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Fix should draw condition

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This commit is contained in:
schmelczerandras 2020-07-25 17:51:13 +02:00
parent 9aef368324
commit b6bef3c77d
9 changed files with 54 additions and 15 deletions
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15
frontend/src/scripts/drawing/webgl2-renderer.ts
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@ -1,5 +1,6 @@
import { mat2d, vec2 } from 'gl-matrix';
import { clamp } from '../helper/clamp';
import { Circle } from '../math/circle';
import { Rectangle } from '../math/rectangle';
import { InfoText } from '../objects/types/info-text';
import { Drawer } from './drawer';
@ -13,6 +14,7 @@ export class WebGl2Renderer implements Drawer {
private stopwatch?: WebGlStopwatch;
private viewBox: Rectangle = new Rectangle();
private viewCircle: Circle = new Circle(vec2.create(), 0);
private uniforms: any;
private cursorPosition = vec2.create();
private distanceFieldFrameBuffer: IntermediateFrameBuffer;
@ -212,6 +214,15 @@ export class WebGl2Renderer implements Drawer {
Math.sqrt(size * canvasAspectRatio),
Math.sqrt(size / canvasAspectRatio)
);
const halfDiagonal = vec2.scale(vec2.create(), this.viewBox.size, 0.5);
this.viewCircle.center = vec2.add(
vec2.create(),
this.viewBox.topLeft,
halfDiagonal
);
this.viewCircle.radius = vec2.length(halfDiagonal);
return this.viewBox.size;
}
@ -221,7 +232,7 @@ export class WebGl2Renderer implements Drawer {
}
}
public isOnScreen(position: vec2): boolean {
return this.viewBox.isInside(position);
public isOnScreen(boundingCircle: Circle): boolean {
return this.viewCircle.areIntersecting(boundingCircle);
}
}