id: sceneRoot
             Camera {
                 id: mainCamera
                 projectionType: CameraLens.PerspectiveProjection
@@ -40,6 +39,7 @@ Item {
                 viewCenter: Qt.vector3d(0.0, 0.0, 0.0)
                 aspectRatio: width/height
             }
+            MayaCameraController { camera: mainCamera }
             components: [
                 RenderSettings {
                     activeFrameGraph: Viewport {
@@ -71,6 +71,7 @@ Item {
     }
 
     Slider {
+        focusPolicy: Qt.NoFocus
         from: 0.1
         to: 2
         stepSize: 0.01

diff --git a/src/qml/main.qml b/src/qml/main.qml
@@ -66,8 +66,14 @@ ApplicationWindow {
                 StackLayout {
                     currentIndex: bar.currentIndex
                     onCurrentIndexChanged: children[currentIndex].focus = true
-                    View2D { anchors.fill: parent }
-                    View3D { anchors.fill: parent }
+                    FocusScope {
+                        anchors.fill: parent
+                        View2D { anchors.fill: parent }
+                    }
+                    FocusScope {
+                        anchors.fill: parent
+                        View3D { anchors.fill: parent }
+                    }
                 }
             }
             Graph {
@@ -81,7 +87,6 @@ ApplicationWindow {
         }
     }
 
-
     // footer
     footer: LogBar {}
 }