I have a function as , y = [sin(cos(x))]*x
were , 0 <= x <= PI/2
It draws a wave in this manner
I am trying to perform calculations which will stretch the or squeeze the wave maintaining the length .
case(1) : When x & y increases , the wave should be stretched .
case(2) : When x & y decreases , the wave should be squeezed .
Reason behind my need : I am developing a simple a game were i am trying to achieve some rope movements were user will be able to control the end points .I might be not maths geek but i would luv to achieve this on my own , any references , i would appreciate it .