Vector2 WorldToRadar(Vector3 localPos, Vector3 targetPos, float localYaw, float radarRadius, float zoomScale) {
    float dx = targetPos.x - localPos.x;
    float dy = targetPos.y - localPos.y;
    
    // Rotate relative to local player camera yaw
    float rad = -localYaw * (3.14159265f / 180.0f);
    float rotX = dx * cos(rad) - dy * sin(rad);
    float rotY = dx * sin(rad) + dy * cos(rad);
    
    rotX *= zoomScale; rotY *= zoomScale;
    // Clamp to radar radius circle
    float dist = sqrt(rotX * rotX + rotY * rotY);
    if (dist > radarRadius) {
        rotX = (rotX / dist) * radarRadius;
        rotY = (rotY / dist) * radarRadius;
    }
    return { rotX, rotY };
}