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Game Development | 游戏开发 | CS 415 UIUC

· 18 min read
Yuxuan (Jerry) Lin
Yuxuan (Jerry) Lin
M.S. in Computer Engineering @ Columbia University

Geometric Transformations​

The geometry of a mesh is defined by the vertex set Applying a transformation to a mesh means transforming each vertex location Simple transformations can be accomplished by multiplying a matrix times the vertex location

  • Rotation
  • Scale
  • Translation
[defaghibjklc0001][xyz1]\begin{bmatrix} d & e & f & a \\ g & h & i & b \\ j & k & l & c \\ 0 & 0 & 0 & 1 \end{bmatrix} \begin{bmatrix} x \\ y \\ z \\ 1 \end{bmatrix}