cf62eba · metal-metaballs

PixelImage/ImageMetaballRenderer.swift+6

compare with master

unifiedsplit

@@ -2,8 +2,14 @@

2import UIKit

3

4class ImageMetaballRenderer: MetaballRenderer {

5+

5 typealias TargetView = UIImageView

6 typealias TargetView = UIImageView

6

7

8+ var supportsDynamicRendering: Bool { get {

9+ return false

10+ }

11+ }

12+

7 let targetView = TargetView()

13 let targetView = TargetView()

8

14

9 let dataSource: MetaballDataSource

15 let dataSource: MetaballDataSource

PixelImage/MetaballRenderer.swift+1

@@ -9,6 +9,7 @@ protocol MetaballRenderer {

9 typealias TargetView: UIView

10

11 var targetView: TargetView { get }

12+ var supportsDynamicRendering: Bool { get }

12

13

13 init(dataSource: MetaballDataSource)

14 init(dataSource: MetaballDataSource)

14

15

PixelImage/MetalMetaballRenderer.swift+5

@@ -15,6 +15,11 @@ class MetalMetaballRenderer: MetaballRenderer {

15

16 typealias TargetView = UIImageView

17

18+ var supportsDynamicRendering: Bool { get {

19+ return true

20+ }

21+ }

22+

18 let targetView = TargetView()

23 let targetView = TargetView()

19 var previousFrame = CGRect.zero

24 var previousFrame = CGRect.zero

20

25

PixelImage/ViewController.swift+1−2

@@ -3,7 +3,6 @@ import UIKit

3

4class ViewController: UIViewController, MetaballDataSource {

5

6− let dynamicRendering = true

7 typealias Renderer = MetalMetaballRenderer // ImageMetaballRenderer // MetalMetaballRenderer

6 typealias Renderer = MetalMetaballRenderer // ImageMetaballRenderer // MetalMetaballRenderer

8 typealias TargetView = Renderer.TargetView

7 typealias TargetView = Renderer.TargetView

9

8

@@ -59,7 +58,7 @@ class ViewController: UIViewController, MetaballDataSource {

59

58

60 selectedMetaball?.middle = location

59 selectedMetaball?.middle = location

61

60

62− if recognizer.state == .Changed && dynamicRendering {

61+ if recognizer.state == .Changed && renderer.supportsDynamicRendering {

63 renderer.updateTargetView()

62 renderer.updateTargetView()

64 }

63 }

65 if recognizer.state == .Ended {

64 if recognizer.state == .Ended {