qt3d/examples/keyboardinput-qml/main.qml

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import Qt3D 2.0
import Qt3D.Render 2.0
import Qt3D.Input 2.0

Entity {
    id: root

    Camera {
        id: camera
        projectionType: CameraLens.PerspectiveProjection
        fieldOfView: 45
        aspectRatio: 16/9
        nearPlane : 0.1
        farPlane : 1000.0
        position: Qt.vector3d( 0.0, 0.0, -40.0 )
        upVector: Qt.vector3d( 0.0, 1.0, 0.0 )
        viewCenter: Qt.vector3d( 0.0, 0.0, 0.0 )
    }

    Configuration  { controlledCamera: camera }

    components: FrameGraph {
        activeFrameGraph: Viewport {
            id: viewport
            rect: Qt.rect(0.0, 0.0, 1.0, 1.0) // From Top Left
            clearColor: Qt.rgba(0.2, 0.2, 0.2, 1)

            CameraSelector {
                id : cameraSelector
                camera: camera

                ClearBuffer {
                    buffers : ClearBuffer.ColorDepthBuffer
                }
            }
        }
    }

    Effect {
        id: colorDiffuseEffect
        parameters: [
            Parameter { name: "ambient";   value: Qt.vector3d( 0.1, 0.1, 0.1 ) },
            Parameter { name: "diffuse";   value: Qt.vector3d( 0.7, 0.7, 0.7 ) },
            Parameter { name: "specular";  value: Qt.vector3d( 0.95, 0.95, 0.95 ) },
            Parameter { name: "shininess"; value: root.shininess }
        ]
    }

    SphereMesh {
        id: sphereMesh
    }

    KeyboardController {
        id: keyboardController
    }

    Entity {
        id: sphere1
        property Material material: Material {
            effect: colorDiffuseEffect
        }
        property Transform transform: Transform {
            Translate {
                dx: 5
            }
            Scale {
                scale: sphere1.input.focus ? 2 : 1
            }
        }
        property KeyboardInput input: KeyboardInput {
            controller: keyboardController
            focus: true
            onTabPressed: {
                sphere2.input.focus = true
            }
        }

        components: [material, transform, sphereMesh, input]
    }

    Entity {
        id: sphere2
        property Material material: Material {
            effect: colorDiffuseEffect
        }
        property Transform transform: Transform {
            Translate {
                dx: 0
            }
            Scale {
                scale: sphere2.input.focus ? 2 : 1
            }
        }
        property KeyboardInput input: KeyboardInput {
            controller: keyboardController

            onTabPressed: {
                sphere3.input.focus = true;
            }
        }

        components: [material, transform, sphereMesh, input]
    }

    Entity {
        id: sphere3
        property Material material: Material {
            effect: colorDiffuseEffect
        }
        property Transform transform: Transform {
            Translate {
                id: sphere3dTranslate
                dx: -5
            }
            Scale {
                scale: sphere3.input.focus ? 2 : 1
            }
        }
        property KeyboardInput input: KeyboardInput {
            controller: keyboardController

            onPressed: {
                switch (event.key) {
                case Qt.Key_W:
                    sphere3dTranslate.dy += 0.1;
                    break;
                case Qt.Key_S:
                    sphere3dTranslate.dy -= 0.1;
                    break;
                case Qt.Key_A:
                    sphere3dTranslate.dx += 0.1;
                    break;
                case Qt.Key_D:
                    sphere3dTranslate.dx -= 0.1;
                    break;
                }
            }
            onTabPressed: {
                sphere1.input.focus = true;
            }

        }

        components: [material, transform, sphereMesh, input]
    }
}