Spaces:
Runtime error
Runtime error
<html> | |
<head> | |
<title>Three.js Infinite World</title> | |
<style> | |
body { margin: 0; overflow: hidden; } | |
canvas { display: block; } | |
</style> | |
</head> | |
<body> | |
<script type="importmap"> | |
{ | |
"imports": { | |
"three": "https://unpkg.com/three@0.163.0/build/three.module.js", | |
"three/addons/": "https://unpkg.com/three@0.163.0/examples/jsm/" | |
} | |
} | |
</script> | |
<script type="module"> | |
import * as THREE from 'three'; | |
let scene, camera, renderer, playerMesh; | |
let raycaster, mouse; | |
const keysPressed = {}; | |
const playerSpeed = 0.15; | |
let newlyPlacedObjects = []; // Track objects added THIS session for saving | |
// --- Access State from Streamlit --- | |
const allInitialObjects = window.ALL_INITIAL_OBJECTS || []; | |
const plotsMetadata = window.PLOTS_METADATA || []; | |
const selectedObjectType = window.SELECTED_OBJECT_TYPE || "None"; | |
const plotWidth = window.PLOT_WIDTH || 50.0; | |
const plotDepth = window.PLOT_DEPTH || 50.0; | |
const globalState = window.GLOBAL_STATE || { objects: [] }; | |
// --- Setup materials and scene | |
const groundMaterial = new THREE.MeshStandardMaterial({ | |
color: 0x55aa55, roughness: 0.9, metalness: 0.1, side: THREE.DoubleSide | |
}); | |
function init() { | |
scene = new THREE.Scene(); | |
scene.background = new THREE.Color(0xabcdef); | |
const aspect = window.innerWidth / window.innerHeight; | |
camera = new THREE.PerspectiveCamera(60, aspect, 0.1, 4000); | |
camera.position.set(0, 15, 20); | |
camera.lookAt(0, 0, 0); | |
scene.add(camera); | |
setupLighting(); | |
setupInitialGround(); | |
setupPlayer(); | |
raycaster = new THREE.Raycaster(); | |
mouse = new THREE.Vector2(); | |
renderer = new THREE.WebGLRenderer({ antialias: true }); | |
renderer.setSize(window.innerWidth, window.innerHeight); | |
renderer.shadowMap.enabled = true; | |
renderer.shadowMap.type = THREE.PCFSoftShadowMap; | |
document.body.appendChild(renderer.domElement); | |
loadInitialObjects(); | |
restoreUnsavedState(); | |
// Event Listeners | |
document.addEventListener('mousemove', onMouseMove, false); | |
document.addEventListener('click', onDocumentClick, false); | |
window.addEventListener('resize', onWindowResize, false); | |
document.addEventListener('keydown', onKeyDown); | |
document.addEventListener('keyup', onKeyUp); | |
// Define global functions for Streamlit callbacks. | |
window.teleportPlayer = teleportPlayer; | |
window.getSaveDataAndPosition = getSaveDataAndPosition; | |
window.resetNewlyPlacedObjects = resetNewlyPlacedObjects; | |
console.log("Three.js Initialized. World ready."); | |
animate(); | |
} | |
function setupLighting() { | |
const ambientLight = new THREE.AmbientLight(0xffffff, 0.5); | |
scene.add(ambientLight); | |
const directionalLight = new THREE.DirectionalLight(0xffffff, 1.0); | |
directionalLight.position.set(50, 150, 100); | |
directionalLight.castShadow = true; | |
directionalLight.shadow.mapSize.width = 4096; | |
directionalLight.shadow.mapSize.height = 4096; | |
directionalLight.shadow.camera.near = 0.5; | |
directionalLight.shadow.camera.far = 500; | |
directionalLight.shadow.camera.left = -150; | |
directionalLight.shadow.camera.right = 150; | |
directionalLight.shadow.camera.top = 150; | |
directionalLight.shadow.camera.bottom = -150; | |
directionalLight.shadow.bias = -0.001; | |
scene.add(directionalLight); | |
} | |
function setupInitialGround() { | |
console.log(`Setting up initial ground for ${plotsMetadata.length} plots.`); | |
plotsMetadata.forEach(plot => { | |
createGroundPlane(plot.grid_x, plot.grid_z, false); | |
}); | |
if (plotsMetadata.length === 0) { | |
createGroundPlane(0, 0, false); | |
} | |
} | |
function createGroundPlane(gridX, gridZ, isPlaceholder) { | |
const gridKey = `${gridX}_${gridZ}`; | |
const groundGeometry = new THREE.PlaneGeometry(plotWidth, plotDepth); | |
const material = groundMaterial; | |
const groundMesh = new THREE.Mesh(groundGeometry, material); | |
groundMesh.rotation.x = -Math.PI / 2; | |
groundMesh.position.x = gridX * plotWidth + plotWidth / 2; | |
groundMesh.position.z = gridZ * plotDepth + plotDepth / 2; | |
groundMesh.receiveShadow = true; | |
scene.add(groundMesh); | |
} | |
function setupPlayer() { | |
const playerGeo = new THREE.CapsuleGeometry(0.4, 0.8, 4, 8); | |
const playerMat = new THREE.MeshStandardMaterial({ color: 0x0000ff, roughness: 0.6 }); | |
playerMesh = new THREE.Mesh(playerGeo, playerMat); | |
playerMesh.position.set(plotWidth/2, 1, plotDepth/2); | |
playerMesh.castShadow = true; | |
scene.add(playerMesh); | |
} | |
function loadInitialObjects() { | |
console.log(`Loading ${allInitialObjects.length} initial objects from Python.`); | |
allInitialObjects.forEach(objData => { createAndPlaceObject(objData, false); }); | |
// Also load objects from the global state (if any). | |
console.log(`Loading ${globalState.objects ? globalState.objects.length : 0} objects from global state.`); | |
if(globalState.objects) { | |
globalState.objects.forEach(objData => { createAndPlaceObject(objData, false); }); | |
} | |
console.log("Finished loading objects."); | |
} | |
function createAndPlaceObject(objData, isNewObject) { | |
let loadedObject = null; | |
switch (objData.type) { | |
case "Simple House": loadedObject = createSimpleHouse(); break; | |
case "Tree": loadedObject = createTree(); break; | |
case "Rock": loadedObject = createRock(); break; | |
case "Fence Post": loadedObject = createFencePost(); break; | |
default: console.warn("Unknown object type:", objData.type); break; | |
} | |
if (loadedObject) { | |
// Prefer properties from objData using either new or old key names. | |
if(objData.position && objData.position.x !== undefined) { | |
loadedObject.position.set(objData.position.x, objData.position.y, objData.position.z); | |
} else if (objData.pos_x !== undefined) { | |
loadedObject.position.set(objData.pos_x, objData.pos_y, objData.pos_z); | |
} | |
if (objData.rotation) { | |
loadedObject.rotation.set(objData.rotation._x, objData.rotation._y, objData.rotation._z, objData.rotation._order || 'XYZ'); | |
} else if (objData.rot_x !== undefined) { | |
loadedObject.rotation.set(objData.rot_x, objData.rot_y, objData.rot_z, objData.rot_order || 'XYZ'); | |
} | |
loadedObject.userData.obj_id = objData.obj_id || loadedObject.userData.obj_id; | |
scene.add(loadedObject); | |
if (isNewObject) { newlyPlacedObjects.push(loadedObject); } | |
return loadedObject; | |
} | |
return null; | |
} | |
// Sample object creation functions. | |
function createSimpleHouse() { | |
const group = new THREE.Group(); | |
const mat1 = new THREE.MeshStandardMaterial({color:0xffccaa}); | |
const m1 = new THREE.Mesh(new THREE.BoxGeometry(2,1.5,2.5), mat1); | |
m1.position.y = 0.75; | |
group.add(m1); | |
return group; | |
} | |
function createTree() { | |
const group = new THREE.Group(); | |
const mat1 = new THREE.MeshStandardMaterial({color:0x8B4513}); | |
const m1 = new THREE.Mesh(new THREE.CylinderGeometry(0.3,0.4,2,8), mat1); | |
m1.position.y = 1; | |
group.add(m1); | |
const mat2 = new THREE.MeshStandardMaterial({color:0x228B22}); | |
const m2 = new THREE.Mesh(new THREE.IcosahedronGeometry(1.2,0), mat2); | |
m2.position.y = 2.8; | |
group.add(m2); | |
return group; | |
} | |
function createRock() { | |
const mat = new THREE.MeshStandardMaterial({color:0xaaaaaa}); | |
const rock = new THREE.Mesh(new THREE.IcosahedronGeometry(0.7,0), mat); | |
rock.position.y = 0.35; | |
rock.rotation.set(Math.random()*Math.PI, Math.random()*Math.PI, 0); | |
return rock; | |
} | |
function createFencePost() { | |
const mat = new THREE.MeshStandardMaterial({color:0xdeb887}); | |
const post = new THREE.Mesh(new THREE.BoxGeometry(0.2,1.5,0.2), mat); | |
post.position.y = 0.75; | |
return post; | |
} | |
function onMouseMove(event) { | |
mouse.x = (event.clientX / window.innerWidth) * 2 - 1; | |
mouse.y = -(event.clientY / window.innerHeight) * 2 + 1; | |
} | |
function onDocumentClick(event) { | |
if (selectedObjectType === "None") return; | |
raycaster.setFromCamera(mouse, camera); | |
const intersects = raycaster.intersectObjects(scene.children); | |
if (intersects.length > 0) { | |
const intersectPoint = intersects[0].point; | |
let newObject = null; | |
switch (selectedObjectType) { | |
case "Simple House": newObject = createSimpleHouse(); break; | |
case "Tree": newObject = createTree(); break; | |
case "Rock": newObject = createRock(); break; | |
case "Fence Post": newObject = createFencePost(); break; | |
default: return; | |
} | |
if (newObject) { | |
newObject.position.copy(intersectPoint); | |
scene.add(newObject); | |
newlyPlacedObjects.push(newObject); | |
console.log(`Placed new ${selectedObjectType}. Total new objects: ${newlyPlacedObjects.length}`); | |
} | |
} | |
} | |
function onKeyDown(event) { keysPressed[event.code] = true; } | |
function onKeyUp(event) { keysPressed[event.code] = false; } | |
function teleportPlayer(targetX, targetZ) { | |
if (playerMesh) { | |
playerMesh.position.x = targetX; | |
playerMesh.position.z = targetZ; | |
camera.position.x = targetX; | |
camera.position.z = targetZ + 20; | |
console.log("Player teleported."); | |
} | |
} | |
// This function packages new object data and player position for Streamlit. | |
function getSaveDataAndPosition() { | |
const objectsToSave = newlyPlacedObjects.map(obj => { | |
return { | |
obj_id: obj.userData.obj_id, | |
type: selectedObjectType, | |
position: { x: obj.position.x, y: obj.position.y, z: obj.position.z }, | |
rotation: { _x: obj.rotation.x, _y: obj.rotation.y, _z: obj.rotation.z, _order: obj.rotation.order } | |
}; | |
}); | |
// Use the player mesh's position as the player position. | |
const playerPos = playerMesh ? { x: playerMesh.position.x, y: playerMesh.position.y, z: playerMesh.position.z } : {x:0, y:0, z:0}; | |
const payload = { | |
playerPosition: playerPos, | |
objectsToSave: objectsToSave | |
}; | |
console.log("Prepared payload:", payload); | |
// Clear newlyPlacedObjects after packaging. | |
newlyPlacedObjects = []; | |
return JSON.stringify(payload); | |
} | |
function resetNewlyPlacedObjects() { | |
newlyPlacedObjects = []; | |
} | |
function animate() { | |
requestAnimationFrame(animate); | |
renderer.render(scene, camera); | |
} | |
init(); | |
</script> | |
</body> | |
</html> | |