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import QtQuick 1.0
import Qt3D 1.0
import ModelTweak 1.0
import "Widgets"
Rectangle {
id: view
width: parent.width/2;
height: parent.height/2
color: parent.color
border.color: parent.border.color
property alias itemPosition: mainItem.position;
property alias itemScale: mainItem.scale;
property alias camera: viewport.camera
property alias viewportName: viewportText.text;
// the current x/y positions of the mouse when the onPressed event was triggered;
// values are invalid if onRelease has occured
property variant down;
// current xyz values of the Translation3D/Rotation3Ds/Scale3D when onPressed was triggered;
// values are invalid if onRelease has occured
property variant translate;
property variant rotate;
property variant scale3d;
// the pixel sensitivity values of the mousemovements
// TODO: expose via api
// TODO: maybe save in settings api?
property double translateSensitivity: 32;
property double rotateSensitivity: 8;
property double scaleSensitivity: 32;
// the name of this viewport's state
property string stateName
// the smoothness values for the state change transformations
// TODO: this should be alterable via the gui and saved in a settings file
Behavior on x { NumberAnimation { duration: 300 } }
Behavior on y { NumberAnimation { duration: 300 } }
Behavior on width { NumberAnimation { duration: 300 } }
Behavior on height { NumberAnimation { duration: 300 } }
signal mouseTranslateX(variant mouse)
signal mouseTranslateY(variant mouse)
signal mouseRotateX(variant mouse)
signal mouseRotateY(variant mouse)
signal mouseScaleX(variant mouse)
signal mouseScaleY(variant mouse)
Viewport {
id: viewport
anchors.fill: parent
picking: false
blending: true
// TODO: camera's position/rotation-around-origin/farplane should be alterable via gui
camera: Camera {
farPlane: 2000 // debugging
}
navigation: false
Item3D {
id: mainItem
mesh: source_mesh
transform: [
transformScale,
transformRotateX,
transformRotateY,
transformRotateZ,
transformTranslate,
]
}
}
MouseArea {
property int mouseDown: Qt.NoButton
anchors.fill: parent
acceptedButtons: Qt.LeftButton | Qt.RightButton | Qt.MiddleButton
onMouseXChanged: {
if (mouseDown & Qt.LeftButton)
mouseTranslateX(mouse)
else if (mouseDown === Qt.RightButton)
mouseRotateX(mouse);
else if (mouseDown === Qt.MiddleButton)
mouseScaleX(mouse)
}
onMouseYChanged: {
if (mouseDown & Qt.LeftButton)
mouseTranslateY(mouse)
else if (mouseDown === Qt.RightButton)
mouseRotateY(mouse);
else if (mouseDown === Qt.MiddleButton)
mouseScaleY(mouse)
}
onPressed: {
// if we already have a mouse button down we don't want to do anything else until it's up again
if (mouseDown !== Qt.NoButton)
return;
mouseDown = mouse.button;
down = Qt.point(mouse.x, mouse.y)
translate = transformTranslate.translate
rotate = Qt.vector3d(transformRotateX.angle, transformRotateY.angle, transformRotateZ.angle)
scale3d = transformScale.scale
}
// clear the current mouse button upon release
onReleased: { mouseDown = Qt.NoButton }
}
ModelViewportResize {
anchors {
top: view.top; topMargin: 2;
right: view.right; rightMargin: 2;
}
}
Text {
id: viewportText
anchors {
top: view.top; topMargin: 4;
left: view.left; leftMargin: 4;
}
color: "white"
font.pixelSize: 16
}
}
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