File size: 2,686 Bytes
8766bc5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 | <script lang="ts">
import type { FileData } from "@gradio/upload";
import { BlockLabel, IconButton } from "@gradio/atoms";
import { File, Download, Undo } from "@gradio/icons";
import { add_new_model, reset_camera_position } from "../shared/utils";
import { _ } from "svelte-i18n";
import { onMount } from "svelte";
import * as BABYLON from "babylonjs";
import * as BABYLON_LOADERS from "babylonjs-loaders";
export let value: FileData | null;
export let clear_color: [number, number, number, number] = [0, 0, 0, 0];
export let label = "";
export let show_label: boolean;
export let zoom_speed = 1;
// alpha, beta, radius
export let camera_position: [number | null, number | null, number | null] = [
null,
null,
null
];
BABYLON_LOADERS.OBJFileLoader.IMPORT_VERTEX_COLORS = true;
let canvas: HTMLCanvasElement;
let scene: BABYLON.Scene;
let engine: BABYLON.Engine | null;
let mounted = false;
onMount(() => {
engine = new BABYLON.Engine(canvas, true);
window.addEventListener("resize", () => {
engine?.resize();
});
mounted = true;
});
$: ({ data, name } = value || {
data: undefined,
name: undefined
});
$: canvas && mounted && data != null && name && dispose();
function dispose(): void {
if (scene && !scene.isDisposed) {
scene.dispose();
engine?.stopRenderLoop();
engine?.dispose();
engine = null;
engine = new BABYLON.Engine(canvas, true);
window.addEventListener("resize", () => {
engine?.resize();
});
}
if (engine !== null) {
scene = add_new_model(
canvas,
scene,
engine,
value,
clear_color,
camera_position,
zoom_speed
);
}
}
function handle_undo(): void {
reset_camera_position(scene, camera_position, zoom_speed);
}
</script>
<BlockLabel {show_label} Icon={File} label={label || $_("3D_model.3d_model")} />
{#if value}
<div class="model3D">
<div class="buttons">
<IconButton Icon={Undo} label="Undo" on:click={() => handle_undo()} />
<a
href={value.data}
target={window.__is_colab__ ? "_blank" : null}
download={window.__is_colab__ ? null : value.orig_name || value.name}
>
<IconButton Icon={Download} label={$_("common.download")} />
</a>
</div>
<canvas bind:this={canvas} />
</div>
{/if}
<style>
.model3D {
display: flex;
position: relative;
width: var(--size-full);
height: var(--size-full);
}
canvas {
width: var(--size-full);
height: var(--size-full);
object-fit: contain;
overflow: hidden;
}
.buttons {
display: flex;
position: absolute;
top: var(--size-2);
right: var(--size-2);
justify-content: flex-end;
gap: var(--spacing-sm);
z-index: var(--layer-5);
}
</style>
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