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Fixed windowing/windowExample #8210

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Fixed windowing/windowExample #8210

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d0019ee
[Fix] Fixed minor issue
FMagnani Nov 24, 2024
f35cd4d
[Fix] Fixed minor issue
FMagnani Nov 24, 2024
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22 changes: 12 additions & 10 deletions examples/windowing/windowExample/src/ofApp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,9 @@ void ofApp::setup(){

int screenW = ofGetScreenWidth();
int screenH = ofGetScreenHeight();
ofSetWindowPosition(screenW/2-300/2, screenH/2-300/2);
posx=screenW/2-300/2;
posy=screenH/2-300/2;
ofSetWindowPosition(posx, posy);

// load our typeface
vagRounded.load("vag.ttf", 16);
Expand All @@ -24,6 +26,7 @@ void ofApp::setup(){
ballPositionY = 150;
ballVelocityX = ofRandom(-5,5);
ballVelocityY = ofRandom(-5,5);

}

//--------------------------------------------------------------
Expand All @@ -39,41 +42,39 @@ void ofApp::update(){
ofShowCursor();
}


ballPositionX += ballVelocityX;
ballPositionY += ballVelocityY;

int posx = ofGetWindowPositionX();
int posy = ofGetWindowPositionY();
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does this point to a bug/regression with ofGetWindowPositionX / ofGetWindowPositionY ?

This code used to work.
I appreciate the bug fix for the example, but I think the bigger fix might be to understand why ofGetWindowPosition is not working anymore.

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Hi, thanks for the consideration!

If the code used to work, I agree! I can definitely dive into ofGetWindowPosition in order to understand the issue at a deeper level.

Is it ok to share the insights on this matter in this conversation? If you prefer, we close the PR and we open a new one when I find something interesting.

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In fact, the following code is already an issue. Even if it looks like the window is beeing set at exactly the same position it already has, in reality the window keeps moving. Precisely, each time it's set at +6 units in x and +27 units in y, with respect to the current position.

void ofApp::update(){  
		int posx = ofGetWindowPositionX();
		int posy = ofGetWindowPositionY();		
		ofSetWindowPosition(posx, posy);
}

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which platform are you in? it seems the dimensions of window decoration, status bar and border

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I'm working inside WSL -Windows Subsystem for Linux- with Windows 11 and Debian.


if (ballPositionX < 0){
ballPositionX = 0;
ballVelocityX *= -1;
if (!bFullscreen){
ofSetWindowPosition(posx-10, posy);
posx-=10;
}
} else if (ballPositionX > ofGetWidth()){
ballPositionX = ofGetWidth();
ballVelocityX *= -1;
if (!bFullscreen){
ofSetWindowPosition(posx+10, posy);
posx+=10;
}
}

if (ballPositionY < 0){
ballPositionY = 0;
ballVelocityY *= -1;
if (!bFullscreen){
ofSetWindowPosition(posx, posy-10);
posy-=10;
}
} else if (ballPositionY > ofGetHeight()){
ballPositionY = ofGetHeight();
ballVelocityY *= -1;
if (!bFullscreen){
ofSetWindowPosition(posx, posy+10);
posy+=10;
}
}


ofSetWindowPosition(posx, posy);

}

//--------------------------------------------------------------
Expand All @@ -85,6 +86,7 @@ void ofApp::draw(){
// lets show our window pos in pixels
// macs actually start the Y pos from 40
vagRounded.drawString("window pos ("+ofToString(ofGetWindowPositionX())+", "+ofToString( ofGetWindowPositionY())+")", 10, 25);
// vagRounded.drawString("window pos ("+ofToString(ballPositionX)+", "+ofToString(ballPositionY)+")", 10, 25);

if(!bFullscreen){
vagRounded.drawString("press f to enter fullscreen", -140 + ofGetWidth()/2, ofGetHeight()/2);
Expand Down
3 changes: 3 additions & 0 deletions examples/windowing/windowExample/src/ofApp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -30,5 +30,8 @@ class ofApp : public ofBaseApp{
float ballPositionY;
float ballVelocityX;
float ballVelocityY;

float posx;
float posy;

};