eryn/moogfest18-waveform
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More tweaking and clean up

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This commit is contained in:
Eryn Wells 2018-09-18 19:23:12 -07:00
parent 38d39bd05a
commit 58a744fcca
2 changed files with 7 additions and 44 deletions
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51
Waveform/GameViewController.swift
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@ -63,10 +63,15 @@ class GameViewController: NSViewController, SCNSceneRendererDelegate {
for j in 0..<GameViewController.numberOfBallsPerSide {
let ijSphere = sphere.clone()
balls.append(ijSphere)
ijSphere.name = "sphere\(i),\(j)"
ijSphere.worldPosition = SCNVector3(x: CGFloat(-GameViewController.numberOfBallsPerSide / 2) + CGFloat(i),
y: 0.0,
z: CGFloat(-GameViewController.numberOfBallsPerSide / 2) + CGFloat(j))
let ijMaterial = ijSphere.geometry!.firstMaterial!.copy() as! SCNMaterial
ijSphere.geometry!.replaceMaterial(at: 0, with: ijMaterial)
sphereContainer.addChildNode(ijSphere)
}
}
@ -85,48 +90,6 @@ class GameViewController: NSViewController, SCNSceneRendererDelegate {
// configure the view
sceneView.backgroundColor = NSColor.black
// Add a click gesture recognizer
let clickGesture = NSClickGestureRecognizer(target: self, action: #selector(handleClick(_:)))
var gestureRecognizers = sceneView.gestureRecognizers
gestureRecognizers.insert(clickGesture, at: 0)
sceneView.gestureRecognizers = gestureRecognizers
}
@objc
func handleClick(_ gestureRecognizer: NSGestureRecognizer) {
// retrieve the SCNView
let scnView = self.view as! SCNView
// check what nodes are clicked
let p = gestureRecognizer.location(in: scnView)
let hitResults = scnView.hitTest(p, options: [:])
// check that we clicked on at least one object
if hitResults.count > 0 {
// retrieved the first clicked object
let result = hitResults[0]
// get its material
let material = result.node.geometry!.firstMaterial!
// highlight it
SCNTransaction.begin()
SCNTransaction.animationDuration = 0.5
// on completion - unhighlight
SCNTransaction.completionBlock = {
SCNTransaction.begin()
SCNTransaction.animationDuration = 0.5
material.emission.contents = NSColor.black
SCNTransaction.commit()
}
material.emission.contents = NSColor.red
SCNTransaction.commit()
}
}
func delayForSphereAt(x: Int, y: Int) -> Double {
@ -146,7 +109,7 @@ class GameViewController: NSViewController, SCNSceneRendererDelegate {
let delay = delayForSphereAt(x: x, y: z)
let inputX = 0.5 * time + delay
let y = sin(inputX) + sin(2.0 * inputX) + sin(4.0 * inputX) + sin(8.0 * inputX)
let y = (sin(inputX) + sin(2.0 * inputX) + sin(4.0 * inputX) + sin(8.0 * inputX)) / 2.0
node.worldPosition.y = CGFloat(y)
@ -159,6 +122,6 @@ class GameViewController: NSViewController, SCNSceneRendererDelegate {
}
func map(_ x: Double, inMin: Double, inMax: Double, outMin: Double, outMax: Double) -> Double {
return (x - inMin) * (outMax - outMin) / (inMax - inMin) + outMin;
return (x - inMin) * (outMax - outMin) / (inMax - inMin) + outMin
}
}