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fix(babylon_setup.js): get rid of placeholder meshes, avoid collisions in generation

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pobadoba
2026-05-06 01:16:18 +09:00
parent dbaae39239
commit dd0e106bea
1 changed files with 39 additions and 21 deletions
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60
src/babylon_setup.js
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@@ -43,13 +43,6 @@ sphereMaterial.diffuseColor = new BABYLON.Color3(0.2, 0.55, 0.95);
sphereMaterial.emissiveColor = new BABYLON.Color3(0.05, 0.12, 0.2);
sphere.material = sphereMaterial;
// Ground
const ground = BABYLON.MeshBuilder.CreateGround("ground", { width: 14, height: 14 }, scene);
const groundMaterial = new BABYLON.StandardMaterial("groundMaterial", scene);
groundMaterial.diffuseColor = new BABYLON.Color3(0.12, 0.14, 0.17);
groundMaterial.specularColor = BABYLON.Color3.Black();
ground.material = groundMaterial;
// Main render loop
engine.runRenderLoop(() => {
const level = sharedState.config.level;
@@ -71,6 +64,7 @@ let levelMeshes = [];
let chestMap = new Map(); // key: "x,y" -> {mesh, opened}
let keyChestKey = null;
let exitBox = null;
let exitGridPos = null; // track exit grid position for collision checking
const cellSize = 2;
function clearLevelMeshes() {
@@ -81,6 +75,7 @@ function clearLevelMeshes() {
chestMap.clear();
keyChestKey = null;
if (exitBox) { try { exitBox.dispose(); } catch(e){}; exitBox = null; }
exitGridPos = null;
}
// Simple seeded RNG
@@ -220,8 +215,23 @@ function placeExit(grid, seed) {
const dead = findDeadEnds(grid);
const rng = seededRng(seed+1);
if (dead.length === 0) return;
const idx = Math.floor(rng() * dead.length);
const [x,y] = dead[idx];
// Filter out dead ends that have chests
const availableDead = dead.filter(([x, y]) => !chestMap.has(`${x},${y}`));
if (availableDead.length === 0) {
// Fallback: use any dead end if no chest-free spot available
// This shouldn't happen in normal cases
const idx = Math.floor(rng() * dead.length);
const [x,y] = dead[idx];
exitGridPos = { x, y };
// Continue below
} else {
const idx = Math.floor(rng() * availableDead.length);
const [x,y] = availableDead[idx];
exitGridPos = { x, y };
}
const [x,y] = exitGridPos;
const halfW = (grid[0].length * cellSize) / 2;
const halfH = (grid.length * cellSize) / 2;
const ex = x*cellSize - halfW + cellSize/2;
@@ -238,18 +248,26 @@ function spawnCameraAt(grid) {
const h = grid.length, w = grid[0].length;
for (let y = 1; y < h-1; y++) {
for (let x = 1; x < w-1; x++) {
if (grid[y][x] === 0) {
const halfW = (w * cellSize) / 2;
const halfH = (h * cellSize) / 2;
const px = x*cellSize - halfW + cellSize/2;
const pz = y*cellSize - halfH + cellSize/2;
try {
if (camera && camera.position) {
camera.position = new BABYLON.Vector3(px, 1.6, pz);
}
} catch (e) {}
return;
}
// Skip walls
if (grid[y][x] !== 0) continue;
// Skip chests
if (chestMap.has(`${x},${y}`)) continue;
// Skip exit
if (exitGridPos && exitGridPos.x === x && exitGridPos.y === y) continue;
// Found valid spawn point
const halfW = (w * cellSize) / 2;
const halfH = (h * cellSize) / 2;
const px = x*cellSize - halfW + cellSize/2;
const pz = y*cellSize - halfH + cellSize/2;
try {
if (camera && camera.position) {
camera.position = new BABYLON.Vector3(px, 1.6, pz);
}
} catch (e) {}
return;
}
}
}