Transform sdf xfrom by particle emission transform when particles are in global space

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gles3/storage/particles_storage.cpp b/drivers/gles3/storage/particles_storage.cpp
index 1a0d97df01..25a5d92f1f 100644
--- a/drivers/gles3/storage/particles_storage.cpp
+++ b/drivers/gles3/storage/particles_storage.cpp
@@ -528,6 +528,15 @@ void ParticlesStorage::_particles_process(Particles *p_particles, double p_delta
 			//2D collision
 
 			Transform2D xform = p_particles->sdf_collision_transform; //will use dotproduct manually so invert beforehand
+
+			if (!p_particles->use_local_coords) {
+				Transform2D emission;
+				emission.columns[0] = Vector2(p_particles->emission_transform.basis.get_column(0).x, p_particles->emission_transform.basis.get_column(0).y);
+				emission.columns[1] = Vector2(p_particles->emission_transform.basis.get_column(1).x, p_particles->emission_transform.basis.get_column(1).y);
+				emission.set_origin(Vector2(p_particles->emission_transform.origin.x, p_particles->emission_transform.origin.y));
+				xform = xform * emission.affine_inverse();
+			}
+
 			Transform2D revert = xform.affine_inverse();
 			frame_params.collider_count = 1;
 			frame_params.colliders[0].transform[0] = xform.columns[0][0];