我正在使用Processing和Reactivision制作一个交互式表格，每个符号都会播放一个视频。我遇到的问题是，当您删除符号时，视频仍然保留并且不会重置舞台，因此当添加另一个符号时，它会播放已经播放的视频。我基本上需要做的是，一旦符号被删除，舞台就会重置/清除。任何帮助将不胜感激。代码
/*
TUIO processing demo - part of the reacTIVision project
http://reactivision.sourceforge.net/
Copyright (c) 2005-2009 Martin Kaltenbrunner <mkalten@iua.upf.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// we need to import the TUIO library
// and declare a TuioProcessing client variable
import TUIO.*;
import java.util.*;
import processing.video.*;
TuioProcessing tuioClient;
// these are some helper variables which are used
// to create scalable graphical feedback
float cursor_size = 15;
float object_size = 0;
float table_size = 760;
float scale_factor = 1;
PFont font;
PImage img;
Movie theMov;
Movie theMov2;
void setup()
{
//size(screen.width,screen.height);
size(720,480);
noStroke();
fill(0);
img = loadImage("background.jpeg");
theMov = new Movie(this, "gibi.mov");
theMov2 = new Movie(this, "rick.mov");
loop();
frameRate(30);
//noLoop();
font = createFont("Arial", 18);
scale_factor = height/table_size;
// we create an instance of the TuioProcessing client
// since we add "this" class as an argument the TuioProcessing class expects
// an implementation of the TUIO callback methods (see below)
tuioClient = new TuioProcessing(this);
}
// within the draw method we retrieve a Vector (List) of TuioObject and TuioCursor (polling)
// from the TuioProcessing client and then loop over both lists to draw the graphical feedback.
void draw()
{
background(247,73,2);
textFont(font,18*scale_factor);
float obj_size = object_size*scale_factor;
image(theMov, 0, 0);
image(theMov2, 0, 0);
Vector tuioObjectList = tuioClient.getTuioObjects();
for (int i=0;i<tuioObjectList.size();i++) {
TuioObject tobj = (TuioObject)tuioObjectList.elementAt(i);
pushMatrix();
//translate(tobj.getScreenX(width),tobj.getScreenY(height));
rotate(tobj.getAngle());
rect(-obj_size/2,-obj_size/2,obj_size,obj_size);
popMatrix();
fill(255);
text(""+tobj.getSymbolID(), tobj.getScreenX(width), tobj.getScreenY(height));
}
}
// these callback methods are called whenever a TUIO event occurs
// called when an object is added to the scene
void addTuioObject(TuioObject tobj) {
println("add object "+tobj.getSymbolID()+" ("+tobj.getSessionID()+") "+tobj.getX()+" "+tobj.getY()+" "+tobj.getAngle());
if ( tobj.getSymbolID() == 0) {
theMov.play();
}
if ( tobj.getSymbolID() == 5) {
theMov2.play();
}
}
// called when an object is removed from the scene
void removeTuioObject(TuioObject tobj) {
println("remove object "+tobj.getSymbolID()+" ("+tobj.getSessionID()+")");
if ( tobj.getSymbolID() == 0) {
theMov.stop();
}
if ( tobj.getSymbolID() == 5) {
theMov2.stop();
}
}
// called when an object is moved
void updateTuioObject (TuioObject tobj) {
println("update object "+tobj.getSymbolID()+" ("+tobj.getSessionID()+") "+tobj.getX()+" "+tobj.getY()+" "+tobj.getAngle()
+" "+tobj.getMotionSpeed()+" "+tobj.getRotationSpeed()+" "+tobj.getMotionAccel()+" "+tobj.getRotationAccel());
}
// called after each message bundle
// representing the end of an image frame
void refresh(TuioTime bundleTime) {
redraw();
}
void movieEvent(Movie m) {
m.read();
}
TUIO: missing or wrong 'addTuioCursor(TuioCursor tcur)' method implementation
TUIO:missing or wrong 'removeTuioCursor(TuioCursor tcur)' method implementation
TUIO: missing or wrong 'updateTuioCursor(TuioCursor tcur)' method implementation
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update object 0 (3) 0.37597793 0.86093885 0.0742998 0.19375265 0.0 -0.48257622 0.0
update object 0 (3) 0.37597793 0.8532117 0.0742998 0.23415594 0.0 1.2243422 0.0
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update object 0 (3) 0.37695312 0.83588284 0.0010060358 0.072256215 0.020629212 2.3308456 1.0950066
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update object 0 (3) 0.37695312 0.83588284 0.0080239 0.0 0.04105623 0.0 1.4680401
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update object 0 (3) 0.37780267 0.8365726 6.2781296 0.0 -0.03568064 0.0 -0.9911289
update object 0 (3) 0.37780267 0.83493704 6.2781296 0.054518383 0.0 1.8172795 1.1893547
update object 0 (3) 0.37780267 0.8339297 0.0010060358 0.02878053 0.027564982 -0.73536724 0.7875709
update object 0 (3) 0.37780267 0.8339297 6.274067 0.0 -0.051979534 -0.9284042 -2.565952
update object 0 (3) 0.37780267 0.83292246 6.274067 0.028778825 0.0 0.82225215 1.4851296
update object 0 (3) 0.37780267 0.83292246 0.001011122 0.0 0.048852257 -0.87208563 1.4803715
update object 0 (3) 0.37780267 0.83421654 6.27816 0.041744404 -0.030989556 1.3465937 -2.5755424
update object 0 (3) 0.37876967 0.83421654 0.0040691537 0.027628625 0.041355457 -0.40330797 2.0670004
update object 0 (3) 0.37876967 0.83421654 6.2811527 0.0 -0.029428765 -0.83723104 -2.1449766
update object 0 (3) 0.37876967 0.83421654 6.2811527 0.0 0.0 0.0 0.9196489
update object 0 (3) 0.37876967 0.8320927 6.2811527 0.06636977 0.0 2.0740552 0.0
update object 0 (3) 0.37876967 0.8320927 6.2811527 0.0 0.0 -1.8436048 0.0
update object 0 (3) 0.37768522 0.8320927 6.2811527 0.032862026 0.0 0.995819 0.0
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update object 0 (3) 0.37768522 0.8320927 6.2811527 0.0 0.0 0.0 0.0
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update object 0 (3) 0.37865222 0.8276982 6.2811527 0.0 0.0 0.0 0.0
update object 0 (3) 0.37865222 0.8256836 6.2811527 0.05444804 0.0 1.4715686 0.0
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update object 0 (3) 0.37865222 0.8243041 6.2811527 0.0 0.0 -1.3591034 0.0
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update object 0 (3) 0.38131282 0.8319766 6.2811527 0.0 0.0 -6.8713803 0.0
update object 0 (3) 0.38131282 0.8319766 6.2811527 0.0 0.0 0.0 0.0
remove object 0 (3)
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update object 5 (4) 0.3820777 0.7410607 1.4853827 0.19572896 0.0 -2.000597 0.0
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update object 5 (4) 0.3820777 0.73477453 1.4853827 0.057456825 0.0 -1.6393389 0.0
update object 5 (4) 0.38115984 0.73477453 1.4853827 0.035301536 0.0 -0.8521265 0.0
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update object 5 (4) 0.38727325 0.7480674 1.4853827 0.04097404 0.0 0.34880644 0.0
update object 5 (4) 0.38727325 0.7504541 1.4853827 0.0769919 0.0 1.1618665 0.0
update object 5 (4) 0.38846976 0.751919 1.4853827 0.054039527 0.0 -0.6557822 0.0
update object 5 (4) 0.38846976 0.751919 1.4853827 0.0 0.0 -1.1497772 0.0
update object 5 (4) 0.38846976 0.7534999 1.4853827 0.034368556 0.0 0.7471425 0.0
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update object 5 (4) 0.38846976 0.7534999 1.4853827 0.0 0.0 0.0 0.0
update object 5 (4) 0.38846976 0.7545311 1.4853827 0.042965014 0.0 1.7902089 0.0
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update object 5 (4) 0.38846976 0.75573987 1.4853827 0.0 0.0 -1.4220966 0.0
update object 5 (4) 0.38846976 0.75573987 1.4853827 0.0 0.0 0.0 0.0
update object 5 (4) 0.38936844 0.75927395 1.4853827 0.11395484 0.0 3.5610886 0.0
update object 5 (4) 0.39017427 0.76237434 1.4853827 0.04928318 0.0 -0.99494874 0.0
update object 5 (4) 0.39233226 0.76737326 1.4853827 0.15556657 0.0 3.0366688 0.0
update object 5 (4) 0.3962385 0.7761623 1.4853827 0.2914553 0.0 4.11784 0.0
update object 5 (4) 0.3962385 0.7761623 1.4853827 0.0 0.0 -7.87717 0.0
update object 5 (4) 0.3962385 0.7761623 1.4853827 0.0 0.0 0.0 0.0
remove object 5 (4)
答案 0 :(得分：2)
所以我多玩了一些，最后让它起作用。问题是我不断地在错误的地方绘制电影，因为它们需要在绘图部分的向量内，并且当显示某个符号时我需要一个if语句来调用它们。代码如下：
/*
TUIO processing demo - part of the reacTIVision project
http://reactivision.sourceforge.net/
Copyright (c) 2005-2009 Martin Kaltenbrunner <mkalten@iua.upf.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// we need to import the TUIO library
// and declare a TuioProcessing client variable
import TUIO.*;
import java.util.*;
import processing.video.*;
TuioProcessing tuioClient;
// these are some helper variables which are used
// to create scalable graphical feedback
float cursor_size = 15;
float object_size = 0;
float table_size = 760;
float scale_factor = 1;
PFont font;
PImage img;
Movie theMov;
Movie theMov2;
PImage bg;
void setup()
{
//size(screen.width,screen.height);
size(1280,720);
noStroke();
fill(0);
//bg = loadImage("bg.png");
theMov = new Movie(this, "isobar.mov");
loop();
frameRate(30);
//noLoop();
font = createFont("Arial", 18);
scale_factor = height/table_size;
// we create an instance of the TuioProcessing client
// since we add "this" class as an argument the TuioProcessing class expects
// an implementation of the TUIO callback methods (see below)
tuioClient = new TuioProcessing(this);
}
// within the draw method we retrieve a Vector (List) of TuioObject and TuioCursor (polling)
// from the TuioProcessing client and then loop over both lists to draw the graphical feedback.
void draw()
{
//background(bg);
textFont(font,18*scale_factor);
float obj_size = object_size*scale_factor;
Vector tuioObjectList = tuioClient.getTuioObjects();
for (int i=0;i<tuioObjectList.size();i++) {
TuioObject tobj = (TuioObject)tuioObjectList.elementAt(i);
pushMatrix();
//translate(tobj.getScreenX(width),tobj.getScreenY(height));
rotate(tobj.getAngle());
rect(-obj_size/2,-obj_size/2,obj_size,obj_size);
popMatrix();
if (tobj.getSymbolID()==0){
image(theMov, 0, 0);
}
if (tobj.getSymbolID()==5){
image(theMov2, 0, 0);
}
//fill(255);
//text(""+tobj.getSymbolID(), tobj.getScreenX(width), tobj.getScreenY(height));
}
}
// these callback methods are called whenever a TUIO event occurs
// called when an object is added to the scene
void addTuioObject(TuioObject tobj) {
println("add object "+tobj.getSymbolID()+" ("+tobj.getSessionID()+") "+tobj.getX()+" "+tobj.getY()+" "+tobj.getAngle());
if (tobj.getSymbolID() == 0){
theMov.play();
}
if (tobj.getSymbolID() == 5){
theMov2.play();
}
if (tobj.getSymbolID()==1){
text(""+tobj.getSymbolID(), tobj.getScreenX(width), tobj.getScreenY(height));
fill(255);
translate(tobj.getScreenX(width),tobj.getScreenY(height));
}
}
// called when an object is removed from the scene
void removeTuioObject(TuioObject tobj) {
println("remove object "+tobj.getSymbolID()+" ("+tobj.getSessionID()+")");
if ( tobj.getSymbolID() == 0) {
theMov.stop();
}
if ( tobj.getSymbolID() == 5) {
theMov2.stop();
}
}
// called when an object is moved
void updateTuioObject (TuioObject tobj) {
println("update object "+tobj.getSymbolID()+" ("+tobj.getSessionID()+") "+tobj.getX()+" "+tobj.getY()+" "+tobj.getAngle()
+" "+tobj.getMotionSpeed()+" "+tobj.getRotationSpeed()+" "+tobj.getMotionAccel()+" "+tobj.getRotationAccel());
}
// called after each message bundle
// representing the end of an image frame
void refresh(TuioTime bundleTime) {
redraw();
}
void movieEvent(Movie m) {
m.read();
}