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Allow a slider to set the colorRotation in radians

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This commit is contained in:
Eryn Wells 2018-10-09 16:51:35 -07:00
parent e2886f9aad
commit 1b8fc1feb7
5 changed files with 74 additions and 6 deletions
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32
MetaballsKit/PreferencesViewController.swift
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@ -14,6 +14,10 @@ private struct StyleItem {
let name: String
let tag: Int
let colorNames: [String]
var allowsRotation: Bool {
return colorNames.count > 1
}
}
public class PreferencesViewController: NSViewController {
@ -43,6 +47,14 @@ public class PreferencesViewController: NSViewController {
private var colorStackView = NSStackView()
private var colorViews = [ColorView]()
private lazy var colorRotationSlider: RotationSliderView = {
let rotationSlider = RotationSliderView(label: NSLocalizedString("Color θ", comment: "name of color rotation slider"))
rotationSlider.slider.target = self
rotationSlider.slider.action = #selector(PreferencesViewController.sliderDidUpdate(sender:))
rotationSlider.slider.floatValue = self.defaults.colorRotation
return rotationSlider
}()
private lazy var targetSlider: SliderView = {
let targetSlider = SliderView(label: NSLocalizedString("Target", comment: "name of the target slider"))
if #available(OSX 10.12.2, *) {
@ -135,6 +147,7 @@ public class PreferencesViewController: NSViewController {
colorStackView.addArrangedSubview(colorView)
colorViews.append(colorView)
}
colorStackView.addArrangedSubview(colorRotationSlider)
colorStackView.addArrangedSubview(targetSlider)
colorStackView.addArrangedSubview(featherSlider)
@ -217,6 +230,9 @@ public class PreferencesViewController: NSViewController {
colorView.isHidden = true
}
}
// Hide the color rotation slider if there's only one color
colorRotationSlider.isHidden = styleItem.colorNames.count == 1
}
func postColorNotification() {
@ -229,6 +245,7 @@ public class PreferencesViewController: NSViewController {
}
info["target"] = targetSlider.slider.floatValue
info["feather"] = featherSlider.slider.floatValue
info["colorRotation"] = colorRotationSlider.slider.floatValue
NotificationCenter.default.post(name: PreferencesDidChange_Color, object: nil, userInfo: info)
}
}
@ -304,3 +321,18 @@ class SliderView: ParameterView {
fatalError("init(coder:) has not been implemented")
}
}
class RotationSliderView: SliderView {
override init(label: String) {
super.init(label: label)
let slider = control as! NSSlider
slider.minValue = -Double.pi
slider.maxValue = Double.pi
slider.numberOfTickMarks = 5
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}