Merge pull request #100977 from aaronp64/cpu_particles_scaling

Fix `CPUParticles2D` repeatedly scaling particles with 0 velocity and Align Y

Author: Repiteo

scene/2d/cpu_particles_2d.cpp

@@ -1097,10 +1097,11 @@ void CPUParticles2D::_particles_process(double p_delta) {
 
 		if (particle_flags[PARTICLE_FLAG_ALIGN_Y_TO_VELOCITY]) {
 			if (p.velocity.length() > 0.0) {
-				p.transform.columns[1] = p.velocity.normalized();
-				p.transform.columns[0] = p.transform.columns[1].orthogonal();
+				p.transform.columns[1] = p.velocity;
 			}
 
+			p.transform.columns[1] = p.transform.columns[1].normalized();
+			p.transform.columns[0] = p.transform.columns[1].orthogonal();
 		} else {
 			p.transform.columns[0] = Vector2(Math::cos(p.rotation), -Math::sin(p.rotation));
 			p.transform.columns[1] = Vector2(Math::sin(p.rotation), Math::cos(p.rotation));