Bezier & Quadratic Curves

C4WorkSpace.m

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

#import "C4WorkSpace.h"

@implementation C4WorkSpace

-(void)setup {
    C4Shape *bezierCurve, *quadraticCurve;
    
    //create the end points for the bezier curve
    CGPoint bezierEndPoints[2] = {CGPointZero,CGPointMake(200,200)};
    
    //create the control points for the bezier curve
    CGPoint bezierControlPoints[2] = {CGPointMake(-100, 200), CGPointMake(300, 0)};
    
    //create the bezier curve
    bezierCurve = [C4Shape curve:bezierEndPoints controlPoints:bezierControlPoints];
    bezierCurve.center = CGPointMake(self.canvas.center.x, self.canvas.height * 1/3);
    
    //create the end points for the quadratic curve
    CGPoint quadEndPoints[2] = {CGPointZero,CGPointMake(200, 0)};
    
    //create the controlPoint for the quadratic curve
    CGPoint quadControlPoint = CGPointMake(100, -200);
    
    //create the quadratic curve
    quadraticCurve = [C4Shape quadCurve:quadEndPoints controlPoint:quadControlPoint];
    quadraticCurve.center = CGPointMake(self.canvas.center.x, self.canvas.height * 2/3);

    //add the curves to the canvas
    [self.canvas addShape:bezierCurve];
    [self.canvas addShape:quadraticCurve];
}
@end