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ats_cam_script
Commit f9173440 authored by Scott Sun's avatar Scott Sun
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parent 9e0658fe
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rout/ATS_rout_break_connect.js
View file @ f9173440
...@@ -117,39 +117,48 @@ try { ...@@ -117,39 +117,48 @@ try {
throw "没有找到工作层" throw "没有找到工作层"
} }
var drls = getLayer({layer_type:"drill", context:"board"})
var specialAttr = ".drill_noopt"
stepList.forEach(function (step) { stepList.forEach(function (step) {
// GEN.openStep({ job: job, name: step }); GEN.openStep({ job: job, name: step });
// GEN.clearLayers(); //清除层显示 GEN.clearLayers(); //清除层显示
// GEN.affectedLayer({ mode: 'all', affected: 'no' }); //设置影响层全部不影响 GEN.affectedLayer({ mode: 'all', affected: 'no' }); //设置影响层全部不影响
// GEN.COM("sel_options,clear_mode=clear_after,display_mode=all_layers,area_inout=inside,area_select=select,select_mode=standard,area_touching_mode=exclude"); GEN.COM("sel_options,clear_mode=clear_after,display_mode=all_layers,area_inout=inside,area_select=select,select_mode=standard,area_touching_mode=exclude");
// GEN.units({ type: par.units }); //单位初始化 GEN.units({ type: par.units }); //单位初始化
// GEN.zoomHome(); //窗口显示回到原始位置 GEN.zoomHome(); //窗口显示回到原始位置
// GEN.selClearFeature() GEN.selClearFeature()
workLayers.forEach(function (layer) { workLayers.forEach(function (layer) {
// todo GEN.workLayer({name:layer, clear_before:"yes"})
// 前处理 将特殊钻孔和层的线弧拷贝到辅助层 // 前处理 将特殊钻孔和层的线弧拷贝到辅助层
drls.forEach(function (drl) {
GEN.workLayer({name:drl, clear_before:"yes"})
GEN.selectByFilter({feat_types:"pad", attribute:specialAttr})
if(GEN.getSelectCount() > 0) {
GEN.selCopyOther({dest:"layer_name", target_layer:layer})
}
})
GEN.workLayer({name:layer, clear_before:"yes"})
delLayer(["tmp", layer+"_tmp"])
// 1. 找特殊钻孔 计算特殊钻孔间距 小于xxx的为一组 // 1. 找特殊钻孔 计算特殊钻孔间距 小于xxx的为一组
layer = GEN.getWorkLayer() GEN.selectByFilter({feat_types:"pad", attribute:specialAttr})
GEN.selectByFilter({feat_types:"pad", attribute:".smd"})
if(GEN.getSelectCount() > 0) { if(GEN.getSelectCount() > 0) {
var feats = GEN.getFeatures({job:job, step:step, layer:layer, units:"mm", options:"select+feat_index"}) var feats = GEN.getFeatures({job:job, step:step, layer:layer, units:"mm", options:"select+feat_index"})
GEN.selClearFeature(); GEN.selClearFeature()
feats.forEach(function (feat) { feats.forEach(function (feat, i1) {
feats.forEach(function (feat2) { feats.forEach(function (feat2, i2) {
if(feat.index != feat2.index) { if(feat.index != feat2.index && i2 > i1) {
var p2p = Math.sqrt((feat2.x - feat.x)*(feat2.x - feat.x) + (feat2.y - feat.y)*(feat2.y - feat.y)) var p2p = Math.sqrt((feat2.x - feat.x)*(feat2.x - feat.x) + (feat2.y - feat.y)*(feat2.y - feat.y))
if(p2p > 2 && p2p < 5) { if(p2p > 2 && p2p < 5) {
GEN.workLayer({name:layer, clear_before:"yes"}) GEN.workLayer({name:layer, clear_before:"yes"})
GEN.selLayerFeat({layer:layer, index:feat.index,operation:"select"}) GEN.selLayerFeat({layer:layer, index:feat.index,operation:"select"})
GEN.selLayerFeat({layer:layer, index:feat2.index,operation:"select"}) GEN.selLayerFeat({layer:layer, index:feat2.index,operation:"select"})
delLayer(["tmp"])
GEN.selCopyOther({dest:"layer_name", target_layer:"tmp", size: 2000}) GEN.selCopyOther({dest:"layer_name", target_layer:"tmp", size: 2000})
GEN.workLayer({name:"tmp", clear_before:"yes"}) GEN.workLayer({name:"tmp", clear_before:"yes"})
GEN.PAUSE(0)
GEN.selRefFeat({layers: layer, use:"filter", mode:"touch"}) GEN.selRefFeat({layers: layer, use:"filter", mode:"touch"})
if(GEN.getSelectCount() > 0) { if(GEN.getSelectCount() > 0) {
var line = {xs:feat.x, ys:feat.y, xe:feat2.x, ye: feat2.y, symbol:"r10" } var line = {xs:feat.x-0, ys:feat.y-0, xe:feat2.x-0, ye: feat2.y-0, symbol:"r10" }
var lineLen = p2p var lineLen = p2p
var k = (line.xe-line.xs)/(line.ye-line.ys) var k = (line.xe-line.xs)/(line.ye-line.ys)
var q = (line.ye-line.ys)/(line.xe-line.xs) var q = (line.ye-line.ys)/(line.xe-line.xs)
...@@ -161,7 +170,16 @@ try { ...@@ -161,7 +170,16 @@ try {
GEN.selectByFilter({feat_types:"line"}) GEN.selectByFilter({feat_types:"line"})
GEN.COM("sel_transform,mode=anchor,oper=rotate,duplicate=no,x_anchor="+lineCenter.x+",y_anchor="+lineCenter.y GEN.COM("sel_transform,mode=anchor,oper=rotate,duplicate=no,x_anchor="+lineCenter.x+",y_anchor="+lineCenter.y
+",angle=90,x_scale=1,y_scale=1,x_offset=0,y_offset=0") +",angle=90,x_scale=1,y_scale=1,x_offset=0,y_offset=0")
GEN.selectByFilter({feat_types:"line"})
GEN.selReverse()
if(GEN.getSelectCount() > 0) {
GEN.selDelete()
}
GEN.workLayer({name:layer, clear_before:"yes"}) GEN.workLayer({name:layer, clear_before:"yes"})
GEN.selectByFilter({attribute:".imp_line"})
if(GEN.getSelectCount() > 0) {
GEN.selDelete()
}
GEN.selRefFeat({layers:"tmp", use:"filter", mode:"touch"}) GEN.selRefFeat({layers:"tmp", use:"filter", mode:"touch"})
GEN.selectByFilter({feat_types:"pad\;text\;arc\;surface", operation:"unselect"}) GEN.selectByFilter({feat_types:"pad\;text\;arc\;surface", operation:"unselect"})
if(GEN.getSelectCount() > 0) { if(GEN.getSelectCount() > 0) {
...@@ -169,38 +187,57 @@ try { ...@@ -169,38 +187,57 @@ try {
// 获取ines里面最大的symbol // 获取ines里面最大的symbol
var ls = []; var ls = [];
lines.forEach(function (l) { lines.forEach(function (l) {
var l_k = (l.xe-l.xs)/(l.ye-l.ys)
if(Math.abs(l_k-k) < 0.001) {
var p2l = p2line(lineCenter.x, lineCenter.y, l.xs,l.ys,l.xe,l.ye) var p2l = p2line(lineCenter.x, lineCenter.y, l.xs,l.ys,l.xe,l.ye)
if (p2l > 0.001) { if (p2l > 0.001) {
var xmid = l.xs + (l.xe - l.xs) / 2
var ymid = l.ys + (l.ye - l.ys) / 2
ls.push({ ls.push({
p2l:p2l, l:l p2l:p2l, l:l,
symbol: l.symbol,
xmid:xmid, ymid:ymid
}) })
} }
}
}) })
GEN.selClearFeature()
if(ls && ls.length) { if(ls && ls.length) {
var length = ls[0].p2l ls.forEach(function (lsv) {
var line = {xs:feat.x, ys:feat.y, xe:feat2.x, ye: feat2.y, symbol:"r420" } var length = lsv.p2l
var xChange = (line.xe-line.xs)*(length/p2p) var line = {xs:feat.x-0, ys:feat.y-0, xe:feat2.x-0, ye: feat2.y-0, symbol:lsv.symbol }
var yChange = (line.ye-line.ys)*(length/p2p) var yChange = (line.xe-line.xs)*(length/p2p)
var xChange = (line.ye-line.ys)*(length/p2p)
GEN.addLine({xs:feat.x+xChange, ys:feat.y+yChange, xe:feat2.x+xChange, ye: feat2.y+yChange, symbol:"r420" , attributes:".imp_line"}); GEN.addLine({xs:feat.x-0+xChange, ys:feat.y-0+yChange, xe:feat2.x-0+xChange, ye: feat2.y-0+yChange, symbol:"r420" , attributes:".imp_line"});
GEN.addLine({xs:feat.x-xChange, ys:feat.y-yChange, xe:feat2.x-xChange, ye: feat2.y-yChange, symbol:"r420" , attributes:".imp_line"}); GEN.addLine({xs:feat.x-0-xChange, ys:feat.y-0-yChange, xe:feat2.x-0-xChange, ye: feat2.y-yChange, symbol:"r420" , attributes:".imp_line"});
})
GEN.selectByFilter({attribute:".imp_line"})
GEN.selRefFeat({layers:layer, use:"select", mode:"cover"})
GEN.selectByFilter({feat_types:"pad\;text\;arc\;surface", operation:"unselect"})
if(GEN.getSelectCount() > 0) {
GEN.selMoveOther({target_layer:layer+"_tmp"})
} }
GEN.selectByFilter({attribute:".imp_line"})
if(GEN.getSelectCount() > 0) {
GEN.selDelete()
}
// todo ls 循环 incam特殊命令点选
ls.forEach(function (lsv) {
var xmid = lsv.xmid
var ymid = lsv.ymid
GEN.COM("sel_single_feat,operation=select,x="+xmid+",y="+ymid+",cyclic=yes")
})
} }
GEN.PAUSE(0) }
} }
} }
} }
}) })
}) })
GEN.workLayer({name:layer, clear_before:"yes"})
GEN.selectByFilter({feat_types:"pad", attribute:specialAttr})
if(GEN.getSelectCount() > 0) {
GEN.selDelete()
}
} }
......
rout/ATS_rout_optimize_connect.js
View file @ f9173440
...@@ -152,53 +152,49 @@ try { ...@@ -152,53 +152,49 @@ try {
GEN.affectedLayer({ mode: 'all', affected: 'no' }); //设置影响层全部不影响 GEN.affectedLayer({ mode: 'all', affected: 'no' }); //设置影响层全部不影响
GEN.COM("sel_options,clear_mode=clear_after,display_mode=all_layers,area_inout=inside,area_select=select,select_mode=standard,area_touching_mode=exclude"); GEN.COM("sel_options,clear_mode=clear_after,display_mode=all_layers,area_inout=inside,area_select=select,select_mode=standard,area_touching_mode=exclude");
GEN.units({ type: par.units }); //单位初始化 GEN.units({ type: par.units }); //单位初始化
GEN.zoomHome(); //窗口显示回到原始位置 // GEN.zoomHome(); //窗口显示回到原始位置
GEN.selClearFeature() GEN.selClearFeature()
workLayers.forEach(function(layer){ workLayers.forEach(function(layer){
GEN.workLayer({name:layer, clear_before:"yes"}) GEN.workLayer({name:layer, clear_before:"yes"})
var retCount;
var indexObj = {}
var oldIndex = {}
for (var index = 0; index < 5; index++) {
var feats = GEN.getFeatures({job:job, step:step, layer:layer, units:"mm", options:"feat_index"}) var feats = GEN.getFeatures({job:job, step:step, layer:layer, units:"mm", options:"feat_index"})
feats = feats.filter(function (feat) { feats = feats.filter(function (feat) {
return feat.type == "line" || feat.type == "arc" return feat.type == "line" || feat.type == "arc"
});
if(index == 0) {
feats.forEach(function (params) {
oldIndex[params.index] = true
}) })
}
var ret = []; var ret = [];
var indexObj = {}
var keys = {} var keys = {}
feats.forEach(function (feat) {
var x = feat.xs + (feat.xe - feat.xs) / 2
var y = feat.ys + (feat.ye - feat.ys) / 2
keys[x+ "_" + y] = true
})
feats.forEach(function (feat1, i) { feats.forEach(function (feat1, i) {
// feat1 不要是迭代后的新index
if(oldIndex[feat1.index]) {
for (var i2 = i+1; i2 < feats.length; i2++) { for (var i2 = i+1; i2 < feats.length; i2++) {
var feat2 = feats[i2] var feat2 = feats[i2]
if(feat2 && lineLength(feat1) > 0.2 && lineLength(feat2) > 0.2) { if(feat2 && lineLength(feat1) > 0.2 && lineLength(feat2) > 0.2) {
var len1 = p2p({x1: feat1.xs, y1:feat1.ys, x2:feat2.xs ,y2:feat2.ys}) var len1 = PointToLineDistance(feat1.xs, feat1.ys, feat2.xs,feat2.ys,feat2.xe,feat2.ye)
var len2 = p2p({x1: feat1.xs, y1:feat1.ys, x2:feat2.xe ,y2:feat2.ye}) var len2 = PointToLineDistance(feat1.xe, feat1.ye, feat2.xs,feat2.ys,feat2.xe,feat2.ye)
var len3 = p2p({x1: feat1.xe, y1:feat1.ye, x2:feat2.xs ,y2:feat2.ys}) var len3 = PointToLineDistance(feat2.xs, feat2.ys, feat1.xs,feat1.ys,feat1.xe,feat1.ye)
var len4 = p2p({x1: feat1.xe, y1:feat1.ye, x2:feat2.xe ,y2:feat2.ye}) var len4 = PointToLineDistance(feat2.xe, feat2.ye, feat1.xs,feat1.ys,feat1.xe,feat1.ye)
if(FlagTolerance(len1) || FlagTolerance(len2) || FlagTolerance(len3) || FlagTolerance(len4)) { if((FlagTolerance(len1[0])&&!pinLine({x:feat1.xs, y:feat1.ys}, feats, [feat1.index, feat2.index]))
var flag = true || (FlagTolerance(len2[0])&&!pinLine({x:feat1.xe, y:feat1.ye}, feats, [feat1.index, feat2.index]))
var midx; || (FlagTolerance(len3[0])&&!pinLine({x:feat2.xs, y:feat2.ys}, feats, [feat1.index, feat2.index]))
var midy; || (FlagTolerance(len4[0])&&!pinLine({x:feat2.xe, y:feat2.ye}, feats, [feat1.index, feat2.index]))) {
if (FlagTolerance(len1)) { var key;
midx = feat1.xs + (feat2.xs - feat1.xs)/2 if((feat1.index-0) > (feat2.index-0)) {
midy = feat1.ys + (feat2.ys - feat1.ys)/2 key = feat1.index + "_" + feat2.index
} else if (FlagTolerance(len2)) { } else {
midx = feat1.xs + (feat2.xe - feat1.xs)/2 key = feat2.index + "_" + feat1.index
midy = feat1.ys + (feat2.ye - feat1.ys)/2 }
} else if (FlagTolerance(len3)) { if (!keys[key]) {
midx = feat1.xe + (feat2.xs - feat1.xe)/2
midy = feat1.ye + (feat2.ys - feat1.ye)/2
} else if (FlagTolerance(len4)) {
midx = feat1.xe + (feat2.xe - feat1.xe)/2
midy = feat1.ye + (feat2.ye - feat1.ye)/2
}
var key = midx + "_" + midy
if (!indexObj[feat1.index] && !indexObj[feat2.index] && flag && !keys[key]) { keys[key] = true
indexObj[feat1.index] = true
indexObj[feat2.index] = true
ret.push({ ret.push({
feat1: feat1, feat1: feat1,
feat2: feat2, feat2: feat2,
...@@ -207,8 +203,8 @@ try { ...@@ -207,8 +203,8 @@ try {
} }
} }
} }
}) }
});
if(ret.length > 0) { if(ret.length > 0) {
// 1. 判断两个线是否有角度 或者是否有弧 // 1. 判断两个线是否有角度 或者是否有弧
// 选中执行命令 // 选中执行命令
...@@ -216,27 +212,72 @@ try { ...@@ -216,27 +212,72 @@ try {
var feat1 = item.feat1 var feat1 = item.feat1
var feat2 = item.feat2 var feat2 = item.feat2
var flag = true; var flag = true;
// if(feat1.type == "arc" || feat2.type == "arc") { if(flag && !indexObj[feat1.index] && !indexObj[feat2.index]) {
// flag = true
// } else if (Math.abs((feat1.xe - feat1.xs)/(feat1.ye-feat1.ye) - (feat2.xe - feat2.xs)/(feat2.ye-feat2.ye)) <= 0.001) {
// flag = true
// }
if(flag) {
GEN.selLayerFeat({layer:layer, index:feat1.index,operation:"select"}) GEN.selLayerFeat({layer:layer, index:feat1.index,operation:"select"})
GEN.selLayerFeat({layer:layer, index:feat2.index,operation:"select"}) GEN.selLayerFeat({layer:layer, index:feat2.index,operation:"select"})
if(GEN.getSelectCount() == 2) { if(GEN.getSelectCount() == 2 ) {
// GEN.PAUSE(0) GEN.COM("sel_design2rout,det_tol="+data.tolerance+",con_tol="+data.tolerance+",rad_tol=10")
// GEN.COM("sel_design2rout,det_tol="+data.tolerance+",con_tol="+data.tolerance+",rad_tol=10") indexObj[feat1.index] = true
// GEN.PAUSE(1) indexObj[feat2.index] = true
}
GEN.selClearFeature()
}
})
} else {
break
} }
// GEN.selClearFeature()
} }
{
var feats = GEN.getFeatures({job:job, step:step, layer:layer, units:"mm", options:"feat_index"})
feats = feats.filter(function (feat) {
return feat.type == "line" || feat.type == "arc"
});
var ret = [];
var keys = {}
feats.forEach(function (feat1, i) {
for (var i2 = i+1; i2 < feats.length; i2++) {
var feat2 = feats[i2]
if(feat2 && lineLength(feat1) > 0.2 && lineLength(feat2) > 0.2) {
var len1 = PointToLineDistance(feat1.xs, feat1.ys, feat2.xs,feat2.ys,feat2.xe,feat2.ye)
var len2 = PointToLineDistance(feat1.xe, feat1.ye, feat2.xs,feat2.ys,feat2.xe,feat2.ye)
var len3 = PointToLineDistance(feat2.xs, feat2.ys, feat1.xs,feat1.ys,feat1.xe,feat1.ye)
var len4 = PointToLineDistance(feat2.xe, feat2.ye, feat1.xs,feat1.ys,feat1.xe,feat1.ye)
if((FlagTolerance(len1[0])&&!pinLine({x:feat1.xs, y:feat1.ys}, feats, [feat1.index, feat2.index], true))
|| (FlagTolerance(len2[0])&&!pinLine({x:feat1.xe, y:feat1.ye}, feats, [feat1.index, feat2.index], true))
|| (FlagTolerance(len3[0])&&!pinLine({x:feat2.xs, y:feat2.ys}, feats, [feat1.index, feat2.index], true))
|| (FlagTolerance(len4[0])&&!pinLine({x:feat2.xe, y:feat2.ye}, feats, [feat1.index, feat2.index], true))) {
var key;
if((feat1.index-0) > (feat2.index-0)) {
key = feat1.index + "_" + feat2.index
} else {
key = feat2.index + "_" + feat1.index
}
if (!keys[key]) {
keys[key] = true
ret.push({
feat1: feat1,
feat2: feat2,
}) })
GEN.PAUSE(0) }
}
}
} }
}) })
GEN.selClearFeature()
if(ret.length > 0) {
ret.forEach(function (item) {
var feat1 = item.feat1
var feat2 = item.feat2
GEN.selLayerFeat({layer:layer, index:feat1.index,operation:"select"})
GEN.selLayerFeat({layer:layer, index:feat2.index,operation:"select"})
})
GEN.PAUSE("check not optimize lines")
}
}
})
GEN.affectedLayer({ mode: 'all', affected: 'no' }); //设置影响层全部不影响 GEN.affectedLayer({ mode: 'all', affected: 'no' }); //设置影响层全部不影响
GEN.clearLayers(); //清除层显示 GEN.clearLayers(); //清除层显示
...@@ -245,7 +286,7 @@ try { ...@@ -245,7 +286,7 @@ try {
function FlagTolerance(len) { function FlagTolerance(len) {
return len > 0 && len <= data.tolerance/1000 return len > 0.001 && len <= data.tolerance/1000
} }
// 保存料号 // 保存料号
...@@ -338,3 +379,212 @@ function p2p(props) { ...@@ -338,3 +379,212 @@ function p2p(props) {
var y2 = props.y2 var y2 = props.y2
return Math.sqrt((x2-x1) * (x2-x1) + (y2-y1) * (y2-y1)) return Math.sqrt((x2-x1) * (x2-x1) + (y2-y1) * (y2-y1))
} }
function pinLine(p, lines, is, flag) { // 点在线上
var line;
var len = lines.length;
// if(flag && is[0] == "462" && is[1] == "470") {
// IKM.msg(is)
// fs.writeFile("D:/vsCodeWork/test/tmp1.js", _.toString({
// p:p, lines:lines, is:is
// }))
// }
for (var index = 0; index < len; index++) {
if(lines[index].index != is[0] && lines[index].index != is[1]) {
var xs = lines[index].xs
var ys = lines[index].ys
var xe = lines[index].xe
var ye = lines[index].ye
if((p.x == xs && p.y ==ys) || (p.x == xe && p.y ==ye)){
line = lines[index]
break
} else if(Math.abs(ye-ys) <= 0.001 && Math.abs(ye-p.y)<= 0.001) {
line = lines[index]
break
} else if(Math.abs(xe-xs) <= 0.001 && Math.abs(xe-p.x)<= 0.001) {
line = lines[index]
break
} else if(Math.abs((xs-xe)/(ys-ye) - (p.x-xe)/(p.y-ye)) <= 0.0001) {
line = lines[index]
break
}
}
}
// if(!line) {
// GEN.selLayerFeat({layer:GEN.getWorkLayer(), index:is[0],operation:"select"})
// GEN.selLayerFeat({layer:GEN.getWorkLayer(), index:is[1],operation:"select"})
// fs.writeFile("D:/vsCodeWork/test/tmp1.js", _.toString({
// p:p, lines:lines, is:is
// }))
// GEN.PAUSE(0)
// GEN.selClearFeature()
// }
return line
}
function PointToLineDistance(xx, yy, x1, y1, x2, y2) {
var ang1, ang2, ang, m;
var result = 0;
// 分别计算三条边的长度
var a = Math.sqrt((x1 - xx) * (x1 - xx) + (y1 - yy) * (y1 - yy));
if (a === 0) {
return [0, {
x: x1,
y: y1
}];
}
var b = Math.sqrt((x2 - xx) * (x2 - xx) + (y2 - yy) * (y2 - yy));
if (b === 0) {
return [0, {
x: x2,
y: y2
}];
}
var c = Math.sqrt((x1 - x2) * (x1 - x2) + (y1 - y2) * (y1 - y2));
// 如果线段是一个点则退出函数并返回距离
if (c === 0) {
result = a;
return [result, {
x: x1,
y: y1
}];
}
// 如果点(xx,yy到点x1,y1)这条边短
if (a < b) {
// 如果直线段AB是水平线。得到直线段AB的弧度
if (y1 === y2) {
if (x1 < x2) {
ang1 = 0;
} else {
ang1 = Math.PI;
}
} else {
m = (x2 - x1) / c;
if (m - 1 > 0.00001) {
m = 1;
}
ang1 = Math.acos(m);
if (y1 > y2) {
ang1 = Math.PI * 2 - ang1;
}// 直线(x1,y1)-(x2,y2)与折X轴正向夹角的弧度
}
m = (xx - x1) / a;
if (m - 1 > 0.00001) {
m = 1;
}
ang2 = Math.acos(m);
if (y1 > yy) {
ang2 = Math.PI * 2 - ang2;
}// 直线(x1,y1)-(xx,yy)与折X轴正向夹角的弧度
ang = ang2 - ang1;
if (ang < 0) {
ang = -ang;
}
if (ang > Math.PI) {
ang = Math.PI * 2 - ang;
}
// 如果是钝角则直接返回距离
if (ang > Math.PI / 2) {
return [a, {
x: x1,
y: y1
}];
}
// 返回距离并且求得当前距离所在线段的坐标
if (x1 === x2) {
return [b * Math.sin(ang), {
x: x1,
y: yy
}];
} else if (y1 === y2) {
return [b * Math.sin(ang), {
x: xx,
y: y1
}];
}
// 直线的斜率存在且不为0的情况下
var x = 0,
y = 0;
var k1 = ((y2 - y1) / x2 - x1);
var kk = -1 / k1;
var bb = yy - xx * kk;
var b1 = y2 - x2 * k1;
x = (b1 - bb) / (kk - k1);
y = kk * x + bb;
return [a * Math.sin(ang), {
x:x,
y:y
}];
}
// 如果两个点的纵坐标相同，则直接得到直线斜率的弧度
if (y1 === y2) {
if (x1 < x2) {
ang1 = Math.PI;
} else {
ang1 = 0;
}
} else {
m = (x1 - x2) / c;
if (m - 1 > 0.00001) {
m = 1;
}
ang1 = Math.acos(m);
if (y2 > y1) {
ang1 = Math.PI * 2 - ang1;
}
}
m = (xx - x2) / b;
if (m - 1 > 0.00001) {
m = 1;
}
ang2 = Math.acos(m);// 直线(x2-x1)-(xx,yy)斜率的弧度
if (y2 > yy) {
ang2 = Math.PI * 2 - ang2;
}
ang = ang2 - ang1;
if (ang < 0) {
ang = -ang;
}
if (ang > Math.PI) {
ang = Math.PI * 2 - ang;
}// 交角的大小
// 如果是对角则直接返回距离
if (ang > Math.PI / 2) {
return [b, {
x: x2,
y: y2
}];
}
// 如果是锐角，返回计算得到的距离,并计算出相应的坐标
if (x1 === x2) {
return [b * Math.sin(ang), {
x: x1,
y: yy
}];
} else if (y1 === y2) {
return [b * Math.sin(ang), {
x: xx,
y: y1
}];
}
// 直线的斜率存在且不为0的情况下
var x = 0,
y = 0;
var k1 = ((y2 - y1) / x2 - x1);
var kk = -1 / k1;
var bb = yy - xx * kk;
var b1 = y2 - x2 * k1;
x = (b1 - bb) / (kk - k1);
y = kk * x + bb;
return [b * Math.sin(ang), {
x:x,
y:y
}];
}
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