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-rw-r--r--src/client/util/Transform.ts56
1 files changed, 18 insertions, 38 deletions
diff --git a/src/client/util/Transform.ts b/src/client/util/Transform.ts
index 3e1039166..e9170ec36 100644
--- a/src/client/util/Transform.ts
+++ b/src/client/util/Transform.ts
@@ -3,7 +3,7 @@ export class Transform {
private _translateY: number = 0;
private _scale: number = 1;
- static get Identity(): Transform {
+ static Identity(): Transform {
return new Transform(0, 0, 1);
}
@@ -17,78 +17,64 @@ export class Transform {
this._scale = scale;
}
- translate = (x: number, y: number): Transform => {
+ translate = (x: number, y: number): this => {
this._translateX += x;
this._translateY += y;
return this;
}
- scale = (scale: number): Transform => {
+ scale = (scale: number): this => {
this._scale *= scale;
this._translateX *= scale;
this._translateY *= scale;
return this;
}
- scaleAbout = (scale: number, x: number, y: number): Transform => {
+ scaleAbout = (scale: number, x: number, y: number): this => {
this._translateX += x * this._scale - x * this._scale * scale;
this._translateY += y * this._scale - y * this._scale * scale;
this._scale *= scale;
return this;
}
- transform = (transform: Transform): Transform => {
+ transform = (transform: Transform): this => {
this._translateX = transform._translateX + transform._scale * this._translateX;
this._translateY = transform._translateY + transform._scale * this._translateY;
this._scale *= transform._scale;
return this;
}
- preTranslate = (x: number, y: number): Transform => {
+ preTranslate = (x: number, y: number): this => {
this._translateX += this._scale * x;
this._translateY += this._scale * y;
return this;
}
- preScale = (scale: number): Transform => {
+ preScale = (scale: number): this => {
this._scale *= scale;
return this;
}
- preTransform = (transform: Transform): Transform => {
+ preTransform = (transform: Transform): this => {
this._translateX += transform._translateX * this._scale;
this._translateY += transform._translateY * this._scale;
this._scale *= transform._scale;
return this;
}
- translated = (x: number, y: number): Transform => {
- return this.copy().translate(x, y);
- }
+ translated = (x: number, y: number): Transform => this.copy().translate(x, y);
- preTranslated = (x: number, y: number): Transform => {
- return this.copy().preTranslate(x, y);
- }
+ preTranslated = (x: number, y: number): Transform => this.copy().preTranslate(x, y);
- scaled = (scale: number): Transform => {
- return this.copy().scale(scale);
- }
+ scaled = (scale: number): Transform => this.copy().scale(scale);
- scaledAbout = (scale: number, x: number, y: number): Transform => {
- return this.copy().scaleAbout(scale, x, y);
- }
+ scaledAbout = (scale: number, x: number, y: number): Transform => this.copy().scaleAbout(scale, x, y);
- preScaled = (scale: number): Transform => {
- return this.copy().preScale(scale);
- }
+ preScaled = (scale: number): Transform => this.copy().preScale(scale);
- transformed = (transform: Transform): Transform => {
- return this.copy().transform(transform);
- }
+ transformed = (transform: Transform): Transform => this.copy().transform(transform);
- preTransformed = (transform: Transform): Transform => {
- return this.copy().preTransform(transform);
- }
+ preTransformed = (transform: Transform): Transform => this.copy().preTransform(transform);
transformPoint = (x: number, y: number): [number, number] => {
x *= this._scale;
@@ -98,9 +84,7 @@ export class Transform {
return [x, y];
}
- transformDirection = (x: number, y: number): [number, number] => {
- return [x * this._scale, y * this._scale];
- }
+ transformDirection = (x: number, y: number): [number, number] => [x * this._scale, y * this._scale];
transformBounds(x: number, y: number, width: number, height: number): { x: number, y: number, width: number, height: number } {
[x, y] = this.transformPoint(x, y);
@@ -108,12 +92,8 @@ export class Transform {
return { x, y, width, height };
}
- inverse = () => {
- return new Transform(-this._translateX / this._scale, -this._translateY / this._scale, 1 / this._scale)
- }
+ inverse = () => new Transform(-this._translateX / this._scale, -this._translateY / this._scale, 1 / this._scale);
- copy = () => {
- return new Transform(this._translateX, this._translateY, this._scale);
- }
+ copy = () => new Transform(this._translateX, this._translateY, this._scale);
} \ No newline at end of file