Three.js and 3D Graphics Programming

  1. User Interaction and Input Handling
    1. Event System
      1. DOM Event Integration
        1. Mouse Events
          1. Touch Events
            1. Keyboard Events
              1. Wheel Events
              2. Event Coordinate Transformation
                1. Screen to NDC Conversion
                  1. NDC to World Coordinates
                    1. Viewport Considerations
                  2. Raycasting System
                    1. Raycaster Class
                      1. Ray Definition
                        1. Intersection Testing
                          1. Distance Calculations
                          2. Object Intersection
                            1. Mesh Intersection
                              1. Geometry-level Testing
                                1. Bounding Box Optimization
                                2. Intersection Results
                                  1. Hit Point Calculation
                                    1. Normal Vector Extraction
                                      1. UV Coordinate Mapping
                                    2. Interactive Object Management
                                      1. Object Selection
                                        1. Highlighting Systems
                                          1. Selection State Management
                                            1. Multi-selection Handling
                                            2. Drag and Drop
                                              1. Object Manipulation
                                                1. Constraint Systems
                                                  1. Snap-to-Grid Functionality
                                                  2. Hover Effects
                                                    1. Material Swapping
                                                      1. Animation Triggers
                                                        1. Cursor Management

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                                                    8. Animation and Time-based Systems

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                                                    10. Advanced Rendering Techniques