Examples
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map()

Author
Travis Kirton

Tags
math, interaction

map()

This example shows the effect of the map() function.

let result = map(value)

To run this example you need to include the MathComparePaths.swift file in your project.

Example

let example = MathComparePaths(frame: canvas.frame) {
    var points = [Point]()
    var modifiedPoints = [Point]()
    var x = 0.0
    repeat {
        let y = sin(x * 2 * M_PI) * -1//-1 inverts iOS coordinates to look normal
        let my = map(y, min: -1, max: 1, toMin: -1, toMax: 0) //same as above
        modifiedPoints.append(Point(x, my))
        points.append(Point(x, y))
        x += 0.001
    } while x < 1
    return (points, modifiedPoints)
}
canvas.add(example)

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