avm2: Reset matrix when .matrix3D = null is set

.matrix = A, .matrix = null, then .matrix3D has the info of the matrix A. .matrix3D = A, .matrix3D = null, then .matrix is reset to the identity.
ruffle-rs · Dec 28, 2024 · f17cb03 · f17cb03
1 parent 1b6802d
commit f17cb03
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/core/src/avm2/globals/flash/geom/transform.rs b/core/src/avm2/globals/flash/geom/transform.rs
@@ -363,6 +363,7 @@ pub fn set_matrix_3d<'gc>(
         display_object
             .base_mut(activation.gc())
             .set_has_matrix3d_stub(false);
+        display_object.set_matrix(activation.gc(), Matrix::IDENTITY);
         return Ok(Value::Undefined);
     };