mirror/piskel
1
0
Fork 0
mirror of https://github.com/piskelapp/piskel.git synced 2023-08-10 21:12:52 +03:00
Code Issues Projects Releases Wiki Activity

Corrects Circle tool for even dimensions.

Browse Source
This commit is contained in:
Smie 2017-01-21 13:12:50 -07:00 committed by Julian Descottes
parent 4706587abb
commit cce4cde98b
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/js/tools/drawing/Circle.js
View File

@ -29,6 +29,8 @@
var coords = pskl.PixelUtils.getOrderedRectangleCoordinates(x0, y0, x1, y1); var coords = pskl.PixelUtils.getOrderedRectangleCoordinates(x0, y0, x1, y1);
var xC = Math.round((coords.x0 + coords.x1) / 2); var xC = Math.round((coords.x0 + coords.x1) / 2);
var yC = Math.round((coords.y0 + coords.y1) / 2); var yC = Math.round((coords.y0 + coords.y1) / 2);
var evenX = (coords.x0 + coords.x1) % 2;
var evenY = (coords.y0 + coords.y1) % 2;
var rX = coords.x1 - xC; var rX = coords.x1 - xC;
var rY = coords.y1 - yC; var rY = coords.y1 - yC;
@ -54,9 +56,9 @@
r < rX * rY / Math.sqrt(rY * rY * Math.pow(Math.cos(angle), 2) + rX * rX * Math.pow(Math.sin(angle), 2)) + r < rX * rY / Math.sqrt(rY * rY * Math.pow(Math.cos(angle), 2) + rX * rX * Math.pow(Math.sin(angle), 2)) +
0.5) { 0.5) {
pixels.push([xC + x, yC + y]); pixels.push([xC + x, yC + y]);
pixels.push([xC - x, yC + y]); pixels.push([xC - x - evenX, yC + y]);
pixels.push([xC + x, yC - y]); pixels.push([xC + x, yC - y - evenY]);
pixels.push([xC - x, yC - y]); pixels.push([xC - x - evenX, yC - y - evenY]);
} }
} }
} }