Add missing particles_2d macro bind

scene/2d/particles_2d.cpp

@@ -1077,13 +1077,18 @@ void Particles2D::_bind_methods() {
 	BIND_CONSTANT( PARAM_SPREAD );
 	BIND_CONSTANT( PARAM_LINEAR_VELOCITY );
 	BIND_CONSTANT( PARAM_SPIN_VELOCITY );
+	BIND_CONSTANT( PARAM_ORBIT_VELOCITY );
 	BIND_CONSTANT( PARAM_GRAVITY_DIRECTION );
 	BIND_CONSTANT( PARAM_GRAVITY_STRENGTH );
 	BIND_CONSTANT( PARAM_RADIAL_ACCEL );
 	BIND_CONSTANT( PARAM_TANGENTIAL_ACCEL );
+	BIND_CONSTANT( PARAM_DAMPING );
+	BIND_CONSTANT( PARAM_INITIAL_ANGLE );
 	BIND_CONSTANT( PARAM_INITIAL_SIZE );
 	BIND_CONSTANT( PARAM_FINAL_SIZE );
 	BIND_CONSTANT( PARAM_HUE_VARIATION );
+	BIND_CONSTANT( PARAM_ANIM_SPEED_SCALE );
+	BIND_CONSTANT( PARAM_ANIM_INITIAL_POS );
 	BIND_CONSTANT( PARAM_MAX );
 
 	BIND_CONSTANT( MAX_COLOR_PHASES );