Merge pull request #84575 from rsburke4/fix-cpu-tangent-force

Fix `CPUParticles2D` tangential force does not match `GPUParticles2D`
godotengine · Dec 19, 2023 · 5d9dce4 · 5d9dce4
2 parents 8a9aa30 + 7637723
commit 5d9dce4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp
@@ -881,7 +881,7 @@ void CPUParticles2D::_particles_process(double p_delta) {
  force += diff.length() > 0.0 ? diff.normalized() * (tex_radial_accel)*Math::lerp(parameters_min[PARAM_RADIAL_ACCEL], parameters_max[PARAM_RADIAL_ACCEL], rand_from_seed(alt_seed)) : Vector2();
  //apply tangential acceleration;
  Vector2 yx = Vector2(diff.y, diff.x);
- force += yx.length() > 0.0 ? yx.normalized() * (tex_tangential_accel * Math::lerp(parameters_min[PARAM_TANGENTIAL_ACCEL], parameters_max[PARAM_TANGENTIAL_ACCEL], rand_from_seed(alt_seed))) : Vector2();
+ force += yx.length() > 0.0 ? (yx * Vector2(-1.0, 1.0)).normalized() * (tex_tangential_accel * Math::lerp(parameters_min[PARAM_TANGENTIAL_ACCEL], parameters_max[PARAM_TANGENTIAL_ACCEL], rand_from_seed(alt_seed))) : Vector2();
  //apply attractor forces
  p.velocity += force * local_delta;
  //orbit velocity