Files
yet-another-cad-viewer/src/tools/Tools.vue

96 lines
3.1 KiB
Vue

<script setup lang="ts">
import {VBtn} from "vuetify/lib/components";
import {ref} from "vue";
import OrientationGizmo from "./OrientationGizmo.vue";
import {OrthographicCamera} from "three/src/cameras/OrthographicCamera";
import {mdiCrosshairsGps, mdiDownload, mdiProjector} from '@mdi/js'
import SvgIcon from '@jamescoyle/vue-icon';
import {SceneMgrRefData} from "../misc/scene";
import type {ModelViewerElement} from '@google/model-viewer';
import Selection from "./Selection.vue";
let props = defineProps<{ refSData: SceneMgrRefData }>();
function syncOrthoCamera(force: boolean) {
let scene = props.refSData.viewerScene;
if (!scene) return;
let perspectiveCam = (scene as any).__perspectiveCamera;
if (force || perspectiveCam && scene.camera != perspectiveCam) {
// Get zoom level from perspective camera
let dist = scene.getTarget().distanceToSquared(perspectiveCam.position);
let w = scene.aspect * dist ** 1.1 / 4000;
let h = dist ** 1.1 / 4000;
(scene as any).camera = new OrthographicCamera(-w, w, h, -h, perspectiveCam.near, perspectiveCam.far);
scene.camera.position.copy(perspectiveCam.position);
scene.camera.lookAt(scene.getTarget().clone().add(scene.target.position));
requestAnimationFrame(() => syncOrthoCamera(false));
}
}
let toggleProjectionText = ref('PERSP'); // Default to perspective camera
function toggleProjection() {
let scene = props.refSData.viewerScene;
if (!scene) return;
let prevCam = scene.camera;
let wasPerspectiveCamera = prevCam.isPerspectiveCamera;
if (wasPerspectiveCamera) {
(scene as any).__perspectiveCamera = prevCam; // Save the default perspective camera
// This hack also needs to sync the camera position and target
requestAnimationFrame(() => syncOrthoCamera(true));
} else {
// Restore the default perspective camera
scene.camera = (scene as any).__perspectiveCamera;
}
toggleProjectionText.value = wasPerspectiveCamera ? 'ORTHO' : 'PERSP';
}
function centerCamera() {
let viewer: ModelViewerElement = props.refSData.viewer;
if (!viewer) return;
viewer.updateFraming();
}
async function downloadSceneGlb() {
let viewer = props.refSData.viewer;
if (!viewer) return;
const glTF = await viewer.exportScene();
const file = new File([glTF], "export.glb");
const link = document.createElement("a");
link.download = file.name;
link.href = URL.createObjectURL(file);
link.click();
}
</script>
<template>
<orientation-gizmo :scene="props.refSData.viewerScene" v-if="props.refSData.viewerScene !== null"/>
<v-btn icon="" @click="toggleProjection"><span class="icon-detail">{{ toggleProjectionText }}</span>
<svg-icon type="mdi" :path="mdiProjector"></svg-icon>
</v-btn>
<v-btn icon="" @click="centerCamera">
<svg-icon type="mdi" :path="mdiCrosshairsGps"/>
</v-btn>
<selection :viewer="props.refSData.viewer"/>
<v-btn icon="" @click="downloadSceneGlb">
<svg-icon type="mdi" :path="mdiDownload"/>
</v-btn>
</template>
<!--suppress CssUnusedSymbol -->
<style>
.icon-detail {
position: absolute;
top: 10px;
left: 0;
font-size: xx-small;
width: 100%;
margin: auto;
}
.icon-detail + svg {
position: relative;
top: 5px;
}
</style>