Extension:processingjs : Différence entre versions

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l'extension Processingjs permet d'entrer du code processing qui sera directement interprété dans le wiki à l'aide de http://processingjs.org
 
l'extension Processingjs permet d'entrer du code processing qui sera directement interprété dans le wiki à l'aide de http://processingjs.org
 +
 +
http://www.mediawiki.org/wiki/Extension:ProcessingJs
  
  
  
 
==exemple==
 
==exemple==
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<nowiki>
 
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<processingjs><br/>
 
  
  
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void setup(){<br/>
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<nowiki><processingjs></nowiki>
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   size( 200, 200 );<br/>
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<code lang="java"><processingjs>
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   strokeWeight( 10 );<br/>
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}<br/>
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void setup(){
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<br/>
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   size( 200, 200 );
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   strokeWeight( 10 );
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}
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void draw(){
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  background(0);
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  ellipse( mouseX, mouseY, 100, 100 );         
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}
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</code><nowiki></processingjs></nowiki>
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void draw(){  <br/>
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==problèmes connus==
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  background(0);  <br/>
 
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  ellipse( mouseX, mouseY, 100, 100 ); <br/>               
 
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}<br/>
 
  
−
</processingjs><br/>
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erreur en cas d'url simplifiée
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</nowiki>
 
  
 
==donne :==
 
==donne :==
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   size( 200, 200 );
 
   size( 200, 200 );
 
   strokeWeight( 10 );
 
   strokeWeight( 10 );
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println("hop");
 
}
 
}
  
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</processingjs>
 
</processingjs>
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<processingjs>
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// All Examples Written by Casey Reas and Ben Fry
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// unless otherwise stated.
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// center point
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float centerX = 0, centerY = 0;
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float radius = 45, rotAngle = -90;
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float accelX, accelY;
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float springing = .0085, damping = .98;
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//corner nodes
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int nodes = 5;
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float nodeStartX[] = new float[nodes];
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float nodeStartY[] = new float[nodes];
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float[]nodeX = new float[nodes];
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float[]nodeY = new float[nodes];
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float[]angle = new float[nodes];
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float[]frequency = new float[nodes];
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// soft-body dynamics
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float organicConstant = 1;
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void setup() {
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  size(800, 200);
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  //center shape in window
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  centerX = width/2;
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  centerY = height/2;
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  // iniitalize frequencies for corner nodes
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  for (int i=0; i<nodes; i++){
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    frequency[i] = random(5, 12);
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  }
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  noStroke();
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  smooth();
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  frameRate(30);
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}
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void draw() {
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  //fade background
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  fill(0, 100);
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  rect(0,0,width, height);
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  drawShape();
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  moveShape();
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}
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void drawShape() {
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  //  calculate node  starting locations
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  for (int i=0; i<nodes; i++){
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    nodeStartX[i] = centerX+cos(radians(rotAngle))*radius;
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    nodeStartY[i] = centerY+sin(radians(rotAngle))*radius;
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    rotAngle += 360.0/nodes;
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  }
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  // draw polygon
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  curveTightness(organicConstant);
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  fill(255);
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  beginShape();
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  for (int i=0; i<nodes; i++){
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    curveVertex(nodeX[i], nodeY[i]);
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  }
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  for (int i=0; i<nodes-1; i++){
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    curveVertex(nodeX[i], nodeY[i]);
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  }
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  endShape(CLOSE);
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}
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void moveShape() {
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  //move center point
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  float deltaX = mouseX-centerX;
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  float deltaY = mouseY-centerY;
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  // create springing effect
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  deltaX *= springing;
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  deltaY *= springing;
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  accelX += deltaX;
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  accelY += deltaY;
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  // move predator's center
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  centerX += accelX;
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  centerY += accelY;
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  // slow down springing
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  accelX *= damping;
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  accelY *= damping;
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  // change curve tightness
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  organicConstant = 1-((abs(accelX)+abs(accelY))*.1);
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  //move nodes
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  for (int i=0; i<nodes; i++){
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    nodeX[i] = nodeStartX[i]+sin(radians(angle[i]))*(accelX*2);
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    nodeY[i] = nodeStartY[i]+sin(radians(angle[i]))*(accelY*2);
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    angle[i]+=frequency[i];
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  }
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}
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 +
</processingjs>
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 +
[[testPjs]]

Version actuelle en date du 27 avril 2012 à 12:52

l'extension Processingjs permet d'entrer du code processing qui sera directement interprété dans le wiki à l'aide de http://processingjs.org

http://www.mediawiki.org/wiki/Extension:ProcessingJs


exemple

<processingjs> <processingjs>

void setup(){ 

 size( 200, 200 );
 strokeWeight( 10 );

} void draw(){ 

 background(0);
 ellipse( mouseX, mouseY, 100, 100 );

}

</processingjs>


problèmes connus

erreur en cas d'url simplifiée

donne :

<processingjs> void setup(){ 

 size( 200, 200 );
 strokeWeight( 10 );

println("hop"); }


void draw(){ 

 background(0);  
 ellipse( mouseX, mouseY, 100, 100 );

}

</processingjs>


<processingjs> void setup(){ 

 size( 600, 100 );
 strokeWeight( 10 );

}


void draw(){ 

 background(200,20,10);  
 ellipse( mouseX, mouseY, 100, 100 );

}

</processingjs>

<processingjs> // All Examples Written by Casey Reas and Ben Fry

// unless otherwise stated.

// center point

float centerX = 0, centerY = 0;


float radius = 45, rotAngle = -90;

float accelX, accelY;

float springing = .0085, damping = .98;


//corner nodes

int nodes = 5;

float nodeStartX[] = new float[nodes];

float nodeStartY[] = new float[nodes];

float[]nodeX = new float[nodes];

float[]nodeY = new float[nodes];

float[]angle = new float[nodes];

float[]frequency = new float[nodes];


// soft-body dynamics

float organicConstant = 1;


void setup() { 

 size(800, 200);

 //center shape in window

 centerX = width/2;

 centerY = height/2;

 // iniitalize frequencies for corner nodes

 for (int i=0; i<nodes; i++){

   frequency[i] = random(5, 12);

 }

 noStroke();

 smooth();

 frameRate(30);

}


void draw() { 

 //fade background

 fill(0, 100);

 rect(0,0,width, height);

 drawShape();

 moveShape();

}


void drawShape() { 

 //  calculate node  starting locations

 for (int i=0; i<nodes; i++){

   nodeStartX[i] = centerX+cos(radians(rotAngle))*radius;

   nodeStartY[i] = centerY+sin(radians(rotAngle))*radius;

   rotAngle += 360.0/nodes;

 }



 // draw polygon

 curveTightness(organicConstant);

 fill(255);

 beginShape();

 for (int i=0; i<nodes; i++){

   curveVertex(nodeX[i], nodeY[i]);

 }

 for (int i=0; i<nodes-1; i++){

   curveVertex(nodeX[i], nodeY[i]);

 }

 endShape(CLOSE);

}


void moveShape() { 

 //move center point

 float deltaX = mouseX-centerX;

 float deltaY = mouseY-centerY;



 // create springing effect

 deltaX *= springing;

 deltaY *= springing;

 accelX += deltaX;

 accelY += deltaY;



 // move predator's center

 centerX += accelX;

 centerY += accelY;



 // slow down springing

 accelX *= damping;

 accelY *= damping;



 // change curve tightness

 organicConstant = 1-((abs(accelX)+abs(accelY))*.1);



 //move nodes

 for (int i=0; i<nodes; i++){

   nodeX[i] = nodeStartX[i]+sin(radians(angle[i]))*(accelX*2);

   nodeY[i] = nodeStartY[i]+sin(radians(angle[i]))*(accelY*2);

   angle[i]+=frequency[i];

 }

}

</processingjs>

testPjs

Récupérée de « https://archive.fablabo.net/mediawiki/index.php?title=Extension:processingjs&oldid=840 »