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gamepad graphics
*To*: mathgroup at smc.vnet.net
*Subject*: [mg79816] gamepad graphics
*From*: zzzz <giarc54 at gmail.com>
*Date*: Sun, 5 Aug 2007 04:56:23 -0400 (EDT)
I wrote a program that is supposed to use my Logitech
gamepad (for ps3) to control a point so that as it aproaches
a disk, the hue of the disk will change.
Curiously,(to me anyway) this programs works (kind of) only when a
print command is inserted as below:
DynamicModule[{x = -400, y = -400, d = 1000, a = .5},
ControllerManipulate[
Graphics[{{Hue[Dynamic[a]], Disk[{0, 0}, 200]}, {PointSize[Large],
Point[{x, y}]}}, Axes -> True, PlotRange -> 1000,
AspectRatio -> 1/1, ImageSize -> {500, 500}],
Dynamic[x = x + ControllerState["Z1"]],
Dynamic[y = y + ControllerState["Y2"]],
Dynamic[d = Sqrt[Abs[((x - 0)^2) + ((y - 0)^2)] ] ] ,
Dynamic[a = (N[Dynamic[d]/1000])],
(* Print[] *)
"Z1" -> {x, -1000, 1000, .01},
"Y2" -> {y, -1000, 1000, .01},
ControllerMethod -> "None"]]
When I remove the comment parentheses and asterix,
it works,,,slowly. If I leave the them, the disk won't change
color. How can I implement this better?Correctly?
Please Help.
I have a similar problem in 3D Below:
DynamicModule[{x = 900, y = 900, z = 900, d = 0.00, p = 1.3, q = -2.4,
r = 2, a = 1},
ControllerManipulate[
Dynamic[
Graphics3D[{PointSize[Large], Hue[Dynamic[a]],
Sphere[{0, 0, 0}, 200], {Hue[.8], Sphere[{x, y, z}, 50]}},
PlotRange -> 1050, AspectRatio -> Automatic,
BoxRatios -> {1, 1, 1}, Axes -> True, ImageSize -> {600, 600},
ViewPoint -> {p, q, r}]],
Dynamic[
d = Sqrt[((Dynamic[x] - 0)^2) + ((Dynamic[y] -
0)^2) + ((Dynamic[z] - 0)^2)] ],
Dynamic[a = (N[Dynamic[d]/1000])],
Dynamic[z = z + ControllerState["Y1"]],
Dynamic[x = x + ControllerState["Z1"]],
Dynamic[y = y + ControllerState["Y2"]],
Dynamic[p = p + ControllerState["X3"]],
Dynamic[q = q + ControllerState["Y3"]],
(*Print[], *)
"Y3" -> {q, -10, 10, .00001},
"X3" -> {p, -10, 10, .00001},
"Y1" -> {z, -1000, 1000, .01},
"Z1" -> {x, -1000, 1000, .01},
"Y2" -> {y, -1000, 1000, .01},
ControllerMethod -> "None", TrackedSymbols -> All]
]
Gratefull for any help!
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