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[ui] Viewer3D: add a Transform Gizmo Component

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- Visual entity is done
- Need to make it pickable and to apply changes
This commit is contained in:
Julien-Haudegond 2020-07-03 15:47:15 +02:00
parent a24bfc14b0
commit 98936b97d5
1 changed files with 223 additions and 0 deletions
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meshroom/ui/qml/Viewer3D/TransformGizmo.qml Normal file
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import Qt3D.Core 2.0
import Qt3D.Render 2.9
import Qt3D.Input 2.0
import Qt3D.Extras 2.10
import QtQuick 2.9
import Qt3D.Logic 2.0
Entity {
id: root
property real gizmoScale: 0.15
property Camera camera
components: [gizmoTransform]
enum Axis {
X,
Y,
Z
}
Transform {
id: gizmoTransform
scale: {
return root.gizmoScale * (camera.position.minus(gizmoTransform.translation)).length()
}
}
Entity {
id: centerSphereEntity
components: [centerSphereMesh, centerSphereMaterial]
SphereMesh {
id: centerSphereMesh
radius: 0.04
rings: 8
slices: 8
}
PhongMaterial {
id: centerSphereMaterial
property color base: "white"
ambient: base
shininess: 0.2
}
}
// AXIS GIZMO INSTANTIATOR => X, Y and Z
NodeInstantiator {
model: 3
Entity {
id: axisContainer
property int axis : {
switch(index) {
case 0: return TransformGizmo.Axis.X
case 1: return TransformGizmo.Axis.Y
case 2: return TransformGizmo.Axis.Z
}
}
property color baseColor: {
switch(axis) {
case TransformGizmo.Axis.X: return "#e63b55"
case TransformGizmo.Axis.Y: return "#83c414"
case TransformGizmo.Axis.Z: return "#3387e2"
}
}
property real lineRadius: 0.015
PhongMaterial {
id: material
ambient: baseColor
shininess: 0.2
}
// SCALE ENTITY
Entity {
id: scaleEntity
components: [material]
Entity {
id: axisCylinder
components: [cylinderMesh, cylinderTransform, material]
CylinderMesh {
id: cylinderMesh
length: 0.5
radius: axisContainer.lineRadius
rings: 2
slices: 16
}
Transform {
id: cylinderTransform
matrix: {
const offset = cylinderMesh.length/2 + centerSphereMesh.radius
const m = Qt.matrix4x4()
switch(axis) {
case TransformGizmo.Axis.X: {
m.translate(Qt.vector3d(offset, 0, 0))
m.rotate(90, Qt.vector3d(0,0,1))
break
}
case TransformGizmo.Axis.Y: {
m.translate(Qt.vector3d(0, offset, 0))
break
}
case TransformGizmo.Axis.Z: {
m.translate(Qt.vector3d(0, 0, offset))
m.rotate(90, Qt.vector3d(1,0,0))
break
}
}
return m
}
}
}
Entity {
id: axisScaleBox
components: [cubeScaleMesh, cubeScaleTransform, material]
CuboidMesh {
id: cubeScaleMesh
property real edge: 0.07
xExtent: edge
yExtent: edge
zExtent: edge
}
Transform {
id: cubeScaleTransform
matrix: {
const offset = cylinderMesh.length + centerSphereMesh.radius
const m = Qt.matrix4x4()
switch(axis) {
case TransformGizmo.Axis.X: {
m.translate(Qt.vector3d(offset, 0, 0))
m.rotate(90, Qt.vector3d(0,0,1))
break
}
case TransformGizmo.Axis.Y: {
m.translate(Qt.vector3d(0, offset, 0))
break
}
case TransformGizmo.Axis.Z: {
m.translate(Qt.vector3d(0, 0, offset))
m.rotate(90, Qt.vector3d(1,0,0))
break
}
}
return m
}
}
}
}
// POSITION ENTITY
Entity {
id: positionEntity
components: [coneMesh, coneTransform, material]
ConeMesh {
id: coneMesh
bottomRadius : 0.04
topRadius : 0.001
hasBottomEndcap : true
hasTopEndcap : true
length : 0.15
rings : 2
slices : 8
}
Transform {
id: coneTransform
matrix: {
const offset = cylinderMesh.length + centerSphereMesh.radius + 0.4
const m = Qt.matrix4x4()
switch(axis) {
case TransformGizmo.Axis.X: {
m.translate(Qt.vector3d(offset, 0, 0))
m.rotate(-90, Qt.vector3d(0,0,1))
break
}
case TransformGizmo.Axis.Y: {
m.translate(Qt.vector3d(0, offset, 0))
break
}
case TransformGizmo.Axis.Z: {
m.translate(Qt.vector3d(0, 0, offset))
m.rotate(90, Qt.vector3d(1,0,0))
break
}
}
return m
}
}
}
// ROTATION ENTITY
Entity {
id: rotationEntity
components: [torusMesh, torusTransform, material]
TorusMesh {
id: torusMesh
radius: cylinderMesh.length + 0.25
minorRadius: axisContainer.lineRadius
slices: 8
rings: 32
}
Transform {
id: torusTransform
matrix: {
const scaleDiff = 2*torusMesh.minorRadius + 0.01 // Just to make sure there is no face overlapping
const m = Qt.matrix4x4()
switch(axis) {
case TransformGizmo.Axis.X: m.rotate(90, Qt.vector3d(0,1,0)); break
case TransformGizmo.Axis.Y: m.rotate(90, Qt.vector3d(1,0,0)); m.scale(Qt.vector3d(1-scaleDiff, 1-scaleDiff, 1-scaleDiff)); break
case TransformGizmo.Axis.Z: m.scale(Qt.vector3d(1-2*scaleDiff, 1-2*scaleDiff, 1-2*scaleDiff)); break
}
return m
}
}
}
}
}
}