new experimental support for processing scripts

a -p flag is added on commandline to run .pde scripts directly
it makes use of the included processing.js glue
a new scripts/processing directory is added with some examples to experiment with
so far only a few processing scripts work

scripts/javascript/examples/processing_test.js

@@ -1,20 +0,0 @@
-// simple loader of a processing script
-
-include("processing.js");
-
-scr = new Screen("sdl");
-if (!scr.is_initialized()) {
-    scr.init(800,600);
-    add_screen(scr);
-} 
-
-script = read_file("/home/jaromil/devel/freej/scripts/javascript/examples/ventaglio.pjs");
-//script = read_file("/home/jaromil/devel/freej/scripts/javascript/examples/simple.processing");
-//script = read_file("/home/jaromil/devel/freej/scripts/javascript/examples/recursion.pjs");
-//script = read_file("/home/jaromil/devel/freej/scripts/javascript/examples/sinewave.pjs");
-//script = read_file("/home/jaromil/devel/freej/scripts/javascript/examples/colorwheel.pjs");
-//script = read_file("/home/jaromil/devel/freej/scripts/javascript/examples/setupdraw.pjs");
-
-
-Processing(script);
-

scripts/javascript/examples/recursion.pjs

@@ -1,26 +0,0 @@
-// All Examples Written by Casey Reas and Ben Fry
-// unless otherwise stated.
-void setup() 
-{
-  size(200, 200);
-  noStroke();
-  smooth();
-  drawCircle(100, 100, 80, 8);
-}
-
-void drawCircle(float x, float y, int radius, int level) 
-{                    
-  float tt = 126 * level/6.0;
-  fill(tt, 153);
-  ellipse(x, y, radius*2, radius*2);      
-  if(level > 1) {
-    level = level - 1;
-    int num = int(random(2, 6));
-    for(int i=0; i<num; i++) {
-      float a = random(0, TWO_PI);
-      float nx = x + cos(a) * 6.0 * level;
-      float ny = y + sin(a) * 6.0 * level;
-      drawCircle(nx, ny, radius/2, level);
-    }
-  }
-}

scripts/javascript/examples/setupdraw.pjs

@@ -1,26 +0,0 @@
-// All Examples Written by Casey Reas and Ben Fry
-// unless otherwise stated.
-// The statements in the setup() function 
-// execute once when the program begins
-void setup() 
-{
-  size(200, 200);  // Size should be the first statement
-  stroke(255);     // Set line drawing color to white
-  frameRate(30);
-}
-
-float y = 100;
-
-// The statements in draw() are executed until the 
-// program is stopped. Each statement is executed in 
-// sequence and after the last line is read, the first 
-// line is executed again.
-void draw() 
-{ 
-  background(0);   // Set the background to black
-  y = y - 1; 
-  if (y < 0) { y = height; } 
-  line(0, y, width, y);  
-  echo("y = " + y);
-
-}

scripts/javascript/examples/sinewave.pjs

@@ -1,49 +0,0 @@
-// All Examples Written by Casey Reas and Ben Fry
-// unless otherwise stated.
-int xspacing = 8;   // How far apart should each horizontal location be spaced
-int w;              // Width of entire wave
-
-float theta = 0.0;       // Start angle at 0
-float amplitude = 75.0;  // Height of wave
-float period = 500.0;    // How many pixels before the wave repeats
-float dx;                 // Value for incrementing X, to be calculated as a function of period and xspacing
-float[] yvalues;          // Using an array to store height values for the wave (not entirely necessary)
-
-void setup() {
-  size(200,200);
-  frameRate(30);
-  colorMode(RGB,255,255,255,100);
-  smooth();
-  w = width+16;
-  dx = (TWO_PI / period) * xspacing;
-  yvalues = new float[w/xspacing];
-}
-
-void draw() {
-  background(0);
-  calcWave();
-  renderWave();
-
-}
-
-void calcWave() {
-  // Increment theta (try different values for 'angular velocity' here
-  theta += 0.02;
-
-  // For every x value, calculate a y value with sine function
-  float x = theta;
-  for (int i = 0; i < yvalues.length; i++) {
-    yvalues[i] = sin(x)*amplitude;
-    x+=dx;
-  }
-}
-
-void renderWave() {
-  // A simple way to draw the wave with an ellipse at each location
-  for (int x = 0; x < yvalues.length; x++) {
-    noStroke();
-    fill(255,50);
-    ellipseMode(CENTER);
-    ellipse(x*xspacing,width/2+yvalues[x],16,16);
-  }
-}

scripts/javascript/examples/ventaglio.pjs

@@ -1,30 +0,0 @@
-
-
-int W = 400;
-int H = 300;
-int cycle = 0;
-int count = 0;
-void setup() { 
-    size(W,H);
-    background(0);
-    smooth();
-};
-void draw(){
-    if(cycle > 5) {
-	cycle = 0;
-	stroke(floor(random(255)), 
-	       floor(random(255)),
-	       floor(random(255)), 60 );
-    };
-    if(count > 799) {   
-	count = 0; 
-    };
-    for (int i = 0; i < 100; i++) {  
-	float r = random(2); 
-	strokeWeight(r);
-	float offset = r * count;  
-	line(i-20, H, i+offset, 0); 
-    } 
-    cycle++;  
-    count+=5;
-}