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tracer bugfix

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This commit is contained in:
nrhck 2018-12-27 12:40:30 +01:00
parent a806fabf5c
commit b252c6b56e
7 changed files with 92 additions and 82 deletions
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26
webui/index.html
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@ -546,31 +546,35 @@
// Store Reference To The Canvas & Set Context
var canvas = document.getElementById("canvas");
var ctx = canvas.getContext("2d");
var lastpoint = { x: 0, y: 0, color: 0};
var lastpoint = { x: 0, y: 0, color: 0};
ctx.clearRect(0,0,400,400);
ctx.save
// Todo : laser point will have black points to go from a polyline to another. Need to discard those black points.
function draw() {
// Clear Canvas At The Start Of Every Frame
ctx.clearRect(0,0,400,400);
ctx.restore
if (pl2.length > 0)
{
// Begin a new path
// 0.7 reduces max coordinates in a more browser compatible resolution.
ctx.beginPath();
ctx.moveTo(pl2[0]*0.7, pl2[1]*0.7);
//ctx.clearRect(0,0,400,400);
ctx.moveTo(pl2[0]*0.5, pl2[1]*0.5);
lastpoint.color = pl2[2];
// Draw n Lines
for (var i = 0; i < pl2.length/3; i++)
{
// New point has the same color -> add a new line to new point
// New point has the same color -> add a new line to the new point
if (pl2[2+(i*3)] === lastpoint.color)
{
ctx.lineTo(pl2[i*3]*0.7, pl2[1+(i*3)]*0.7);
ctx.lineTo(pl2[i*3]*0.5, pl2[1+(i*3)]*0.5);
}
// New point has different color -> stroke with previous color
@ -578,16 +582,24 @@
{
ctx.strokeStyle = "#"+(lastpoint.color + Math.pow(16, 6)).toString(16).slice(-6);
ctx.stroke();
//ctx.closePath()
ctx.restore
ctx.beginPath();
ctx.moveTo(pl2[i*3]*0.7, pl2[1+(i*3)]*0.7);
//ctx.clearRect(0,0,400,400);
ctx.moveTo(pl2[i*3]*0.5, pl2[1+(i*3)]*0.5);
}
// Last point -> stroke with current color
if (i === (pl2.length/3)-1 )
{
ctx.moveTo(pl2[i*3]*0.7, pl2[1+(i*3)]*0.7);
ctx.moveTo(pl2[i*3]*0.5, pl2[1+(i*3)]*0.5);
ctx.strokeStyle = "#"+((pl2[2+(i*3)]) + Math.pow(16, 6)).toString(16).slice(-6);
ctx.stroke();
//ctx.closePath()
ctx.restore
//ctx.clearRect(0,0,400,400);
}
// store point for comparison