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Fix some bugs

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This commit is contained in:
Schmelczer András 2020-01-12 20:26:32 +01:00
parent 1893b774e7
commit fd14613db7
123 changed files with 187 additions and 31 deletions
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12
src/page/background/background.ts Normal file → Executable file
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@ -142,7 +142,7 @@ export class PageBackground extends PageElement {
blob.topLeft.add(Vec3.from(blob.size, 0))
);
if (this.isInView(topLeft) || this.isInView(bottomRight)) {
if (this.isInView(topLeft, bottomRight)) {
blob.draw(this.ctx, topLeft, bottomRight.subtract(topLeft));
}
});
@ -175,12 +175,12 @@ export class PageBackground extends PageElement {
return new Vec2(p.x * m - z / 2, p.y * m - z / 2 + scrollPosition);
}
private isInView(p: Vec2): boolean {
private isInView(topLeft: Vec2, bottomRight: Vec2): boolean {
return (
0 <= p.x &&
p.x <= this.canvas.width &&
0 <= p.y &&
p.y <= this.canvas.height
((0 <= topLeft.x && topLeft.x <= this.canvas.width) ||
(0 <= bottomRight.x && bottomRight.x < this.canvas.width)) &&
((0 <= topLeft.y && topLeft.y <= this.canvas.height) ||
(0 <= bottomRight.y && bottomRight.y <= this.canvas.height))
);
}