app.py

import streamlit as st
import os, base64, shutil, random
from pathlib import Path

@st.cache_data
def load_aframe_and_extras():
    return """
    <script src="https://aframe.io/releases/1.2.0/aframe.min.js"></script>
    <script src="https://unpkg.com/[email protected]/dist/aframe-event-set-component.min.js"></script>
    <script>
    let score = 0;
    AFRAME.registerComponent('draggable', {
      init: function () {
        this.el.setAttribute('class', 'raycastable');
        this.el.setAttribute('cursor-listener', '');
        this.dragHandler = this.dragMove.bind(this);
        this.el.sceneEl.addEventListener('mousemove', this.dragHandler);
        this.el.addEventListener('mousedown', this.onDragStart.bind(this));
        this.el.addEventListener('mouseup', this.onDragEnd.bind(this));
        this.camera = document.querySelector('[camera]');
      },
      remove: function () {
        this.el.removeAttribute('cursor-listener');
        this.el.sceneEl.removeEventListener('mousemove', this.dragHandler);
      },
      onDragStart: function (evt) {
        this.isDragging = true;
        this.el.emit('dragstart');
      },
      onDragEnd: function (evt) {
        this.isDragging = false;
        this.el.emit('dragend');
      },
      dragMove: function (evt) {
        if (!this.isDragging) return;
        var camera = this.camera;
        var vector = new THREE.Vector3(evt.clientX / window.innerWidth * 2 - 1, -(evt.clientY / window.innerHeight) * 2 + 1, 0.5);
        vector.unproject(camera);
        var dir = vector.sub(camera.position).normalize();
        var distance = -camera.position.y / dir.y;
        var pos = camera.position.clone().add(dir.multiplyScalar(distance));
        this.el.setAttribute('position', pos);
      }
    });
    AFRAME.registerComponent('bouncing', {
      schema: {
        speed: {type: 'vec3', default: {x: 0.1, y: 0.1, z: 0.1}},
        dist: {type: 'vec3', default: {x: 0.5, y: 0.5, z: 0.5}}
      },
      init: function () {
        this.originalPos = this.el.getAttribute('position');
        this.dir = {x: 1, y: 1, z: 1};
      },
      tick: function (time, timeDelta) {
        var currentPos = this.el.getAttribute('position');
        var speed = this.data.speed;
        var dist = this.data.dist;
        ['x', 'y', 'z'].forEach(axis => {
          currentPos[axis] += speed[axis] * this.dir[axis] * (timeDelta / 1000);
          if (Math.abs(currentPos[axis] - this.originalPos[axis]) > dist[axis]) {
            this.dir[axis] *= -1;
          }
        });
        this.el.setAttribute('position', currentPos);
      },
      boost: function() {
        var speed = this.data.speed;
        ['x', 'y', 'z'].forEach(axis => {
          speed[axis] *= 1.5;
        });
        this.data.speed = speed;
        this.dir = {
          x: Math.random() > 0.5 ? 1 : -1,
          y: Math.random() > 0.5 ? 1 : -1,
          z: Math.random() > 0.5 ? 1 : -1
        };
      }
    });
    AFRAME.registerComponent('moving-light', {
      schema: {
        color: {type: 'color', default: '#FFF'},
        speed: {type: 'vec3', default: {x: 0.1, y: 0.1, z: 0.1}},
        bounds: {type: 'vec3', default: {x: 5, y: 5, z: 5}}
      },
      init: function () {
        this.dir = {x: 1, y: 1, z: 1};
        this.light = document.createElement('a-light');
        this.light.setAttribute('type', 'point');
        this.light.setAttribute('color', this.data.color);
        this.light.setAttribute('intensity', '0.75');
        this.el.appendChild(this.light);
      },
      tick: function (time, timeDelta) {
        var currentPos = this.el.getAttribute('position');
        var speed = this.data.speed;
        var bounds = this.data.bounds;
        ['x', 'y', 'z'].forEach(axis => {
          currentPos[axis] += speed[axis] * this.dir[axis] * (timeDelta / 1000);
          if (Math.abs(currentPos[axis]) > bounds[axis]) {
            this.dir[axis] *= -1;
          }
        });
        this.el.setAttribute('position', currentPos);
      }
    });
    function moveCamera(direction) {
      var camera = document.querySelector('[camera]');
      var rig = document.querySelector('#rig');
      var pos = rig.getAttribute('position');
      var rot = rig.getAttribute('rotation');
      var speed = 0.5;
      var rotationSpeed = 5;
      switch(direction) {
        case 'up': pos.y += speed; break;
        case 'down': pos.y -= speed; break;
        case 'forward': pos.z -= speed; break;
        case 'left': pos.x -= speed; break;
        case 'right': pos.x += speed; break;
        case 'rotateLeft': rot.y += rotationSpeed; break;
        case 'rotateRight': rot.y -= rotationSpeed; break;
        case 'reset': pos = {x: 0, y: 10, z: 0}; rot = {x: -90, y: 0, z: 0}; break;
        case 'ground': pos = {x: 0, y: 1.6, z: 0}; rot = {x: 0, y: 0, z: 0}; break;
      }
      rig.setAttribute('position', pos);
      rig.setAttribute('rotation', rot);
    }
    function fireRaycast() {
      var camera = document.querySelector('[camera]');
      var direction = new THREE.Vector3();
      camera.object3D.getWorldDirection(direction);
      var raycaster = new THREE.Raycaster();
      raycaster.set(camera.object3D.position, direction);
      var intersects = raycaster.intersectObjects(document.querySelectorAll('.raycastable').map(el => el.object3D), true);
      if (intersects.length > 0) {
        var hitObject = intersects[0].object.el;
        if (hitObject.components.bouncing) {
          hitObject.components.bouncing.boost();
          score += 10;
          document.getElementById('score').setAttribute('value', 'Score: ' + score);
        }
      }
    }
    document.addEventListener('keydown', function(event) {
      switch(event.key.toLowerCase()) {
        case 'w': moveCamera('up'); break;
        case 's': moveCamera('forward'); break;
        case 'x': moveCamera('down'); break;
        case 'q': moveCamera('rotateLeft'); break;
        case 'e': moveCamera('rotateRight'); break;
        case 'z': moveCamera('reset'); break;
        case 'c': moveCamera('ground'); break;
        case ' ': fireRaycast(); break;
      }
    });
    </script>
    """

def create_aframe_entity(file_stem, file_type, position):
    rotation = f"0 {random.uniform(0, 360)} 0"
    bounce_speed = f"{random.uniform(0.05, 0.1)} {random.uniform(0.05, 0.1)} {random.uniform(0.05, 0.1)}"
    bounce_dist = f"0.1 0.1 0.1"
    if file_type == 'obj':
        return f'<a-entity position="{position}" rotation="{rotation}" scale="0.5 0.5 0.5" obj-model="obj: #{file_stem}" class="raycastable" draggable bouncing="speed: {bounce_speed}; dist: {bounce_dist}"></a-entity>'
    elif file_type == 'glb':
        return f'<a-entity position="{position}" rotation="{rotation}" scale="0.5 0.5 0.5" gltf-model="#{file_stem}" class="raycastable" draggable bouncing="speed: {bounce_speed}; dist: {bounce_dist}"></a-entity>'
    elif file_type in ['webp', 'png']:
        return f'<a-image position="{position}" rotation="-90 0 0" src="#{file_stem}" width="0.5" height="0.5" class="raycastable" draggable bouncing="speed: {bounce_speed}; dist: {bounce_dist}"></a-image>'
    elif file_type == 'mp4':
        return f'<a-video position="{position}" rotation="-90 0 0" src="#{file_stem}" width="0.5" height="0.5" class="raycastable" draggable bouncing="speed: {bounce_speed}; dist: {bounce_dist}"></a-video>'
    return ''

@st.cache_data
def encode_file(file_path):
    with open(file_path, "rb") as file:
        return base64.b64encode(file.read()).decode()

@st.cache_data
def generate_tilemap(files, directory, grid_width, grid_height, max_unique_models=5):
    assets = "<a-assets>"
    entities = ""
    tile_size = 1
    start_x = -(grid_width * tile_size) / 2
    start_z = -(grid_height * tile_size) / 2
    unique_files = random.sample(files, min(len(files), max_unique_models))
    encoded_files = {}
    for file in unique_files:
        file_path = os.path.join(directory, file)
        file_type = file.split('.')[-1]
        encoded_file = encode_file(file_path)
        encoded_files[file] = encoded_file
        if file_type in ['obj', 'glb']:
            assets += f'<a-asset-item id="{Path(file).stem}" src="data:application/octet-stream;base64,{encoded_file}"></a-asset-item>'
        elif file_type in ['webp', 'png', 'mp4']:
            mime_type = f"image/{file_type}" if file_type in ['webp', 'png'] else "video/mp4"
            assets += f'<{file_type} id="{Path(file).stem}" src="data:{mime_type};base64,{encoded_file}"></{file_type}>'
    for i in range(grid_width):
        for j in range(grid_height):
            x = start_x + (i * tile_size)
            z = start_z + (j * tile_size)
            position = f"{x} 0 {z}"
            if unique_files:
                file = random.choice(unique_files)
                file_type = file.split('.')[-1]
                entities += create_aframe_entity(Path(file).stem, file_type, position)
    assets += "</a-assets>"
    return assets, entities

def main():
    st.set_page_config(layout="wide")
    with st.sidebar:
        st.markdown("### 🤖 3D AI Using Claude 3.5 Sonnet for AI Pair Programming")
        st.markdown("[Open 3D Animation Toolkit](https://huggingface.co/spaces/awacke1/3d_animation_toolkit)", unsafe_allow_html=True)
        st.markdown("### ⬆️ Upload")
        uploaded_files = st.file_uploader("Add files:", accept_multiple_files=True, key="file_uploader")
        st.markdown("### 🎮 Camera Controls")
        col1, col2, col3 = st.columns(3)
        with col1:
            st.button("⬅️", on_click=lambda: st.session_state.update({'camera_move': 'left'}))
            st.button("🔄↺", on_click=lambda: st.session_state.update({'camera_move': 'rotateLeft'}))
            st.button("🔝", on_click=lambda: st.session_state.update({'camera_move': 'reset'}))
        with col2:
            st.button("⬆️", on_click=lambda: st.session_state.update({'camera_move': 'up'}))
            st.button("👀", on_click=lambda: st.session_state.update({'camera_move': 'ground'}))
            st.button("🔫", on_click=lambda: st.session_state.update({'camera_move': 'fire'}))
        with col3:
            st.button("➡️", on_click=lambda: st.session_state.update({'camera_move': 'right'}))
            st.button("⬇️", on_click=lambda: st.session_state.update({'camera_move': 'down'}))
            st.button("⏩", on_click=lambda: st.session_state.update({'camera_move': 'forward'}))
        st.markdown("### 🗺️ Grid Size")
        grid_width = st.slider("Grid Width", 1, 8, 8)
        grid_height = st.slider("Grid Height", 1, 5, 5)
        st.markdown("### ℹ️ Instructions")
        st.write("- W: Camera up\n- S: Move forward\n- X: Camera down\n- Q/E: Rotate camera left/right\n- Z: Reset camera to top view\n- C: Move camera to ground level\n- Spacebar: Fire raycast\n- Click and drag to move objects\n- Mouse wheel to zoom\n- Right-click and drag to rotate view")
        st.markdown("### 📁 Directory")
        directory = st.text_input("Enter path:", ".", key="directory_input")
    
    if not os.path.isdir(directory):
        st.sidebar.error("Invalid directory path")
        return
    file_types = ['obj', 'glb', 'webp', 'png', 'mp4']
    if uploaded_files:
        for uploaded_file in uploaded_files:
            file_extension = Path(uploaded_file.name).suffix.lower()[1:]
            if file_extension in file_types:
                with open(os.path.join(directory, uploaded_file.name), "wb") as f:
                    shutil.copyfileobj(uploaded_file, f)
                st.sidebar.success(f"Uploaded: {uploaded_file.name}")
            else:
                st.sidebar.warning(f"Skipped unsupported file: {uploaded_file.name}")
    files = [f for f in os.listdir(directory) if f.split('.')[-1] in file_types]

    aframe_scene = f"""
    <a-scene embedded style="height: 600px; width: 100%;">
      <a-entity id="rig" position="0 {max(grid_width, grid_height)} 0" rotation="-90 0 0">
        <a-camera fov="60" look-controls wasd-controls="enabled: false" cursor="rayOrigin: mouse" raycaster="objects: .raycastable"></a-camera>
      </a-entity>
      <a-sky color="#87CEEB"></a-sky>
      <a-entity moving-light="color: #FFD700; speed: 0.07 0.05 0.06; bounds: 4 3 4" position="2 2 -2"></a-entity>
      <a-entity moving-light="color: #FF6347; speed: 0.06 0.08 0.05; bounds: 4 3 4" position="-2 1 2"></a-entity>
      <a-entity moving-light="color: #00CED1; speed: 0.05 0.06 0.07; bounds: 4 3 4" position="0 3 0"></a-entity>
      <a-text id="score" value="Score: 0" position="-1.5 1 -2" scale="0.5 0.5 0.5" color="white"></a-text>
    """

    assets, entities = generate_tilemap(files, directory, grid_width, grid_height, max_unique_models=5)
    aframe_scene += assets + entities + "</a-scene>"

    camera_move = st.session_state.get('camera_move', None)
    if camera_move:
        if camera_move == 'fire':
            aframe_scene += "<script>fireRaycast();</script>"
        else:
            aframe_scene += f"<script>moveCamera('{camera_move}');</script>"
        st.session_state.pop('camera_move')

    st.components.v1.html(load_aframe_and_extras() + aframe_scene, height=600)

if __name__ == "__main__":
    main()