pic_paint


	#VRML V2.0 utf8

	

	Viewpoint {}

	

	NavigationInfo {
	
	type "EXAMINE"

	
	}

	

	# 箱

	Shape {
	
	appearance Appearance {
	
	texture DEF PT PixelTexture {}

	
	}

	geometry Box {}

	
	}

	

	# テクスチャー作成スクリプト

	DEF Sc Script {
	
	eventOut SFImage image

	field SFInt32 dt 64             # テクスチャの1辺のピクセル数

	field SFColor red 1.0 0.3 0.3   # 赤色

	field SFColor grn 0.3 1.0 0.3   # 緑色

	field SFColor blu 0.3 0.3 1.0   # 青色

	field SFColor yel 1.0 1.0 0.2   # 黄色

	field SFColor blk 0.0 0.0 0.0   # 黒色

	field SFColor colB 0.5 0.2 0.2  # テクスチャーの背景色

	url "javascript:
	
	

	// SFColorオブジェクトを 0 から 0xFFFFFF の間の整数に変換する為の関数。

	function SFColor2Int (c) {
	
	

	var r = Math.floor ( c.r * 255 );

	var g = Math.floor ( c.g * 255 );

	var b = Math.floor ( c.b * 255 );

	

	return r * 65536 + g * 256 + b;

	

	
	}

	

	function initialize () {
	
	

	var rColor = SFColor2Int ( red );

	var gColor = SFColor2Int ( grn );

	var bColor = SFColor2Int ( blu );

	var yColor = SFColor2Int ( yel );

	var bkColor = SFColor2Int ( blk );

	var bgColor = SFColor2Int ( colB );

	var ary = new MFInt32 ();

	var px = dt * dt;

	

	// テクスチャー全体を bgColor の色で塗る。

	for ( var i = 0; i < px; i++ ) ary[i] = bgColor;

	

	var x0 = dt / 4;

	var y0 = dt / 4;

	var x1 = dt * 3 / 4;

	var y1 = dt * 3 / 4;

	

	// 緑と青の横線を描く。

	for ( var s = x0; s <= x1; s++ ) {
	
	ary[ s + y0 * dt ] = gColor;

	ary[ s + y1 * dt ] = bColor;

	
	}

	// 赤と黄の縦線を描く。

	for ( var t = y0; t <= y1; t++ ) {
	
	ary[ x0 + t * dt ] = rColor;

	ary[ x1 + t * dt ] = yColor;

	
	}

	

	// 中央を黒い四角形で塗る。

	for ( t = y0 + 1; t < y1; t++ ) {
	
	for ( s = x0 + 1; s < x1; s++ ) {
	
	ary[ s + t * dt ] = bkColor;

	
	}

	
	}

	

	image = new SFImage ( dt, dt, 3, ary );

	

	
	}

	
	"

	
	}

	

	ROUTE Sc.image TO PT.image