allow custom orbit rotations directions

src/lib/ecs/system/MovementIntentSystem.cpp

@@ -9,6 +9,7 @@
 #include "EntityAdmin.h"
 #include "FacingComponent.h"
 #include "MovementIntentComponent.h"
+#include "OrbitMath.h"
 #include "PositionComponent.h"
 #include "tracing.h"
 
@@ -45,7 +46,19 @@ void MovementIntentSystem::tick(EntityAdmin& admin)
                 return;
             }
 
-            const QVector2D delta = intent.target - pos.value;
+            // Resolve the steering destination. For orbit intents, pick the orbit
+            // sense from the ship's current velocity (so ships circling the same
+            // target spread to both sides) and aim at a point on the orbit circle.
+            QVector2D destination = intent.target;
+            if (intent.orbitRadius_tiles > 0.0f)
+            {
+                const float sign = OrbitMath::resolveOrbitSign(pos.value, intent.target,
+                                                               body.velocity_tpt);
+                destination = OrbitMath::computeOrbitDestination(
+                    pos.value, intent.target, intent.orbitRadius_tiles, sign);
+            }
+
+            const QVector2D delta = destination - pos.value;
             const float dist = delta.length();
 
             if (dist < 0.001f)