fix: logo 右半部分从 CODING 改为 CODE
去掉难以正确渲染的 N 和 G 字母，右半部分简化为 CODE（4 字母）， 与左半部分 AIR 组合为 AIR CODE。
This commit is contained in:
airlongdian
436
packages/tui/src/component/bg-pulse-render.ts
Normal file
436
packages/tui/src/component/bg-pulse-render.ts
Normal file
@@ -0,0 +1,436 @@
|
||||
import { OptimizedBuffer, RGBA, TextAttributes } from "@opentui/core"
|
||||
import { go } from "../logo"
|
||||
|
||||
const PERIOD = 4600
|
||||
const RINGS = 3
|
||||
const WIDTH = 3.8
|
||||
const TAIL = 9.5
|
||||
const AMP = 0.55
|
||||
const TAIL_AMP = 0.16
|
||||
const BREATH_AMP = 0.05
|
||||
const BREATH_SPEED = 0.0008
|
||||
// Offset so the bg ring emits from the estimated GO center when the logo shimmer peaks.
|
||||
const PHASE_OFFSET = 0.29
|
||||
const LOGO_GAP = 1
|
||||
const LOGO_TOP_BIAS = -1
|
||||
const LOGO_LEFT_WIDTH = go.left[0]?.length ?? 0
|
||||
const LOGO_LINES = go.left.map((line, index) => line + " ".repeat(LOGO_GAP) + go.right[index])
|
||||
const LOGO_WIDTH = LOGO_LINES[0]?.length ?? 0
|
||||
const LOGO_HEIGHT = LOGO_LINES.length
|
||||
const SPACE = " ".codePointAt(0)!
|
||||
const TOP_HALF = "▀".codePointAt(0)!
|
||||
const FULL_BLOCK = "█".codePointAt(0)!
|
||||
const RING_SCALE = 1 / RINGS
|
||||
const TAIL_SCALE = 1 / TAIL
|
||||
const LOGO_REACH = Math.hypot(LOGO_WIDTH, LOGO_HEIGHT * 2) + 3
|
||||
|
||||
const enum LogoCellKind {
|
||||
Background,
|
||||
Top,
|
||||
ShadowTop,
|
||||
Solid,
|
||||
Char,
|
||||
}
|
||||
|
||||
type LogoTemplateCell = {
|
||||
x: number
|
||||
y: number
|
||||
kind: LogoCellKind
|
||||
charCode: number
|
||||
attributes: number
|
||||
topDist: number
|
||||
bottomDist: number
|
||||
}
|
||||
|
||||
const LOGO_TEMPLATE: LogoTemplateCell[] = LOGO_LINES.flatMap((line, y) =>
|
||||
Array.from(line)
|
||||
.map((char, x) => {
|
||||
if (char === " ") return
|
||||
const kind =
|
||||
char === "_"
|
||||
? LogoCellKind.Background
|
||||
: char === "^"
|
||||
? LogoCellKind.Top
|
||||
: char === "~"
|
||||
? LogoCellKind.ShadowTop
|
||||
: char === "█"
|
||||
? LogoCellKind.Solid
|
||||
: LogoCellKind.Char
|
||||
return {
|
||||
x,
|
||||
y,
|
||||
kind,
|
||||
charCode: char.codePointAt(0) ?? SPACE,
|
||||
attributes: x > LOGO_LEFT_WIDTH ? TextAttributes.BOLD : 0,
|
||||
topDist: Math.hypot(x + 0.5 - LOGO_WIDTH / 2, y * 2 - LOGO_HEIGHT),
|
||||
bottomDist: Math.hypot(x + 0.5 - LOGO_WIDTH / 2, y * 2 + 1 - LOGO_HEIGHT),
|
||||
}
|
||||
})
|
||||
.filter((cell): cell is LogoTemplateCell => !!cell),
|
||||
)
|
||||
|
||||
export type Rgb = [number, number, number]
|
||||
|
||||
export type GoUpsellArtRenderOptions = {
|
||||
deltaTime?: number
|
||||
rgb?: boolean
|
||||
cache?: boolean
|
||||
}
|
||||
|
||||
const CACHE_FRAME_COUNT = Math.round(PERIOD / (1000 / 30))
|
||||
const CACHE_FRAMES_PER_RENDER = 1
|
||||
|
||||
export function toRgb(color: RGBA): Rgb {
|
||||
const [r, g, b] = color.toInts()
|
||||
return [r, g, b]
|
||||
}
|
||||
|
||||
function clamp(n: number) {
|
||||
return Math.max(0, Math.min(1, n))
|
||||
}
|
||||
|
||||
function writeRgb(buffer: Uint16Array, offset: number, r: number, g: number, b: number, a = 255) {
|
||||
buffer[offset] = r
|
||||
buffer[offset + 1] = g
|
||||
buffer[offset + 2] = b
|
||||
buffer[offset + 3] = a
|
||||
}
|
||||
|
||||
function mixChannel(base: number, overlay: number, alpha: number) {
|
||||
return Math.round(base + (overlay - base) * clamp(alpha))
|
||||
}
|
||||
|
||||
function writeLogoTint(
|
||||
buffer: Uint16Array,
|
||||
offset: number,
|
||||
base: Rgb,
|
||||
primary: Rgb,
|
||||
primaryMix: number,
|
||||
peakMix: number,
|
||||
) {
|
||||
const p = clamp(primaryMix)
|
||||
const q = clamp(peakMix)
|
||||
const r = mixChannel(mixChannel(base[0], primary[0], p), 255, q)
|
||||
const g = mixChannel(mixChannel(base[1], primary[1], p), 255, q)
|
||||
const b = mixChannel(mixChannel(base[2], primary[2], p), 255, q)
|
||||
writeRgb(buffer, offset, r, g, b)
|
||||
}
|
||||
|
||||
function sameRgb(a: Rgb, b: Rgb) {
|
||||
return a[0] === b[0] && a[1] === b[1] && a[2] === b[2]
|
||||
}
|
||||
|
||||
export class GoUpsellArtPainter {
|
||||
private panelRgb: Rgb = [0, 0, 0]
|
||||
private primaryRgb: Rgb = [255, 255, 255]
|
||||
private logoBaseRgb: Rgb = [180, 180, 180]
|
||||
private elapsed = 0
|
||||
private distances = new Float32Array(0)
|
||||
private edgeFalloff = new Float32Array(0)
|
||||
private geometryWidth = 0
|
||||
private geometryHeight = 0
|
||||
private reach = 1
|
||||
private logoX = 0
|
||||
private logoY = 0
|
||||
private logoIndexes = new Int32Array(0)
|
||||
private logoRgb: boolean | undefined
|
||||
private pulsePeak = 0
|
||||
private pulsePrimary = 0
|
||||
private cacheDirty = true
|
||||
private frameCache: Array<{ fg: Uint16Array; bg: Uint16Array }> = []
|
||||
private cacheBuildIndex = 0
|
||||
|
||||
setBackgroundPanel(value: RGBA | Rgb | undefined) {
|
||||
if (!value) return false
|
||||
const next = value instanceof RGBA ? toRgb(value) : value
|
||||
if (sameRgb(this.panelRgb, next)) return false
|
||||
this.panelRgb = next
|
||||
this.invalidateCache()
|
||||
return true
|
||||
}
|
||||
|
||||
setLogoBase(value: RGBA | Rgb | undefined) {
|
||||
if (!value) return false
|
||||
const next = value instanceof RGBA ? toRgb(value) : value
|
||||
if (sameRgb(this.logoBaseRgb, next)) return false
|
||||
this.logoBaseRgb = next
|
||||
this.invalidateCache()
|
||||
return true
|
||||
}
|
||||
|
||||
setPrimary(value: RGBA | Rgb | undefined) {
|
||||
if (!value) return false
|
||||
const next = value instanceof RGBA ? toRgb(value) : value
|
||||
if (sameRgb(this.primaryRgb, next)) return false
|
||||
this.primaryRgb = next
|
||||
this.invalidateCache()
|
||||
return true
|
||||
}
|
||||
|
||||
render(frameBuffer: OptimizedBuffer, options: GoUpsellArtRenderOptions = {}) {
|
||||
const rgb = options.rgb === true
|
||||
this.elapsed = (this.elapsed + (options.deltaTime ?? 0)) % PERIOD
|
||||
this.rebuildGeometry(frameBuffer, rgb)
|
||||
if (options.cache !== false) {
|
||||
this.drawCached(frameBuffer, rgb)
|
||||
return
|
||||
}
|
||||
this.drawBackground(frameBuffer, this.elapsed)
|
||||
this.drawLogo(frameBuffer, this.elapsed, rgb)
|
||||
}
|
||||
|
||||
private invalidateCache() {
|
||||
this.cacheDirty = true
|
||||
this.cacheBuildIndex = 0
|
||||
this.frameCache = []
|
||||
}
|
||||
|
||||
private rebuildGeometry(frameBuffer: OptimizedBuffer, rgb: boolean) {
|
||||
const width = frameBuffer.width
|
||||
const height = frameBuffer.height
|
||||
const geometryChanged = width !== this.geometryWidth || height !== this.geometryHeight
|
||||
const logoTemplateChanged = this.logoRgb !== rgb
|
||||
if (!geometryChanged && !logoTemplateChanged) return
|
||||
|
||||
if (geometryChanged) {
|
||||
this.geometryWidth = width
|
||||
this.geometryHeight = height
|
||||
this.logoX = Math.max(0, Math.floor((width - LOGO_WIDTH) / 2))
|
||||
this.logoY = Math.max(
|
||||
0,
|
||||
Math.min(Math.max(0, height - LOGO_HEIGHT), Math.round((height - LOGO_HEIGHT) / 2) + LOGO_TOP_BIAS),
|
||||
)
|
||||
|
||||
const centerX = this.logoX + LOGO_WIDTH / 2
|
||||
const centerY = this.logoY + LOGO_HEIGHT / 2
|
||||
this.reach = Math.hypot(Math.max(centerX, width - centerX), Math.max(centerY, height - centerY) * 2) + TAIL
|
||||
this.distances = new Float32Array(width * height)
|
||||
this.edgeFalloff = new Float32Array(width * height)
|
||||
|
||||
for (let y = 0; y < height; y++) {
|
||||
for (let x = 0; x < width; x++) {
|
||||
const index = y * width + x
|
||||
const dist = Math.hypot(x + 0.5 - centerX, (y + 0.5 - centerY) * 2)
|
||||
this.distances[index] = dist
|
||||
this.edgeFalloff[index] = Math.max(0, 1 - (dist / (this.reach * 0.85)) ** 2)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
this.logoRgb = rgb
|
||||
this.invalidateCache()
|
||||
this.rebuildCellTemplate(frameBuffer, rgb)
|
||||
}
|
||||
|
||||
private drawCached(frameBuffer: OptimizedBuffer, rgb: boolean) {
|
||||
if (this.cacheDirty) this.startFrameCache(frameBuffer, rgb)
|
||||
if (this.cacheBuildIndex < CACHE_FRAME_COUNT) {
|
||||
this.buildFrameCache(frameBuffer, rgb)
|
||||
this.drawBackground(frameBuffer, this.elapsed)
|
||||
this.drawLogo(frameBuffer, this.elapsed, rgb)
|
||||
return
|
||||
}
|
||||
|
||||
const frame = this.frameCache[Math.floor((this.elapsed / PERIOD) * CACHE_FRAME_COUNT) % CACHE_FRAME_COUNT]
|
||||
if (frame) {
|
||||
frameBuffer.buffers.fg.set(frame.fg)
|
||||
frameBuffer.buffers.bg.set(frame.bg)
|
||||
}
|
||||
}
|
||||
|
||||
private startFrameCache(frameBuffer: OptimizedBuffer, rgb: boolean) {
|
||||
this.frameCache = []
|
||||
this.cacheBuildIndex = 0
|
||||
this.rebuildCellTemplate(frameBuffer, rgb)
|
||||
this.cacheDirty = false
|
||||
}
|
||||
|
||||
private buildFrameCache(frameBuffer: OptimizedBuffer, rgb: boolean) {
|
||||
const end = Math.min(CACHE_FRAME_COUNT, this.cacheBuildIndex + CACHE_FRAMES_PER_RENDER)
|
||||
for (; this.cacheBuildIndex < end; this.cacheBuildIndex++) {
|
||||
const t = (this.cacheBuildIndex / CACHE_FRAME_COUNT) * PERIOD
|
||||
this.drawBackground(frameBuffer, t)
|
||||
this.drawLogo(frameBuffer, t, rgb)
|
||||
this.frameCache.push({
|
||||
fg: new Uint16Array(frameBuffer.buffers.fg),
|
||||
bg: new Uint16Array(frameBuffer.buffers.bg),
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
private rebuildCellTemplate(frameBuffer: OptimizedBuffer, rgb: boolean) {
|
||||
const buffers = frameBuffer.buffers
|
||||
buffers.char.fill(SPACE)
|
||||
buffers.attributes.fill(0)
|
||||
|
||||
if (this.geometryWidth < LOGO_WIDTH || this.geometryHeight < LOGO_HEIGHT) {
|
||||
this.logoIndexes = new Int32Array(0)
|
||||
return
|
||||
}
|
||||
|
||||
this.logoIndexes = new Int32Array(LOGO_TEMPLATE.length)
|
||||
for (let i = 0; i < LOGO_TEMPLATE.length; i++) {
|
||||
const cell = LOGO_TEMPLATE[i]!
|
||||
const index = (this.logoY + cell.y) * this.geometryWidth + this.logoX + cell.x
|
||||
this.logoIndexes[i] = index
|
||||
buffers.attributes[index] = cell.attributes
|
||||
buffers.char[index] =
|
||||
cell.kind === LogoCellKind.Background
|
||||
? SPACE
|
||||
: cell.kind === LogoCellKind.Top || cell.kind === LogoCellKind.ShadowTop
|
||||
? TOP_HALF
|
||||
: cell.kind === LogoCellKind.Solid
|
||||
? rgb
|
||||
? TOP_HALF
|
||||
: FULL_BLOCK
|
||||
: cell.charCode
|
||||
}
|
||||
}
|
||||
|
||||
private drawBackground(frameBuffer: OptimizedBuffer, t: number) {
|
||||
const buffers = frameBuffer.buffers
|
||||
const fg = buffers.fg
|
||||
const bg = buffers.bg
|
||||
const distances = this.distances
|
||||
const edgeFalloff = this.edgeFalloff
|
||||
const baseR = this.panelRgb[0]
|
||||
const baseG = this.panelRgb[1]
|
||||
const baseB = this.panelRgb[2]
|
||||
const deltaR = this.primaryRgb[0] - baseR
|
||||
const deltaG = this.primaryRgb[1] - baseG
|
||||
const deltaB = this.primaryRgb[2] - baseB
|
||||
const breath = (0.5 + 0.5 * Math.sin(t * BREATH_SPEED)) * BREATH_AMP
|
||||
|
||||
const phase0 = (t / PERIOD - PHASE_OFFSET + 1) % 1
|
||||
const phase1 = (t / PERIOD + 1 / RINGS - PHASE_OFFSET + 1) % 1
|
||||
const phase2 = (t / PERIOD + 2 / RINGS - PHASE_OFFSET + 1) % 1
|
||||
const envelope0 = Math.sin(phase0 * Math.PI)
|
||||
const envelope1 = Math.sin(phase1 * Math.PI)
|
||||
const envelope2 = Math.sin(phase2 * Math.PI)
|
||||
const eased0 = envelope0 * envelope0 * (3 - 2 * envelope0)
|
||||
const eased1 = envelope1 * envelope1 * (3 - 2 * envelope1)
|
||||
const eased2 = envelope2 * envelope2 * (3 - 2 * envelope2)
|
||||
const head0 = phase0 * this.reach
|
||||
const head1 = phase1 * this.reach
|
||||
const head2 = phase2 * this.reach
|
||||
|
||||
for (let index = 0; index < distances.length; index++) {
|
||||
const dist = distances[index]
|
||||
const delta0 = dist - head0
|
||||
const abs0 = delta0 < 0 ? -delta0 : delta0
|
||||
const crest0 = abs0 < WIDTH ? 0.5 + 0.5 * Math.cos((delta0 / WIDTH) * Math.PI) : 0
|
||||
const tail0 = delta0 < 0 && delta0 > -TAIL ? (1 + delta0 * TAIL_SCALE) ** 2.3 : 0
|
||||
|
||||
const delta1 = dist - head1
|
||||
const abs1 = delta1 < 0 ? -delta1 : delta1
|
||||
const crest1 = abs1 < WIDTH ? 0.5 + 0.5 * Math.cos((delta1 / WIDTH) * Math.PI) : 0
|
||||
const tail1 = delta1 < 0 && delta1 > -TAIL ? (1 + delta1 * TAIL_SCALE) ** 2.3 : 0
|
||||
|
||||
const delta2 = dist - head2
|
||||
const abs2 = delta2 < 0 ? -delta2 : delta2
|
||||
const crest2 = abs2 < WIDTH ? 0.5 + 0.5 * Math.cos((delta2 / WIDTH) * Math.PI) : 0
|
||||
const tail2 = delta2 < 0 && delta2 > -TAIL ? (1 + delta2 * TAIL_SCALE) ** 2.3 : 0
|
||||
|
||||
const level =
|
||||
(crest0 * AMP + tail0 * TAIL_AMP) * eased0 +
|
||||
(crest1 * AMP + tail1 * TAIL_AMP) * eased1 +
|
||||
(crest2 * AMP + tail2 * TAIL_AMP) * eased2
|
||||
const rawStrength = (level * RING_SCALE + breath) * edgeFalloff[index]
|
||||
const strength = (rawStrength > 1 ? 1 : rawStrength) * 0.7
|
||||
const offset = index * 4
|
||||
const r = Math.round(baseR + deltaR * strength)
|
||||
const g = Math.round(baseG + deltaG * strength)
|
||||
const b = Math.round(baseB + deltaB * strength)
|
||||
bg[offset] = fg[offset] = r
|
||||
bg[offset + 1] = fg[offset + 1] = g
|
||||
bg[offset + 2] = fg[offset + 2] = b
|
||||
bg[offset + 3] = fg[offset + 3] = 255
|
||||
}
|
||||
}
|
||||
|
||||
private setLogoPulse(dist: number, head0: number, eased0: number, head1: number, eased1: number) {
|
||||
let peak = 0.04
|
||||
let primary = 0
|
||||
|
||||
const delta0 = dist - head0
|
||||
const core0 = Math.exp(-(Math.abs(delta0 / 1.2) ** 1.8))
|
||||
const soft0 = Math.exp(-(Math.abs(delta0 / 7) ** 1.6))
|
||||
const tail0 = delta0 < 0 && delta0 > -7 ? (1 + delta0 / 7) ** 2.6 : 0
|
||||
peak += core0 * 0.65 * eased0
|
||||
primary += (soft0 * 0.16 + tail0 * 0.22) * eased0
|
||||
|
||||
const delta1 = dist - head1
|
||||
const core1 = Math.exp(-(Math.abs(delta1 / 1.2) ** 1.8))
|
||||
const soft1 = Math.exp(-(Math.abs(delta1 / 7) ** 1.6))
|
||||
const tail1 = delta1 < 0 && delta1 > -7 ? (1 + delta1 / 7) ** 2.6 : 0
|
||||
peak += core1 * 0.65 * eased1
|
||||
primary += (soft1 * 0.16 + tail1 * 0.22) * eased1
|
||||
|
||||
this.pulsePeak = peak > 1 ? 1 : peak
|
||||
this.pulsePrimary = primary > 1 ? 1 : primary
|
||||
}
|
||||
|
||||
private drawLogo(frameBuffer: OptimizedBuffer, t: number, rgb: boolean) {
|
||||
if (this.logoIndexes.length === 0) return
|
||||
|
||||
const buffers = frameBuffer.buffers
|
||||
const fg = buffers.fg
|
||||
const bg = buffers.bg
|
||||
const shadow: Rgb = [
|
||||
mixChannel(this.panelRgb[0], this.logoBaseRgb[0], 0.25),
|
||||
mixChannel(this.panelRgb[1], this.logoBaseRgb[1], 0.25),
|
||||
mixChannel(this.panelRgb[2], this.logoBaseRgb[2], 0.25),
|
||||
]
|
||||
const phase0 = (t / PERIOD) % 1
|
||||
const phase1 = (t / PERIOD + 0.5) % 1
|
||||
const envelope0 = Math.sin(phase0 * Math.PI)
|
||||
const envelope1 = Math.sin(phase1 * Math.PI)
|
||||
const eased0 = envelope0 * envelope0 * (3 - 2 * envelope0)
|
||||
const eased1 = envelope1 * envelope1 * (3 - 2 * envelope1)
|
||||
const head0 = phase0 * LOGO_REACH
|
||||
const head1 = phase1 * LOGO_REACH
|
||||
|
||||
for (let i = 0; i < LOGO_TEMPLATE.length; i++) {
|
||||
const cell = LOGO_TEMPLATE[i]!
|
||||
const index = this.logoIndexes[i]!
|
||||
const offset = index * 4
|
||||
this.setLogoPulse(cell.topDist, head0, eased0, head1, eased1)
|
||||
const topPeak = this.pulsePeak
|
||||
const topPrimary = this.pulsePrimary
|
||||
this.setLogoPulse(cell.bottomDist, head0, eased0, head1, eased1)
|
||||
const bottomPeak = this.pulsePeak
|
||||
const bottomPrimary = this.pulsePrimary
|
||||
|
||||
if (cell.kind === LogoCellKind.Background) {
|
||||
writeLogoTint(bg, offset, shadow, this.primaryRgb, 0, Math.max(topPeak, bottomPeak) * 0.18)
|
||||
continue
|
||||
}
|
||||
|
||||
if (cell.kind === LogoCellKind.Top) {
|
||||
writeLogoTint(fg, offset, this.logoBaseRgb, this.primaryRgb, topPrimary, topPeak)
|
||||
writeLogoTint(bg, offset, shadow, this.primaryRgb, 0, bottomPeak * 0.18)
|
||||
continue
|
||||
}
|
||||
|
||||
if (cell.kind === LogoCellKind.ShadowTop) {
|
||||
writeLogoTint(fg, offset, shadow, this.primaryRgb, 0, topPeak * 0.18)
|
||||
continue
|
||||
}
|
||||
|
||||
if (cell.kind === LogoCellKind.Solid && rgb) {
|
||||
writeLogoTint(fg, offset, this.logoBaseRgb, this.primaryRgb, topPrimary, topPeak)
|
||||
writeLogoTint(bg, offset, this.logoBaseRgb, this.primaryRgb, bottomPrimary, bottomPeak)
|
||||
continue
|
||||
}
|
||||
|
||||
writeLogoTint(
|
||||
fg,
|
||||
offset,
|
||||
this.logoBaseRgb,
|
||||
this.primaryRgb,
|
||||
(topPrimary + bottomPrimary) / 2,
|
||||
(topPeak + bottomPeak) / 2,
|
||||
)
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user