Missile Exhaust Cutoff Point

The change_engine_power() function in the missile root node hides the entire engine exhausts when the power is set to 0.

scenes/entities/missile.gd

@@ -3,17 +3,24 @@ extends Spatial
 
 onready var exhaust_node = $Exhaust;
 
-var exhausts = ["Exhaust", "Exhaust2", "Exhaust3", "Exhaust4"]
-
 func change_engine_power(power):
 	var MAX_POWER = 10;
+	var exhausts = ["Exhaust", "Exhaust2", "Exhaust3", "Exhaust4"];
 	print("Changing missile exhaust to: ", power);
+	
 	for e in exhausts:
 		var node: MeshInstance = exhaust_node.get_node("./"+e);
 		node.get_active_material(0).set_shader_param("power", clamp(power, .0, MAX_POWER));
 		
+		var particle_node: Particles = node.get_node("./Particles");
 		
+		if power < 2.0:
+			if power == 0.0:
+				node.set_visible(false);
+			particle_node.set_emitting(false);
+		else:
+			node.set_visible(true);
+			particle_node.set_emitting(true);
 
 func _ready():
-	pass;
+	change_engine_power(0.0);
-	#change_engine_power(10);

scenes/entities/missile.tscn

@@ -83,8 +83,9 @@ transform = Transform( 1, 0, 0, 0, -4.37114e-08, -1, 0, 1, -4.37114e-08, 0.5, 0.
 mesh = SubResource( 9 )
 
 [node name="Particles" type="Particles" parent="Exhaust/Exhaust" index="0"]
-visible = false
+transform = Transform( 1, 0, 0, 0, -1, 8.74228e-08, 0, -8.74228e-08, -1, 0, 0, 0 )
 cast_shadow = 0
+emitting = false
 amount = 50
 lifetime = 3.0
 visibility_aabb = AABB( nan, 0.05694, -7.38708, 0.867362, 0.904675, 14.7742 )
@@ -97,8 +98,9 @@ mesh = SubResource( 9 )
 skeleton = NodePath("../Exhaust")
 
 [node name="Particles" type="Particles" parent="Exhaust/Exhaust2" index="0"]
-visible = false
+transform = Transform( 1, 0, 0, 0, -1, 8.74228e-08, 0, -8.74228e-08, -1, 0, 0, 0 )
 cast_shadow = 0
+emitting = false
 amount = 50
 lifetime = 3.0
 visibility_aabb = AABB( nan, 0.05694, -7.38708, 0.867362, 0.904675, 14.7742 )
@@ -112,8 +114,8 @@ skeleton = NodePath("../Exhaust2")
 
 [node name="Particles" type="Particles" parent="Exhaust/Exhaust3" index="0"]
 transform = Transform( 1, 0, 0, 0, -1, 8.74228e-08, 0, -8.74228e-08, -1, 0, 0, 0 )
-visible = false
 cast_shadow = 0
+emitting = false
 amount = 50
 lifetime = 3.0
 visibility_aabb = AABB( nan, 0.05694, -7.38708, 0.867362, 0.904675, 14.7742 )
@@ -127,8 +129,8 @@ skeleton = NodePath(".")
 
 [node name="Particles" type="Particles" parent="Exhaust/Exhaust4" index="0"]
 transform = Transform( 1, 0, 0, 0, -1, 8.74228e-08, 0, -8.74228e-08, -1, 0, 0, 0 )
-visible = false
 cast_shadow = 0
+emitting = false
 amount = 50
 lifetime = 3.0
 visibility_aabb = AABB( nan, 0.05694, -7.38708, 0.867362, 0.904675, 14.7742 )

scenes/space.tscn

@@ -33,7 +33,7 @@ script = ExtResource( 3 )
 mesh = SubResource( 3 )
 
 [node name="missile" parent="entities" instance=ExtResource( 4 )]
-transform = Transform( -0.446495, 0, -0.894786, 0, 1, 0, 0.894786, 0, -0.446495, -7.21845, 8.26498, -24.0157 )
+transform = Transform( 0.860022, 0, -0.510258, 0, 1, 0, 0.510258, 0, 0.860022, -2.93378, 8.26498, -11.9562 )
 
 [node name="lighting" type="Node" parent="."]