mirror of
https://github.com/id-Software/Wolf3D-iOS.git
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116 lines
3.4 KiB
Objective-C
116 lines
3.4 KiB
Objective-C
/*
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Copyright (C) 2011 id Software LLC, a ZeniMax Media company.
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This file is part of the WOLF3D iOS v2.1 GPL Source Code.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#import "CreditsViewController.h"
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#import <QuartzCore/CAAnimation.h>
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#define CREDITS_ANIMATION_POINTS_PER_SECOND ( 320.0f / 6.0f ) // Six seconds to scroll up
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// an iPhone screen.
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@interface CreditsViewController ()
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@property (nonatomic, retain) UIView* creditsRoll;
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@end
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@implementation CreditsViewController
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@synthesize creditsRoll;
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// The designated initializer. Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
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/*
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- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
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self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
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if (self) {
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// Custom initialization.
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}
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return self;
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}
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*/
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/*
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// Implement loadView to create a view hierarchy programmatically, without using a nib.
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- (void)loadView {
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}
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*/
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// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
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- (void)viewDidLoad {
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[super viewDidLoad];
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// This is the starting position of the credits text.
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CGPoint startPoint = self.creditsRoll.center;
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// Set up the end point. We can stop the animation as soon as the bottom of the credits
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// get to the top of the screen.
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CGPoint endPoint = startPoint;
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endPoint.y = -self.creditsRoll.bounds.size.height;
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// Start credits animation
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CABasicAnimation *theAnimation;
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theAnimation=[CABasicAnimation animationWithKeyPath:@"position"];
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CGFloat pointDistance = endPoint.y - startPoint.y;
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theAnimation.duration= fabs( pointDistance ) * ( 1.0f / CREDITS_ANIMATION_POINTS_PER_SECOND );
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theAnimation.fromValue=[NSValue valueWithCGPoint:startPoint];
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theAnimation.toValue=[NSValue valueWithCGPoint:endPoint];
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[self.creditsRoll.layer addAnimation:theAnimation forKey:@"animatePosition"];
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}
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// Override to allow orientations other than the default portrait orientation.
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- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
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// Return YES for supported orientations.
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return UIInterfaceOrientationIsLandscape(interfaceOrientation);
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}
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- (void)didReceiveMemoryWarning {
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// Releases the view if it doesn't have a superview.
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[super didReceiveMemoryWarning];
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// Release any cached data, images, etc. that aren't in use.
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}
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- (void)viewDidUnload {
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[super viewDidUnload];
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// Release any retained subviews of the main view.
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// e.g. self.myOutlet = nil;
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self.creditsRoll = nil;
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}
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- (void)dealloc {
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[super dealloc];
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}
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- (IBAction)back:(id)sender {
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[self.navigationController popViewControllerAnimated:YES];
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}
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@end
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