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[ui] Viewer3D: TransformGizmo - use one global FrameAction

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- Use only one global FrameAction instead of having one per axis
This commit is contained in:
Julien-Haudegond 2020-07-07 12:44:23 +02:00
parent 6a9f229838
commit 29c4be6210
2 changed files with 60 additions and 34 deletions
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73
meshroom/ui/qml/Viewer3D/TransformGizmo.qml
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@ -7,16 +7,16 @@ import Qt3D.Logic 2.0
Entity {
id: root
property real gizmoScale: 0.15
property real gizmoScale: 0.20
property Camera camera
readonly property Transform objectTransform : Transform {}
signal pickedChanged(bool picked)
signal pickedChanged(bool pressed)
components: [gizmoDisplayTransform, mouseHandler]
/***** ENUM *****/
/***** ENUMS *****/
enum Axis {
X,
@ -24,6 +24,12 @@ Entity {
Z
}
enum Type {
POSITION,
ROTATION,
SCALE
}
/***** QUATERNIONS *****/
function multiplyQuaternion(q1, q2) {
@ -297,12 +303,15 @@ Entity {
TransformGizmoPicker {
id: scalePicker
mouseController : mouseHandler
objectMaterial : scaleMaterial
objectBaseColor : baseColor
mouseController: mouseHandler
gizmoMaterial: scaleMaterial
gizmoBaseColor: baseColor
gizmoAxis: axis
gizmoType: TransformGizmo.Type.SCALE
onPickedChanged: {
root.pickedChanged(picked)
root.pickedChanged(picker.isPressed) // Used to prevent camera transformations
transformHandler.objectPicker = picker.isPressed ? picker : null // Pass the picker to the global FrameAction
}
}
}
@ -353,12 +362,15 @@ Entity {
TransformGizmoPicker {
id: positionPicker
mouseController : mouseHandler
objectMaterial : positionMaterial
objectBaseColor : baseColor
mouseController: mouseHandler
gizmoMaterial: positionMaterial
gizmoBaseColor: baseColor
gizmoAxis: axis
gizmoType: TransformGizmo.Type.POSITION
onPickedChanged: {
root.pickedChanged(picked)
root.pickedChanged(picker.isPressed) // Used to prevent camera transformations
transformHandler.objectPicker = picker.isPressed ? picker : null // Pass the picker to the global FrameAction
}
}
}
@ -396,24 +408,33 @@ Entity {
TransformGizmoPicker {
id: rotationPicker
mouseController: mouseHandler
objectMaterial: rotationMaterial
objectBaseColor: baseColor
gizmoMaterial: rotationMaterial
gizmoBaseColor: baseColor
gizmoAxis: axis
gizmoType: TransformGizmo.Type.ROTATION
onPickedChanged: {
root.pickedChanged(picked)
root.pickedChanged(picker.isPressed) // Used to prevent camera transformations
transformHandler.objectPicker = picker.isPressed ? picker : null // Pass the picker to the global FrameAction
}
}
}
}
}
FrameAction {
onTriggered: {
// POSITION PICKER
if (positionPicker.isPressed) {
FrameAction {
id: transformHandler
property var objectPicker: null
onTriggered: {
if (objectPicker) {
switch(objectPicker.gizmoType) {
case TransformGizmo.Type.POSITION: {
const offsetX = mouseHandler.currentPosition.x - mouseHandler.lastPosition.x
const offsetY = mouseHandler.currentPosition.y - mouseHandler.lastPosition.y
let pickedAxis
switch(axis) {
switch(objectPicker.gizmoAxis) {
case TransformGizmo.Axis.X: pickedAxis = Qt.vector3d(1,0,0); break
case TransformGizmo.Axis.Y: pickedAxis = Qt.vector3d(0,1,0); break
case TransformGizmo.Axis.Z: pickedAxis = Qt.vector3d(0,0,1); break
@ -423,24 +444,26 @@ Entity {
mouseHandler.lastPosition = mouseHandler.currentPosition
return
}
if (rotationPicker.isPressed) {
case TransformGizmo.Type.ROTATION: {
const offsetX = mouseHandler.currentPosition.x - mouseHandler.lastPosition.x
const offsetY = mouseHandler.currentPosition.y - mouseHandler.lastPosition.y
// const offset = 0.1*offsetX - 0.1*offsetY
const offset = 1
doRotation(axis, offset)
doRotation(objectPicker.gizmoAxis, offset)
mouseHandler.lastPosition = mouseHandler.currentPosition
return
}
if (scalePicker.isPressed) {
case TransformGizmo.Type.SCALE: {
const offsetX = mouseHandler.currentPosition.x - mouseHandler.lastPosition.x
const offsetY = mouseHandler.currentPosition.y - mouseHandler.lastPosition.y
// const offset = 0.1*offsetX - 0.1*offsetY
const offset = 0.05
let pickedAxis
switch(axis) {
switch(objectPicker.gizmoAxis) {
case TransformGizmo.Axis.X: pickedAxis = Qt.vector3d(1,0,0); break
case TransformGizmo.Axis.Y: pickedAxis = Qt.vector3d(0,1,0); break
case TransformGizmo.Axis.Z: pickedAxis = Qt.vector3d(0,0,1); break
@ -448,7 +471,7 @@ Entity {
doScale(pickedAxis.times(offset))
mouseHandler.lastPosition = mouseHandler.currentPosition
return
return
}
}
}