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fix: perf improve on generation

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This commit is contained in:
Florian Sylvain
2024-06-10 00:57:28 +02:00
parent 27659b0ca1
commit 5522b18d2b
1 changed files with 17 additions and 13 deletions
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src/main.ts
+17 -13
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@@ -20,7 +20,7 @@ const controls = new OrbitControls(camera, renderer.domElement)
controls.update() controls.update()
document.body.appendChild(renderer.domElement) document.body.appendChild(renderer.domElement)
new TextureLoader("/debug.png", 16, 16, onTextureLoaded) new TextureLoader("/grass.png", 16, 16, onTextureLoaded)
// const gridHelper = new THREE.GridHelper(1000, 1000) // const gridHelper = new THREE.GridHelper(1000, 1000)
// scene.add(gridHelper) // scene.add(gridHelper)
@@ -40,7 +40,7 @@ const FACES_OFFSETS: { [key: string]: THREE.Vector3 } = {
function filterFaces( function filterFaces(
faces: Face[], faces: Face[],
block: THREE.Vector3, block: THREE.Vector3,
chunk: THREE.Vector3[] chunkSet: Set<string>
): Face[] { ): Face[] {
return faces.filter((face) => { return faces.filter((face) => {
const offset = FACES_OFFSETS[face.orientation] const offset = FACES_OFFSETS[face.orientation]
@@ -49,11 +49,14 @@ function filterFaces(
block.y + offset.y, block.y + offset.y,
block.z + offset.z block.z + offset.z
) )
return !chunk.some((c) => c.equals(adjacentBlock)) return !chunkSet.has(adjacentBlock.toArray().toString())
}) })
} }
function countVisibleFaces(chunk: THREE.Vector3[]): { [key: string]: number } { function countVisibleFaces(
chunkSet: Set<string>,
chunk: THREE.Vector3[]
): { [key: string]: number } {
const faceCounts: { [key: string]: number } = { const faceCounts: { [key: string]: number } = {
Up: 0, Up: 0,
North: 0, North: 0,
@@ -71,7 +74,7 @@ function countVisibleFaces(chunk: THREE.Vector3[]): { [key: string]: number } {
block.y + offset.y, block.y + offset.y,
block.z + offset.z block.z + offset.z
) )
if (!chunk.some((c) => c.equals(adjacentBlock))) { if (!chunkSet.has(adjacentBlock.toArray().toString())) {
faceCounts[orientation]++ faceCounts[orientation]++
} }
}) })
@@ -82,20 +85,21 @@ function countVisibleFaces(chunk: THREE.Vector3[]): { [key: string]: number } {
function onTextureLoaded(textures: THREE.Texture[]) { function onTextureLoaded(textures: THREE.Texture[]) {
const chunk = [] as THREE.Vector3[] const chunk = [] as THREE.Vector3[]
const chunkSet = new Set<string>()
const radius = 64 const radius = 64
for (let i = -radius; i < radius; i++) { for (let i = -radius; i < radius; i++) {
for (let j = -radius; j < radius; j++) { for (let j = -radius; j < radius; j++) {
chunk.push( const block = new THREE.Vector3(
new THREE.Vector3( i,
i, Math.ceil(Math.sin(i / 25) * 8 + Math.cos(j / 25) * 8),
Math.ceil(Math.sin(i / 25) * 8 + Math.cos(j / 25) * 8), j
j
)
) )
chunk.push(block)
chunkSet.add(block.toArray().toString())
} }
} }
const faceCounts = countVisibleFaces(chunk) const faceCounts = countVisibleFaces(chunkSet, chunk)
const faces = [ const faces = [
new Face("Up", faceCounts.Up, textures[0]), new Face("Up", faceCounts.Up, textures[0]),
@@ -108,7 +112,7 @@ function onTextureLoaded(textures: THREE.Texture[]) {
const cubes = [] as Block[] const cubes = [] as Block[]
chunk.forEach((block) => { chunk.forEach((block) => {
cubes.push(new Block(filterFaces(faces, block, chunk), block)) cubes.push(new Block(filterFaces(faces, block, chunkSet), block))
}) })
faces.forEach((face) => { faces.forEach((face) => {