Arcs & Wedges

C4WorkSpace.m

//
//  C4WorkSpace.m
//  Examples
//
//  Created by Travis Kirton on 12-07-19.
//

#import "C4WorkSpace.h"

@implementation C4WorkSpace

-(void)setup {
    
    CGPoint arcCenter, wedgeCenter;
    
    arcCenter = self.canvas.center;
    arcCenter.y = self.canvas.height * 1/3;

    wedgeCenter = self.canvas.center;
    wedgeCenter.y = self.canvas.height * 2/3;
    
    C4Shape *clockwiseArc, *counterClockwiseArc, *clockwiseWedge, *counterClockwiseWedge;

    //create the counter-clockwise arc
    counterClockwiseArc = [C4Shape arcWithCenter:arcCenter radius:100 startAngle:0 endAngle:PI*2/3 clockwise:NO];
    [counterClockwiseArc closeShape];

    //create the clockwise arc, first shifting the center of the arc
    arcCenter.x += 8;
    arcCenter.y += 14;
    clockwiseArc = [C4Shape arcWithCenter:arcCenter radius:100 startAngle:0 endAngle:PI*2/3 clockwise:YES];
    [clockwiseArc closeShape];
    
    //create the counter-clockwise wedge
    counterClockwiseWedge = [C4Shape wedgeWithCenter:wedgeCenter radius:100 startAngle:0 endAngle:PI*2/3 clockwise:NO];

    //create the clockwise wedge, first shifting the center of the wedge
    wedgeCenter.x += 9;
    wedgeCenter.y += 14;
    clockwiseWedge = [C4Shape wedgeWithCenter:wedgeCenter radius:100 startAngle:0 endAngle:PI*2/3 clockwise:YES];

    //add the shapes to the canvas
    [self.canvas addShape:clockwiseArc];
    [self.canvas addShape:counterClockwiseArc];
    [self.canvas addShape:clockwiseWedge];
    [self.canvas addShape:counterClockwiseWedge];
}

@end