round() | c4ios.com

Author
Travis Kirton

Tags
math, interaction

round()

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

let result = round(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
        let mappedY = round(y)
        modifiedPoints.append(Point(x, mappedY))
        points.append(Point(x, y))
        x += 0.001
    } while x < 1
    return (points, modifiedPoints)
}
canvas.add(example)