Hello, Iโm Changyong ๐ฑโ๐
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Undergrad School Projects
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Undergrad School Projects
๊ฐค๋ฌ๋ฆฌ ๋ณด๊ธฐ
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What I Built
Implemented various real-time physics simulations using
OpenGL
and
Unity 3D
, focusing on deformable bodies and cloth-like behavior using the
Mass-Spring System
.
Key Projects
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Cloth Simulation
โข
Sphere Deformation
โข
Spring-Mass System
Physics Simulation using Mass-Spring System & Deformation
What I Built
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Implemented
natural cubic spline
and
B-spline curve
algorithms from scratch for smooth curve interpolation and modeling.
โข
Developed an interactive system for
curve construction
, supporting
user-defined control points
and real-time visualization.
โข
Explored properties of different spline types such as
continuity (Cยน, Cยฒ)
,
local control
, and
smoothness
.
โข
Compared spline types through visual and mathematical analysis to understand their behavior and suitability in animation or modeling tasks.
Results:
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Natural Spline
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B-Spline
Curve Implementation
Overview
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Developed multiple graphics demos using
OpenGL
, demonstrating object transformation, lighting, and rendering techniques with various mathematical frameworks.
Core Features
โข
Object Transformation & Illumination
โข
Ray Tracing
OpenGL
Project Overview
Designed and implemented core gameplay elements in Unity 3D, including
character motion
,
particle effects
, and
enemy AI behaviors
.
Key Features
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Character Motion
โข
Particle Effects
โข
Raid Monster AI (Raid Hunter)
Unity 3D Game Development: Motion & Particle FX Design
Project Overview
Designed a fully immersive VR gameplay experience using
Unreal Engine 4
, focusing on
monster pattern design
,
level/map layout
, and
player-environment interaction
in a virtual space.
Key Features
โข
Monster Pattern Design
โข
Map / Level Design
โข
VR Mechanics
VR Game Design using Unreal Engine 4
Mission
Clear all dots within the time limit by strategically connecting same-colored dots.
What I Built
โข
Developed a
real-time puzzle game
inspired by
Two Dots
, where the objective is to reduce all remaining dots to zero.
โข
Implemented core gameplay mechanics:
dot matching
,
chain elimination
,
combo detection
, and
time-based challenge system
.
โข
Designed intuitive
UI and grid system
for visualizing dot connections using a custom rendering loop.
โข
Added
mission tracking
, real-time countdown, and animated feedback for player actions.
Two Dots-Inspired Puzzle Game