January 6, 2013
I recently saw a post on Twitter from @chpwn that described the alogorithm that Apple uses for its “rubber band” or “bungee” scrolling.
b = (1.0 – (1.0 / ((x * c / d) + 1.0))) * d
Simon Westerlund westerlund
westerlund
/ RubberBand.md
Created
May 25, 2017 14:25
— forked from originell/RubberBand.md
This is a straight copy of – to avoid this ever going dark http://squareb.wordpress.com/2013/01/06/31/
westerlund
/ cocoa-drawing.swift
Last active
November 29, 2015 10:33
— forked from randomsequence/cocoa-drawing.swift
Drawing images with CGContext and NSGraphicsContext in Swift
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| //: Playground - noun: a place where people can play | |
| import Cocoa | |
| let bounds = CGRectMake(0, 0, 100, 100); | |
| func DrawImageInCGContext(size: CGSize, drawFunc: (context: CGContextRef, rect: CGRect) -> Void) -> NSImage? { | |
| let colorSpace = CGColorSpaceCreateDeviceRGB() | |
| let bitmapInfo = CGBitmapInfo(rawValue: CGImageAlphaInfo.PremultipliedLast.rawValue) | |
| if let context = CGBitmapContextCreate( |
westerlund
/ RBResizer.swift
Created
December 21, 2014 16:27
— forked from HamptonMakes/RBResizer.swift
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| // | |
| // RBResizer.swift | |
| // Locker | |
| // | |
| // Created by Hampton Catlin on 6/20/14. | |
| // Copyright (c) 2014 rarebit. All rights reserved. | |
| // | |
| import UIKit |