Polygon Spiral

C4WorkSpace.m

//
//  C4WorkSpace.m
//  Complex Shapes Tutorial
//
//  Created by Travis Kirton.
//

#import "C4WorkSpace.h"

@implementation C4WorkSpace 

-(void)setup {
    CGPoint polyPts[64];
    
    for(int i = 0; i < 64; i++) {
        polyPts[i] = CGPointMake(4*i*[C4Math sin:TWO_PI/16*i], 4*i*[C4Math cos:TWO_PI/16*i]);
        polyPts[i].x += self.canvas.center.x;
        polyPts[i].y += self.canvas.center.y;
    }
    
    C4Shape *spiral = [C4Shape polygon:polyPts pointCount:64];
    [self.canvas addShape:spiral];
}

@end