ng-cw-v12
Version:
Angular UI Component Library
376 lines (355 loc) • 45.9 kB
JavaScript
import { Component, ViewChild, Input, HostListener } from '@angular/core';
import * as THREE from 'three';
import * as i0 from "@angular/core";
const vertexShader = `
varying vec2 vUv;
void main() {
vUv = uv;
gl_Position = vec4(position, 1.0);
}
`;
const fragmentShader = `
precision highp float;
uniform float uTime;
uniform vec3 uResolution;
uniform float uSpeed;
uniform float uScale;
uniform float uBrightness;
uniform vec3 uColor1;
uniform vec3 uColor2;
uniform float uNoiseFreq;
uniform float uNoiseAmp;
uniform float uBandHeight;
uniform float uBandSpread;
uniform float uOctaveDecay;
uniform float uLayerOffset;
uniform float uColorSpeed;
uniform vec2 uMouse;
uniform float uMouseInfluence;
uniform bool uEnableMouse;
#define TAU 6.28318
vec3 gradientHash(vec3 p) {
p = vec3(
dot(p, vec3(127.1, 311.7, 234.6)),
dot(p, vec3(269.5, 183.3, 198.3)),
dot(p, vec3(169.5, 283.3, 156.9))
);
vec3 h = fract(sin(p) * 43758.5453123);
float phi = acos(2.0 * h.x - 1.0);
float theta = TAU * h.y;
return vec3(cos(theta) * sin(phi), sin(theta) * cos(phi), cos(phi));
}
float quinticSmooth(float t) {
float t2 = t * t;
float t3 = t * t2;
return 6.0 * t3 * t2 - 15.0 * t2 * t2 + 10.0 * t3;
}
vec3 cosineGradient(float t, vec3 a, vec3 b, vec3 c, vec3 d) {
return a + b * cos(TAU * (c * t + d));
}
float perlin3D(float amplitude, float frequency, float px, float py, float pz) {
float x = px * frequency;
float y = py * frequency;
float fx = floor(x); float fy = floor(y); float fz = floor(pz);
float cx = ceil(x); float cy = ceil(y); float cz = ceil(pz);
vec3 g000 = gradientHash(vec3(fx, fy, fz));
vec3 g100 = gradientHash(vec3(cx, fy, fz));
vec3 g010 = gradientHash(vec3(fx, cy, fz));
vec3 g110 = gradientHash(vec3(cx, cy, fz));
vec3 g001 = gradientHash(vec3(fx, fy, cz));
vec3 g101 = gradientHash(vec3(cx, fy, cz));
vec3 g011 = gradientHash(vec3(fx, cy, cz));
vec3 g111 = gradientHash(vec3(cx, cy, cz));
float d000 = dot(g000, vec3(x - fx, y - fy, pz - fz));
float d100 = dot(g100, vec3(x - cx, y - fy, pz - fz));
float d010 = dot(g010, vec3(x - fx, y - cy, pz - fz));
float d110 = dot(g110, vec3(x - cx, y - cy, pz - fz));
float d001 = dot(g001, vec3(x - fx, y - fy, pz - cz));
float d101 = dot(g101, vec3(x - cx, y - fy, pz - cz));
float d011 = dot(g011, vec3(x - fx, y - cy, pz - cz));
float d111 = dot(g111, vec3(x - cx, y - cy, pz - cz));
float sx = quinticSmooth(x - fx);
float sy = quinticSmooth(y - fy);
float sz = quinticSmooth(pz - fz);
float lx00 = mix(d000, d100, sx);
float lx10 = mix(d010, d110, sx);
float lx01 = mix(d001, d101, sx);
float lx11 = mix(d011, d111, sx);
float ly0 = mix(lx00, lx10, sy);
float ly1 = mix(lx01, lx11, sy);
return amplitude * mix(ly0, ly1, sz);
}
float auroraGlow(float t, vec2 shift) {
vec2 uv = gl_FragCoord.xy / uResolution.y;
uv += shift;
float noiseVal = 0.0;
float freq = uNoiseFreq;
float amp = uNoiseAmp;
vec2 samplePos = uv * uScale;
for (float i = 0.0; i < 3.0; i += 1.0) {
noiseVal += perlin3D(amp, freq, samplePos.x, samplePos.y, t);
amp *= uOctaveDecay;
freq *= 2.0;
}
float yBand = uv.y * 10.0 - uBandHeight * 10.0;
return 0.3 * max(exp(uBandSpread * (1.0 - 1.1 * abs(noiseVal + yBand))), 0.0);
}
void main() {
vec2 uv = gl_FragCoord.xy / uResolution.xy;
float t = uSpeed * 0.4 * uTime;
vec2 shift = vec2(0.0);
if (uEnableMouse) {
shift = (uMouse - 0.5) * uMouseInfluence;
}
vec3 col = vec3(0.0);
col += 0.99 * auroraGlow(t, shift) * cosineGradient(uv.x + uTime * uSpeed * 0.2 * uColorSpeed, vec3(0.5), vec3(0.5), vec3(1.0), vec3(0.3, 0.20, 0.20)) * uColor1;
col += 0.99 * auroraGlow(t + uLayerOffset, shift) * cosineGradient(uv.x + uTime * uSpeed * 0.1 * uColorSpeed, vec3(0.5), vec3(0.5), vec3(2.0, 1.0, 0.0), vec3(0.5, 0.20, 0.25)) * uColor2;
col *= uBrightness;
float alpha = clamp(length(col), 0.0, 1.0);
gl_FragColor = vec4(col, alpha);
}
`;
export class SoftAuroraBackgroundComponent {
constructor(ngZone) {
this.ngZone = ngZone;
/** 播放速度（0.1-5） */
this.ncSpeed = 0.6;
/** 缩放比例（0.1-3） */
this.ncScale = 1.5;
/** 亮度（0.1-3） */
this.ncBrightness = 1.0;
/** 光晕颜色1 */
this.ncColor1 = '#f7f7f7';
/** 光晕颜色2 */
this.ncColor2 = '#e100ff';
/** 噪声频率（0.5-10） */
this.ncNoiseFrequency = 2.5;
/** 噪声幅度（0.5-10） */
this.ncNoiseAmplitude = 1.0;
/** 色带高度位置（0-1） */
this.ncBandHeight = 0.5;
/** 色带扩展程度（0.1-3） */
this.ncBandSpread = 1.0;
/** 噪声每层的衰减量（0.01-0.5） */
this.ncOctaveDecay = 0.1;
/** 两层极光之间的时间差（0-1） */
this.ncLayerOffset = 0;
/** 颜色渐变速度（0.1-5） */
this.ncColorSpeed = 1.0;
/** 鼠标事件的影响力（0.1-1） */
this.ncMouseInfluence = 0.25;
/** 是否启用鼠标交互 */
this._enableMouseInteraction = true;
this.animationFrameId = null;
this.targetMouse = [0.5, 0.5];
this.currentMouse = [0.5, 0.5];
this.timeOffset = 0;
this.lastTime = 0;
this.animate = () => {
this.animationFrameId = requestAnimationFrame(this.animate);
const currentTime = performance.now();
this.timeOffset += (currentTime - this.lastTime);
this.lastTime = currentTime;
if (this.material) {
this.material.uniforms['uTime'].value = this.timeOffset * 0.001;
if (this.ncEnableMouseInteraction) {
this.currentMouse[0] += 0.05 * (this.targetMouse[0] - this.currentMouse[0]);
this.currentMouse[1] += 0.05 * (this.targetMouse[1] - this.currentMouse[1]);
this.material.uniforms['uMouse'].value.set(this.currentMouse[0], this.currentMouse[1]);
}
else {
this.material.uniforms['uMouse'].value.set(0.5, 0.5);
}
this.renderer.render(this.scene, this.camera);
}
};
}
set ncEnableMouseInteraction(val) {
this._enableMouseInteraction = val !== null && val !== undefined && val !== false && val !== 'false';
}
get ncEnableMouseInteraction() {
return this._enableMouseInteraction;
}
ngOnInit() { }
ngAfterViewInit() {
this.ngZone.runOutsideAngular(() => {
this.initThreeJS();
});
}
ngOnDestroy() {
this.cleanup();
}
ngOnChanges(changes) {
if (!this.material)
return;
if (changes['ncSpeed'])
this.material.uniforms['uSpeed'].value = this.ncSpeed;
if (changes['ncScale'])
this.material.uniforms['uScale'].value = this.ncScale;
if (changes['ncBrightness'])
this.material.uniforms['uBrightness'].value = this.ncBrightness;
if (changes['ncColor1'])
this.material.uniforms['uColor1'].value.set(this.ncColor1);
if (changes['ncColor2'])
this.material.uniforms['uColor2'].value.set(this.ncColor2);
if (changes['ncNoiseFrequency'])
this.material.uniforms['uNoiseFreq'].value = this.ncNoiseFrequency;
if (changes['ncNoiseAmplitude'])
this.material.uniforms['uNoiseAmp'].value = this.ncNoiseAmplitude;
if (changes['ncBandHeight'])
this.material.uniforms['uBandHeight'].value = this.ncBandHeight;
if (changes['ncBandSpread'])
this.material.uniforms['uBandSpread'].value = this.ncBandSpread;
if (changes['ncOctaveDecay'])
this.material.uniforms['uOctaveDecay'].value = this.ncOctaveDecay;
if (changes['ncLayerOffset'])
this.material.uniforms['uLayerOffset'].value = this.ncLayerOffset;
if (changes['ncColorSpeed'])
this.material.uniforms['uColorSpeed'].value = this.ncColorSpeed;
if (changes['ncMouseInfluence'])
this.material.uniforms['uMouseInfluence'].value = this.ncMouseInfluence;
if (changes['ncEnableMouseInteraction'])
this.material.uniforms['uEnableMouse'].value = this.ncEnableMouseInteraction;
}
onMouseMove(e) {
if (!this.ncEnableMouseInteraction || !this.renderer)
return;
const canvas = this.renderer.domElement;
const rect = canvas.getBoundingClientRect();
if (rect.width === 0 || rect.height === 0)
return;
this.targetMouse = [
(e.clientX - rect.left) / rect.width,
1.0 - (e.clientY - rect.top) / rect.height
];
}
onMouseLeave() {
if (!this.ncEnableMouseInteraction)
return;
this.targetMouse = [0.5, 0.5];
}
initThreeJS() {
const container = this.containerRef.nativeElement;
this.renderer = new THREE.WebGLRenderer({ alpha: true, antialias: false, premultipliedAlpha: false });
this.renderer.setClearColor(0x000000, 0); // transparent background
this.scene = new THREE.Scene();
this.camera = new THREE.OrthographicCamera(-1, 1, 1, -1, 0, 1);
this.material = new THREE.ShaderMaterial({
vertexShader,
fragmentShader,
transparent: true,
uniforms: {
uTime: { value: 0 },
uResolution: { value: new THREE.Vector3() },
uSpeed: { value: this.ncSpeed },
uScale: { value: this.ncScale },
uBrightness: { value: this.ncBrightness },
uColor1: { value: new THREE.Color(this.ncColor1) },
uColor2: { value: new THREE.Color(this.ncColor2) },
uNoiseFreq: { value: this.ncNoiseFrequency },
uNoiseAmp: { value: this.ncNoiseAmplitude },
uBandHeight: { value: this.ncBandHeight },
uBandSpread: { value: this.ncBandSpread },
uOctaveDecay: { value: this.ncOctaveDecay },
uLayerOffset: { value: this.ncLayerOffset },
uColorSpeed: { value: this.ncColorSpeed },
uMouse: { value: new THREE.Vector2(0.5, 0.5) },
uMouseInfluence: { value: this.ncMouseInfluence },
uEnableMouse: { value: this.ncEnableMouseInteraction }
}
});
const geometry = new THREE.PlaneGeometry(2, 2);
this.mesh = new THREE.Mesh(geometry, this.material);
this.scene.add(this.mesh);
container.appendChild(this.renderer.domElement);
this.resizeObserver = new ResizeObserver(() => this.resize());
this.resizeObserver.observe(container);
this.resize();
this.lastTime = performance.now();
this.animate();
}
resize() {
if (!this.containerRef || !this.renderer)
return;
const container = this.containerRef.nativeElement;
const width = container.offsetWidth;
const height = container.offsetHeight;
if (width === 0 || height === 0)
return;
this.renderer.setSize(width, height);
if (this.material) {
this.material.uniforms['uResolution'].value.set(width, height, width / height);
}
}
cleanup() {
if (this.animationFrameId !== null) {
cancelAnimationFrame(this.animationFrameId);
this.animationFrameId = null;
}
if (this.resizeObserver) {
this.resizeObserver.disconnect();
}
if (this.renderer && this.containerRef) {
const container = this.containerRef.nativeElement;
if (container.contains(this.renderer.domElement)) {
container.removeChild(this.renderer.domElement);
}
this.renderer.dispose();
this.renderer.forceContextLoss();
}
if (this.mesh) {
if (this.mesh.geometry)
this.mesh.geometry.dispose();
if (this.material)
this.material.dispose();
}
}
}
SoftAuroraBackgroundComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: SoftAuroraBackgroundComponent, deps: [{ token: i0.NgZone }], target: i0.ɵɵFactoryTarget.Component });
SoftAuroraBackgroundComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "12.0.0", version: "12.1.5", type: SoftAuroraBackgroundComponent, selector: "nc-soft-aurora-background", inputs: { ncSpeed: "ncSpeed", ncScale: "ncScale", ncBrightness: "ncBrightness", ncColor1: "ncColor1", ncColor2: "ncColor2", ncNoiseFrequency: "ncNoiseFrequency", ncNoiseAmplitude: "ncNoiseAmplitude", ncBandHeight: "ncBandHeight", ncBandSpread: "ncBandSpread", ncOctaveDecay: "ncOctaveDecay", ncLayerOffset: "ncLayerOffset", ncColorSpeed: "ncColorSpeed", ncMouseInfluence: "ncMouseInfluence", ncEnableMouseInteraction: "ncEnableMouseInteraction" }, host: { listeners: { "mousemove": "onMouseMove($event)", "mouseleave": "onMouseLeave()" } }, viewQueries: [{ propertyName: "containerRef", first: true, predicate: ["container"], descendants: true, static: true }], usesOnChanges: true, ngImport: i0, template: "<div #container class=\"nc-soft-aurora-canvas-container\"></div>\r\n<div class=\"nc-content-wrapper\">\r\n <ng-content></ng-content>\r\n</div>\r\n", styles: [":host{display:block;position:relative;width:100%;height:100%;overflow:hidden}.nc-soft-aurora-canvas-container{position:absolute;inset:0;z-index:0;width:100%;height:100%;background-color:#000}.nc-content-wrapper{position:relative;z-index:1;width:100%;height:100%}\n"] });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "12.1.5", ngImport: i0, type: SoftAuroraBackgroundComponent, decorators: [{
type: Component,
args: [{
selector: 'nc-soft-aurora-background',
templateUrl: './soft-aurora-background.component.html',
styleUrls: ['./soft-aurora-background.component.less']
}]
}], ctorParameters: function () { return [{ type: i0.NgZone }]; }, propDecorators: { containerRef: [{
type: ViewChild,
args: ['container', { static: true }]
}], ncSpeed: [{
type: Input
}], ncScale: [{
type: Input
}], ncBrightness: [{
type: Input
}], ncColor1: [{
type: Input
}], ncColor2: [{
type: Input
}], ncNoiseFrequency: [{
type: Input
}], ncNoiseAmplitude: [{
type: Input
}], ncBandHeight: [{
type: Input
}], ncBandSpread: [{
type: Input
}], ncOctaveDecay: [{
type: Input
}], ncLayerOffset: [{
type: Input
}], ncColorSpeed: [{
type: Input
}], ncMouseInfluence: [{
type: Input
}], ncEnableMouseInteraction: [{
type: Input
}], onMouseMove: [{
type: HostListener,
args: ['mousemove', ['$event']]
}], onMouseLeave: [{
type: HostListener,
args: ['mouseleave']
}] } });
//# 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{\r\n  Component,\r\n  OnInit,\r\n  OnDestroy,\r\n  AfterViewInit,\r\n  ViewChild,\r\n  ElementRef,\r\n  Input,\r\n  OnChanges,\r\n  SimpleChanges,\r\n  HostListener,\r\n  NgZone\r\n} from '@angular/core';\r\nimport * as THREE from 'three';\r\n\r\nconst vertexShader = `\r\nvarying vec2 vUv;\r\nvoid main() {\r\n  vUv = uv;\r\n  gl_Position = vec4(position, 1.0);\r\n}\r\n`;\r\n\r\nconst fragmentShader = `\r\nprecision highp float;\r\n\r\nuniform float uTime;\r\nuniform vec3 uResolution;\r\nuniform float uSpeed;\r\nuniform float uScale;\r\nuniform float uBrightness;\r\nuniform vec3 uColor1;\r\nuniform vec3 uColor2;\r\nuniform float uNoiseFreq;\r\nuniform float uNoiseAmp;\r\nuniform float uBandHeight;\r\nuniform float uBandSpread;\r\nuniform float uOctaveDecay;\r\nuniform float uLayerOffset;\r\nuniform float uColorSpeed;\r\nuniform vec2 uMouse;\r\nuniform float uMouseInfluence;\r\nuniform bool uEnableMouse;\r\n\r\n#define TAU 6.28318\r\n\r\nvec3 gradientHash(vec3 p) {\r\n  p = vec3(\r\n    dot(p, vec3(127.1, 311.7, 234.6)),\r\n    dot(p, vec3(269.5, 183.3, 198.3)),\r\n    dot(p, vec3(169.5, 283.3, 156.9))\r\n  );\r\n  vec3 h = fract(sin(p) * 43758.5453123);\r\n  float phi = acos(2.0 * h.x - 1.0);\r\n  float theta = TAU * h.y;\r\n  return vec3(cos(theta) * sin(phi), sin(theta) * cos(phi), cos(phi));\r\n}\r\n\r\nfloat quinticSmooth(float t) {\r\n  float t2 = t * t;\r\n  float t3 = t * t2;\r\n  return 6.0 * t3 * t2 - 15.0 * t2 * t2 + 10.0 * t3;\r\n}\r\n\r\nvec3 cosineGradient(float t, vec3 a, vec3 b, vec3 c, vec3 d) {\r\n  return a + b * cos(TAU * (c * t + d));\r\n}\r\n\r\nfloat perlin3D(float amplitude, float frequency, float px, float py, float pz) {\r\n  float x = px * frequency;\r\n  float y = py * frequency;\r\n\r\n  float fx = floor(x); float fy = floor(y); float fz = floor(pz);\r\n  float cx = ceil(x);  float cy = ceil(y);  float cz = ceil(pz);\r\n\r\n  vec3 g000 = gradientHash(vec3(fx, fy, fz));\r\n  vec3 g100 = gradientHash(vec3(cx, fy, fz));\r\n  vec3 g010 = gradientHash(vec3(fx, cy, fz));\r\n  vec3 g110 = gradientHash(vec3(cx, cy, fz));\r\n  vec3 g001 = gradientHash(vec3(fx, fy, cz));\r\n  vec3 g101 = gradientHash(vec3(cx, fy, cz));\r\n  vec3 g011 = gradientHash(vec3(fx, cy, cz));\r\n  vec3 g111 = gradientHash(vec3(cx, cy, cz));\r\n\r\n  float d000 = dot(g000, vec3(x - fx, y - fy, pz - fz));\r\n  float d100 = dot(g100, vec3(x - cx, y - fy, pz - fz));\r\n  float d010 = dot(g010, vec3(x - fx, y - cy, pz - fz));\r\n  float d110 = dot(g110, vec3(x - cx, y - cy, pz - fz));\r\n  float d001 = dot(g001, vec3(x - fx, y - fy, pz - cz));\r\n  float d101 = dot(g101, vec3(x - cx, y - fy, pz - cz));\r\n  float d011 = dot(g011, vec3(x - fx, y - cy, pz - cz));\r\n  float d111 = dot(g111, vec3(x - cx, y - cy, pz - cz));\r\n\r\n  float sx = quinticSmooth(x - fx);\r\n  float sy = quinticSmooth(y - fy);\r\n  float sz = quinticSmooth(pz - fz);\r\n\r\n  float lx00 = mix(d000, d100, sx);\r\n  float lx10 = mix(d010, d110, sx);\r\n  float lx01 = mix(d001, d101, sx);\r\n  float lx11 = mix(d011, d111, sx);\r\n\r\n  float ly0 = mix(lx00, lx10, sy);\r\n  float ly1 = mix(lx01, lx11, sy);\r\n\r\n  return amplitude * mix(ly0, ly1, sz);\r\n}\r\n\r\nfloat auroraGlow(float t, vec2 shift) {\r\n  vec2 uv = gl_FragCoord.xy / uResolution.y;\r\n  uv += shift;\r\n\r\n  float noiseVal = 0.0;\r\n  float freq = uNoiseFreq;\r\n  float amp = uNoiseAmp;\r\n  vec2 samplePos = uv * uScale;\r\n\r\n  for (float i = 0.0; i < 3.0; i += 1.0) {\r\n    noiseVal += perlin3D(amp, freq, samplePos.x, samplePos.y, t);\r\n    amp *= uOctaveDecay;\r\n    freq *= 2.0;\r\n  }\r\n\r\n  float yBand = uv.y * 10.0 - uBandHeight * 10.0;\r\n  return 0.3 * max(exp(uBandSpread * (1.0 - 1.1 * abs(noiseVal + yBand))), 0.0);\r\n}\r\n\r\nvoid main() {\r\n  vec2 uv = gl_FragCoord.xy / uResolution.xy;\r\n  float t = uSpeed * 0.4 * uTime;\r\n\r\n  vec2 shift = vec2(0.0);\r\n  if (uEnableMouse) {\r\n    shift = (uMouse - 0.5) * uMouseInfluence;\r\n  }\r\n\r\n  vec3 col = vec3(0.0);\r\n  col += 0.99 * auroraGlow(t, shift) * cosineGradient(uv.x + uTime * uSpeed * 0.2 * uColorSpeed, vec3(0.5), vec3(0.5), vec3(1.0), vec3(0.3, 0.20, 0.20)) * uColor1;\r\n  col += 0.99 * auroraGlow(t + uLayerOffset, shift) * cosineGradient(uv.x + uTime * uSpeed * 0.1 * uColorSpeed, vec3(0.5), vec3(0.5), vec3(2.0, 1.0, 0.0), vec3(0.5, 0.20, 0.25)) * uColor2;\r\n\r\n  col *= uBrightness;\r\n  float alpha = clamp(length(col), 0.0, 1.0);\r\n  gl_FragColor = vec4(col, alpha);\r\n}\r\n`;\r\n\r\n@Component({\r\n  selector: 'nc-soft-aurora-background',\r\n  templateUrl: './soft-aurora-background.component.html',\r\n  styleUrls: ['./soft-aurora-background.component.less']\r\n})\r\nexport class SoftAuroraBackgroundComponent implements OnInit, AfterViewInit, OnDestroy, OnChanges {\r\n  @ViewChild('container', { static: true }) containerRef!: ElementRef<HTMLDivElement>;\r\n\r\n  /** 播放速度（0.1-5） */\r\n  @Input() ncSpeed: number = 0.6;\r\n  /** 缩放比例（0.1-3） */\r\n  @Input() ncScale: number = 1.5;\r\n  /** 亮度（0.1-3） */\r\n  @Input() ncBrightness: number = 1.0;\r\n  /** 光晕颜色1 */\r\n  @Input() ncColor1: string = '#f7f7f7';\r\n  /** 光晕颜色2 */\r\n  @Input() ncColor2: string = '#e100ff';\r\n  /** 噪声频率（0.5-10） */\r\n  @Input() ncNoiseFrequency: number = 2.5;\r\n  /** 噪声幅度（0.5-10） */\r\n  @Input() ncNoiseAmplitude: number = 1.0;\r\n  /** 色带高度位置（0-1） */\r\n  @Input() ncBandHeight: number = 0.5;\r\n  /** 色带扩展程度（0.1-3） */\r\n  @Input() ncBandSpread: number = 1.0;\r\n  /** 噪声每层的衰减量（0.01-0.5） */\r\n  @Input() ncOctaveDecay: number = 0.1;\r\n  /** 两层极光之间的时间差（0-1） */\r\n  @Input() ncLayerOffset: number = 0;\r\n  /** 颜色渐变速度（0.1-5） */\r\n  @Input() ncColorSpeed: number = 1.0;\r\n  /** 鼠标事件的影响力（0.1-1） */\r\n  @Input() ncMouseInfluence: number = 0.25;\r\n\r\n  /** 是否启用鼠标交互 */\r\n  private _enableMouseInteraction: boolean = true;\r\n  @Input()\r\n  set ncEnableMouseInteraction(val: boolean | string) {\r\n    this._enableMouseInteraction = val !== null && val !== undefined && val !== false && val !== 'false';\r\n  }\r\n  get ncEnableMouseInteraction(): boolean {\r\n    return this._enableMouseInteraction;\r\n  }\r\n\r\n  private renderer!: THREE.WebGLRenderer;\r\n  private scene!: THREE.Scene;\r\n  private camera!: THREE.OrthographicCamera;\r\n  private material!: THREE.ShaderMaterial;\r\n  private mesh!: THREE.Mesh;\r\n  private animationFrameId: number | null = null;\r\n  private targetMouse: [number, number] = [0.5, 0.5];\r\n  private currentMouse: [number, number] = [0.5, 0.5];\r\n  private resizeObserver!: ResizeObserver;\r\n  private timeOffset: number = 0;\r\n  private lastTime: number = 0;\r\n\r\n  constructor(private ngZone: NgZone) { }\r\n\r\n  ngOnInit(): void { }\r\n\r\n  ngAfterViewInit(): void {\r\n    this.ngZone.runOutsideAngular(() => {\r\n      this.initThreeJS();\r\n    });\r\n  }\r\n\r\n  ngOnDestroy(): void {\r\n    this.cleanup();\r\n  }\r\n\r\n  ngOnChanges(changes: SimpleChanges): void {\r\n    if (!this.material) return;\r\n\r\n    if (changes['ncSpeed']) this.material.uniforms['uSpeed'].value = this.ncSpeed;\r\n    if (changes['ncScale']) this.material.uniforms['uScale'].value = this.ncScale;\r\n    if (changes['ncBrightness']) this.material.uniforms['uBrightness'].value = this.ncBrightness;\r\n    if (changes['ncColor1']) this.material.uniforms['uColor1'].value.set(this.ncColor1);\r\n    if (changes['ncColor2']) this.material.uniforms['uColor2'].value.set(this.ncColor2);\r\n    if (changes['ncNoiseFrequency']) this.material.uniforms['uNoiseFreq'].value = this.ncNoiseFrequency;\r\n    if (changes['ncNoiseAmplitude']) this.material.uniforms['uNoiseAmp'].value = this.ncNoiseAmplitude;\r\n    if (changes['ncBandHeight']) this.material.uniforms['uBandHeight'].value = this.ncBandHeight;\r\n    if (changes['ncBandSpread']) this.material.uniforms['uBandSpread'].value = this.ncBandSpread;\r\n    if (changes['ncOctaveDecay']) this.material.uniforms['uOctaveDecay'].value = this.ncOctaveDecay;\r\n    if (changes['ncLayerOffset']) this.material.uniforms['uLayerOffset'].value = this.ncLayerOffset;\r\n    if (changes['ncColorSpeed']) this.material.uniforms['uColorSpeed'].value = this.ncColorSpeed;\r\n    if (changes['ncMouseInfluence']) this.material.uniforms['uMouseInfluence'].value = this.ncMouseInfluence;\r\n    if (changes['ncEnableMouseInteraction']) this.material.uniforms['uEnableMouse'].value = this.ncEnableMouseInteraction;\r\n  }\r\n\r\n  @HostListener('mousemove', ['$event'])\r\n  onMouseMove(e: MouseEvent): void {\r\n    if (!this.ncEnableMouseInteraction || !this.renderer) return;\r\n\r\n    const canvas = this.renderer.domElement;\r\n    const rect = canvas.getBoundingClientRect();\r\n\r\n    if (rect.width === 0 || rect.height === 0) return;\r\n\r\n    this.targetMouse = [\r\n      (e.clientX - rect.left) / rect.width,\r\n      1.0 - (e.clientY - rect.top) / rect.height\r\n    ];\r\n  }\r\n\r\n  @HostListener('mouseleave')\r\n  onMouseLeave(): void {\r\n    if (!this.ncEnableMouseInteraction) return;\r\n    this.targetMouse = [0.5, 0.5];\r\n  }\r\n\r\n  private initThreeJS(): void {\r\n    const container = this.containerRef.nativeElement;\r\n\r\n    this.renderer = new THREE.WebGLRenderer({ alpha: true, antialias: false, premultipliedAlpha: false });\r\n    this.renderer.setClearColor(0x000000, 0); // transparent background\r\n\r\n    this.scene = new THREE.Scene();\r\n\r\n    this.camera = new THREE.OrthographicCamera(-1, 1, 1, -1, 0, 1);\r\n\r\n    this.material = new THREE.ShaderMaterial({\r\n      vertexShader,\r\n      fragmentShader,\r\n      transparent: true,\r\n      uniforms: {\r\n        uTime: { value: 0 },\r\n        uResolution: { value: new THREE.Vector3() },\r\n        uSpeed: { value: this.ncSpeed },\r\n        uScale: { value: this.ncScale },\r\n        uBrightness: { value: this.ncBrightness },\r\n        uColor1: { value: new THREE.Color(this.ncColor1) },\r\n        uColor2: { value: new THREE.Color(this.ncColor2) },\r\n        uNoiseFreq: { value: this.ncNoiseFrequency },\r\n        uNoiseAmp: { value: this.ncNoiseAmplitude },\r\n        uBandHeight: { value: this.ncBandHeight },\r\n        uBandSpread: { value: this.ncBandSpread },\r\n        uOctaveDecay: { value: this.ncOctaveDecay },\r\n        uLayerOffset: { value: this.ncLayerOffset },\r\n        uColorSpeed: { value: this.ncColorSpeed },\r\n        uMouse: { value: new THREE.Vector2(0.5, 0.5) },\r\n        uMouseInfluence: { value: this.ncMouseInfluence },\r\n        uEnableMouse: { value: this.ncEnableMouseInteraction }\r\n      }\r\n    });\r\n\r\n    const geometry = new THREE.PlaneGeometry(2, 2);\r\n    this.mesh = new THREE.Mesh(geometry, this.material);\r\n    this.scene.add(this.mesh);\r\n\r\n    container.appendChild(this.renderer.domElement);\r\n\r\n    this.resizeObserver = new ResizeObserver(() => this.resize());\r\n    this.resizeObserver.observe(container);\r\n    this.resize();\r\n\r\n    this.lastTime = performance.now();\r\n    this.animate();\r\n  }\r\n\r\n  private resize(): void {\r\n    if (!this.containerRef || !this.renderer) return;\r\n    const container = this.containerRef.nativeElement;\r\n    const width = container.offsetWidth;\r\n    const height = container.offsetHeight;\r\n\r\n    if (width === 0 || height === 0) return;\r\n\r\n    this.renderer.setSize(width, height);\r\n    if (this.material) {\r\n      this.material.uniforms['uResolution'].value.set(width, height, width / height);\r\n    }\r\n  }\r\n\r\n  private animate = (): void => {\r\n    this.animationFrameId = requestAnimationFrame(this.animate);\r\n\r\n    const currentTime = performance.now();\r\n    this.timeOffset += (currentTime - this.lastTime);\r\n    this.lastTime = currentTime;\r\n\r\n    if (this.material) {\r\n      this.material.uniforms['uTime'].value = this.timeOffset * 0.001;\r\n\r\n      if (this.ncEnableMouseInteraction) {\r\n        this.currentMouse[0] += 0.05 * (this.targetMouse[0] - this.currentMouse[0]);\r\n        this.currentMouse[1] += 0.05 * (this.targetMouse[1] - this.currentMouse[1]);\r\n        this.material.uniforms['uMouse'].value.set(this.currentMouse[0], this.currentMouse[1]);\r\n      } else {\r\n        this.material.uniforms['uMouse'].value.set(0.5, 0.5);\r\n      }\r\n\r\n      this.renderer.render(this.scene, this.camera);\r\n    }\r\n  };\r\n\r\n  private cleanup(): void {\r\n    if (this.animationFrameId !== null) {\r\n      cancelAnimationFrame(this.animationFrameId);\r\n      this.animationFrameId = null;\r\n    }\r\n\r\n    if (this.resizeObserver) {\r\n      this.resizeObserver.disconnect();\r\n    }\r\n\r\n    if (this.renderer && this.containerRef) {\r\n      const container = this.containerRef.nativeElement;\r\n      if (container.contains(this.renderer.domElement)) {\r\n        container.removeChild(this.renderer.domElement);\r\n      }\r\n      this.renderer.dispose();\r\n      this.renderer.forceContextLoss();\r\n    }\r\n\r\n    if (this.mesh) {\r\n      if (this.mesh.geometry) this.mesh.geometry.dispose();\r\n      if (this.material) this.material.dispose();\r\n    }\r\n  }\r\n}\r\n","<div #container class=\"nc-soft-aurora-canvas-container\"></div>\r\n<div class=\"nc-content-wrapper\">\r\n    <ng-content></ng-content>\r\n</div>\r\n"]}