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From the FF demo


Ok then what is that constant is all about.
phy set force field constant
The help say Location-invariant part of the force field function.

what it means is if you had change the -800 to 800 you would have seen it do the oppsite and that all objects using that field are set the same. eg constant.

ya I change it, and it affect the ball attraction fo the blocks. If I place it to 0,0,0= There is no attraction. But when I change numbers it give different result. X#, Y#, Z# I get what xyz it seem to affect the force of the FF. But is those X#, Y#, Z# is 0,0,0 is the sphere OR is it the screen itselve? That is the question.

Here is some extra test
x,y,z
0,0,0 = nothing attracted
0,0,2000 = nothing ""
0,0,-2000 = nothing ""
0,2000,0 = nothing ""
0,-2000,0 = nothing ""
2000,0,0 = REPEAL blocks in every directions
-2000,0,0 = ATTRACT blocks, more it is negative more it attrac.

I don't understand.

have a look at this.

http://forum.thegamecreators.com/?m=forum_view&t=132578&b=30

I am analysing the codes, is in't the falloff suppose to let them fall back on the plate, like snow? I don't know. you probably work alot to fix it? It look nice.

Here is what I found so far. If we find out more about it we maybe can build a Tutorial on force field.

Force field are made in 5 steps, and here is all commands related to them, and all their commands.

1. PHY CREATE FORCE FIELD

2. Set force field

PHY SET FORCE FIELD COORDINATES id, type - 0 for cartesian, 1 for spherical, 2 for cylindrical and 3 for toroidal

PHY SET FORCE FIELD CONSTANT ID, X#, Y#, Z# Location-invariant part of the force field function.

PHY SET FORCE FIELD RIGID BODY ID, object. This command will attach a rigid body to the specified force field.

PHY SET FORCE FIELD LINEAR FALLOFF ID, X#, Y#, Z# Linear term in magnitude falloff factor.

PHY SET FORCE FIELD NOISE ID, X#, Y#, Z# Random component of the force field function.

PHY SET FORCE FIELD POSITION ID, X#, Y#, Z# Position of the force field.

PHY SET FORCE FIELD QUADRATIC FALLOFF ID, X#, Y#, Z# Quadratic term in magnitude falloff factor.

PHY SET FORCE FIELD RIGID BODY SCALE ID, Scale Change the force scale factor for RIGID bodies

PHY SET FORCE FIELD SOFT BODY SCALE ID, Scale Change the force scale factor for SOFT bodies

PHY SET FORCE FIELD TORUS RADIUS ID, Radius#

PHY SET FORCE FIELD CLOTH SCALE ID, Scale Change the force scale factor for cloth.


4. Put shape to FF:

PHY ADD FORCE FIELD BOX ID, mode, X#, Y#, Z#, SizeX#, SizeY#, SizeZ# mode= use a value of 1 to create an exclude volume, 0 for a regular volume

PHY ADD FORCE FIELD CAPSULE ID, mode, X#, Y#, Z#, SizeX#, SizeY#, SizeZ# mode= use a value of 1 to create an exclude volume, 0 for a regular volume

PHY ADD FORCE FIELD SPHERE ID, mode, X#, Y#, Z#, SizeX#, SizeY#, SizeZ# mode= use a value of 1 to create an exclude volume, 0 for a regular volume



5. Build FF:
PHY BUILD FORCE FIELD


Other FF related
PHY DELETE FORCE FIELD
PHY GET FORCE FIELD EXIST

HowDo i just had a look at your link and the code there in, I like your vortex. nice work

@sindore

Took some doing as I had to learn to read a bit of c to work out how the sdk demo did it same with pulley demo that I have posted.

This is what Force field can do

These are objects akin to actors, which affect cloth, soft bodies, fluid and rigid bodies that enter their area of influence. Force fields allow you to implement for example gusts of wind, dust devils, vacuum cleaners or anti-gravity zones.

That guy seem to know how FF work.
http://forum.thegamecreators.com/?m=forum_view&t=132800&b=32

Thay guy seem to know what is to do Force Field
http://www.fileden.com/files/2007/1/8/613117/force2.jpg

This is what it is supposed to do.
These are objects akin to actors, which affect cloth, soft bodies, fluid and rigid bodies that enter their area of influence. Force fields allow you to implement for example gusts of wind, dust devils, vacuum cleaners or anti-gravity zones.