66 lines
1.9 KiB
Vue
66 lines
1.9 KiB
Vue
<script setup lang="ts">
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import { useGLTF } from '@tresjs/cientos'
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import { Box3, Vector3 } from 'three';
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const props = defineProps(['modelUrl', 'position', 'removePos', 'target'])
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const { scene } = await useGLTF(props.modelUrl)
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scene.receiveShadow = true
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scene.castShadow = true
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const target = props.target ? new Vector3(...props.target) : new Vector3(0, 0, 0)
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const box = new Box3();
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box.expandByObject(scene.children[0]);
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let size = new Vector3();
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box.getSize(size)
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// const box_size = [size.x, size.y, size.z]
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scene.children.forEach((el: any) => {
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el.castShadow = true
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el.receiveShadow = true
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if (props.removePos) {
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el.translateX(-el.position.x)
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el.translateY(-el.position.y)
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el.translateZ(-el.position.z)
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}
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});
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function shadows_and_pos(scene: any) {
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scene.children.forEach((el: any) => {
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el.castShadow = true
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el.receiveShadow = true
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if (props.removePos) {
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el.translateX(-el.position.x)
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el.translateY(-el.position.y)
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el.translateZ(-el.position.z)
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}
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shadows_and_pos(el)
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})
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}
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shadows_and_pos(scene)
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const model = ref()
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const { onLoop } = useRenderLoop()
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let stepbase = 0.005
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const axis = [
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{ axis: 'x', func: 'translateX', },
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{ axis: 'y', func: 'translateY', },
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{ axis: 'z', func: 'translateZ', },
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]
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onLoop(() => {
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if (model.value && props.target) {
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axis.forEach(element => {
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const point = model.value.position[element.axis]
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let step = stepbase * target[element.axis]
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if (Math.abs(point) >= Math.abs(target[element.axis])) {
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step = 0
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}
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model.value[element.func](step)
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});
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}
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})
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</script>
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<template>
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<TresGroup :position="props.position || [0, 0, 0]" ref="model">
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<primitive :object="scene" cast-shadow receive-shadow />
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</TresGroup>
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</template> |