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Migrating to full canvas rendering

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Devine Lu Linvega
2017-11-13 15:25:29 +13:00
parent 7fd21cf2a1
commit 1923c4b04c
2 changed files with 32 additions and 21 deletions
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49
sources/scripts/guide.js
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@@ -1,33 +1,44 @@
function Guide()
{
this.el = document.createElement("div");
// Guide
this.el = document.createElement("canvas");
this.el.id = "guide";
this.el.width = 600;
this.el.height = 600;
this.el.style.width = "300px";
this.el.style.height = "300px";
this.markers;
this.start = function()
{
// Markers
this.markers = JSON.parse("["+"[],".repeat(dotgrid.grid_x)+"[]"+"]")
this.update();
}
this.clear = function()
{
this.el.getContext('2d').clearRect(0, 0, 600, 600);
}
this.update = function()
{
this.clear();
for (var x = dotgrid.grid_x; x >= 0; x--) {
for (var y = dotgrid.grid_y; y >= 0; y--) {
let marker = document.createElement("div");
marker.setAttribute("class",(x % dotgrid.block_x == 0 && y % dotgrid.block_y == 0 ? "marker bm" : "marker bl"));
marker.style.left = parseInt(x * dotgrid.grid_width + (dotgrid.grid_width/2)) ;
marker.style.top = parseInt(y * dotgrid.grid_height + (dotgrid.grid_height/2)) ;
this.el.appendChild(marker);
this.markers[x][y] = marker
var pos_x = parseInt(x * dotgrid.grid_width) ;
var pos_y = parseInt(y * dotgrid.grid_height) ;
var is_step = x % dotgrid.block_x == 0 && y % dotgrid.block_y == 0;
var radius = is_step ? 1.5 : 0.5;
dotgrid.guide.draw_marker({x:pos_x * 2,y:pos_y * 2},radius,is_step);
}
}
}
this.update = function() // it's less than ideal to reuse this much code, but I couldn't find a way to reuse the function that wouldn't mess with the architecture
this.draw_marker = function(pos,radius = 1,step)
{
for (var x = dotgrid.grid_x; x >= 0; x--) {
for (var y = dotgrid.grid_y; y >= 0; y--) {
let marker = this.markers[x][y]
marker.style.left = parseInt(x * dotgrid.grid_width + (dotgrid.grid_width/2) +(5*dotgrid.scale));
marker.style.top = parseInt(y * dotgrid.grid_height + (dotgrid.grid_height/2) +(5*dotgrid.scale));
}
}
var ctx = this.el.getContext('2d');
ctx.beginPath();
ctx.arc(pos.x, pos.y, radius, 0, 2 * Math.PI, false);
ctx.fillStyle = step ? 'green' : 'red';
ctx.fill();
}
}