Microsoft Game Developer (Staff Level) - Comprehensive Interview Preparation Guide
Microsoft's interview process for Staff-level Game Developers follows a structured, multi-stage framework designed to assess technical mastery in game systems architecture, performance optimization, collaborative leadership, and cultural alignment with Microsoft's growth mindset and customer obsession values. The process combines recruiter screening, phone-based technical assessments, and comprehensive onsite interviews with 6 rounds covering coding, game architecture, systems design, and behavioral evaluation.
Interview Rounds
Recruiter Screening
What to Expect
Initial conversation with a Microsoft recruiter to assess background, motivation, and basic qualifications. This is typically a 30-minute call conducted via phone or video. The recruiter will review your resume, discuss your game development experience, and explain the role and Microsoft's expectations for staff-level engineers. This is also your opportunity to ask logistical questions about the interview process, role, and team structure.
Tips & Advice
Have a clear, concise pitch about your game development career (30 seconds). Be ready to discuss specific games you've shipped, your technical specializations, and why you're interested in Microsoft specifically. Research Microsoft's gaming initiatives (Xbox Game Pass, cloud gaming, game publishing) and mention them naturally. Ask about the team you'd be joining, the current technical challenges they're facing, and how staff-level engineers contribute to decision-making. Be authentic and enthusiastic; recruiters assess cultural fit and communication.
Focus Topics
Questions About Team, Role, and Technical Challenges
Prepare thoughtful questions about the team structure, the specific game or platform, current technical challenges, and how staff-level engineers influence architecture decisions.
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Study Questions
Motivation for Microsoft and Gaming Industry
Articulate why you're interested in Microsoft, what aspects of their gaming vision align with your values, and what excites you about the opportunity.
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Career Narrative and Game Shipping Experience
Clearly articulate your trajectory in game development, highlighting shipped titles, your specific contributions, and how you've grown from previous roles into a staff-level mindset.
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Technical Specializations and Expertise Areas
Summarize your core technical strengths in game development (e.g., graphics systems, gameplay architecture, multiplayer systems, performance optimization) and how they align with the role.
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Technical Phone Screen 1 - Coding Fundamentals
What to Expect
A 60-minute phone-based technical interview focused on coding proficiency and problem-solving in C++ or C#. You'll be given a programming problem related to game logic, data structures, or algorithms and will code in a shared online editor (typically similar to LeetCode). The focus is on your approach to problem-solving, code clarity, and ability to reason through complexity. Problems are typically medium difficulty and may involve implementing core game mechanics logic, pathfinding, collision detection, or similar game-relevant scenarios.
Tips & Advice
Before coding, clarify the problem requirements and discuss your approach with the interviewer. Sketch your solution on a whiteboard or notebook first, then code it incrementally. Write clean, readable code with meaningful variable names. Test your logic with examples and discuss edge cases (empty inputs, negative numbers, large datasets, game-specific scenarios like zero velocity or disabled entities). Explain your time and space complexity trade-offs. If you get stuck, ask for hints and think out loud. Microsoft values candidates who approach problems methodically and communicate their reasoning. Practice LeetCode Medium problems with game-development contexts (e.g., implementing a simple AI pathfinding system, optimizing a collision detection algorithm).
Focus Topics
Time and Space Complexity Analysis
Ability to analyze algorithmic complexity, identify bottlenecks, and discuss trade-offs between different solutions.
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Code Quality and Communication
Writing readable, maintainable code with clear naming conventions; explaining your approach and reasoning to the interviewer in real-time.
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Core Algorithms and Data Structures in C++ or C#
Proficiency with fundamental algorithms (sorting, searching, graph traversal) and data structures (arrays, linked lists, hash maps, trees, heaps) as they apply to game logic and systems.
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Game Logic Problem Solving
Ability to translate game mechanics (movement, collision, state management, entity behavior) into efficient algorithmic solutions.
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Technical Phone Screen 2 - Game Architecture and Systems Design
What to Expect
A 60-minute phone interview focused on game architecture, systems design, and technical decision-making. You'll discuss how you would design or refactor a core game system (e.g., entity component system, animation system, gameplay state manager, multiplayer synchronization). This is less about coding and more about architectural thinking, trade-offs, scalability, and collaboration. You may be asked to sketch designs verbally or on a whiteboard, discuss technology choices, explain how you'd handle performance constraints, and justify decisions.
Tips & Advice
Start by clarifying the scope and constraints of the system (scale, platforms, performance budgets, team size). Ask questions about user needs and hardware limitations. Sketch the architecture verbally or describe it clearly. Discuss design patterns relevant to games (entity component system, object pooling, spatial partitioning). Explain why you chose each pattern and what trade-offs you're accepting. Talk about performance considerations specific to the target platform (mobile, console, PC, web). Discuss how your design scales as the game grows in complexity. For staff level, interviewers expect you to think about long-term maintainability, team collaboration, and how to evolve the system over time. Mention examples from games you've shipped or industry-standard approaches (e.g., Unreal's Blueprint system, Unity's prefab system).
Focus Topics
Multiplayer and Networking Considerations
Designing systems to handle networked gameplay, synchronization, latency compensation, and server-client architecture.
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Scalability and Long-term Maintainability
Designing systems that can scale as features are added, support team expansion, and remain maintainable over years of development.
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Entity-Component-System (ECS) Architecture
Understanding and designing systems using ECS or similar data-driven architecture patterns common in modern game engines.
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Gameplay Systems Design
Designing core game systems (state management, input handling, behavior trees, AI decision-making, animation systems) with consideration for scalability, performance, and code reusability.
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Performance Optimization Trade-offs
Understanding hardware constraints, memory budgets, CPU/GPU utilization, and making informed decisions about optimization priorities for different platforms.
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Onsite Round 1 - Game Engine Deep Dive and Advanced Coding
What to Expect
A 90-minute onsite technical interview combining advanced coding challenges with deep game engine knowledge. You'll solve a complex coding problem in C++ or C# that requires understanding game engine concepts (rendering pipelines, resource management, scripting systems, or shader concepts). The problem may involve implementing a game system component or optimizing engine-level code. You'll code in a real IDE with full compiler feedback. The interviewer assesses your depth of game engine knowledge, coding skills at scale, and ability to work with real-world constraints.
Tips & Advice
This round is conducted onsite with more realistic coding conditions. You have access to a proper IDE, compiler, and debugging tools. Use these advantages: compile frequently, debug systematically, and write tests. Ask clarifying questions about the problem and any game engine specifics. Discuss your approach before diving into code. Write modular, testable code. Optimize based on the constraints mentioned (memory limits, frame time budgets, asset counts). For a staff-level candidate, interviewers expect you to think about how this code fits into the larger engine architecture, how it would perform at scale, and how other systems would depend on it. If you encounter a challenging part, break it into smaller functions and test each piece. Communicate throughout; silence suggests you're stuck or not thinking clearly.
Focus Topics
Scripting Systems and Gameplay Scripting
Understanding how game engines expose scripting interfaces for gameplay programmers and designers; optimizing the bridge between compiled engine code and runtime scripts.
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Resource Management and Asset Streaming
Designing systems to load, manage, and stream game assets (textures, models, audio) efficiently, especially for memory-constrained platforms.
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Profiling, Debugging, and Performance Analysis
Using profiling tools to identify bottlenecks, debugging complex issues in game systems, and iteratively optimizing code based on real performance data.
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Rendering Pipeline and Graphics Concepts
Understanding how graphics are rendered in game engines: draw calls, rendering passes, shader binding, depth sorting, and GPU memory management.
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Advanced C++ or C# Game Development Patterns
Mastery of language-specific patterns used in game development: memory management (smart pointers in C++), object pooling, template metaprogramming, reflection, and design patterns optimized for games.
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Onsite Round 2 - Graphics and Performance Optimization
What to Expect
A 75-minute technical interview focused on graphics programming, visual systems optimization, and performance on diverse hardware. This round may include discussion of shader programming, rendering optimization techniques, visual effects systems, animation systems, or performance profiling on console and mobile platforms. You might solve a problem related to optimizing a visual feature, implementing a graphics system, or diagnosing a performance issue. The interviewer assesses your understanding of the graphics pipeline, optimization techniques, and ability to balance visual quality with performance.
Tips & Advice
Be prepared to discuss shader writing (HLSL, GLSL, or engine-specific shading languages), render passes, LOD (level of detail) systems, and batching optimization. If asked to solve a graphics problem, think about the visual quality target and the hardware constraints. Discuss trade-offs (e.g., using more expensive shaders vs. more draw calls). Explain how you would profile and measure the impact of optimizations. Talk about platform-specific considerations (console hardware strengths, mobile GPU limitations, PC scalability). For staff level, discuss how you've led graphics optimization initiatives, mentored graphics programmers, and influenced architectural decisions around visual systems. If you have experience with game engines' graphics systems (Unreal's Nanite, DLSS, or Unity's rendering architecture), mention it contextually.
Focus Topics
Animation Systems and Skeletal Deformation
Understanding how skeletal animation systems work, GPU vs. CPU skinning trade-offs, and optimizing character animation systems for scale.
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Visual Effects and Particle Systems
Designing efficient VFX and particle systems, GPU simulation, and balancing visual impact with performance budgets.
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Platform-Specific Optimization (Console, Mobile, PC, Web)
Understanding unique constraints and strengths of different platforms and optimizing accordingly (e.g., mobile GPU limitations, console CPU power, web browser constraints).
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Performance Profiling and Diagnostics on Console and Mobile
Using profiling tools specific to platforms (console dev kits, mobile profilers, GPU profilers) to identify bottlenecks and validate optimizations.
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Rendering Optimization Techniques
Mastery of optimization strategies: draw call batching, instancing, LOD systems, culling (frustum, occlusion), texture atlasing, and deferred rendering.
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Shader Programming and GPU Concepts
Proficiency in writing efficient shaders (vertex, pixel, compute shaders), understanding GPU architecture, and optimizing for GPU-bound scenarios.
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Onsite Round 3 - Game Systems Design and Architecture
What to Expect
A 75-minute onsite interview focused on designing complex game systems at an architectural level. You'll be given a game design challenge (e.g., 'Design a loot system for an RPG,' 'Design matchmaking for a competitive multiplayer game,' 'Design a progression system for a live-service game') and asked to think through the complete system. The interviewer expects you to ask clarifying questions, propose an architecture, discuss scalability, consider player psychology and retention, and think about how the system evolves over time. This round assesses your ability to translate game design requirements into technical architecture and your strategic thinking about game systems.
Tips & Advice
Start by asking clarifying questions: What game genre? How many players? What's the retention goal? Sketch your architecture (you can use a whiteboard). Discuss key components: data models, server/client logic, persistence, balancing, and long-term maintenance. Talk about scalability: how the system handles growth in player count or game content. For staff level, discuss how you'd architect this for a live-service model, how you'd monitor and iterate based on telemetry, and how you'd mentor your team on the design. Mention examples from games you know well (Fortnite's battle pass, Diablo's loot system, League of Legends' matchmaking). Discuss edge cases: how do you prevent exploits? How do you handle cheating? How do you balance for different skill levels? Think about the player experience and how the system encourages engagement.
Focus Topics
Scalability and Cloud Infrastructure Considerations
Designing systems that scale from thousands to millions of concurrent players, understanding cloud infrastructure, and optimizing for cost and performance.
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Gameplay Balancing and Economy Design
Understanding how to balance game mechanics and economies to maintain player engagement and prevent exploits, using data-driven iteration.
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Live-Service and Retention Mechanics
Understanding systems that drive player engagement and retention in live-service games (battle passes, seasonal content, progression, rewards, social features).
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Multiplayer Game Systems (Matchmaking, Ranking, Synchronization)
Designing matchmaking algorithms, ranking systems, and network synchronization for multiplayer games to ensure fair, low-latency gameplay.
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Telemetry, Analytics, and Data-Driven Design
Using player telemetry and analytics to validate design decisions, identify issues, and iterate on game systems based on real player behavior.
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Game Systems Architecture and Design Patterns
Ability to architect large game systems (progression, economy, matchmaking, social systems) using appropriate design patterns and considering scalability.
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Onsite Round 4 - Gameplay Mechanics and Technical Design
What to Expect
A 60-minute onsite interview focused on gameplay mechanics implementation, technical design of game features, and collaboration between engineering and design. You'll be presented with a gameplay mechanic (e.g., 'Implement a cover system for a third-person shooter,' 'Design a spell casting system with cooldowns and interactions,' 'Implement a physics-based movement system') and asked to think through the implementation. You may code a simplified version or discuss the architecture at a high level. The interviewer assesses how you translate designer intent into robust technical implementations, handle edge cases, and balance gameplay feel with technical constraints.
Tips & Advice
Ask questions about the desired feel and behavior of the mechanic. Discuss how the mechanic interacts with other systems (animation, physics, input, network replication). If coding, implement a simplified version; focus on core logic and edge cases. Discuss how you'd test and iterate on the mechanic with designers. Talk about how you've collaborated with game designers in the past and how you've balanced technical constraints with design goals. For staff level, discuss how you'd architect systems that make it easy for designers to iterate and create content. Mention tools or frameworks you've built to empower non-programmers. Think about edge cases: what happens if inputs occur simultaneously? How do you handle server/client disagreement in multiplayer?
Focus Topics
Designer-Friendly Tools and Content Creation Systems
Building tools, frameworks, or scripting systems that empower non-programmers (designers, content creators) to iterate on gameplay without code.
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State Management and Gameplay Logic
Designing robust state machines and logic systems for complex gameplay scenarios, handling edge cases, and maintaining predictable behavior.
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Input Handling and Player Feedback Systems
Architecting responsive input systems, implementing feedback (haptic, audio, visual) to make mechanics feel good, and handling complex input scenarios.
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Physics Simulation and Interactions
Understanding game physics engines (rigid body dynamics, raycast, character controllers), implementing physics-based gameplay, and optimizing physics performance.
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Gameplay Mechanic Implementation and Rapid Iteration
Ability to translate design concepts into playable mechanics efficiently, support rapid iteration with designers, and maintain code quality under time pressure.
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Onsite Round 5 - Behavioral and Microsoft Values Alignment
What to Expect
A 60-minute onsite interview focused on behavioral competencies, leadership, and alignment with Microsoft's core values (Growth Mindset, Customer Obsession, respect, integrity, accountability). The interviewer will ask open-ended questions about your experience leading technical initiatives, mentoring team members, handling conflicts, learning from failure, and collaborating across disciplines. This round is conversational but structured; the interviewer is assessing your maturity, self-awareness, and cultural fit for a staff-level role at Microsoft.
Tips & Advice
Use the STAR method (Situation, Task, Action, Result) for all behavioral questions, but keep stories concise and focused on your personal contribution. Prepare 5-7 strong examples from your career: a time you led a technical decision with high impact, a time you mentored someone, a conflict you resolved, a failure you learned from, a time you prioritized user/customer needs, and a time you demonstrated growth by learning something new. For staff level, emphasize scale: how many people did you influence? How much impact did the project have? Focus on examples where you drove change, not just executed tasks. Discuss Microsoft's values explicitly: mention a time you demonstrated growth mindset (embraced a new technology, learned from feedback), customer obsession (prioritized player needs), and accountability (took ownership of a problem). Be genuine and reflect on what you learned. Avoid canned answers; interviewers can tell.
Focus Topics
Integrity, Accountability, and Handling Difficult Situations
Examples of taking responsibility for mistakes, being honest about challenges, and handling conflicts with colleagues constructively.
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Cross-Functional Collaboration
Ability to work effectively with designers, artists, audio engineers, producers, and other disciplines; communicating technical concepts to non-engineers.
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Customer/Player Obsession and Impact-Driven Mindset
Stories demonstrating you prioritize player needs, measure success by player impact, and iterate based on player feedback.
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Growth Mindset and Continuous Learning
Examples of seeking feedback, learning from failure, adapting to new technologies, and embracing challenges as opportunities to grow.
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Technical Leadership and Project Ownership
Demonstrating experience leading significant technical projects, making architecture decisions that impacted the game or platform, and driving projects to completion.
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Mentorship and Team Development
Evidence of mentoring junior engineers, helping them grow, and building a strong team culture around learning and collaboration.
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Onsite Round 6 - Hiring Manager Round
What to Expect
A 60-minute final onsite interview with the hiring manager (typically a senior engineer or technical lead). This is a more conversational round where the hiring manager assesses overall fit, discusses the role's context and expectations, and helps you understand the team and opportunity. You'll discuss your background, career goals, what you're looking for in a role, and how you see yourself contributing to the team and Microsoft's gaming vision. The hiring manager is evaluating whether you're the right person for the role and whether Microsoft is the right place for you.
Tips & Advice
This is your final chance to make an impression and to gather critical information. Be authentic and curious. Ask about the team's current challenges, the hiring manager's leadership philosophy, and what success looks like in the first year. Discuss your long-term career vision and how you see yourself growing at Microsoft. Talk about specific projects or games you admire and why. Share concrete examples of your impact: shipped games, technical decisions that improved performance or quality, or team members you've mentored. Discuss what excites you about the opportunity and what you're looking for in your next role. Don't be afraid to discuss career goals; hiring managers want to know you're invested in growing with the company. Ask about work-life balance, career development opportunities, and how staff-level engineers influence strategy.
Focus Topics
Questions About Team, Culture, and Growth Opportunities
Thoughtful questions about the team structure, technical challenges, mentorship opportunities, and how staff-level engineers contribute to strategy.
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Authenticity and Cultural Fit
Being genuine, discussing your values and work philosophy, and assessing whether Microsoft's culture and values align with yours.
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Specific Impact and Shipped Titles
Concrete examples of games you've shipped, technical contributions you're proud of, and measurable impact (millions of players, critical acclaim, technical innovations).
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Alignment with Role Expectations and Microsoft Gaming Vision
Understanding the specific role's scope, the team's challenges, and how your expertise aligns with Microsoft's gaming strategy (Game Pass, cloud gaming, cross-platform).
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Career Narrative and Long-Term Vision
Articulating your career journey, the impact you've had, and your vision for the next phase of your career, including how it aligns with Microsoft.
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Frequently Asked Game Developer Interview Questions
Sample Answer
#include <vector>
#include <memory>
#include <algorithm>
struct AABB { float x,y,w,h; bool intersects(const AABB& o) const {
return x < o.x+o.w && o.x < x+w && y < o.y+o.h && o.y < y+h; }
bool contains(const AABB& o) const {
return x <= o.x && y <= o.y && x+w >= o.x+o.w && y+h >= o.y+o.h; } };
struct Item { int id; AABB box; };
struct Quad {
AABB bounds; // tight bounds
AABB loose; // expanded by factor
int depth;
std::vector<Item> items;
std::unique_ptr<Quad> children[4];
int maxObjects, maxDepth;
Quad(const AABB& b,int d,int mo,int md,float looseFactor)
: bounds(b), depth(d), maxObjects(mo), maxDepth(md) {
float padW = b.w*(looseFactor-1.0f)/2.0f;
float padH = b.h*(looseFactor-1.0f)/2.0f;
loose = {b.x - padW, b.y - padH, b.w + 2*padW, b.h + 2*padH};
}
int childIndexFor(const AABB& a) {
float cx = bounds.x + bounds.w*0.5f, cy = bounds.y + bounds.h*0.5f;
bool left = a.x + a.w <= cx;
bool right = a.x >= cx;
bool top = a.y + a.h <= cy;
bool bottom = a.y >= cy;
if ( (left || right) && (top || bottom) ) {
if (left && top) return 0;
if (right && top) return 1;
if (left && bottom) return 2;
return 3;
}
return -1;
}
void split(float looseFactor){
if(children[0]) return;
float hw = bounds.w*0.5f, hh = bounds.h*0.5f;
for(int i=0;i<4;i++){
AABB b;
if(i==0) b = {bounds.x, bounds.y, hw, hh};
if(i==1) b = {bounds.x+hw, bounds.y, hw, hh};
if(i==2) b = {bounds.x, bounds.y+hh, hw, hh};
if(i==3) b = {bounds.x+hw, bounds.y+hh, hw, hh};
children[i] = std::make_unique<Quad>(b, depth+1, maxObjects, maxDepth, looseFactor);
}
// try to redistribute
auto old = std::move(items);
items.clear();
for(auto &it : old) insert(it);
}
void insert(const Item& it, float looseFactor=1.5f){
int idx = childIndexFor(it.box);
if(idx != -1 && children[0]){
// child exists
if(children[idx]->loose.contains(it.box)){
children[idx]->insert(it, looseFactor); return;
}
}
// if we can go deeper but children don't exist, try splitting
items.push_back(it);
if((int)items.size() > maxObjects && depth < maxDepth){
split(looseFactor);
}
}
bool remove(int id, const AABB& box){
auto it = std::find_if(items.begin(), items.end(), [&](const Item& i){ return i.id==id; });
if(it!=items.end()){ items.erase(it); return true; }
int idx = childIndexFor(box);
if(idx!=-1 && children[0]) return children[idx]->remove(id, box);
return false;
}
void query(const AABB& q, std::vector<int>& out){
if(!loose.intersects(q)) return;
for(auto &it: items) if(it.box.intersects(q)) out.push_back(it.id);
if(children[0]) for(int i=0;i<4;i++) children[i]->query(q,out);
}
};Sample Answer
// Simple bullet pool
public class BulletPool : MonoBehaviour {
public GameObject prefab;
Queue<GameObject> pool = new Queue<GameObject>();
public GameObject Get() {
if(pool.Count==0) pool.Enqueue(Instantiate(prefab));
var obj = pool.Dequeue();
obj.SetActive(true);
return obj;
}
public void Return(GameObject obj) {
obj.SetActive(false);
pool.Enqueue(obj);
}
}Sample Answer
Sample Answer
Sample Answer
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// Publisher
public class PlayerHealth {
public event Action<int> OnHealthChanged;
public void TakeDamage(int d) {
health -= d;
OnHealthChanged?.Invoke(health);
}
}
// Subscriber
public class HealthUI : MonoBehaviour {
public PlayerHealth player;
void OnEnable() => player.OnHealthChanged += UpdateUI;
void OnDisable() => player.OnHealthChanged -= UpdateUI;
void UpdateUI(int hp) { /* update HUD */ }
}Sample Answer
Sample Answer
Sample Answer
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