wip

src/levels_editor_util.ts

@@ -0,0 +1,40 @@
+import {RawLevel} from "./types";
+
+export function resizeLevel(level: RawLevel, sizeDelta: number) {
+    const {size, bricks} = level
+    const newSize = Math.max(1, size + sizeDelta)
+    const newBricks = new Array(newSize * newSize).fill('_')
+    for (let x = 0; x < Math.min(size, newSize); x++) {
+        for (let y = 0; y < Math.min(size, newSize); y++) {
+            newBricks[y * newSize + x] = bricks.split('')[y * size + x] || '_'
+        }
+    }
+    return {
+        size: newSize,
+        bricks: newBricks.join('')
+    }
+}
+
+export function moveLevel(level: RawLevel, dx: number, dy: number) {
+    const {size, bricks} = level
+    const newBricks = new Array(size * size).fill('_')
+    for (let x = 0; x < size; x++) {
+        for (let y = 0; y < size; y++) {
+            newBricks[y * size + x] = bricks.split('')[(y - dy) * size + (x - dx)] || '_'
+        }
+    }
+    return {
+        bricks: newBricks.join('')
+    }
+}
+
+export function setBrick(level: RawLevel, index: number, colorCode: string) {
+    let bricksString = level.bricks.slice(0, level.size * level.size)
+
+    if (bricksString.length < level.size * level.size) {
+        bricksString += '_'.repeat(level.size * level.size - bricksString.length)
+    }
+    const bricks = bricksString.split('')
+    bricks[index] = colorCode
+    return {bricks: bricks.join('')}
+}