比如要动态显示100条带颜色不同箭头的线:位置长度都数据已知,放一个XML内存对象里或者文件里,从其他程序生成,在服务器端,有URL。
<Line color="red" X="10" Y="20" Length="300"/>
<Line color="green" X="20" Y="45" Length="360"/>
<Line color="blue" X="15" Y="60" Length="400"/>
....
<Line color="red" X="10" Y="20" Length="300"/>
<Line color="green" X="20" Y="45" Length="360"/>
<Line color="blue" X="15" Y="60" Length="400"/>
....
data可以指定画线类型,想要什么线基本上都可以实现
this.points = [];
this.lines = false;
this.filled = false;
this.lineStyle = null;
this.t = eval(_target);
}
Shape.prototype.addPoint = function(x, y) {
this.points[this.points.length] = {x:x, y:y};
};
Shape.prototype.removePoint = function() {
this.points.pop();
};
Shape.prototype.draw = function(w, c, a) {
if (this.points.length>1) {
this.lineStyle = {w:w, c:c, a:a};
this.t.lineStyle(w, c, a);
var i = 0;
var l = this.points.length;
while (i<l) {
this.t.lineTo(this.points[i].x, this.points[i].y);
++i;
}
this.lines = true;
}
};
Shape.prototype.fill = function(c, a) {
if (this.points.length>1) {
if (this.lines) {
this.clear();
this.t.lineStyle(this.lineStyle.w, this.lineStyle.c, this.lineStyle.a);
} else {
this.t.lineStyle(0, 0xFFFFFF, 0);
if (this.filled) {
this.clear();
}
}
this.t.beginFill(c, a);
var i = 0;
var l = this.points.length;
while (i<l) {
this.t.lineTo(this.points[i].x, this.points[i].y);
++i;
}
this.t.endFill();
this.filled = true;
}
};
Shape.prototype.getX = function() {
if (this.points.length) {
return this.points[this.points.length-1].x;
}
};
Shape.prototype.getY = function() {
if (this.points.length) {
return this.points[this.points.length-1].y;
}
};
g = new Shape();
g.addPoint(0, 100);
g.addPoint(100, 100);
g.addPoint(100, 0);
g.addPoint(0, 0);
g.fill(0x339900, 100);
g.draw(5, 0x000000, 100);
--------------------------------------------------------------------------------一点到另一点画虚线- -
function DrawDottedLine(targetMC, linewidth, fromX, fromY, toX, toY) {
// targetMC: 目标MovieClip德InstanceName;
// linewidth: 线宽;
// fromX, fromY: 从(fromX, fromY)处开始画;
// toX, toY: 画到(toX, toY)处;
var x, y;
eval(targetMC).lineStyle(lineWidth, 0x000000, 100);
// 线的颜色是黑色(0x000000)
eval(targetMC).moveTo(fromX, fromY);
x = fromX;
y = fromY;
while (x<toX) {
x = x+4/(Math.sqrt((toY-fromY)*(toY-fromY)+(toX-fromX)*(toX-fromX)))*(toX-fromX);
y = y+4/(Math.sqrt((toY-fromY)*(toY-fromY)+(toX-fromX)*(toX-fromX)))*(toY-fromY);
eval(targetMC).lineTo(x, y);
x = x+4/(Math.sqrt((toY-fromY)*(toY-fromY)+(toX-fromX)*(toX-fromX)))*(toX-fromX);
y = y+4/(Math.sqrt((toY-fromY)*(toY-fromY)+(toX-fromX)*(toX-fromX)))*(toY-fromY);
eval(targetMC).moveTo(x, y);
}
}
createEmptyMovieClip("obj",1);//建一空影片
DrawDottedLine("_root.obj", 1, 10, 10, 200, 300);//调用函数
--------------------------------------------------------------------------------
两点画虚线- -
MovieClip.prototype.dashTo = function(startPoint, destPoint, dashLength, spaceLength) {
var x = destPoint.x-startPoint.x;
var y = destPoint.y-startPoint.y;
var hyp = Math.sqrt((x)*(x)+(y)*(y));
var units = hyp/(dashLength+spaceLength);
var dashSpaceRatio = dashLength/(dashLength+spaceLength);
var dashX = (x/units)*dashSpaceRatio;
var spaceX = (x/units)-dashX;
var dashY = (y/units)*dashSpaceRatio;
var spaceY = (y/units)-dashY;
this.moveTo(startPoint.x, startPoint.y);
while (hyp>0) {
startPoint.x += dashX;
startPoint.y += dashY;
hyp -= dashLength;
if (hyp<0) {
startPoint.x = destPoint.x;
startPoint.y = destPoint.y;
}
this.lineTo(startPoint.x, startPoint.y);
startPoint.x += spaceX;
startPoint.y += spaceY;
this.moveTo(startPoint.x, startPoint.y);
hyp -= spaceLength;
}
this.moveTo(destPoint.x, destPoint.y);
};
createEmptyMovieClip("DrawingSpace", 1);
with (DrawingSpace) {
lineStyle(0, 0x000000, 100);
dashTo({x:300, y:0}, {x:0, y:400}, 3, 10);
}
--------------------------------------------------------------------------------
鼠标画椭圆- -
createEmptyMovieClip("line", n);
with (line) {
lineStyle(0.1, 0x000000, 100);
moveTo(0, 0);
lineTo(100, 0);
lineTo(100, 100);
lineTo(0, 100);
lineTo(0,0);
line._visible = 0;
}
_root.onMouseDown = function() {
qidian_x = _root._xmouse;
qidian_y = _root._ymouse;
with (line) {
_x = qidian_x;
_y = qidian_y;
_xscale = 0;
_yscale = 0;
_visible = 1;
}
};
_root.onMouseMove = function() {
endX = _root._xmouse;
endY = _root._ymouse;
if (_root.line != "_root.line" && key.isdown(16)) {
if (Math.abs(endX-qidian_x)>Math.abs(endY-qidian_y)) {
setProperty(_root.line, _xscale, endX-qidian_x);
setProperty(_root.line, _yscale, endX-qidian_x);
} else {
setProperty(_root.line, _xscale, endY-qidian_y);
setProperty(_root.line, _yscale, endY-qidian_y);
}
} else {
setProperty(_root.line, _xscale, endX-qidian_x);
setProperty(_root.line, _yscale, endY-qidian_y);
}
};
_root.onMouseUp = function() {
if (_root._xmouse-qidian_x != 0) {
i++;
Objectx = "Copy" add i;
duplicateMovieClip(_root.line, Objectx, i);
setProperty(Objectx, _x, qidian_x);
setProperty(Objectx, _y, qidian_y);
_root.i = i;
}
setProperty(_root.line, _visible, 0);
};
--------------------------------------------------------------------------------鼠标画矩形- -
createEmptyMovieClip("line", n);
with (line) {
lineStyle(0.1, 0x000000, 100);
moveTo(0, 0);
lineTo(100, 0);
lineTo(100, 100);
lineTo(0, 100);
lineTo(0,0);
line._visible = 0;
}
_root.onMouseDown = function() {
qidian_x = _root._xmouse;
qidian_y = _root._ymouse;
with (line) {
_x = qidian_x;
_y = qidian_y;
_xscale = 0;
_yscale = 0;
_visible = 1;
}
};
_root.onMouseMove = function() {
endX = _root._xmouse;
endY = _root._ymouse;
if (_root.line != "_root.line" && key.isdown(16)) {
if (Math.abs(endX-qidian_x)>Math.abs(endY-qidian_y)) {
setProperty(_root.line, _xscale, endX-qidian_x);
setProperty(_root.line, _yscale, endX-qidian_x);
} else {
setProperty(_root.line, _xscale, endY-qidian_y);
setProperty(_root.line, _yscale, endY-qidian_y);
}
} else {
setProperty(_root.line, _xscale, endX-qidian_x);
setProperty(_root.line, _yscale, endY-qidian_y);
}
};
_root.onMouseUp = function() {
if (_root._xmouse-qidian_x != 0) {
i++;
Objectx = "Copy" add i;
duplicateMovieClip(_root.line, Objectx, i);
setProperty(Objectx, _x, qidian_x);
setProperty(Objectx, _y, qidian_y);
_root.i = i;
}
setProperty(_root.line, _visible, 0);
};
--------------------------------------------------------------------------------
用鼠标任意画直线- -
createEmptyMovieClip("line", n);
with (line) {
lineStyle(1, 0x000000, 100);
moveTo(0, 0);
lineTo(100, 100);
line._visible = 0;
}
_root.onMouseDown = function() {
qidian_x = _root._xmouse;
qidian_y = _root._ymouse;
with (line) {
_x = qidian_x;
_y = qidian_y;
_xscale = 0;
_yscale = 0;
_visible = 1;
}
};
_root.onMouseMove = function() {
endX = _root._xmouse;
endY = _root._ymouse;
if (_root.line != "_root.line" && key.isdown(16)) {
if (Math.abs(endX-qidian_x)>Math.abs(endY-qidian_y)) {
setProperty(_root.line, _xscale, endX-qidian_x);
setProperty(_root.line, _yscale, endX-qidian_x);
} else {
setProperty(_root.line, _xscale, endY-qidian_y);
setProperty(_root.line, _yscale, endY-qidian_y);
}
} else {
setProperty(_root.line, _xscale, endX-qidian_x);
setProperty(_root.line, _yscale, endY-qidian_y);
}
};
_root.onMouseUp = function() {
if (_root._xmouse-qidian_x != 0) {
i++;
Objectx = "Copy" add i;
duplicateMovieClip(_root.line, Objectx, i);
setProperty(Objectx, _x, qidian_x);
setProperty(Objectx, _y, qidian_y);
_root.i = i;
}
setProperty(_root.line, _visible, 0);
};
--------------------------------------------------------------------------------
鼠标任意画线- -
createEmptyMovieClip("xian",1);
with (xian) {
_root.onMouseMove = function() {
if (draw) {
_root.lineStyle(0, 0x000000, 100);
_root.lineTo(_root._xmouse, _root._ymouse);
}
};
_root.onMouseDown = function() {
draw = true;
_root.moveTo(_root._xmouse, _root._ymouse);
};
_root.onMouseUp = function() {
draw = false;
};
}
point[0] = [100, 200];
point[1] = [300, 300];
point[2] = [100, 100];
point[3] = [200, 400];
var x = point[0][0];
var y = point[0][1];
var i = 1;
createEmptyMovieClip("line", 1);
line.lineStyle(1, 0x0000FF, 100);
line.moveTo(point[0][0], point[0][1]);
line.onEnterFrame = function() {
if (x != point[0] && y != point[1]) {
x = (x < point[0]) ? (x + 1) : (x - 1);
y = (x-point[i-1][0])*(point[1]-point[i-1][1])/(point[0]-point[i-1][0])+point[i-1][1];
this.lineTo(x, y);
} else if (x != point[0]) {
x = (x < point[0]) ? (x + 1) : (x - 1);
this.lineTo(x, y);
} else if (y != point[1]) {
y = (x < point[1]) ? (y + 1) : (y - 1);
this.lineTo(x, y);
} else if (i < point.length - 1) {
i++;
} else {
delete this.onEnterFrame;
}
};
2.使用graphicso类绘图。
myShape.graphics.lineStyle(2, 0x990000, .75);
myShape.graphics.moveTo(100, 100);
myShape.graphics.lineTo(200, 200);