User:Lerc/Blur - Revision history

Lerc at 20:30, 12 February 2012

2012-02-12T20:30:29Z

2012-02-11T21:21:47Z

2012-02-11T01:54:06Z

2012-02-10T22:55:50Z

2012-02-10T22:23:13Z

Created page with "<edcode> </edcode>"

New page

@@ Line 1: / Line 1: @@
 <edcode>
 var imageSize = 256;
@@ Line 18: / Line 21: @@
        bytes[i++]=(ty)&0xff;
        bytes[i++]=((ty+tx)*-0.457)&0xff;
-       bytes[i++]=((Math.sqrt((128-tx)*(128-tx)+(128-ty)*(128-ty))*r) &0x3ff);
+       bytes[i++]=0;//((Math.sqrt((128-tx)*(128-tx)+(128-ty)*(128-ty))*r) &0x3ff);
+     }
+   }
+}
 function mix(source,dest) {
@@ Line 38: / Line 101: @@
        var down = readPixel(tx,ty+1);
        var left = readPixel(tx-1,ty);
-       var right = readPixel(tx-1,ty);
+       var right = readPixel(tx+1,ty);
        var here = readPixel(tx,ty);
        var alphasum = up.a+down.a+left.a+right.a+here.a;
@@ Line 47: / Line 110: @@
        var i =(ty*bufferWidth+tx)*4;
-       dest[i++]=red;
+       dest[i++]=red+0.5;
-       dest[i++]=green;
+       dest[i++]=green+0.5;
-       dest[i++]=blue;
+       dest[i++]=blue+0.5;
        dest[i++]=(alphasum==0)?0:255;;
+     }
+   }
+}
@@ Line 59: / Line 133: @@
 drawImageData(0,0,bufferWidth,bufferHeight,a);
 print("wibble");
-for (var i=0; i<30; i++) {
+seeds.push( {x:200, y:200, r:100, g:200, b:130} )
-   mix(a,b);
+for (var i=0; i<150;i++) {
-  mix(b,a);
+   seeds.push( {x:randInt(255),  y:randInt(255), r:randInt(255), g:randInt(255), b:randInt(255)} ) ;
+}
 drawImageData(0,0,bufferWidth,bufferHeight,b);

@@ Line 1: / Line 1: @@
 <edcode>
 var imageSize = 256;
@@ Line 21: / Line 22: @@
+   }
+}
 function mix(source,dest) {
-   var i=0,j=0;
+   function readPixel(x,y) {
    for (var ty=0;ty<bufferHeight;ty++) {
      for (var tx=0;tx<bufferWidth;tx++) {
-       dest[i++]=source[j++];
+       var up = readPixel(tx,ty-1);
-       dest[i++]=source[j++];
+      var down = readPixel(tx,ty+1);
-       dest[i++]=source[j++];
+      var left = readPixel(tx-1,ty);
-       dest[i++]=255;
+      var right = readPixel(tx-1,ty);
-       j++;
+      var here = readPixel(tx,ty);
+     }
+   }
@@ Line 39: / Line 59: @@
 drawImageData(0,0,bufferWidth,bufferHeight,a);
 print("wibble");
 mix(a,b);
 drawImageData(0,0,bufferWidth,bufferHeight,b);
 </edcode>

@@ Line 20: / Line 20: @@
+     }
+   }
+}
@@ Line 25: / Line 39: @@
 drawImageData(0,0,bufferWidth,bufferHeight,a);
 print("wibble");
 </edcode>

← Older revision		Revision as of 22:55, 10 February 2012
Line 1:		Line 1:
	<edcode>		<edcode>
		+	var imageSize = 256;
		+
		+	var bufferWidth=imageSize+2;
		+	var bufferHeight=bufferWidth;
		+	var bufferSize=bufferWidthbufferHeight4;
		+
		+	var a = new Uint8Array(bufferSize);
		+	var b = new Uint8Array(bufferSize);
		+
		+	function drawSomething(bytes) {
		+	var r=Math.sin(50/20)+2;
		+	var i=0;
		+	for (var ty=0;ty<bufferHeight;ty++) {
		+	for (var tx=0;tx<bufferWidth;tx++) {
		+	bytes[i++]=(tx*0.75)&0xff;
		+	bytes[i++]=(ty)&0xff;
		+	bytes[i++]=((ty+tx)*-0.457)&0xff;
		+	bytes[i++]=((Math.sqrt((128-tx)(128-tx)+(128-ty)(128-ty))*r) &0x3ff);
		+	}
		+	}
		+	}
		+
		+	drawSomething(a);
		+	drawImageData(0,0,bufferWidth,bufferHeight,a);
		+	print("wibble");

	</edcode>		</edcode>