File size: 2,656 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 | <script lang="ts">
import { createEventDispatcher, tick, onMount } from "svelte";
import { Upload, ModifyUpload } from "@gradio/upload";
import type { FileData } from "@gradio/upload";
import { BlockLabel } from "@gradio/atoms";
import { File } from "@gradio/icons";
import { add_new_model, reset_camera_position } from "../shared/utils";
export let value: null | FileData;
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
];
let mounted = false;
let canvas: HTMLCanvasElement;
let scene: BABYLON.Scene;
let engine: BABYLON.Engine;
function reset_scene(): void {
scene = add_new_model(
canvas,
scene,
engine,
value,
clear_color,
camera_position,
zoom_speed
);
}
onMount(() => {
if (value != null) {
reset_scene();
}
mounted = true;
});
$: ({ data, is_file, name } = value || {
data: undefined,
is_file: undefined,
name: undefined
});
$: canvas && mounted && data != null && is_file && reset_scene();
async function handle_upload({
detail
}: CustomEvent<FileData>): Promise<void> {
value = detail;
await tick();
reset_scene();
dispatch("change", value);
}
async function handle_clear(): Promise<void> {
if (scene && engine) {
scene.dispose();
engine.dispose();
}
value = null;
await tick();
dispatch("clear");
}
async function handle_undo(): Promise<void> {
reset_camera_position(scene, camera_position, zoom_speed);
}
const dispatch = createEventDispatcher<{
change: FileData | null;
clear: undefined;
drag: boolean;
}>();
let dragging = false;
import * as BABYLON from "babylonjs";
import * as BABYLON_LOADERS from "babylonjs-loaders";
BABYLON_LOADERS.OBJFileLoader.IMPORT_VERTEX_COLORS = true;
$: dispatch("drag", dragging);
</script>
<BlockLabel {show_label} Icon={File} label={label || "3D Model"} />
{#if value === null}
<Upload on:load={handle_upload} filetype=".obj, .gltf, .glb" bind:dragging>
<slot />
</Upload>
{:else}
<div class="input-model">
<ModifyUpload
undoable
on:clear={handle_clear}
on:undo={handle_undo}
absolute
/>
<canvas bind:this={canvas} />
</div>
{/if}
<style>
.input-model {
display: flex;
position: relative;
justify-content: center;
align-items: center;
width: var(--size-full);
height: var(--size-full);
}
canvas {
width: var(--size-full);
height: var(--size-full);
object-fit: contain;
overflow: hidden;
}
</style>
|