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Task/Draw-a-sphere/Swift/draw-a-sphere.swift

@@ -0,0 +1,31 @@
+class Sphere: UIView{
+
+  override func drawRect(rect: CGRect)
+  {
+    let context = UIGraphicsGetCurrentContext()
+    let locations: [CGFloat] = [0.0, 1.0]
+
+    let colors = [UIColor.whiteColor().CGColor,
+      UIColor.blueColor().CGColor]
+
+    let colorspace = CGColorSpaceCreateDeviceRGB()
+
+    let gradient = CGGradientCreateWithColors(colorspace,
+      colors, locations)
+
+    var startPoint = CGPoint()
+    var endPoint = CGPoint()
+    startPoint.x = self.center.x - (self.frame.width * 0.1)
+    startPoint.y = self.center.y - (self.frame.width * 0.15)
+    endPoint.x = self.center.x
+    endPoint.y = self.center.y
+    let startRadius: CGFloat = 0
+    let endRadius: CGFloat = self.frame.width * 0.38
+
+    CGContextDrawRadialGradient (context, gradient, startPoint,
+      startRadius, endPoint, endRadius,
+      0)
+  }
+}
+
+var s = Sphere(frame: CGRectMake(0, 0, 200, 200))