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[ui] Viewer3D: TransformGizmo - preparing for the bounding box

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This commit is contained in:
Julien-Haudegond 2020-07-20 10:42:41 +02:00
parent d0a78d96ab
commit 7663a6a44b
2 changed files with 31 additions and 34 deletions
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27
meshroom/ui/qml/Viewer3D/EntityWithGizmo.qml
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@ -7,33 +7,22 @@ import Qt3D.Logic 2.0
Entity {
id: root
property DefaultCameraController cameraController
property DefaultCameraController sceneCameraController
property Layer frontLayerComponent
property var window
readonly property Camera camera : cameraController.camera
readonly property var windowSize: cameraController.windowSize
readonly property alias objectTransform : transformGizmo.objectTransform // The Transform the object should use
readonly property alias updateTransformations: transformGizmo.updateTransformations // Function to update the transformations
signal pickedChanged(bool pressed)
signal gizmoChanged(var translation, var rotation, var scale)
onPickedChanged: {
cameraController.loseMouseFocus = pressed // Notify the camera if the transform takes/releases the focus
}
TransformGizmo {
property TransformGizmo transformGizmo: TransformGizmo {
id: transformGizmo
camera: root.camera
windowSize: root.windowSize
frontLayerComponent: root.frontLayerComponent
window: root.window
onPickedChanged: {
root.pickedChanged(pressed)
}
onGizmoChanged: {
root.gizmoChanged(translation, rotation, scale)
sceneCameraController.loseMouseFocus = pressed // Notify the camera if the transform takes/releases the focus
}
}
readonly property Camera camera : sceneCameraController.camera
readonly property var windowSize: sceneCameraController.windowSize
readonly property alias objectTransform : transformGizmo.objectTransform // The Transform the object should use
}

38
meshroom/ui/qml/Viewer3D/TransformGizmo.qml
View file

@ -14,17 +14,16 @@ Entity {
property var windowSize
property var frontLayerComponent
property var window
readonly property Transform objectTransform : Transform {
property bool focusGizmoPriority: false // If true, it is used to give the priority to the current transformation (and not to a upper-level binding)
property Transform gizmoDisplayTransform: Transform {
id: gizmoDisplayTransform
scale: root.gizmoScale * (camera.position.minus(gizmoDisplayTransform.translation)).length()
}
property Transform objectTransform : Transform {
translation: gizmoDisplayTransform.translation
rotation: gizmoDisplayTransform.rotation
scale3D: Qt.vector3d(1,1,1)
}
readonly property var updateTransformations: function updateTransformations(translation, rotation, scale) {
const gizmoModelMat = Transformations3DHelper.computeModelMatrixWithEuler(translation, rotation, Qt.vector3d(1,1,1))
gizmoDisplayTransform.setMatrix(gizmoModelMat) // Update gizmo matrix and translation/rotation of the object (with binding)
objectTransform.scale3D = scale // Update the scale of the object
}
signal pickedChanged(bool pressed)
signal gizmoChanged(var translation, var rotation, var scale)
@ -34,8 +33,8 @@ Entity {
const rotation = Qt.vector3d(gizmoDisplayTransform.rotationX, gizmoDisplayTransform.rotationY, gizmoDisplayTransform.rotationZ) // Euler angles
const scale = objectTransform.scale3D // Scale of the object
updateTransformations(translation, rotation, scale) // Optional: just to make sure the absolute values work well
gizmoChanged(translation, rotation, scale)
root.focusGizmoPriority = false
}
components: [gizmoDisplayTransform, mouseHandler, frontLayerComponent]
@ -70,15 +69,26 @@ Entity {
}
function resetTranslation() {
gizmoDisplayTransform.translation = Qt.vector3d(0,0,0) // Reset gizmo matrix and object matrix with binding
// We have to make the opposite translation because we cannot override gizmoDisplayTransform.translation (because it can be used in upper-level binding)
// The object translation will also be updated because of the binding
const modelMat = Transformations3DHelper.modelMatrixToMatrices(gizmoDisplayTransform.matrix)
doRelativeTranslation(modelMat, gizmoDisplayTransform.translation.times(-1))
}
function resetRotation() {
// Here, we can change the rotation property (but not rotationX, rotationY and rotationZ because they can be used in upper-level bindings)
gizmoDisplayTransform.rotation = Qt.quaternion(1,0,0,0) // Reset gizmo matrix and object matrix with binding
}
function resetScale() {
objectTransform.scale3D = Qt.vector3d(1,1,1) // Reset only object matrix
// We have to make the difference scale to 1 because we cannot override objectTransform.scale3D (because it can be used in upper-level binding)
const modelMat = Transformations3DHelper.modelMatrixToMatrices(objectTransform.matrix)
const scaleDiff = Qt.vector3d(
-(objectTransform.scale3D.x - 1),
-(objectTransform.scale3D.y - 1),
-(objectTransform.scale3D.z - 1)
)
doRelativeScale(modelMat, scaleDiff)
}
function resetATransformType(transformType) {
@ -102,6 +112,8 @@ Entity {
onPositionChanged: {
if (objectPicker && objectPicker.button === Qt.LeftButton) {
root.focusGizmoPriority = true
// Get the selected axis
let pickedAxis
switch(objectPicker.gizmoAxis) {
@ -188,6 +200,7 @@ Entity {
}
onReleased: {
if(objectPicker && mouse.button === Qt.LeftButton) {
objectPicker = null // To prevent going again in the onPositionChanged
emitGizmoChanged()
}
}
@ -215,11 +228,6 @@ Entity {
/***** GIZMO'S BASIC COMPONENTS *****/
Transform {
id: gizmoDisplayTransform
scale: root.gizmoScale * (camera.position.minus(gizmoDisplayTransform.translation)).length()
}
Entity {
id: centerSphereEntity
components: [centerSphereMesh, centerSphereMaterial, frontLayerComponent]