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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| import { Container, ContainerProperties, ContainerRef, isInteractionPanel } from '@react-three/uikit' | ||
| import { forwardRef, useRef } from 'react' | ||
| import { computed } from '@preact/signals-core' | ||
| import { Euler, Matrix4, Quaternion, Vector3 } from 'three' | ||
|
|
||
| const matrixHelper = new Matrix4() | ||
| const quaternionHelper = new Quaternion() | ||
|
|
||
| export const Highlighter = forwardRef<ContainerRef, ContainerProperties>( | ||
| ({ onPointerOver, onPointerLeave, children, ...props }, ref) => { | ||
| const highlightRef = useRef<ContainerRef | null>(null) | ||
| return ( | ||
| <Container | ||
| ref={ref} | ||
| {...props} | ||
| onPointerOver={(e) => { | ||
| if (!isInteractionPanel(e.object) || highlightRef.current == null) { | ||
| return | ||
| } | ||
| const { | ||
| internals: { globalMatrix, root, size }, | ||
| } = e.object | ||
| const transformation = computed(() => { | ||
| const { value } = globalMatrix | ||
| if (value == null) { | ||
| return { translation: new Vector3(), scale: new Vector3(), rotation: new Euler() } | ||
| } | ||
| matrixHelper.copy(value) | ||
| const translation = new Vector3() | ||
| const scale = new Vector3() | ||
| matrixHelper.decompose(translation, quaternionHelper, scale) | ||
| const rotation = new Euler().setFromQuaternion(quaternionHelper) | ||
| return { translation, scale, rotation } | ||
| }) | ||
| const width = computed(() => transformation.value.scale.x * (size.value?.[0] ?? 0)) | ||
| const height = computed(() => transformation.value.scale.y * (size.value?.[1] ?? 0) * 1) | ||
| highlightRef.current.setStyle({ | ||
| visibility: 'visible', | ||
| transformTranslateX: computed( | ||
| () => transformation.value.translation.x / root.pixelSize.value - 0.5 * width.value, | ||
| ), | ||
| transformTranslateY: computed( | ||
| () => -transformation.value.translation.y / root.pixelSize.value - 0.5 * height.value, | ||
| ), | ||
| transformTranslateZ: computed(() => transformation.value.translation.z / root.pixelSize.value), | ||
|
|
||
| transformScaleZ: computed(() => transformation.value.scale.z), | ||
| transformRotateX: computed(() => transformation.value.rotation.x), | ||
| transformRotateZ: computed(() => transformation.value.rotation.y), | ||
| transformRotateY: computed(() => transformation.value.rotation.z), | ||
| width, | ||
| height, | ||
| }) | ||
| onPointerOver?.(e) | ||
| }} | ||
| onPointerLeave={(e) => { | ||
| highlightRef.current?.setStyle({ visibility: 'hidden' }) | ||
|
|
||
| onPointerLeave?.(e) | ||
| }} | ||
| > | ||
| {children} | ||
| <Container | ||
| ref={highlightRef} | ||
| pointerEvents="none" | ||
| positionType="absolute" | ||
| positionLeft="50%" | ||
| positionTop="50%" | ||
| zIndexOffset={Infinity} | ||
| borderColor="red" | ||
| borderWidth={1} | ||
| /> | ||
| </Container> | ||
| ) | ||
| }, | ||
| ) |
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