NCCU advanced computer graph HW0
Execution time of default raytracing() : 1.798221 sec
Operating system working with:window
Compile environment:Msys2
Edit background and sphere position
修改rayRectangularIntersection function 中的運算方法,讓程式碼更好理解
但需要多運算大約1.5倍的時間
Execution time of modified raytracing() : 2.512149 sec