Rotating an object with a PAN gesture

C4WorkSpace.m

//
//  C4WorkSpace.m
//  rotatingInteraction
//
//  Created by moi on 12-09-30.
//  Copyright (c) 2012 moi. All rights reserved.
//

#import "C4WorkSpace.h"

@implementation C4WorkSpace {
    C4Image *img;
}

-(void)setup {
    img = [C4Image imageNamed:@"C4Sky.png"];
    img.width = 200;
    img.center = self.canvas.center;
    img.perspectiveDistance = 200.0f;
    [img addGesture:PAN name:@"pan" action:@"move:"];
    [self.canvas addImage:img];
    [self runMethod:@"beginAnimation" afterDelay:0.1];
}

-(void)beginAnimation {
    img.animationDuration = 4.0f;
    img.animationOptions = REPEAT | LINEAR;
    img.rotationX = TWO_PI;
}
					
@end