// Script: Stars2
// (c) 2001, Danilov O.V. aka DO
// www: http://olegd.com
// email: dosoft@yandex.ru

var bgColor1="#000000";
var bgColor2="#000066";
var fgColor ="#ffffff";

// А это вариант для свтлого фона и красных "звезд"
//var bgColor1="#ffffff";
//var bgColor2="#aaaaaa";
//var fgColor ="#ff0000";

var cnt = prompt("Число звезд",150);
var fallingCnt = prompt("Число падающих звезд:",3);
var fallingSize = prompt("Размер падающих звезд:",40);

var doc = fw.getDocumentDOM();

// Создание фона

doc.addNewImage({ left:0, top:0, right:doc.width, bottom:doc.height }, true);
doc.setSelectionMask({ maskBounds:{ left:0, top:0, right:doc.width, bottom:doc.height }, maskKind:"rectangle", maskEdgeMode:"hard edge", featherAmount:0, maskData:null }, "replace");
doc.pathAttributes.fill = { category:"fc_Linear", ditherColors:[ "#000000", "#000000" ], edgeType:"antialiased", feather:0, gradient:{ name:"cn_Custom", nodes:[ { color:bgColor2, position:0 }, { color:bgColor1, position:1 } ] }, name:"fn_Normal", pattern:null, shape:"linear", stampingMode:"blend opaque", textureBlend:0, webDitherTransparent:false };
doc.fillSelectedPixels( {x:doc.width/4, y:doc.height*3/4}, {x:doc.width/4, y:doc.height*3/4}, {x:doc.width, y:0}, {x:doc.width, y:0}, false, 32, "hard edge", 0);

// Рисование звездочек

for (i=0;i<cnt;i++){
	var x = Math.random()*doc.width;
	var y = Math.random()*doc.height;
	var s = Math.random()*4+1;
	drawStar(x,y,s)
}

// Падающие звезды

doc.pathAttributes.fill = { category:"fc_Linear", ditherColors:[ "#000000", "#000000" ], edgeType:"antialiased", feather:0, gradient:{ name:"cn_Custom", nodes:[ { color:bgColor2, position:0 }, { color:fgColor, position:1 } ] }, name:"fn_Normal", pattern:null, shape:"linear", stampingMode:"blend opaque", textureBlend:0, webDitherTransparent:false };
doc.setSelectionMask({ maskBounds:{ left:0, top:0, right:fallingSize, bottom:1 }, maskKind:"rectangle", maskEdgeMode:"hard edge", featherAmount:0, maskData:null }, "replace");
doc.fillSelectedPixels( {x:0, y:0}, {x:0, y:0}, {x:fallingSize, y:0}, {x:0, y:0}, false, 32, "hard edge", 0);
doc.clipCopy();
doc.pathAttributes.fill = { category:"fc_Linear", ditherColors:[ "#000000", "#000000" ], edgeType:"antialiased", feather:0, gradient:{ name:"cn_Custom", nodes:[ { color:bgColor2, position:0 }, { color:bgColor1, position:1 } ] }, name:"fn_Normal", pattern:null, shape:"linear", stampingMode:"blend opaque", textureBlend:0, webDitherTransparent:false };
doc.fillSelectedPixels( {x:0, y:doc.height}, {x:0, y:doc.height}, {x:doc.width, y:0}, {x:doc.width, y:0}, false, 32, "hard edge", 0);

for (i=0;i<fallingCnt;i++){
	doc.clipPaste("ask user", "vector");
	doc.rotateSelection(45+Math.random()*90, "autoTrimImages transformAttributes");
	doc.moveSelectionBy({ x:Math.random()*doc.width, y:Math.random()*doc.height }, false, true);
}

doc.setSelectionMask(null, "replace");

function drawStar(x,y,s){
	doc.pathAttributes.brush = { alphaRemap:"none", angle:0, antiAliased:false, aspect:100, blackness:0, category:"bc_Pencil", concentration:100, diameter:s, feedback:"none", flowRate:0, maxCount:15, minSize:1, name:"1-Pixel Soft", shape:"circle", softenMode:"bell curve", softness:2, spacing:15, textureBlend:0, textureEdge:0, tipColoringMode:"random", tipCount:1, tipSpacing:0, tipSpacingMode:"random", type:"simple" };
	doc.pathAttributes.brushColor = fgColor;
	doc.addNewLine({x:x, y:y}, {x:x, y:y});
}