From 7b7513a69eb4e30dba1210b3863b46490a97b191 Mon Sep 17 00:00:00 2001
From: Micah Elizabeth Scott <micah@scanlime.org>
Date: Fri, 7 Mar 2014 02:03:38 -0800
Subject: [PATCH] Fix spin rate (pitch bend) control
---
examples/node/midi_particles.coffee | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/examples/node/midi_particles.coffee b/examples/node/midi_particles.coffee
index 2e882ef..285bdc2 100755
--- a/examples/node/midi_particles.coffee
+++ b/examples/node/midi_particles.coffee
@@ -39,7 +39,7 @@ particleNotes = {}
# Adjustable parameters
particleLifetime = 1.0
brightness = 1.0
-spinRate = 1.0
+spinRate = 0
noteSustain = 1.6
wobbleAmount = 24.0
origin = [0, 0, 0]
@@ -95,7 +95,7 @@ input.on 'message', (deltaTime, message) ->
when 0xe0 # Voice 0, Pitch Bend
# Default spin 1.0, but allow forward/backward
- spinRate = 1.0 + (message[2] - 64) * 20.0 / 64
+ spinRate = (message[2] - 64) * 10.0 / 64
draw = () ->
@@ -119,7 +119,7 @@ draw = () ->
for p in particles
# Angle: Global spin, thne positional mapping to key
- theta = midiToAngle p.note.key
+ theta = spinAngle + midiToAngle p.note.key
# Radius: Particles spawn in center, fly outward
radius = 3.0 * (1 - p.life)
--
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