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Maxscript: There are two functions here which create a single wave in maxscript using point helps to display the wave.
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-- http://cameroncarson.com/nuke-wave-expressions/ | |
-- https://davemne.wordpress.com/2011/05/16/nuke-wave-expressions-to-copy-and-paste/ | |
fn BuildBounceArc = | |
( | |
waveWidth = 10 | |
minVal = 0 | |
maxVal = 10 | |
numSamples = 20 | |
-- abs(sin(pi*(frame + offset)/waveLength))* (maxVal-minVal) + minVal | |
for i = 0 to numSamples do | |
( | |
ang = i * 180.0 / numSamples | |
posZ = abs(sin(ang)) * (maxVal - minVal) + minVal | |
posX = 1.0 * i / numSamples * waveWidth | |
point pos:[posX, 0, posZ] size:.5 wirecolor:green name:("ang_" + ang as string) | |
) | |
) | |
fn BuildLinearArc = | |
( | |
waveWidth = 10 | |
minVal = 0.0 | |
maxVal = 10 | |
numSamples = 50 | |
-- (asin(sin(2*pi*(frame+offset)/waveLength))/pi+0.5) * (maxVal-minVal) + minVal | |
for i = 0 to numSamples do | |
( | |
ang = i * 180.0 / numSamples | |
posZ = (asin(sin(ang))/90) * (maxVal - minVal) + minVal | |
posX = 1.0 * i / numSamples * waveWidth | |
point pos:[posX, 0, posZ] size:.5 wirecolor:red name:("ang_" + ang as string) | |
) | |
) | |
fn BuildConcaveArc = | |
( | |
waveWidth = 10 | |
minVal = 0.0 | |
maxVal = 10 | |
numSamples = 50 | |
for i = 0 to numSamples do | |
( | |
ang = i * 180.0 / numSamples | |
w = pow (asin(sin(ang))/90) 3.0 --increase or decrease value for steeper/shallower curve | |
posZ = w * (maxVal - minVal) + minVal | |
posX = 1.0 * i / numSamples * waveWidth | |
point pos:[posX, 0, posZ] size:.5 wirecolor:blue name:("ang_" + ang as string) | |
) | |
) | |
fn BuildConvexArc = | |
( | |
waveWidth = 10 | |
minVal = 0.0 | |
maxVal = 10 | |
numSamples = 50 | |
for i = 0 to numSamples do | |
( | |
ang = i * 180.0 / numSamples | |
w = pow (asin(sin(ang))/90) .5 --increase or decrease value for steeper/shallower curve | |
posZ = w * (maxVal - minVal) + minVal | |
posX = 1.0 * i / numSamples * waveWidth | |
point pos:[posX, 0, posZ] size:.5 wirecolor:orange name:("ang_" + ang as string) | |
) | |
) | |
fn BuildSmoothArc = | |
( | |
waveWidth = 10 | |
minVal = 0 | |
maxVal = 10 | |
numSamples = 20 | |
for i = 0 to numSamples do | |
( | |
ang = i * 180.0 / numSamples | |
w = pow (abs(sin(ang))) 3 --increase or decrease value for steeper/shallower curve | |
posZ = w * (maxVal - minVal) + minVal | |
posX = 1.0 * i / numSamples * waveWidth | |
point pos:[posX, 0, posZ] size:.5 wirecolor:black name:("ang_" + ang as string) | |
) | |
) | |
delete objects | |
clearlistener() | |
format "\n" | |
BuildBounceArc() | |
BuildLinearArc() | |
BuildConcaveArc() | |
BuildConvexArc() | |
BuildSmoothArc() | |
/* | |
in other programs, sin/asin work with Radians | |
but in MAXScript, you need to divide by degrees | |
and 0.5*Pi is 180 degrees | |
*/ |
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