Add Prototype Version of Brand Accent Component

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copecone committed 2026-03-30 12:06:31 +09:00
1 parent 450da37d5b
commit 0405b15b01
7 files changed
+161 -1

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@@ -0,0 +1,2 @@
<canvas class="canvas" #canvasElement></canvas>
@@ -0,0 +1,9 @@
:host {
display: block;
}
.canvas {
display: block;
width: 100%;
height: 100%;
}
@@ -0,0 +1,130 @@
import { afterNextRender, Component, ElementRef, NgZone, OnDestroy, ViewChild } from '@angular/core';
import { CommonModule } from '@angular/common';
@Component({
selector: 'brand-accent',
standalone: true,
imports: [CommonModule],
templateUrl: './brand-accent.html',
styleUrl: './brand-accent.scss',
})
export class BrandAccent implements OnDestroy {
@ViewChild('canvasElement') canvasRef!: ElementRef<HTMLCanvasElement>;
private ctx!: CanvasRenderingContext2D;
private resizeObserver?: ResizeObserver;
private canvasNativeSize: [number, number] = [0, 0];
private animation: {
id?: number;
startTime: number;
progress: number;
gridDimension: [number, number];
duration: number;
gridSquareSize: number;
} = {
startTime: 0,
progress: 0,
gridDimension: [0, 0],
duration: 30,
gridSquareSize: 100,
};
constructor(private ngZone: NgZone) {
afterNextRender(() => {
this.ctx = this.canvasRef.nativeElement.getContext('2d')!;
this.ngZone.runOutsideAngular(() => {
this.resizeObserver = new ResizeObserver(() => this.resize());
this.resizeObserver.observe(this.canvasRef.nativeElement);
this.resize(); // Safe Initialization
this.animation.startTime = performance.now();
this.draw();
this.animate(performance.now());
});
});
}
private resize() {
const canvas = this.canvasRef.nativeElement;
const dpr = window.devicePixelRatio || 1;
const rect = canvas.getBoundingClientRect();
canvas.width = rect.width * dpr;
canvas.height = rect.height * dpr;
this.ctx.scale(dpr, dpr);
this.updateAnimationInfo();
}
private updateAnimationInfo() {
this.canvasNativeSize = [this.canvasRef.nativeElement.clientWidth, this.canvasRef.nativeElement.clientHeight];
this.animation.gridDimension = [
Math.trunc(this.canvasNativeSize[0] / this.animation.gridSquareSize) + 3,
Math.trunc(this.canvasNativeSize[1] / this.animation.gridSquareSize) + 3,
];
}
private animate = (currentTime: number) => {
this.animation.id = requestAnimationFrame(this.animate);
this.update(currentTime);
this.draw();
};
private update(currentTime: number) {
let elapsedTime: number;
elapsedTime = (currentTime - this.animation.startTime) / 1000;
const animationTime = elapsedTime % this.animation.duration;
this.animation.progress = animationTime / this.animation.duration;
}
private draw() {
this.ctx.clearRect(0, 0, this.canvasNativeSize[0], this.canvasNativeSize[1]);
const linearGradient = this.ctx.createLinearGradient(0, 0, this.canvasNativeSize[0], this.canvasNativeSize[1]);
linearGradient.addColorStop(0, 'oklch(1 0 0 / 0.6)');
linearGradient.addColorStop(1, 'oklch(0.7938 0.1292 47.77 / 0.6)');
this.ctx.fillStyle = linearGradient;
this.ctx.fillRect(0, 0, this.canvasNativeSize[0], this.canvasNativeSize[1]);
this.ctx.globalCompositeOperation = 'multiply';
this.ctx.beginPath();
this.ctx.lineWidth = 2;
this.ctx.strokeStyle = 'rgba(0, 0, 0, 0.2)';
this.ctx.lineCap = 'round';
const lineRenderMargin = this.animation.gridSquareSize * 2;
const xOffset = (this.canvasNativeSize[0] - this.animation.gridDimension[0] * this.animation.gridSquareSize) / 2;
const yOffset = (this.canvasNativeSize[1] - this.animation.gridDimension[1] * this.animation.gridSquareSize) / 2;
const movingOffset = -(this.animation.gridSquareSize * this.animation.progress);
for (let y = 0; y < this.animation.gridDimension[1]; y++) {
this.ctx.moveTo(-lineRenderMargin, y * this.animation.gridSquareSize + yOffset + movingOffset);
this.ctx.lineTo(this.canvasNativeSize[0] + lineRenderMargin, y * this.animation.gridSquareSize + yOffset + movingOffset);
}
for (let x = 0; x < this.animation.gridDimension[0]; x++) {
this.ctx.moveTo(x * this.animation.gridSquareSize + xOffset + movingOffset, -lineRenderMargin);
this.ctx.lineTo(x * this.animation.gridSquareSize + xOffset + movingOffset, this.canvasNativeSize[1] + lineRenderMargin);
}
this.ctx.stroke()
}
ngOnDestroy() {
if (this.animation.id) {
cancelAnimationFrame(this.animation.id);
}
this.resizeObserver?.disconnect();
}
}
+2
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@@ -1,4 +1,6 @@
<div class="container">
<brand-accent></brand-accent>
<h1>AEF Component Test</h1>
<section id="switch-test" class="test-container">
+12
View File
@@ -7,3 +7,15 @@ section#dropdown-test {
.test-container {
max-width: 100%;
}
brand-accent {
position: absolute;
width: 100%;
height: 100%;
top: 0;
left: 0;
z-index: -999999;
}
+2 -1
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@@ -1,11 +1,12 @@
import { Component, signal } from '@angular/core';
import { Switch } from '../../components/switch/switch';
import { Dropdown, DropdownOption } from '../../components/dropdown/dropdown';
import { BrandAccent } from '../../components/brand-accent/brand-accent';
@Component({
selector: 'app-main-page',
standalone: true,
imports: [Switch, Dropdown],
imports: [Switch, Dropdown, BrandAccent],
templateUrl: './main.html',
styleUrl: './main.scss',
})
+4
View File
@@ -66,6 +66,10 @@ section {
padding: 20px;
border: 2px solid oklch(0 0 0 / 20%); // rgba(0, 0, 0, 0.2)
border-radius: 8px;
background-color: oklch(1 0 0 / 60%);
backdrop-filter: blur(20px);
}
.container {