moved gettingSnapshot logic into TexturesHelper

front/src/Phaser/Helpers/TexturesHelper.ts

@@ -0,0 +1,34 @@
+export class TexturesHelper {
+    public static async getSnapshot(
+        scene: Phaser.Scene,
+        ...sprites: { sprite: Phaser.GameObjects.Sprite; frame?: string | number }[]
+    ): Promise<string> {
+        const rt = scene.make.renderTexture({}, false);
+        try {
+            for (const { sprite, frame } of sprites) {
+                if (frame) {
+                    sprite.setFrame(frame);
+                }
+                rt.draw(sprite, sprite.displayWidth * 0.5, sprite.displayHeight * 0.5);
+            }
+            return new Promise<string>((resolve, reject) => {
+                try {
+                    rt.snapshot(
+                        (url) => {
+                            resolve((url as HTMLImageElement).src);
+                            rt.destroy();
+                        },
+                        "image/png",
+                        1
+                    );
+                } catch (error) {
+                    rt.destroy();
+                    reject(error);
+                }
+            });
+        } catch (error) {
+            rt.destroy();
+            throw new Error("Could not get the snapshot");
+        }
+    }
+}