Qt Quick 3D - Picking example
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IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/import QtQuick import QtQuick.Controls import QtQuick3D Window { visible: true width: 800 height: 500 title: qsTr("Picking Example") color: "#848895" Row { anchors.left: parent.left anchors.leftMargin: 8 spacing: 10 Column { Label { color: "white" font.pointSize: 14 text: "Last Pick:" } Label { color: "white" font.pointSize: 14 text: "Screen Position:" } Label { color: "white" font.pointSize: 14 text: "UV Position:" } Label { color: "white" font.pointSize: 14 text: "Distance:" } Label { color: "white" font.pointSize: 14 text: "World Position:" } Label { color: "white" font.pointSize: 14 text: "Local Position:" } Label { color: "white" font.pointSize: 14 text: "World Normal:" } Label { color: "white" font.pointSize: 14 text: "Local Normal:" } } Column { Label { id: pickName color: "white" font.pointSize: 14 } Label { id: pickPosition color: "white" font.pointSize: 14 } Label { id: uvPosition color: "white" font.pointSize: 14 } Label { id: distance color: "white" font.pointSize: 14 } Label { id: scenePosition color: "white" font.pointSize: 14 } Label { id: localPosition color: "white" font.pointSize: 14 } Label { id: worldNormal color: "white" font.pointSize: 14 } Label { id: localNormal color: "white" font.pointSize: 14 } } } View3D { id: view anchors.fill: parent renderMode: View3D.Underlay PointLight { x: -200 y: 200 z: 300 quadraticFade: 0 brightness: 1.5 } PerspectiveCamera { z: 500 } Model { id: cubeModel objectName: "Cube" source: "#Cube" pickable: true property bool isPicked: false scale.x: 1.5 scale.y: 2 scale.z: 1.5 materials: DefaultMaterial { diffuseColor: cubeModel.isPicked ? "#41cd52" : "#09102b" specularAmount: 0.25 specularRoughness: 0.2 roughnessMap: Texture { source: "maps/roughness.jpg" } } SequentialAnimation on eulerRotation { running: !cubeModel.isPicked loops: Animation.Infinite PropertyAnimation { duration: 2500 from: Qt.vector3d(0, 0, 0) to: Qt.vector3d(360, 360, 360) } } } Model { id: coneModel objectName: "Cone" source: "#Cone" pickable: true property bool isPicked: false x: 200 z: 100 scale.x: 2 scale.y: 1.5 scale.z: 2 materials: DefaultMaterial { diffuseColor: coneModel.isPicked ? "#21be2b" : "#53586b" specularAmount: 1 specularRoughness: 0.1 roughnessMap: Texture { source: "maps/roughness.jpg" } } SequentialAnimation on eulerRotation { running: !coneModel.isPicked loops: Animation.Infinite PropertyAnimation { duration: 10000 from: Qt.vector3d(0, 0, 0) to: Qt.vector3d(-360, 360, 0) } } } Model { id: sphereModel objectName: "Sphere" source: "#Sphere" pickable: true property bool isPicked: false x: -100 y: -100 z: -100 scale.x: 5 scale.y: 3 scale.z: 1 materials: DefaultMaterial { diffuseColor: sphereModel.isPicked ? "#17a81a" : "#9d9faa" specularAmount: 0.25 specularRoughness: 0.2 roughnessMap: Texture { source: "maps/roughness.jpg" } } SequentialAnimation on eulerRotation.x { running: !sphereModel.isPicked loops: Animation.Infinite PropertyAnimation { duration: 5000 from: 0 to: 360 } } } } MouseArea { anchors.fill: view onClicked: { // Get screen coordinates of the click pickPosition.text = "(" + mouse.x + ", " + mouse.y + ")" var result = view.pick(mouse.x, mouse.y); if (result.objectHit) { var pickedObject = result.objectHit; // Toggle the isPicked property for the model pickedObject.isPicked = !pickedObject.isPicked; // Get picked model name pickName.text = pickedObject.objectName; // Get other pick specifics uvPosition.text = "(" + result.uvPosition.x.toFixed(2) + ", " + result.uvPosition.y.toFixed(2) + ")"; distance.text = result.distance.toFixed(2); scenePosition.text = "(" + result.scenePosition.x.toFixed(2) + ", " + result.scenePosition.y.toFixed(2) + ", " + result.scenePosition.z.toFixed(2) + ")"; localPosition.text = "(" + result.position.x.toFixed(2) + ", " + result.position.y.toFixed(2) + ", " + result.position.z.toFixed(2) + ")"; worldNormal.text = "(" + result.sceneNormal.x.toFixed(2) + ", " + result.sceneNormal.y.toFixed(2) + ", " + result.sceneNormal.z.toFixed(2) + ")"; localNormal.text = "(" + result.normal.x.toFixed(2) + ", " + result.normal.y.toFixed(2) + ", " + result.normal.z.toFixed(2) + ")"; } else { pickName.text = "None"; uvPosition.text = ""; distance.text = ""; scenePosition.text = ""; localPosition.text = ""; worldNormal.text = ""; localNormal.text = ""; } } } }
