TextureCutoutCircle.mm

//
//  TextureCutoutCircle.mm
//  DemoBros
//
//  Created by et1337 on 6/29/11.
//  Copyright 2011 __MyCompanyName__. All rights reserved.
//

#import "TextureCutoutCircle.h"
#import "CCNode+Extensions.h"

@implementation TextureCutoutCircle

-(id) init
{
    if ((self = [super initWithTexture:NULL andVertexCount:CIRCLE_VERTEX_COUNT]))
    {
        self.radius = 1.0f;
    }
    return self;
}

-(id) initCircle:(float)r withFile:(NSString*)file
{
    if ((self = [super initWithFile:file andVertexCount:CIRCLE_VERTEX_COUNT]))
    {
        self.radius = r;
    }
    return self;
}

-(id) initCircle:(float)r withTexture:(CCTexture2D*)tex
{
    if ((self = [super initWithTexture:tex andVertexCount:CIRCLE_VERTEX_COUNT]))
    {
        self.radius = r;
    }
    return self;
}

-(float) radius
{
    return radius;
}

-(void) setRadius:(float)r
{
    radius = r;
    for (int i = 0; i < CIRCLE_VERTEX_COUNT; i++)
    {
        float radians = ((float)i / (float)CIRCLE_VERTEX_COUNT) * M_PI * 2.0f;
        points[i] = ccp((1 + cos(radians)) * radius, (1 + sin(radians)) * radius);
    }
    self.contentSize = CGSizeMake(radius * 2.0f, radius * 2.0f);
}

@end