Computer Graphics Projects

Course Information

• Course: Computer Graphics
• Professor: Jules Bloomenthal (MSCS, Seattle University)
• Textbook: "Computer Graphics: Implementation and Explanation" by J.Bloomenthal

Technical Stack

• Graphics API: OpenGL 4.0+
• Shading Language: GLSL 400+
• Programming Language: C++17

Setup Instructions

Prerequisites

• OpenGL 4.0 or higher
• C++17 compatible compiler
• CMake 3.10 or higher

Building the Projects

1. Clone the repository
2. Navigate to the specific assignment directory
3. Run CMake to generate build files
4. Build using your preferred compiler

Project Structure

• Assets/ - Contains textures, models, and output GIFs
• 1_Rotate2dLetter/ - 2D letter rotation implementation
• 2_Shade3dLetter/ - 3D letter with shading
• 3_Texture3dLetter/ - Texture mapping on 3D letter
• 4_SmoothMesh/ - Mesh smoothing and texture mapping
• 5_BumpyMesh/ - Bump mapping implementation
• 6_Hierarchy/ - Hierarchical modeling
• 7_BezierCurve/ - 3D Bezier curve implementation
• 8_Tessellation/ - Shape interpolation using tessellation
• 9_Animation/ - Flight path animation

Assignments

Common Controls

• Camera Movement: WASD keys
• Rotation: Arrow keys
• Zoom: Mouse scroll wheel

1. 2D Letter Rotation

Objective: Create and rotate a 2D letter using vertex coordinates and colors

• Implementation of basic vertex manipulation
• RGB color interpolation
• Basic transformation matrices
• Controls: Use arrow keys to rotate

2. 3D Letter with Camera

Objective: Transform 2D letter into 3D with camera controls

• Implementation of perspective projection
• Basic Phong shading
• Camera movement system
• Controls: WASD for movement, arrow keys for rotation, scroll for zoom

3. Textured 3D Letter

Objective: Add texture mapping and advanced lighting

• UV coordinate mapping
• Multiple light source implementation
• Texture sampling in GLSL
• Controls: Standard camera controls, L key to toggle lights

4. Smooth-Shaded Mesh

Objective: Implement mesh loading and smooth shading

• OBJ file loading and parsing
• Normal calculation and smoothing
• Texture coordinate mapping
• Controls: Standard camera controls

5. Bump Mapping

Objective: Implement bump mapping on a 3D mesh

• Normal map generation and usage
• Tangent space calculations
• Advanced lighting interactions
• Controls: Standard camera controls, B key to toggle bump mapping

6. Hierarchical Modeling

Objective: Create hierarchical relationships between objects

• Scene graph implementation
• Parent-child transformations
• Joint manipulation
• Controls: Number keys (1-9) to select different parts, arrow keys to manipulate

7. Bezier Curves

Objective: Implement 3D Bezier curve system

• Cubic Bezier curve mathematics
• Control point manipulation
• Curve interpolation
• Controls: Click and drag control points, spacebar to add points

8. Tessellation Shading

Objective: Implement shape morphing using tessellation

• Tessellation shader programming
• Shape interpolation
• Dynamic level of detail
• Controls: Use T/G to increase/decrease tessellation level

9. Flight Animation

Objective: Create complex animation with multiple moving parts

• Path following algorithm
• Multiple object animation
• Time-based movement
• Controls: Space to play/pause, R to reset animation