/*
软件作者：https://xuhss.com/oxox/pro
*/
console.show();
log(getLinePoints([0.9,1,5,5.5]));
function getLinePoints(xyAry) {
//xyary=[x1,y1,x2,y2];
let x1 = xyAry[0];
let y1 = xyAry[1];
let x2 = xyAry[2];
let y2 = xyAry[3];
//kx+b=y;求k,b
let k = (y2 - y1) / (x2 - x1);
let b = y1 - k * x1;
//~~~~~~~~~~~~
let x1_ = Math.floor(x1);
let x2_ = Math.floor(x2);
let fx = (x2_ - x1_) / Math.abs(x2_ - x1_);
let pointsAry = new Array;
for (let ix = x1_; ix != x2_+fx; ix += fx) {
let iy = Math.floor(k * ix + b);
if (pointsAry.length) {
if (pointsAry[pointsAry.length - 2] != ix - 1 || pointsAry[pointsAry.length - 1] != iy) {
pointsAry.push(ix - 1, iy);
};
};
pointsAry.push(ix, iy);
};
return pointsAry;
};
