Merge pull request #70163 from clayjohn/particles-sdf

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

1 files changed, 9 insertions, 0 deletions

diff --git a/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp b/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
index 8b1ff0a72a..9eac2c3b85 100644
--- a/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
+++ b/servers/rendering/renderer_rd/storage_rd/particles_storage.cpp
@@ -810,6 +810,15 @@ 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];