Extension:processingjs : Différence entre versions

De fablabo
Aller à : navigation, rechercher
(donne :)
(exemple)
 
(23 révisions intermédiaires par le même utilisateur non affichées)
Ligne 1 : Ligne 1 :
  
 
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==
<nowiki>
 
<processingjs>
 
  
 +
 +
<nowiki><processingjs></nowiki>
 +
<code lang="java"><processingjs>
  
 
void setup(){
 
void setup(){
Ligne 18 : Ligne 21 :
 
}
 
}
  
</processingjs>
+
</code><nowiki></processingjs></nowiki>
</nowiki>
+
 
 +
 
 +
==problèmes connus==
 +
 
 +
erreur en cas d'url simplifiée
  
 
==donne :==
 
==donne :==
Ligne 27 : Ligne 34 :
 
   size( 200, 200 );
 
   size( 200, 200 );
 
   strokeWeight( 10 );
 
   strokeWeight( 10 );
 +
println("hop");
 
}
 
}
  
Ligne 53 : Ligne 61 :
  
 
<processingjs>
 
<processingjs>
@pjs font="images/Fabada-regular.ttf";  
+
// All Examples Written by Casey Reas and Ben Fry
       
+
 
void setup()
+
// unless otherwise stated.
{
+
 
   size(200,200);
+
// center point
   noLoop();
+
 
  // textFont(createFont("Fabada-regular",32));
+
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 draw()
+
 
{
+
 
   background(255);
+
void moveShape() {
   String t = "P.js";
+
 
   float tw = textWidth(t);
+
  //move center point
   fill(0);
+
 
  text(t, (width-tw)/2, (height+32)/2);
+
  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>
 
</processingjs>
 +
 +
[[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