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Computer Graphics: Difference between revisions
→Homogeneous Coordinates
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Points are <math>(x,y,z,1)</math> and vectors are <math>(x,y,z,0)</math>.<br> | Points are <math>(x,y,z,1)</math> and vectors are <math>(x,y,z,0)</math>.<br> | ||
The last coordinate in points allow for translations to be represented as matrix multiplications.<br> | The last coordinate in points allow for translations to be represented as matrix multiplications.<br> | ||
;Notes | |||
* The point <math>(kx, ky, kz, k)</math> is equivalent to <math>(x, y, z, 1)</math>. | |||
Transformations consists of translations, rotations, and scaling | Transformations consists of translations, rotations, and scaling | ||