Now that the bike and walls are fleshed out, we turn our attention to the control buttons. As we have mentioned before, we are optimizing our graphics, so we actually only have a single black and white button to use for all the control buttons. Let's look at the class header first.
#import <Foundation/Foundation.h>
#import "cocos2d.h"
#import "CLDefinitions.h"
#import "CLBike.h"
@interface CLButton : CCSprite <CCTargetedTouchDelegate> {
BOOL isLeft; // Is this a left turn button?
CLBike *parentBike; // Bike the button controls
CLPlayfieldLayer *myPlayfield; // main game layer
}
+(id) buttonForBike:(CLBike*)thisBike
asPlayerNo:(NSInteger)playerNo
isLeft:(BOOL)isLeftButton
onLayer:(CLPlayfieldLayer*)thisLayer;
@endHere we have kept references to both myPlayfield and the parentBike. The variable myPlayfield references the main playfield layer of our game. The
parentBike is the bike that will...