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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
import QtQuick 2.0
import QtQuick3D 1.15
import MouseArea3D 1.0
Node {
id: scaleGizmo
property View3D view3D
property bool highlightOnHover: false
property Node targetNode: null
readonly property bool dragging: scaleRodX.dragging || scaleRodY.dragging || scaleRodZ.dragging
|| planeX.dragging || planeY.dragging || planeZ.dragging
|| centerMouseArea.dragging
property MouseArea3D dragHelper: null
property alias freeDraggerArea: centerMouseArea
position: dragHelper.pivotScenePosition(targetNode)
onTargetNodeChanged: position = dragHelper.pivotScenePosition(targetNode)
Connections {
target: scaleGizmo.targetNode
function onSceneTransformChanged()
{
scaleGizmo.position = scaleGizmo.dragHelper.pivotScenePosition(scaleGizmo.targetNode);
}
}
signal scaleCommit()
signal scaleChange()
Node {
rotation: !targetNode ? Qt.quaternion(1, 0, 0, 0) : targetNode.sceneRotation
ScaleRod {
id: scaleRodX
eulerRotation: Qt.vector3d(0, 0, -90)
axis: Qt.vector3d(1, 0, 0)
targetNode: scaleGizmo.targetNode
color: highlightOnHover && (hovering || dragging) ? Qt.lighter(Qt.rgba(1, 0, 0, 1))
: Qt.rgba(1, 0, 0, 1)
view3D: scaleGizmo.view3D
active: scaleGizmo.visible
dragHelper: scaleGizmo.dragHelper
onScaleCommit: scaleGizmo.scaleCommit()
onScaleChange: scaleGizmo.scaleChange()
}
ScaleRod {
id: scaleRodY
eulerRotation: Qt.vector3d(0, 0, 0)
axis: Qt.vector3d(0, 1, 0)
targetNode: scaleGizmo.targetNode
color: highlightOnHover && (hovering || dragging) ? Qt.lighter(Qt.rgba(0, 0.6, 0, 1))
: Qt.rgba(0, 0.6, 0, 1)
view3D: scaleGizmo.view3D
active: scaleGizmo.visible
dragHelper: scaleGizmo.dragHelper
onScaleCommit: scaleGizmo.scaleCommit()
onScaleChange: scaleGizmo.scaleChange()
}
ScaleRod {
id: scaleRodZ
eulerRotation: Qt.vector3d(90, 0, 0)
axis: Qt.vector3d(0, 0, 1)
targetNode: scaleGizmo.targetNode
color: highlightOnHover && (hovering || dragging) ? Qt.lighter(Qt.rgba(0, 0, 1, 1))
: Qt.rgba(0, 0, 1, 1)
view3D: scaleGizmo.view3D
active: scaleGizmo.visible
dragHelper: scaleGizmo.dragHelper
onScaleCommit: scaleGizmo.scaleCommit()
onScaleChange: scaleGizmo.scaleChange()
}
PlanarScaleHandle {
id: planeX
y: 10
z: 10
eulerRotation: Qt.vector3d(0, 90, 0)
axisX: Qt.vector3d(0, 0, -1)
axisY: Qt.vector3d(0, 1, 0)
targetNode: scaleGizmo.targetNode
color: highlightOnHover && (hovering || dragging) ? Qt.lighter(Qt.rgba(1, 0, 0, 1))
: Qt.rgba(1, 0, 0, 1)
view3D: scaleGizmo.view3D
active: scaleGizmo.visible
dragHelper: scaleGizmo.dragHelper
onScaleCommit: scaleGizmo.scaleCommit()
onScaleChange: scaleGizmo.scaleChange()
}
PlanarScaleHandle {
id: planeY
x: 10
z: 10
eulerRotation: Qt.vector3d(90, 0, 0)
axisX: Qt.vector3d(1, 0, 0)
axisY: Qt.vector3d(0, 0, 1)
targetNode: scaleGizmo.targetNode
color: highlightOnHover && (hovering || dragging) ? Qt.lighter(Qt.rgba(0, 0.6, 0, 1))
: Qt.rgba(0, 0.6, 0, 1)
view3D: scaleGizmo.view3D
active: scaleGizmo.visible
dragHelper: scaleGizmo.dragHelper
onScaleCommit: scaleGizmo.scaleCommit()
onScaleChange: scaleGizmo.scaleChange()
}
PlanarScaleHandle {
id: planeZ
x: 10
y: 10
eulerRotation: Qt.vector3d(0, 0, 0)
axisX: Qt.vector3d(1, 0, 0)
axisY: Qt.vector3d(0, 1, 0)
targetNode: scaleGizmo.targetNode
color: highlightOnHover && (hovering || dragging) ? Qt.lighter(Qt.rgba(0, 0, 1, 1))
: Qt.rgba(0, 0, 1, 1)
view3D: scaleGizmo.view3D
active: scaleGizmo.visible
dragHelper: scaleGizmo.dragHelper
onScaleCommit: scaleGizmo.scaleCommit()
onScaleChange: scaleGizmo.scaleChange()
}
}
Model {
id: centerCube
source: "#Cube"
scale: Qt.vector3d(0.024, 0.024, 0.024)
materials: DefaultMaterial {
id: material
diffuseColor: highlightOnHover
&& (centerMouseArea.hovering || centerMouseArea.dragging)
? Qt.lighter(Qt.rgba(0.5, 0.5, 0.5, 1))
: Qt.rgba(0.5, 0.5, 0.5, 1)
lighting: DefaultMaterial.NoLighting
}
MouseArea3D {
id: centerMouseArea
view3D: scaleGizmo.view3D
x: -60
y: -60
width: 120
height: 120
rotation: view3D.camera.rotation
grabsMouse: scaleGizmo.targetNode
priority: 10
active: scaleGizmo.visible
dragHelper: scaleGizmo.dragHelper
property vector3d _startScale
property point _startScreenPos
function localScale(screenPos)
{
var yDelta = screenPos.y - _startScreenPos.y;
if (yDelta === 0)
return _startScale;
var scaler = 1.0 + (yDelta * 0.025);
if (scaler === 0)
scaler = 0.0001;
return Qt.vector3d(scaler * _startScale.x,
scaler * _startScale.y,
scaler * _startScale.z);
}
onPressed: (planePos, screenPos)=> {
if (!scaleGizmo.targetNode)
return;
if (targetNode == multiSelectionNode)
_generalHelper.restartMultiSelection();
// Recreate vector so we don't follow the changes in targetNode.scale
_startScale = Qt.vector3d(scaleGizmo.targetNode.scale.x,
scaleGizmo.targetNode.scale.y,
scaleGizmo.targetNode.scale.z);
_startScreenPos = screenPos;
}
onDragged: (planePos, screenPos)=> {
if (!scaleGizmo.targetNode)
return;
scaleGizmo.targetNode.scale = localScale(screenPos);
if (targetNode == multiSelectionNode)
_generalHelper.scaleMultiSelection(false);
scaleGizmo.scaleChange();
}
onReleased: (planePos, screenPos)=> {
if (!scaleGizmo.targetNode)
return;
scaleGizmo.targetNode.scale = localScale(screenPos);
if (targetNode == multiSelectionNode)
_generalHelper.scaleMultiSelection(true);
scaleGizmo.scaleCommit();
}
}
}
}
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