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math - remap function

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	`1`	`+---`
	`2`	`+title: Remap`
	`3`	`+description: re-maps a value from one range to another`
	`4`	`+author: JasimAlrawie`
	`5`	`+tags: math,number-theory,algebra`
	`6`	`+---`
	`7`	`+`
	`8`	+```js
	`9`	`+function remap(v, start1, end1, start2, end2) {`
	`10`	`+ return (v-start1) * (stop2 - start2)/(stop1 - start1) + start2`
	`11`	`+}`
	`12`	`+`
	`13`	`+// Usage:`
	`14`	`+remap(value, 0, 1, 0, 255) // remaps the value from (0,1) to (0,255)`
	`15`	`+remap(value, 0, PI*2, 0, 360) // remaps the value from rad to deg`
	`16`	`+remap(value, -1, 1, 1, 8) // remaps the value from (-1,1) to (1,8)`
	`17`	+```

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