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fix some Konva.Transformer bugs

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This commit is contained in:
Anton Lavrenov
2019-05-27 16:16:41 -05:00
parent 2cf73f7654
commit 1230f2dd44
4 changed files with 158 additions and 1352 deletions
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40
src/shapes/Transformer.ts
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@@ -404,8 +404,8 @@ export class Transformer extends Group {
var width = attrs.width;
var height = attrs.height;
var hypotenuse = Math.sqrt(Math.pow(width, 2) + Math.pow(height, 2));
this.sin = height / hypotenuse;
this.cos = width / hypotenuse;
this.sin = Math.abs(height / hypotenuse);
this.cos = Math.abs(width / hypotenuse);
window.addEventListener('mousemove', this._handleMouseMove);
window.addEventListener('touchmove', this._handleMouseMove);
@@ -449,8 +449,13 @@ export class Transformer extends Group {
Math.pow(this.findOne('.bottom-right').y() - resizerNode.y(), 2)
);
x = newHypotenuse * this.cos;
y = newHypotenuse * this.sin;
var reverse =
this.findOne('.top-left').x() > this.findOne('.bottom-right').x()
? -1
: 1;
x = newHypotenuse * this.cos * reverse;
y = newHypotenuse * this.sin * reverse;
this.findOne('.top-left').x(this.findOne('.bottom-right').x() - x);
this.findOne('.top-left').y(this.findOne('.bottom-right').y() - y);
@@ -464,8 +469,13 @@ export class Transformer extends Group {
Math.pow(this.findOne('.bottom-left').y() - resizerNode.y(), 2)
);
x = newHypotenuse * this.cos;
y = newHypotenuse * this.sin;
var reverse =
this.findOne('.top-right').x() < this.findOne('.top-left').x()
? -1
: 1;
x = newHypotenuse * this.cos * reverse;
y = newHypotenuse * this.sin * reverse;
this.findOne('.top-right').x(x);
this.findOne('.top-right').y(this.findOne('.bottom-left').y() - y);
@@ -485,8 +495,13 @@ export class Transformer extends Group {
Math.pow(this.findOne('.top-right').y() - resizerNode.y(), 2)
);
x = newHypotenuse * this.cos;
y = newHypotenuse * this.sin;
var reverse =
this.findOne('.top-right').x() < this.findOne('.bottom-left').x()
? -1
: 1;
x = newHypotenuse * this.cos * reverse;
y = newHypotenuse * this.sin * reverse;
this.findOne('.bottom-left').x(this.findOne('.top-right').x() - x);
this.findOne('.bottom-left').y(y);
@@ -505,8 +520,13 @@ export class Transformer extends Group {
Math.pow(this.findOne('.bottom-right').y(), 2)
);
x = newHypotenuse * this.cos;
y = newHypotenuse * this.sin;
var reverse =
this.findOne('.top-left').x() > this.findOne('.bottom-right').x()
? -1
: 1;
x = newHypotenuse * this.cos * reverse;
y = newHypotenuse * this.sin * reverse;
this.findOne('.bottom-right').x(x);
this.findOne('.bottom-right').y(y);