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700 Chapter 8: Modifiers
Enabl e Adva nced S pri ngs—Makes the numeric
cont rols available for editing , and disconnects the
Strength and Sway settings from the Simple Soft
Bodies controls. Default=off.
The four numeric Stretch and Sway settings in this
rollout are available only when Enable Advanced
Springs is on.
Add S pr ing—Adds one or more springs to the
object based on the vertex selection at the Weights
&Springssub-objectlevelandtheSpring Option
dialog (page 1–700) sett ings.
Note: You cannot undo this action. To delete
existing springs, select the endpoints and click
Remove Spring.
Opti ons —Opens the Spring Option dialog (page
1–700) for determining how springs are added
with the Add Spring funct ion.
Remove Spring—Deletesanyspringsthathave
both vert ices selected at the Weights & Springs
sub-object level.
Stretch Str.—Determines the strength of the edge
springs; the higher the st rength, the less the
distance between them can vary.
Stretch Sway—Determines the sway of the edge
springs; t he higher the strength, the less the angle
between them can vary.
Shape Str.—Determines the strength of the shape
springs; the higher the st rength, the less the
distance between them can vary.
Shape Sway—Determines the sway of the shape
springs; t he higher the strength, the less the angle
between them can vary.
Spring Count—Displays the number of edge
springs, followed by the number of shape springs
in parentheses.
Hold Length—Maintains the length of edge springs
within the specified percentage.
Note: This setting, which is applied after the Flex
simulation,canaffecttheobjectshape,andthus
cause collision detection to fail.
Show Springs—Displays edge springs as blue lines
and shape springs as red lines. Springs are visible
only when a Flex sub-object mode is active.
You can change the spring colors using MAXScr ipt.
Spr ing Option Di al og
Select a Mesh, Patch, or NURBS object. > Modify panel >
Modifier List > Animation Modifiers > Flex > Advanced
Springs rollout > Options button
Use the Spring Option dialog to determine how
spring s are added in the Flex modifier when you
click the Advanced Springs rollout > Add Spring
button.