Prevent Image from reading nonexistent pixels
Sphere UV mapping
Merge branch 'master' into uv-mapping
Add dice texture
Fix sphere UV-mapping not using object coordinates
`signum` helper function
Add square (single face) texture
Single face cube UV-mapping
Multiple-faced parallelepipoid UV-mapping
Do not use pushed-back intersection position
Renumber parallelepipoid sides
Merge branch 'master' into uv-mapping
Fix texture being distorted
Adjustment & refactor
Refix the fix
Add current render example
Update Parallelepipoid.cpp
Merge pull request #24 from merlinND/uv-mapping

UV mapping (correct texture coordinates)