From 0a9ef8576d7c76d61f98bd83e783fac8ed204de0 Mon Sep 17 00:00:00 2001
From: Jules Laplace <jules@okfoc.us>
Date: Thu, 27 Apr 2017 00:10:34 -0400
Subject: slide left/right

---
 bundle.js | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++-------------
 1 file changed, 69 insertions(+), 17 deletions(-)

(limited to 'bundle.js')

diff --git a/bundle.js b/bundle.js
index 9e6a730..a0f2534 100644
--- a/bundle.js
+++ b/bundle.js
@@ -24780,6 +24780,12 @@ nx.onload = function () {
 	nx.widgets.slideDown.on('*', function (e) {
 		return e.press && slideDown();
 	});
+	nx.widgets.slideLeft.on('*', function (e) {
+		return e.press && slideLeft();
+	});
+	nx.widgets.slideRight.on('*', function (e) {
+		return e.press && slideRight();
+	});
 	nx.widgets.rotateUp.on('*', function (e) {
 		return e.press && rotateVertical(-1);
 	});
@@ -24804,8 +24810,48 @@ nx.onload = function () {
 	_tone2.default.Transport.start();
 };
 
-function shiftUp() {}
-function shiftDown() {}
+function shiftUp() {
+	var scaleCount = _scales2.default.current().scale.length;
+	var originalNotes = findNotes();
+	var subScale = originalNotes.map(function (n) {
+		return noteCount - n;
+	}).reduce(function (acc, n) {
+		var scaleNote = n % scaleCount;
+		if (!acc.includes(scaleNote)) acc.push(scaleNote);
+		return acc;
+	}, []).sort();
+	assignNotes(mapFunction(originalNotes, function (n) {
+		var note = noteCount - n;
+		var scaleIndex = subScale.indexOf(note % scaleCount) + 1;
+		var octave = Math.floor(note / scaleCount);
+		while (scaleIndex >= subScale.length) {
+			scaleIndex -= subScale.length;
+			octave += 1;
+		}
+		return noteCount - (subScale[scaleIndex] + octave * scaleCount);
+	}));
+}
+function shiftDown() {
+	var scaleCount = _scales2.default.current().scale.length;
+	var originalNotes = findNotes();
+	var subScale = originalNotes.map(function (n) {
+		return noteCount - n;
+	}).reduce(function (acc, n) {
+		var scaleNote = n % scaleCount;
+		if (!acc.includes(scaleNote)) acc.push(scaleNote);
+		return acc;
+	}, []).sort();
+	assignNotes(mapFunction(originalNotes, function (n) {
+		var note = noteCount - n;
+		var scaleIndex = subScale.indexOf(note % scaleCount) - 1;
+		var octave = Math.floor(note / scaleCount);
+		while (scaleIndex < 0) {
+			scaleIndex += subScale.length;
+			octave -= 1;
+		}
+		return noteCount - Math.max(0, subScale[scaleIndex] + octave * scaleCount);
+	}));
+}
 function slideUp() {
 	assignNotes(mapFunction(findNotes(), function (n) {
 		return (n - 1 + noteCount) % noteCount;
@@ -24816,6 +24862,16 @@ function slideDown() {
 		return (n + 1 + noteCount) % noteCount;
 	}));
 }
+function slideLeft() {
+	assignPositions(mapFunction(findPositions(), function (n) {
+		return (n - 1 + stepCount) % stepCount;
+	}));
+}
+function slideRight() {
+	assignPositions(mapFunction(findPositions(), function (n) {
+		return (n + 1 + stepCount) % stepCount;
+	}));
+}
 function flip() {
 	assignNotes(mapReverse(findNotes()));
 }
@@ -24828,25 +24884,25 @@ function rotateHorizontal(n) {
 function rotateVertical(n) {
 	assignNotes(remapArray(findNotes(), n));
 }
-function assignPositions(notes) {
-	if (!notes) return;
+function assignPositions(positions) {
+	if (!positions) return;
 	var a = grid.matrix;
 	var b = iota();
 	stride(a, function (i, j, v) {
-		if (i in notes) {
-			b[notes[i]][j] = v;
+		if (i in positions) {
+			b[positions[i]][j] = v;
 		}
 	});
 	assign(grid.matrix, b);
 	grid.draw();
 }
-function assignNotes(positions) {
-	if (!positions) return;
+function assignNotes(noteMap) {
+	if (!noteMap) return;
 	var a = grid.matrix;
 	var b = iota();
 	stride(a, function (i, j, v) {
-		if (j in positions) {
-			b[i][positions[j]] = v;
+		if (j in noteMap) {
+			b[i][noteMap[j]] = v;
 		}
 	});
 	assign(grid.matrix, b);
@@ -24887,11 +24943,9 @@ function iota() {
 	return a;
 }
 function findNotes() {
-	var a = new Array(grid.matrix[0].length);
-	grid.matrix.forEach(function (col, i) {
-		col.forEach(function (v, j) {
-			if (v) a[j] = 1;
-		});
+	var a = new Array(noteCount);
+	stride(grid.matrix, function (i, j, v) {
+		if (v) a[j] = 1;
 	});
 	return a.reduce(function (acc, v, i) {
 		if (v === 1) acc.push(i);
@@ -24918,7 +24972,6 @@ function remapArray(a, n) {
 function rotate(a, n) {
 	var b = a.slice(0);
 	b.unshift.apply(b, b.splice(-n, b.length));
-	console.log(b);
 	return b;
 }
 function mapFunction(a, f) {
@@ -24927,7 +24980,6 @@ function mapFunction(a, f) {
 	for (var i = 0; i < a.length; i++) {
 		h[a[i]] = f(a[i]);
 	}
-	console.log(h);
 	return h;
 }
 function mapReverse(a) {
-- 
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