2026年3月26日 星期四

[水井USR] 在Pythonanaywhere上用Django網站結合MindAR實現擴增實境

 



資料來源:https://hiukim.github.io/mind-ar-js-doc/face-tracking-examples/tryon
成果網站:https://virtualtryon.pythonanywhere.com/

1. virtualtryon/virtualtryon/settings.py

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"""
Django settings for virtualtryon project.

Generated by 'django-admin startproject' using Django 5.1.3.

For more information on this file, see
https://docs.djangoproject.com/en/5.1/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/5.1/ref/settings/
"""

from pathlib import Path

# Build paths inside the project like this: BASE_DIR / 'subdir'.
BASE_DIR = Path(__file__).resolve().parent.parent


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/5.1/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = "django-insecure-%f3v+f#_-n3rgr=3d&g($*hufyzkxi+_uqs=1+=+1gj*60qiqr"

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

ALLOWED_HOSTS = ['virtualtryon.pythonanywhere.com']


# Application definition

INSTALLED_APPS = [
    "django.contrib.admin",
    "django.contrib.auth",
    "django.contrib.contenttypes",
    "django.contrib.sessions",
    "django.contrib.messages",
    "django.contrib.staticfiles",
    "tryon",
]

MIDDLEWARE = [
    "django.middleware.security.SecurityMiddleware",
    "django.contrib.sessions.middleware.SessionMiddleware",
    "django.middleware.common.CommonMiddleware",
    "django.middleware.csrf.CsrfViewMiddleware",
    "django.contrib.auth.middleware.AuthenticationMiddleware",
    "django.contrib.messages.middleware.MessageMiddleware",
    "django.middleware.clickjacking.XFrameOptionsMiddleware",
]

ROOT_URLCONF = "virtualtryon.urls"

TEMPLATES = [
    {
        "BACKEND": "django.template.backends.django.DjangoTemplates",
        "DIRS": [BASE_DIR / 'templates'],
        "APP_DIRS": True,
        "OPTIONS": {
            "context_processors": [
                "django.template.context_processors.debug",
                "django.template.context_processors.request",
                "django.contrib.auth.context_processors.auth",
                "django.contrib.messages.context_processors.messages",
            ],
        },
    },
]

WSGI_APPLICATION = "virtualtryon.wsgi.application"


# Database
# https://docs.djangoproject.com/en/5.1/ref/settings/#databases

DATABASES = {
    "default": {
        "ENGINE": "django.db.backends.sqlite3",
        "NAME": BASE_DIR / "db.sqlite3",
    }
}


# Password validation
# https://docs.djangoproject.com/en/5.1/ref/settings/#auth-password-validators

AUTH_PASSWORD_VALIDATORS = [
    {
        "NAME": "django.contrib.auth.password_validation.UserAttributeSimilarityValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.MinimumLengthValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.CommonPasswordValidator",
    },
    {
        "NAME": "django.contrib.auth.password_validation.NumericPasswordValidator",
    },
]


# Internationalization
# https://docs.djangoproject.com/en/5.1/topics/i18n/

LANGUAGE_CODE = "en-us"

TIME_ZONE = "UTC"

USE_I18N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/5.1/howto/static-files/

STATIC_URL = "static/"

# Default primary key field type
# https://docs.djangoproject.com/en/5.1/ref/settings/#default-auto-field

DEFAULT_AUTO_FIELD = "django.db.models.BigAutoField"

# default static files settings for PythonAnywhere.
# see https://help.pythonanywhere.com/pages/DjangoStaticFiles for more info
MEDIA_ROOT = '/home/virtualtryon/virtualtryon/media'
MEDIA_URL = '/media/'
STATIC_ROOT = '/home/virtualtryon/virtualtryon/static'
STATIC_URL = '/static/'
STATICFILES_DIRS = [BASE_DIR / 'static']

2.virtualtryon/virtualtryon/urls.py

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"""
URL configuration for virtualtryon project.

The `urlpatterns` list routes URLs to views. For more information please see:
    https://docs.djangoproject.com/en/5.1/topics/http/urls/
Examples:
Function views
    1. Add an import:  from my_app import views
    2. Add a URL to urlpatterns:  path('', views.home, name='home')
Class-based views
    1. Add an import:  from other_app.views import Home
    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')
Including another URLconf
    1. Import the include() function: from django.urls import include, path
    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))
"""

from django.contrib import admin
from django.urls import path
from tryon import views

urlpatterns = [
    path("admin/", admin.site.urls),
    path('', views.index, name='index'),
]

3.virtualtryon/tryon/views.py

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from django.shortcuts import render

def index(request):
    return render(request, 'index.html')

4.virtualtryon/templates/index.html

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{% load static %}

<!DOCTYPE html>
<html lang="zh-TW">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>虛擬試戴 - MindAR Face Tracking</title>
    
    <script src="https://aframe.io/releases/1.5.0/aframe.min.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/mind-ar@1.2.5/dist/mindar-face-aframe.prod.js"></script>

    <style>
        body { margin: 0; overflow: hidden; background: #000; }
        .example-container {
            position: absolute;
            width: 100%;
            height: 100%;
        }
        .options-panel {
            position: fixed;
            left: 10px;
            top: 10px;
            z-index: 100;
            background: rgba(0,0,0,0.5);
            padding: 10px;
            border-radius: 8px;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }
        .options-panel img {
            width: 60px;
            height: 60px;
            object-fit: cover;
            border: 3px solid transparent;
            cursor: pointer;
            border-radius: 6px;
        }
        .options-panel img.selected {
            border-color: #00ff00;
        }
    </style>
</head>
<body>
    <div class="example-container">
        <!-- 選項面板 -->
        <div class="options-panel">
            <img id="hat1"    src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/hat/thumbnail.png" alt="Hat 1">
            <img id="hat2"    src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/hat2/thumbnail.png" alt="Hat 2">
            <img id="glasses1" src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/glasses/thumbnail.png" alt="Glasses 1">
            <img id="glasses2" src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/glasses2/thumbnail.png" alt="Glasses 2">
            <img id="earring"  src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/earring/thumbnail.png" alt="Earring">
        </div>

        <!-- A-Frame Scene -->
        <a-scene mindar-face embedded 
                 color-space="sRGB" 
                 renderer="colorManagement: true, physicallyCorrectLights" 
                 vr-mode-ui="enabled: false" 
                 device-orientation-permission-ui="enabled: false">

            <a-assets>
                <a-asset-item id="headModel"    src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/sparkar/headOccluder.glb"></a-asset-item>
                <a-asset-item id="glassesModel" src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/glasses/scene.gltf"></a-asset-item>
                <a-asset-item id="glassesModel2" src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/glasses2/scene.gltf"></a-asset-item>
                <a-asset-item id="hatModel"     src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/hat/scene.gltf"></a-asset-item>
                <a-asset-item id="hatModel2"    src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/hat2/scene.gltf"></a-asset-item>
                <a-asset-item id="earringModel" src="https://cdn.jsdelivr.net/gh/hiukim/mind-ar-js@1.2.5/examples/face-tracking/assets/earring/scene.gltf"></a-asset-item>
            </a-assets>

            <a-camera active="false" position="0 0 0"></a-camera>

            <!-- Head Occluder -->
            <a-entity mindar-face-target="anchorIndex: 168">
                <a-gltf-model mindar-face-occluder position="0 -0.3 0.15" rotation="0 0 0" scale="0.065 0.065 0.065" src="#headModel"></a-gltf-model>
            </a-entity>

            <!-- 配件 -->
            <a-entity mindar-face-target="anchorIndex: 10">
                <a-gltf-model class="hat1-entity"   visible="false" rotation="0 0 0" position="0 1.0 -0.5" scale="0.35 0.35 0.35" src="#hatModel"></a-gltf-model>
            </a-entity>
            <a-entity mindar-face-target="anchorIndex: 10">
                <a-gltf-model class="hat2-entity"   visible="false" rotation="0 0 0" position="0 -0.2 -0.5" scale="0.008 0.008 0.008" src="#hatModel2"></a-gltf-model>
            </a-entity>
            <a-entity mindar-face-target="anchorIndex: 168">
                <a-gltf-model class="glasses1-entity" visible="false" rotation="0 0 0" position="0 0 0" scale="0.01 0.01 0.01" src="#glassesModel"></a-gltf-model>
            </a-entity>
            <a-entity mindar-face-target="anchorIndex: 168">
                <a-gltf-model class="glasses2-entity" visible="false" rotation="0 -90 0" position="0 -0.3 0" scale="0.6 0.6 0.6" src="#glassesModel2"></a-gltf-model>
            </a-entity>
            <a-entity mindar-face-target="anchorIndex: 127">
                <a-gltf-model class="earring-entity" visible="false" rotation="-0.1 0 0" position="0 -0.3 -0.3" scale="0.05 0.05 0.05" src="#earringModel"></a-gltf-model>
            </a-entity>
            <a-entity mindar-face-target="anchorIndex: 356">
                <a-gltf-model class="earring-entity" visible="false" rotation="0.1 0 0" position="0 -0.3 -0.3" scale="0.05 0.05 0.05" src="#earringModel"></a-gltf-model>
            </a-entity>
        </a-scene>
    </div>

    <script>
        document.addEventListener("DOMContentLoaded", function() {
            const list = ["glasses1", "glasses2", "hat1", "hat2", "earring"];
            const visibles = [true, false, false, true, true];

            const setVisible = (button, entities, visible) => {
                if (visible) {
                    button.classList.add("selected");
                } else {
                    button.classList.remove("selected");
                }
                entities.forEach((entity) => {
                    entity.setAttribute("visible", visible);
                });
            };

            list.forEach((item, index) => {
                const button = document.querySelector("#" + item);
                const entities = document.querySelectorAll("." + item + "-entity");
                
                if (button && entities.length > 0) {
                    setVisible(button, entities, visibles[index]);
                    
                    button.addEventListener('click', () => {
                        visibles[index] = !visibles[index];
                        setVisible(button, entities, visibles[index]);
                    });
                }
            });
        });
    </script>
</body>
</html>

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