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/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
import QtQuick 2.0
import QtQuick3D 1.15
import MouseArea3D 1.0
import LightGeometry 1.0
Node {
id: lightGizmo
property View3D view3D
property Node targetNode: null
property MouseArea3D dragHelper: null
property color color: Qt.rgba(1, 1, 0, 1)
property real brightnessScale: targetNode ? Math.max(1.0, 1.0 + targetNode.brightness) : 100
property real fadeScale: {
// Value indicates area where intensity is above certain percent of total brightness.
if (lightGizmo.targetNode instanceof SpotLight || lightGizmo.targetNode instanceof PointLight) {
var l = targetNode.linearFade;
var q = targetNode.quadraticFade;
var c = targetNode.constantFade;
var d = 20; // divisor to target intensity value. E.g. 20 = 1/20 = 5%
if (l === 0 && q === 0)
l = 1; // For pure constant fade, cone would be infinite, so pretend we have linear fade
// Solved from equation in shader:
// 1 / d = 1 / (c + (l + q * dist) * dist);
if (q === 0)
return 100 * Math.max(((d - c) / l), 1);
else
return 100 * ((Math.sqrt(4 * q * (d - c) + (l * l)) - l) / (2 * q));
} else {
return 100;
}
}
readonly property bool dragging: primaryArrow.dragging
|| spotLightHandle.dragging
|| spotLightInnerHandle.dragging
|| spotLightFadeHandle.dragging
|| areaHeightHandle.dragging
|| areaWidthHandle.dragging
|| pointLightFadeHandle.dragging
property point currentMousePos
property string currentLabel
signal propertyValueCommit(string propName)
signal propertyValueChange(string propName)
position: targetNode ? targetNode.scenePosition : Qt.vector3d(0, 0, 0)
visible: lightGizmo.targetNode instanceof SpotLight
|| lightGizmo.targetNode instanceof AreaLight
|| lightGizmo.targetNode instanceof DirectionalLight
|| lightGizmo.targetNode instanceof PointLight
AutoScaleHelper {
id: autoScaler
view3D: lightGizmo.view3D
}
Node {
id: pointLightParts
rotation: lightGizmo.view3D.camera.rotation
visible: lightGizmo.targetNode instanceof PointLight
LightModel {
id: pointModel
geometryName: "Edit 3D PointLight"
geometryType: LightGeometry.Point
material: lightMaterial
scale: Qt.vector3d(lightGizmo.fadeScale, lightGizmo.fadeScale, lightGizmo.fadeScale)
}
FadeHandle {
id: pointLightFadeHandle
view3D: lightGizmo.view3D
color: (hovering || dragging) ? Qt.rgba(1, 1, 1, 1) : lightGizmo.color
position: lightGizmo.targetNode instanceof PointLight ? Qt.vector3d(-pointModel.scale.x, 0, 0)
: Qt.vector3d(0, 0, 0)
eulerRotation: Qt.vector3d(0, 0, -90)
targetNode: lightGizmo.targetNode instanceof PointLight ? lightGizmo.targetNode : null
active: lightGizmo.targetNode instanceof PointLight
dragHelper: lightGizmo.dragHelper
fadeScale: lightGizmo.fadeScale
onCurrentMousePosChanged: {
lightGizmo.currentMousePos = currentMousePos;
lightGizmo.currentLabel = currentLabel;
}
onValueChange: lightGizmo.propertyValueChange(propName)
onValueCommit: lightGizmo.propertyValueCommit(propName)
}
}
Node {
rotation: !lightGizmo.targetNode ? Qt.quaternion(1, 0, 0, 0)
: lightGizmo.targetNode.sceneRotation
Node {
id: spotParts
visible: lightGizmo.targetNode instanceof SpotLight
LightModel {
id: spotModel
property real coneXYScale: spotParts.visible && lightGizmo.targetNode
? lightGizmo.fadeScale * Math.tan(Math.PI * lightGizmo.targetNode.coneAngle / 180)
: 1
geometryName: "Edit 3D SpotLight Cone"
geometryType: LightGeometry.Spot
material: lightMaterial
scale: Qt.vector3d(coneXYScale, coneXYScale,
spotParts.visible && lightGizmo.targetNode && lightGizmo.targetNode.coneAngle > 90
? -lightGizmo.fadeScale : lightGizmo.fadeScale)
}
LightModel {
id: spotInnerModel
property real coneXYScale: spotParts.visible && lightGizmo.targetNode
? lightGizmo.fadeScale * Math.tan(Math.PI * lightGizmo.targetNode.innerConeAngle / 180)
: 1
geometryName: "Edit 3D SpotLight Inner Cone"
geometryType: LightGeometry.Spot
material: lightMaterial
scale: Qt.vector3d(coneXYScale, coneXYScale,
spotParts.visible && lightGizmo.targetNode && lightGizmo.targetNode.innerConeAngle > 90
? -lightGizmo.fadeScale : lightGizmo.fadeScale)
}
SpotLightHandle {
id: spotLightHandle
view3D: lightGizmo.view3D
color: (hovering || dragging) ? Qt.rgba(1, 1, 1, 1) : lightGizmo.color
position: lightGizmo.targetNode instanceof SpotLight ? Qt.vector3d(0, spotModel.scale.y, -spotModel.scale.z)
: Qt.vector3d(0, 0, 0)
targetNode: lightGizmo.targetNode instanceof SpotLight ? lightGizmo.targetNode : null
active: lightGizmo.targetNode instanceof SpotLight
dragHelper: lightGizmo.dragHelper
propName: "coneAngle"
propValue: lightGizmo.targetNode instanceof SpotLight ? targetNode.coneAngle : 0
onNewValueChanged: targetNode.coneAngle = newValue
onCurrentMousePosChanged: {
lightGizmo.currentMousePos = currentMousePos;
lightGizmo.currentLabel = currentLabel;
}
onValueChange: lightGizmo.propertyValueChange(propName)
onValueCommit: {
if (targetNode.innerConeAngle > targetNode.coneAngle)
targetNode.innerConeAngle = targetNode.coneAngle;
lightGizmo.propertyValueCommit(propName)
lightGizmo.propertyValueCommit(spotLightInnerHandle.propName);
}
}
SpotLightHandle {
id: spotLightInnerHandle
view3D: lightGizmo.view3D
color: (hovering || dragging) ? Qt.rgba(1, 1, 1, 1) : lightGizmo.color
position: lightGizmo.targetNode instanceof SpotLight ? Qt.vector3d(0, -spotInnerModel.scale.y, -spotInnerModel.scale.z)
: Qt.vector3d(0, 0, 0)
eulerRotation: Qt.vector3d(180, 0, 0)
targetNode: lightGizmo.targetNode instanceof SpotLight ? lightGizmo.targetNode : null
active: lightGizmo.targetNode instanceof SpotLight
dragHelper: lightGizmo.dragHelper
propName: "innerConeAngle"
propValue: lightGizmo.targetNode instanceof SpotLight ? targetNode.innerConeAngle : 0
onNewValueChanged: targetNode.innerConeAngle = newValue
onCurrentMousePosChanged: {
lightGizmo.currentMousePos = currentMousePos;
lightGizmo.currentLabel = currentLabel;
}
onValueChange: lightGizmo.propertyValueChange(propName)
onValueCommit: {
if (targetNode.coneAngle < targetNode.innerConeAngle)
targetNode.coneAngle = targetNode.innerConeAngle;
lightGizmo.propertyValueCommit(propName)
lightGizmo.propertyValueCommit(spotLightHandle.propName);
}
}
FadeHandle {
id: spotLightFadeHandle
view3D: lightGizmo.view3D
color: (hovering || dragging) ? Qt.rgba(1, 1, 1, 1) : lightGizmo.color
position: lightGizmo.targetNode instanceof SpotLight ? Qt.vector3d(spotModel.scale.x / 2, 0, -spotInnerModel.scale.z / 2)
: Qt.vector3d(0, 0, 0)
eulerRotation: Qt.vector3d(90, 0, 0)
targetNode: lightGizmo.targetNode instanceof SpotLight ? lightGizmo.targetNode : null
active: lightGizmo.targetNode instanceof SpotLight
dragHelper: lightGizmo.dragHelper
fadeScale: lightGizmo.fadeScale
dragScale: 2
onCurrentMousePosChanged: {
lightGizmo.currentMousePos = currentMousePos;
lightGizmo.currentLabel = currentLabel;
}
onValueChange: lightGizmo.propertyValueChange(propName)
onValueCommit: lightGizmo.propertyValueCommit(propName)
}
}
Node {
id: areaParts
visible: lightGizmo.targetNode instanceof AreaLight
LightModel {
id: areaModel
geometryName: "Edit 3D AreaLight"
geometryType: LightGeometry.Area
material: lightMaterial
scale: areaParts.visible ? Qt.vector3d(lightGizmo.targetNode.width / 2,
lightGizmo.targetNode.height / 2, 1)
.times(lightGizmo.targetNode.scale)
: Qt.vector3d(1, 1, 1)
}
AreaLightHandle {
id: areaWidthHandle
view3D: lightGizmo.view3D
color: (hovering || dragging) ? Qt.rgba(1, 1, 1, 1) : lightGizmo.color
position: lightGizmo.targetNode instanceof AreaLight ? Qt.vector3d(-areaModel.scale.x, 0, 0)
: Qt.vector3d(0, 0, 0)
eulerRotation: Qt.vector3d(0, 0, 90)
targetNode: lightGizmo.targetNode instanceof AreaLight ? lightGizmo.targetNode : null
active: lightGizmo.targetNode instanceof AreaLight
dragHelper: lightGizmo.dragHelper
propName: "width"
propValue: lightGizmo.targetNode instanceof AreaLight ? targetNode.width : 0
onNewValueChanged: targetNode.width = newValue
onCurrentMousePosChanged: {
lightGizmo.currentMousePos = currentMousePos;
lightGizmo.currentLabel = currentLabel;
}
onValueChange: lightGizmo.propertyValueChange(propName)
onValueCommit: lightGizmo.propertyValueCommit(propName)
}
AreaLightHandle {
id: areaHeightHandle
view3D: lightGizmo.view3D
color: (hovering || dragging) ? Qt.rgba(1, 1, 1, 1) : lightGizmo.color
position: lightGizmo.targetNode instanceof AreaLight ? Qt.vector3d(0, -areaModel.scale.y, 0)
: Qt.vector3d(0, 0, 0)
eulerRotation: Qt.vector3d(0, 0, 180)
targetNode: lightGizmo.targetNode instanceof AreaLight ? lightGizmo.targetNode : null
active: lightGizmo.targetNode instanceof AreaLight
dragHelper: lightGizmo.dragHelper
propName: "height"
propValue: lightGizmo.targetNode instanceof AreaLight ? targetNode.height : 0
onNewValueChanged: targetNode.height = newValue
onCurrentMousePosChanged: {
lightGizmo.currentMousePos = currentMousePos;
lightGizmo.currentLabel = currentLabel;
}
onValueChange: lightGizmo.propertyValueChange(propName)
onValueCommit: lightGizmo.propertyValueCommit(propName)
}
}
LightModel {
id: directionalModel
geometryName: "Edit 3D DirLight"
geometryType: LightGeometry.Directional
material: lightMaterial
visible: lightGizmo.targetNode instanceof DirectionalLight
scale: autoScaler.getScale(Qt.vector3d(50, 50, 50))
}
AdjustableArrow {
id: primaryArrow
eulerRotation: Qt.vector3d(-90, 0, 0)
targetNode: lightGizmo.targetNode
color: (hovering || dragging) ? Qt.rgba(1, 1, 1, 1) : lightGizmo.color
view3D: lightGizmo.view3D
active: lightGizmo.visible
dragHelper: lightGizmo.dragHelper
scale: autoScaler.getScale(Qt.vector3d(5, 5, 5))
length: (lightGizmo.brightnessScale / 10) + 3
property real _startBrightness
function updateBrightness(relativeDistance, screenPos)
{
var currentValue = Math.round(Math.max(0, _startBrightness + relativeDistance * 10));
var l = Qt.locale();
lightGizmo.currentLabel = "brightness" + qsTr(": ") + Number(currentValue).toLocaleString(l, 'f', 0);
lightGizmo.currentMousePos = screenPos;
targetNode.brightness = currentValue;
}
onPressed: {
_startBrightness = targetNode.brightness;
updateBrightness(0, screenPos);
}
onDragged: {
updateBrightness(relativeDistance, screenPos);
lightGizmo.propertyValueChange("brightness");
}
onReleased: {
updateBrightness(relativeDistance, screenPos);
lightGizmo.propertyValueCommit("brightness");
}
}
DefaultMaterial {
id: lightMaterial
diffuseColor: lightGizmo.color
lighting: DefaultMaterial.NoLighting
cullMode: Material.NoCulling
}
}
}
|
