2026年3月30日 星期一

[水井USR] 在Pythonanaywhere上用Django實作標籤AR來播放影片

 


成果網站：https://interactivear.pythonanywhere.com/

標籤：


1.mysite/templates/marker_list.html
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<!DOCTYPE html>
<html lang="zh-Hant">
<head>
  <meta charset="utf-8">
  <title>AR 標籤列表</title>
</head>
<body>
  <h1>AR 標籤列表</h1>

  {% for marker in markers %}
    <div style="margin-bottom:24px;border:1px solid #ccc;padding:16px;">
      <h3>{{ marker.title }}</h3>
      {% if marker.preview_image %}
        <img src="{{ marker.preview_image.url }}" style="max-width:240px;">
      {% endif %}
      <p>{{ marker.description }}</p>
      <a href="{% url 'ar_player' marker.slug %}">開啟 AR 頁面</a>
    </div>
  {% empty %}
    <p>目前沒有可用的 AR 標籤。</p>
  {% endfor %}
</body>


</html>

2.mysite/templates/index.html

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<!DOCTYPE html>
<html lang="zh-Hant">
<head>
  <meta charset="utf-8">
  <title>{{ marker.title }}</title>
  <script src="https://aframe.io/releases/1.6.0/aframe.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/mind-ar@1.2.5/dist/mindar-image-aframe.prod.js"></script>
  <style>
    html, body {
      margin: 0;
      overflow: hidden;
      width: 100%;
      height: 100%;
    }
  </style>
</head>
<body>
  <a-scene
    mindar-image="imageTargetSrc: {{ marker.target_file.url }}; autoStart: true;"
    embedded
    color-space="sRGB"
    renderer="colorManagement: true, physicallyCorrectLights"
    vr-mode-ui="enabled: false"
    device-orientation-permission-ui="enabled: false"
  >
    <a-assets>
      <video
        id="video"
        src="{{ marker.video_file.url }}"
        preload="metadata"
        loop
        playsinline
        webkit-playsinline
        crossorigin="anonymous"
      ></video>
    </a-assets>

    <a-camera position="0 0 0" look-controls="enabled: false"></a-camera>

    <a-entity id="target" mindar-image-target="targetIndex: 0">
      <a-video
        id="video-plane"
        src="#video"
        position="0 0 0"
      ></a-video>
    </a-entity>
  </a-scene>

  <script>
    const target = document.querySelector("#target");
    const video = document.querySelector("#video");
    const videoPlane = document.querySelector("#video-plane");

    // 依標籤比例設定尺寸，而不是依影片比例
    const targetWidth = {{ marker.target_width }};
    const targetHeight = {{ marker.target_height }};

    const width = 1;
    const height = targetHeight / targetWidth;

    videoPlane.setAttribute("width", width);
    videoPlane.setAttribute("height", height);

    target.addEventListener("targetFound", async () => {
      try {
        video.currentTime = 0;
        await video.play();
      } catch (err) {
        console.log("播放失敗", err);
      }
    });

    target.addEventListener("targetLost", () => {
      video.pause();
    });

    document.body.addEventListener("click", async () => {
      try {
        await video.play();
        video.pause();
      } catch (err) {
        console.log("初始化影片失敗", err);
      }
    }, { once: true });
  </script>
</body>
</html>

3.mysite/myapp/views.py

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# myapp/views.py
from django.shortcuts import render, get_object_or_404
from .models import ARMarker


def ar_marker_list(request):
    markers = ARMarker.objects.filter(is_active=True).order_by("-created_at")
    return render(request, "marker_list.html", {"markers": markers})


def ar_player(request, slug):
    marker = get_object_or_404(ARMarker, slug=slug, is_active=True)
    return render(request, "index.html", {"marker": marker})

4.mysite/myapp/models.py

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# myapp/models.py
from django.db import models


class ARMarker(models.Model):
    title = models.CharField("標題", max_length=100)
    slug = models.SlugField("代稱", unique=True)

    preview_image = models.ImageField(
        "辨識圖片預覽",
        upload_to="ar/preview/",
        help_text="這張是給管理者看的預覽圖，不是直接給 MindAR 辨識用。"
    )

    target_file = models.FileField(
        "MindAR target 檔",
        upload_to="ar/targets/",
        help_text="請上傳 .mind 檔案"
    )

    video_file = models.FileField(
        "AR 影片",
        upload_to="ar/videos/"
    )

    target_width = models.PositiveIntegerField(
        "標籤寬度基準",
        default=1,
        help_text="請填入辨識圖的原始寬度，例如 1080"
    )

    target_height = models.PositiveIntegerField(
        "標籤高度基準",
        default=1,
        help_text="請填入辨識圖的原始高度，例如 1920"
    )

    description = models.TextField("說明", blank=True)
    is_active = models.BooleanField("啟用", default=True)
    created_at = models.DateTimeField("建立時間", auto_now_add=True)
    updated_at = models.DateTimeField("更新時間", auto_now=True)

    class Meta:
        verbose_name = "AR標籤"
        verbose_name_plural = "AR標籤"

    def __str__(self):
        return self.title

5.mysite/myapp/admin.py

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from django.contrib import admin
from django.utils.html import format_html
from .models import ARMarker


@admin.register(ARMarker)
class ARMarkerAdmin(admin.ModelAdmin):
    list_display = (
        "id",
        "title",
        "slug",
        "is_active",
        "target_ratio",
        "preview_thumb",
        "created_at",
    )
    list_filter = ("is_active", "created_at")
    search_fields = ("title", "slug", "description")
    prepopulated_fields = {"slug": ("title",)}
    readonly_fields = (
        "preview_thumb_large",
        "created_at",
        "updated_at",
    )
    ordering = ("-created_at",)
    list_per_page = 20

    fieldsets = (
        ("基本資料", {
            "fields": ("title", "slug", "description", "is_active")
        }),
        ("AR 檔案", {
            "fields": (
                "preview_image",
                "preview_thumb_large",
                "target_file",
                "video_file",
            )
        }),
        ("標籤尺寸設定", {
            "description": "請填入辨識圖的原始寬高，用來讓 AR 影片比例與標籤一致。",
            "fields": ("target_width", "target_height"),
        }),
        ("系統資訊", {
            "fields": ("created_at", "updated_at")
        }),
    )

    def preview_thumb(self, obj):
        if obj.preview_image:
            return format_html(
                '<img src="{}" style="height:50px;width:auto;border-radius:4px;object-fit:contain;" />',
                obj.preview_image.url
            )
        return "-"
    preview_thumb.short_description = "預覽"

    def preview_thumb_large(self, obj):
        if obj and obj.preview_image:
            return format_html(
                '<img src="{}" style="max-height:240px;max-width:100%;border-radius:8px;object-fit:contain;" />',
                obj.preview_image.url
            )
        return "尚未上傳圖片"
    preview_thumb_large.short_description = "圖片預覽"

    def target_ratio(self, obj):
        if obj.target_width and obj.target_height:
            return f"{obj.target_width} × {obj.target_height}"
        return "-"
    target_ratio.short_description = "標籤尺寸"

6.mysite/mysite/urls.py

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"""
URL configuration for mysite 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 django.conf import settings
from django.conf.urls.static import static
from myapp.views import ar_player, ar_marker_list

urlpatterns = [
    path("admin/", admin.site.urls),
    path("", ar_marker_list, name="ar_marker_list"),
    path("<slug:slug>/", ar_player, name="ar_player"),
]+ static(settings.MEDIA_URL, document_root=settings.MEDIA_ROOT)

7.mysite/mysite/settings.py

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"""
Django settings for mysite 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-me+v(tu349%8@$hwf=^6z0de%u!0%yha1fi6z7&31(_1-lgl72"

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

ALLOWED_HOSTS = ['InteractiveAR.pythonanywhere.com']


# Application definition

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

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 = "mysite.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 = "mysite.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/InteractiveAR/mysite/media'
MEDIA_URL = '/media/'
STATIC_ROOT = '/home/InteractiveAR/mysite/static'
STATIC_URL = '/static/'
STATICFILES_DIRS = [
    BASE_DIR / "static",
]
STATIC_ROOT = BASE_DIR / 'staticfiles'


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標籤： , , , ,

2026年3月29日 星期日

[水井USR] 在Pythonanaywhere上用Django網站顯示3D模型，加上資料庫

 




前一篇文章：在Pythonanaywhere上用Django網站顯示3D模型
本篇文章成果網站：
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"""
URL configuration for ARmodelViewer 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 myapp import views

urlpatterns = [
    path("admin/", admin.site.urls),
    path('', views.model_viewer, name='ar_model_viewer'),
    path('ar-model-viewer/', views.model_viewer, name='ar_model_viewer'),
    path('ar-model-viewer/<int:model_id>/', views.model_viewer, name='ar_model_viewer'),
]

2.ARmodelViewer/ARmodelViewer/settings.py

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"""
Django settings for ARmodelViewer 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-*bq*cvi-kt)h@l4yi2mto%h($^_n5rl^6q4udiyu==j###sgaz"

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

ALLOWED_HOSTS = ['ARmodelViewer.pythonanywhere.com']


# Application definition

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

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 = "ARmodelViewer.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 = "ARmodelViewer.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/ARmodelViewer/ARmodelViewer/media'
MEDIA_URL = '/media/'
STATIC_ROOT = '/home/ARmodelViewer/ARmodelViewer/static'
STATIC_URL = '/static/'
STATICFILES_DIRS = [
    BASE_DIR / "static",
]
STATIC_ROOT = BASE_DIR / 'staticfiles'

3.ARmodelViewer/myapp/views.py

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from django.shortcuts import render, get_object_or_404
from .models import ARModel

def model_viewer(request, model_id=None):
    if model_id:
        ar_model = get_object_or_404(ARModel, id=model_id, is_active=True)
    else:
        # 預設取第一個啟用的模型，或根據需求調整
        ar_model = ARModel.objects.filter(is_active=True).first()
        if not ar_model:
            # 可處理無模型的情況
            return render(request, 'ar_no_model.html')

    context = {
        'ar_model': ar_model,
    }
    return render(request, 'ar_model_viewer.html', context)

4.ARmodelViewer/myapp/models.py

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from django.db import models

class ARModel(models.Model):
    title = models.CharField(max_length=200, verbose_name="模型標題")
    gltf_url = models.URLField(verbose_name="GLTF 模型 URL", help_text="例如：https://cdn.aframe.io/.../scene.gltf")
    asset_id = models.SlugField(max_length=100, default="model", verbose_name="Asset ID")
    description = models.TextField(blank=True, verbose_name="模型描述")
    shadow_image = models.ImageField(upload_to='ar_shadows/', blank=True, null=True, verbose_name="陰影圖片")
    is_active = models.BooleanField(default=True, verbose_name="啟用")

    def __str__(self):
        return self.title

    class Meta:
        verbose_name = "AR/VR 模型"
        verbose_name_plural = "AR/VR 模型"

5.ARmodelViewer/myapp/admin.py

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from django.contrib import admin
from .models import ARModel

admin.site.register(ARModel)

6.ARmodelViewer/templates/ar_model_viewer.html

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{% load static %}

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>Model Viewer AR - VR</title>
  <meta name="description" content="Model Viewer (VR / AR) • A-Frame">
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no" />

  <!-- A-Frame 主程式庫 -->
  <script src="https://aframe.io/releases/1.7.1/aframe.min.js"></script>

  <!-- 自訂 components -->
  <script src="{% static 'js/animation-mixer.js' %}"></script>
  <script src="{% static 'js/ar-shadows.js' %}"></script>
  <script src="{% static 'js/model-viewer.js' %}"></script>
  <script src="{% static 'js/background-gradient.js' %}"></script>
</head>
<body>
  <a-scene
    renderer="colorManagement: true;"
    info-message="htmlSrc: #messageText"
    model-viewer="gltfModel: #{{ ar_model.asset_id }}; title: {{ ar_model.title|escapejs }}"
    xr-mode-ui="XRMode: xr">

    <a-assets timeout="10000">
      <!-- 由後台指定的模型 -->
      <a-asset-item id="{{ ar_model.asset_id }}"
        src="{{ ar_model.gltf_url }}"
        response-type="arraybuffer"></a-asset-item>

      {% if ar_model.shadow_image %}
        <img id="shadow" src="{{ ar_model.shadow_image.url }}">
      {% else %}
        <img id="shadow" src="{% static 'images/shadow.png' %}">
      {% endif %}

    </a-assets>

  </a-scene>

  <!-- 可選：顯示模型描述 -->
  {% if ar_model.description %}
  <div style="position: absolute; bottom: 10px; left: 10px; background: rgba(0,0,0,0.6); color: white; padding: 10px; border-radius: 5px;">
    {{ ar_model.description }}
  </div>
  {% endif %}
</body>
</html>

7.ARmodelViewer/templates/ar_no_model.html

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{% load static %}
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>沒有可顯示的模型</title>
  <style>
    body { font-family: Arial, sans-serif; text-align: center; padding: 100px; background: #f8f9fa; }
    h1 { color: #dc3545; }
  </style>
</head>
<body>
  <h1>目前沒有可顯示的 AR/VR 模型</h1>
  <p>請先登入 Django Admin 後台，新增至少一個 ARModel 並勾選「啟用」。</p>
  <p><a href="/admin/">前往後台管理</a></p>
</body>
</html>
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[水井USR] 在Pythonanaywhere上用Django網站展現海洋水下的畫面

 





成果網站：https://underwaterworld.pythonanywhere.com/

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2026年3月28日 星期六

[水井USR] 在Pythonanaywhere上用Django網站展現海洋的畫面

 


成果網站：https://oceandjango.pythonanywhere.com/

1.mysite/mysite/settings.py

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"""
Django settings for mysite 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-s*a))3o=9_p0w+=q40wek=*30-&59e5(+3#8%!jp43kq2j1!t9"

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

ALLOWED_HOSTS = ['oceandjango.pythonanywhere.com']


# Application definition

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

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 = "mysite.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 = "mysite.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/oceandjango/mysite/media'
MEDIA_URL = '/media/'
STATIC_ROOT = '/home/oceandjango/mysite/static'
STATIC_URL = '/static/'
STATICFILES_DIRS = [BASE_DIR / 'static']

2.mysite/mysite/urls.py
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"""
URL configuration for mysite 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 myapp import views

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

3.mysite/myapp/views.py
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from django.shortcuts import render

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

4.mysite/templates/index.html

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<!DOCTYPE html>
<html lang="zh-TW">
<head>
  <meta charset="utf-8">
  <title>三維海洋 - 動態水面</title>
  <style>
    body { margin: 0; overflow: hidden; background: #000; font-family: "Microsoft JhengHei", Arial, sans-serif; }
    canvas { display: block; }
    #info {
      position: absolute;
      top: 10px;
      left: 10px;
      color: white;
      background: rgba(0,0,0,0.4);
      padding: 10px;
      border-radius: 5px;
      font-size: 14px;
    }
  </style>
</head>
<body>

<div id="info">拖曳滑鼠旋轉視角 • 滾輪縮放 • 享受台灣海洋</div>

<!-- 1. es-module-shims -->
<script async src="https://ga.jspm.io/npm:es-module-shims@2.8.0/dist/es-module-shims.js"></script>

<!-- 2. Import Map -->
<script type="importmap">
{
  "imports": {
    "three": "https://cdn.jsdelivr.net/npm/three@0.134.0/build/three.module.js",
    "three/addons/": "https://cdn.jsdelivr.net/npm/three@0.134.0/examples/jsm/"
  }
}
</script>

<script type="module">
  import * as THREE from 'three';
  import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
  import { Water } from 'three/addons/objects/Water.js';
  import { Sky } from 'three/addons/objects/Sky.js';

  const scene = new THREE.Scene();
  const camera = new THREE.PerspectiveCamera(55, window.innerWidth / window.innerHeight, 1, 20000);
  camera.position.set(30, 40, 120);

  const renderer = new THREE.WebGLRenderer({ antialias: true });
  renderer.setPixelRatio(window.devicePixelRatio);
  renderer.setSize(window.innerWidth, window.innerHeight);
  renderer.toneMapping = THREE.ACESFilmicToneMapping;
  renderer.toneMappingExposure = 0.6;
  document.body.appendChild(renderer.domElement);

  const controls = new OrbitControls(camera, renderer.domElement);
  controls.target.set(0, 10, 0);
  controls.enableDamping = true;
  controls.update();

  // 海洋
  const waterGeometry = new THREE.PlaneGeometry(10000, 10000);
  const water = new Water(
    waterGeometry,
    {
      textureWidth: 512,
      textureHeight: 512,
      waterNormals: new THREE.TextureLoader().load('https://threejs.org/examples/textures/waternormals.jpg', (texture) => {
        texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
      }),
      sunDirection: new THREE.Vector3(0, -1, 0),
      sunColor: 0xffffff,
      waterColor: 0x001e0f,
      distortionScale: 3.7,
      fog: scene.fog !== undefined
    }
  );
  water.rotation.x = -Math.PI / 2;
  scene.add(water);

  // 天空
  const sky = new Sky();
  sky.scale.setScalar(10000);
  scene.add(sky);

  const skyUniforms = sky.material.uniforms;
  skyUniforms['turbidity'].value = 10;
  skyUniforms['rayleigh'].value = 2;
  skyUniforms['mieCoefficient'].value = 0.005;
  skyUniforms['mieDirectionalG'].value = 0.8;

  const parameters = { elevation: 5, azimuth: 180 };
  const sun = new THREE.Vector3();

  function updateSun() {
    const phi = THREE.MathUtils.degToRad(90 - parameters.elevation);
    const theta = THREE.MathUtils.degToRad(parameters.azimuth);
    sun.setFromSphericalCoords(1, phi, theta);
    sky.material.uniforms['sunPosition'].value.copy(sun);
    water.material.uniforms['sunDirection'].value.copy(sun).normalize();
  }
  updateSun();

  // 視窗調整
  window.addEventListener('resize', () => {
    camera.aspect = window.innerWidth / window.innerHeight;
    camera.updateProjectionMatrix();
    renderer.setSize(window.innerWidth, window.innerHeight);
  });

  // 動畫迴圈
  function animate() {
    requestAnimationFrame(animate);
    water.material.uniforms['time'].value += 0.02;
    controls.update();
    renderer.render(scene, camera);
  }
  animate();
</script>
</body>
</html>
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