From 12bc029db252c206acbee84cbb7049042f2e5fe5 Mon Sep 17 00:00:00 2001
From: Marcin Jerzak <jerzakm@gmail.com>
Date: Fri, 2 Feb 2024 21:11:04 +0100
Subject: [PATCH] sprite builder fix - 'frameSize'

---
 .changeset/dry-cups-burn.md                         | 5 +++++
 packages/instanced-sprite-mesh/src/spriteBuilder.ts | 8 ++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 .changeset/dry-cups-burn.md

diff --git a/.changeset/dry-cups-burn.md b/.changeset/dry-cups-burn.md
new file mode 100644
index 0000000..3b0597a
--- /dev/null
+++ b/.changeset/dry-cups-burn.md
@@ -0,0 +1,5 @@
+---
+"@threejs-kit/instanced-sprite-mesh": minor
+---
+
+sprite builder utility fix for 'frameSize' autoframing option
diff --git a/packages/instanced-sprite-mesh/src/spriteBuilder.ts b/packages/instanced-sprite-mesh/src/spriteBuilder.ts
index 429994c..389f9df 100644
--- a/packages/instanced-sprite-mesh/src/spriteBuilder.ts
+++ b/packages/instanced-sprite-mesh/src/spriteBuilder.ts
@@ -67,6 +67,14 @@ class SpriteBuilder {
       };
     }
 
+    if (config.type == "frameSize") {
+      animation["auto"] = {
+        type: "frameSize",
+        w: config.w,
+        h: config.h,
+      };
+    }
+
     this.animations.push(animation);
     return this;
   }