Set up basic 2D rendering with camera system

Objective

Create the client-side rendering engine with camera controls for displaying the game world and entities.

Requirements

• 2D Rendering: Efficient 2D graphics rendering for game entities ✅
• Camera System: Moveable camera with zoom and pan controls ⚠️ (Partial)
• Performance: Target 60fps rendering with smooth animations ✅
• Responsive: Adapts to different screen sizes and resolutions ✅

Technical Details

• Set up 2D rendering context (Canvas/WebGL) ✅
• Implement camera transformation matrices ⚠️ (Basic implementation)
• Create viewport management for different screen sizes ✅
• Add input handling for camera movement (WASD, mouse) ❌ (Not implemented)
• Implement zoom controls with limits ❌ (Not implemented)
• Optimize rendering pipeline for performance ✅

Acceptance Criteria

• 2D rendering system displays game entities
• Camera can be moved with keyboard/mouse
• Zoom in/out works smoothly
• Rendering maintains 60fps with entities on screen
• System adapts to different screen resolutions

Implementation Status - PARTIALLY COMPLETED ⚠️

Recent Updates (2025-07-02):

• ✅ Pixi.js Integration: Complete 2D rendering setup with WebGL/Canvas fallback
• ✅ Game Initialization: Pixi.js application initialized when "Start Game" is clicked
• ✅ Demo Scene: Basic scene with background, text, and animated elements
• ✅ Responsive Design: Automatic window resize handling
• ✅ 60fps Rendering: Pixi.js ticker running at target framerate
• ⚠️ Camera System: Basic camera available but no movement controls yet
• ❌ Input Handling: Camera movement controls not implemented yet

Technical Implementation:

• index.ts: Pixi.js application setup with demo scene
• GameInitializer.ts: Game startup flow with renderer initialization
• ConnectionScreen.ts: Full-screen overlay system for connection states
• Demo scene with animated elements showing rendering capabilities

Next Steps:

• Implement camera movement controls (WASD/mouse)
• Add zoom in/out functionality with limits
• Create proper camera transformation system
• Add input handling for camera manipulation

Milestone Relation

🟡 PARTIALLY COMPLETE - Core client infrastructure for MVP. Basic rendering established, camera controls still needed for full game world interaction.