maksarsanjeev
649 lines
25 KiB
Swift
649 lines
25 KiB
Swift
import SwiftUI
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// MARK: - Timing constants
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private enum GT {
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static let pop0: Double = 1.30
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static let pop1: Double = 1.45
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static let content0: Double = 2.40
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static let tuck0: Double = 2.45
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static let tuck1: Double = 2.70
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static let badge: Double = 2.72
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static let down0: Double = 2.85
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static let down1: Double = 3.45
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static let blink2: Double = 3.70
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static let tint0: Double = 3.85
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static let tint1: Double = 4.15
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static let end: Double = 4.60
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static let autoLeave:Double = 4.90
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static let COLLAPSE: Double = 0.34
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}
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// MARK: - Geometry constants (640×150 reference space)
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private let GC0 = CGPoint(x: 320, y: 90)
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private let GHB: CGFloat = 58
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private let GASP: CGFloat = 1.34
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private let GEAR_X: CGFloat = 40
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private let GEAR_HB:CGFloat = 17
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private let GCARD = CGRect(x: 10, y: 36, width: 620, height: 104)
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private let GCARD_R:CGFloat = 20
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// MARK: - Easing
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private enum GE {
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static func out(_ t: Double) -> Double { 1 - pow(1 - t, 3) }
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static func easeIn(_ t: Double) -> Double { t * t * t }
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static func inOut(_ t: Double) -> Double {
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t < 0.5 ? 4*t*t*t : 1 - pow(-2*t+2, 3)/2
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}
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static func back(_ t: Double) -> Double {
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let c1=1.70158, c3=c1+1
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return 1 + c3*pow(t-1,3) + c1*pow(t-1,2)
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}
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}
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private func gClamp(_ v: Double, _ a: Double, _ b: Double) -> Double { max(a, min(b, v)) }
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private func gLerp(_ a: Double, _ b: Double, _ t: Double) -> Double { a + (b - a) * t }
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private func gSeg(_ t: Double, _ a: Double, _ b: Double) -> Double { gClamp((t-a)/(b-a), 0, 1) }
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private func gLerpF(_ a: CGFloat, _ b: CGFloat, _ t: CGFloat) -> CGFloat { a + (b-a)*t }
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// MARK: - Pose
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private enum GEyeType { case dot, happy, content }
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private struct GreetPose {
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var hb, x, y, sx, sy, tilt: Double
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var eye: GEyeType; var open, eyeRoll: Double
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var lookX, lookY: Double
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var handL, handR, wave: Double
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var badge, tint, halo, haloBlue, minis, fx: Double
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var header, card: Double
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var iw, ih: Double
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}
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// MARK: - Particle data (seeded LCG, seed=7)
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private struct GWarpStreak { let xNorm, speed, len, thick, alpha, t0: Double }
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private struct GRingDot { let a, j, s, al: Double }
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private let greetParticles: (warps: [GWarpStreak], ring: [GRingDot]) = {
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var seed: UInt32 = 7
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func rnd() -> Double {
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seed = (seed &* 1103515245 &+ 12345) & 0x7fffffff
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return Double(seed) / Double(0x7fff_ffff)
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}
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// ~70 white warp streaks for the fall-in (0 → 0.55 s)
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let warps = (0..<70).map { _ in
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GWarpStreak(xNorm: rnd(),
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speed: 400 + rnd() * 300,
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len: 6 + rnd() * 16,
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thick: 1 + rnd() * 0.5,
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alpha: 0.25 + rnd() * 0.55,
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t0: rnd() * 0.35)
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}
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// Single burst ring at 0.45 s, ~90 dots, white
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let ring = (0..<90).map { _ in
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GRingDot(a: rnd() * .pi * 2, j: (rnd()-0.5)*0.22,
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s: 0.7+rnd()*0.9, al: 0.45+rnd()*0.55)
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}
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return (warps, ring)
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}()
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// MARK: - Pose computation
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private func greetPose(_ t: Double, compact: IslandRestingLayout) -> GreetPose {
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// Island size (reference for clip / warp spread)
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let gx = gSeg(t, 0, 0.5)
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let g = sin(.pi*gx/2) + 0.04*sin(.pi*gx)*gx
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let iw = gLerp(Double(compact.width - 160), 640, g)
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let ih = gLerp(Double(compact.height), 150, g)
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let GH = Double(GHB) // 58
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let cx = Double(GC0.x) // 320
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let cy = Double(GC0.y) // 90
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// Body height: invisible before 0.20, grows 0.15→1.0 with back ease
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let hb: Double = t < 0.20 ? 0 : gLerp(GH * 0.15, GH, GE.back(gSeg(t, 0.20, 0.60)))
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// Landmark y positions (absolute, GC0-relative in multiples of GH)
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let restY = cy
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let landY = cy + 0.12 * GH // landing: y=+0.12
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let peakY = cy - 0.15 * GH // bounce peak: y=−0.15
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let dipY = cy + 0.36 * GH // plunge low: y=+0.36
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let springY = cy - 0.10 * GH // spring high: y=−0.10
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let sinkY = cy + 0.30 * GH // sink for tuck: y=+0.30
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// Landmark x positions
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let restX = cx
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let drift1 = cx - 0.16 * GH
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let drift2 = cx - 0.45 * GH
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let drift3 = cx - 0.57 * GH
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let drift4 = cx - 0.85 * GH
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// --- X (lateral travel) ---
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var x: Double
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if t < 0.85 {
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x = restX
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} else if t < 1.20 {
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x = gLerp(restX, drift1, GE.inOut(gSeg(t, 0.85, 1.20)))
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} else if t < 1.30 {
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x = gLerp(drift1, drift2, GE.easeIn(gSeg(t, 1.20, 1.30)))
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} else if t < 1.45 {
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x = gLerp(drift2, drift3, GE.inOut(gSeg(t, 1.30, 1.45)))
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} else if t < 2.40 {
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x = gLerp(drift3, drift4, GE.inOut(gSeg(t, 1.45, 2.40)))
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} else if t < 2.85 {
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x = drift4
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} else {
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x = gLerp(drift4, restX, GE.inOut(gSeg(t, 2.85, 3.45)))
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}
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// --- Y (vertical travel, base without bob) ---
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var y: Double
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if t < 0.20 {
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y = Double(compact.botCenterY)
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} else if t < 0.60 {
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y = gLerp(Double(compact.botCenterY), landY, GE.easeIn(gSeg(t, 0.20, 0.60)))
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} else if t < 0.73 {
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y = gLerp(landY, peakY, GE.out(gSeg(t, 0.60, 0.73)))
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} else if t < 0.90 {
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y = gLerp(peakY, restY, GE.inOut(gSeg(t, 0.73, 0.90)))
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} else if t < 1.20 {
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y = restY
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} else if t < 1.30 {
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y = gLerp(restY, dipY, GE.easeIn(gSeg(t, 1.20, 1.30)))
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} else if t < 1.45 {
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y = gLerp(dipY, springY, GE.out(gSeg(t, 1.30, 1.45)))
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} else if t < 1.60 {
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y = gLerp(springY, restY, GE.inOut(gSeg(t, 1.45, 1.60)))
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} else if t < 2.40 {
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y = restY
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} else if t < 2.70 {
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y = gLerp(restY, sinkY, GE.inOut(gSeg(t, 2.40, 2.70)))
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} else if t < 2.85 {
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y = sinkY
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} else {
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y = gLerp(sinkY, restY, GE.inOut(gSeg(t, 2.85, 3.45)))
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}
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// Body bob: in phase with hand wave, active pop1 → tuck0, ramp-in 0.08 s
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if t >= GT.pop1 && t < GT.tuck0 {
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let w = t - GT.pop1
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let rampIn = gClamp(w / 0.08, 0, 1)
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y += sin(w * 2 * .pi * 5.0) * 0.02 * GH * rampIn
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}
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// --- Scale ---
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var sx = 1.0, sy = 1.0
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// Landing squash (peak at 0.60, pulse 0.52→0.68)
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let landSqK = (t >= 0.52 && t < 0.68) ? sin(.pi * gSeg(t, 0.52, 0.68)) : 0
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// Bounce stretch (peak at 0.73, resolves 0.62→0.84)
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let bounceK = (t >= 0.62 && t < 0.84) ? sin(.pi * gSeg(t, 0.62, 0.84)) : 0
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sx = 1.0 + 0.14 * landSqK - 0.10 * bounceK
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sy = 1.0 - 0.14 * landSqK + 0.18 * bounceK
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// Plunge squash (peaks at 1.30, pulse 1.18→1.42)
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let plungeK = (t >= 1.18 && t < 1.42) ? sin(.pi * gSeg(t, 1.18, 1.42)) : 0
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// Spring stretch (peak at 1.38, resolves 1.30→1.46)
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let springK = (t >= 1.30 && t < 1.46) ? sin(.pi * gSeg(t, 1.30, 1.46)) : 0
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sx += 0.12 * plungeK - 0.18 * springK
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sy -= 0.12 * plungeK - 0.25 * springK
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// Sink squash (peak at 2.70)
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let sinkK: Double
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if t >= 2.38 && t < 2.70 {
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sinkK = GE.inOut(gSeg(t, 2.38, 2.70))
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} else if t >= 2.70 && t < 2.85 {
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sinkK = 1 - GE.inOut(gSeg(t, 2.70, 2.85))
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} else {
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sinkK = 0
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}
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sx += 0.18 * sinkK
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sy -= 0.14 * sinkK
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// Micro squash at 3.70 (with blink)
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let microK = (t >= 3.70 && t < 3.82) ? sin(.pi * gSeg(t, 3.70, 3.82)) : 0
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sx += 0.08 * microK
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sy -= 0.07 * microK
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// --- Eyes ---
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var eye: GEyeType = .dot
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if t >= 0.55 && t < 0.80 { eye = .happy }
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if t >= GT.content0 && t < GT.tuck1 { eye = .content }
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let blink: (Double) -> Double = { tb in
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let k = gSeg(t, tb, tb + 0.12)
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return (k > 0 && k < 1) ? 1 - sin(.pi * k) * 0.94 : 1
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}
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let openVal = min(blink(1.95), min(blink(3.05), blink(GT.blink2)))
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// --- Look ---
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var lookX = 0.0, lookY = 0.0
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if t >= GT.pop1 && t < GT.content0 { // wave: up-right
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lookX = 0.55; lookY = -0.45
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} else if t >= GT.content0 && t < GT.down0 { // tuck: down-left
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lookX = -0.3; lookY = 0.6
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} else if t >= GT.down0 && t < GT.down1 { // slide: down-right (returning)
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lookX = 0.3; lookY = 0.6
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} else if t >= GT.down1 {
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let k = GE.inOut(gSeg(t, GT.down1, GT.down1 + 0.35))
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lookX = gLerp(0.3, 0, k); lookY = gLerp(0.6, 0, k)
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}
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// --- Hands ---
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let handL = t < GT.tuck0
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? GE.back(gSeg(t, GT.pop0, GT.pop0 + 0.14))
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: 1 - GE.easeIn(gSeg(t, GT.tuck0, GT.tuck1 - 0.03))
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let handR = t < GT.tuck0
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? GE.back(gSeg(t, GT.pop0 + 0.04, GT.pop0 + 0.18))
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: 1 - GE.easeIn(gSeg(t, GT.tuck0 + 0.03, GT.tuck1))
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let wave = (t >= GT.pop1 && t < GT.tuck0) ? t - GT.pop1 : -1.0
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return GreetPose(
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hb: hb, x: x, y: y, sx: sx, sy: sy, tilt: 0,
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eye: eye, open: openVal, eyeRoll: 0,
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lookX: lookX, lookY: lookY,
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handL: handL, handR: handR, wave: wave,
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badge: GE.back(gSeg(t, GT.badge, GT.badge + 0.28)),
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tint: 0.6 * GE.inOut(gSeg(t, GT.tint0, GT.tint1)),
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halo: GE.out(gSeg(t, 0.3, 0.7)),
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haloBlue: gSeg(t, GT.tint0, GT.tint1),
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minis: 0, fx: 1,
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header: gSeg(t, 0.35, 0.6), card: gSeg(t, 0.18, 0.45),
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iw: iw, ih: ih
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)
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}
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private func smallPose(_ compact: IslandRestingLayout) -> GreetPose {
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let sw = Double(compact.width)
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return GreetPose(
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hb: Double(GEAR_HB * compact.botDiameter / 20),
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x: 320 - sw/2 + Double(GEAR_X),
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y: Double(compact.botCenterY),
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sx: 1, sy: 1, tilt: 0,
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eye: .dot, open: 1, eyeRoll: 0,
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lookX: 0, lookY: 0,
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handL: 0, handR: 0, wave: -1,
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badge: 1, tint: 0.6, halo: 0.6, haloBlue: 1,
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minis: 1, fx: 1,
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header: 0, card: 0,
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iw: sw, ih: Double(compact.height)
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)
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}
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private func pose(_ t: Double, tc: Double, compact: IslandRestingLayout) -> GreetPose {
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if t < tc { return greetPose(min(t, GT.end + 10), compact: compact) }
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let a = greetPose(tc, compact: compact)
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let b = smallPose(compact)
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let e = GE.inOut(gSeg(t, tc, tc + GT.COLLAPSE))
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var p = a
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p.iw = gLerp(a.iw, b.iw, e); p.ih = gLerp(a.ih, b.ih, e)
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p.x = gLerp(a.x, b.x, e); p.y = gLerp(a.y, b.y, e)
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p.hb = gLerp(a.hb, b.hb, e)
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p.badge = gLerp(a.badge, b.badge, e)
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p.tint = gLerp(a.tint, b.tint, e)
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p.halo = gLerp(a.halo, b.halo, e)
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p.haloBlue = gLerp(a.haloBlue, b.haloBlue, e)
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p.header = a.header * (1 - gSeg(t, tc, tc+0.1))
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p.card = a.card * (1 - gSeg(t, tc, tc+0.18))
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p.handL = a.handL * (1 - gSeg(t, tc, tc+0.15))
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p.handR = a.handR * (1 - gSeg(t, tc, tc+0.15))
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p.wave = a.wave >= 0 ? a.wave : -1
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p.tilt = a.tilt * (1 - e)
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p.sx = gLerp(a.sx, 1, e); p.sy = gLerp(a.sy, 1, e)
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p.eyeRoll = a.eyeRoll * (1 - e)
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let bk = gSeg(t, tc+0.14, tc+0.26)
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p.eye = .dot; p.open = (bk > 0 && bk < 1) ? 1 - sin(.pi*bk)*0.94 : 1
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p.lookX = a.lookX*(1-e); p.lookY = a.lookY*(1-e)
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p.minis = GE.back(gSeg(t, tc+0.24, tc+0.42))
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p.fx = 1 - gSeg(t, tc, tc+0.2)
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return p
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}
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// MARK: - Drawing helpers
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private func gHex(_ hex: String, alpha: CGFloat = 1) -> CGColor {
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let h = hex.trimmingCharacters(in: CharacterSet(charactersIn:"#"))
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let v = UInt64(h, radix: 16) ?? 0
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return CGColor(red: CGFloat((v>>16)&0xFF)/255,
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green: CGFloat((v>>8)&0xFF)/255,
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blue: CGFloat(v&0xFF)/255, alpha: alpha)
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}
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private func gRR(_ ctx: CGContext, _ x: CGFloat, _ y: CGFloat,
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_ w: CGFloat, _ h: CGFloat, _ r: CGFloat) {
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let r = max(0, min(r, w/2, h/2))
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ctx.beginPath()
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ctx.move(to: CGPoint(x: x+r, y: y))
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ctx.addArc(tangent1End: CGPoint(x: x+w, y: y), tangent2End: CGPoint(x: x+w, y: y+h), radius: r)
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ctx.addArc(tangent1End: CGPoint(x: x+w, y: y+h), tangent2End: CGPoint(x: x, y: y+h), radius: r)
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ctx.addArc(tangent1End: CGPoint(x: x, y: y+h), tangent2End: CGPoint(x: x, y: y), radius: r)
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ctx.addArc(tangent1End: CGPoint(x: x, y: y), tangent2End: CGPoint(x: x+r, y: y), radius: r)
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ctx.closePath()
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}
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private func mochiPath(hw: CGFloat, hh: CGFloat) -> CGPath {
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let n: CGFloat = 3.2
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let path = CGMutablePath()
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let steps = 96
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for i in 0...steps {
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let a = CGFloat(i)/CGFloat(steps)*2 * .pi
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let ca = cos(a), sa = sin(a)
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let px = hw * (ca < 0 ? -1 : 1) * pow(abs(ca), 2/n)
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let py = hh * (sa < 0 ? -1 : 1) * pow(abs(sa), 2/n)
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if i == 0 { path.move(to: CGPoint(x: px, y: py)) }
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else { path.addLine(to: CGPoint(x: px, y: py)) }
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}
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path.closeSubpath(); return path
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}
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private func whiteFill(_ ctx: CGContext, _ path: CGPath,
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x0: CGFloat, y0: CGFloat, x1: CGFloat, y1: CGFloat) {
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let cs = CGColorSpaceCreateDeviceRGB()
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let c0 = CGColor(red: 251/255, green: 251/255, blue: 252/255, alpha: 1)
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let c1 = CGColor(red: 231/255, green: 233/255, blue: 236/255, alpha: 1)
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guard let g = CGGradient(colorsSpace: cs, colors: [c0,c1] as CFArray, locations: [0,1]) else { return }
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ctx.saveGState()
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ctx.addPath(path); ctx.clip()
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ctx.drawLinearGradient(g, start: CGPoint(x: x0, y: y0),
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end: CGPoint(x: x1, y: y1),
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options: [.drawsBeforeStartLocation, .drawsAfterEndLocation])
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ctx.restoreGState()
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}
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// Left hand: ball, waves (bobs vertically)
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private func drawHandL(_ ctx: CGContext, hw: CGFloat, hh: CGFloat, p: GreetPose) {
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let k = CGFloat(p.handL); guard k > 0.01 else { return }
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let hb = hh * 2
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let r = hb * 0.15 * k
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let rx = gLerpF(-hw * 0.35, -hw - hb * 0.22, k)
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let ry0 = gLerpF(hh * 0.85, hh * 0.62, k)
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var ry = Double(ry0)
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if p.wave >= 0 {
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let w = p.wave
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// Ramp in 0.08 s after pop1; ramp out over tuck0→tuck1
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let rampIn = gClamp(w / 0.08, 0, 1)
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let waveEnd = GT.tuck0 - GT.pop1 // = 1.00
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let rampOut = 1 - gClamp((w - waveEnd) / (GT.tuck1 - GT.tuck0), 0, 1)
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let ramp = rampIn * rampOut
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ry += sin(w * 2 * .pi * 5.0) * Double(hb) * 0.14 * ramp
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}
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ctx.saveGState()
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ctx.translateBy(x: rx, y: CGFloat(ry))
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||
let circ = CGPath(ellipseIn: CGRect(x: -r, y: -r, width: r*2, height: r*2), transform: nil)
|
||
whiteFill(ctx, circ, x0: r, y0: -r, x1: -r, y1: r)
|
||
ctx.addEllipse(in: CGRect(x: -r, y: -r, width: r*2, height: r*2))
|
||
ctx.setStrokeColor(CGColor(red: 0, green: 0, blue: 0, alpha: 0.08))
|
||
ctx.setLineWidth(0.8); ctx.strokePath()
|
||
ctx.restoreGState()
|
||
}
|
||
|
||
// Right hand: capsule, quasi-static with breathing rotation ±0.04 rad at 2.5 Hz
|
||
private func drawHandR(_ ctx: CGContext, hw: CGFloat, hh: CGFloat, p: GreetPose) {
|
||
let k = CGFloat(p.handR); guard k > 0.01 else { return }
|
||
let hb = hh * 2, L = hb * 0.40 * k, T2 = hb * 0.22 * k
|
||
let rx0 = gLerpF(hw * 0.35, hw + hb * 0.20, k)
|
||
let ry0 = gLerpF(hh * 0.85, hh * 0.20, k)
|
||
// Breathing rotation ±0.04 rad at 2.5 Hz, only while wave is active; no displacement
|
||
let ang: CGFloat = p.wave >= 0
|
||
? -0.61 + CGFloat(sin(p.wave * 2 * .pi * 2.5)) * 0.04
|
||
: -0.61
|
||
ctx.saveGState()
|
||
ctx.translateBy(x: rx0, y: ry0)
|
||
ctx.rotate(by: ang)
|
||
let cap = CGMutablePath()
|
||
gRR(ctx, -L/2, -T2/2, L, T2, T2/2)
|
||
cap.addPath(ctx.path!)
|
||
ctx.beginPath()
|
||
whiteFill(ctx, cap, x0: L/2, y0: -T2/2, x1: -L/2, y1: T2/2)
|
||
gRR(ctx, -L/2, -T2/2, L, T2, T2/2)
|
||
ctx.setStrokeColor(CGColor(red: 0, green: 0, blue: 0, alpha: 0.08))
|
||
ctx.setLineWidth(0.8); ctx.strokePath()
|
||
ctx.restoreGState()
|
||
}
|
||
|
||
private func drawMochi(_ ctx: CGContext, p: GreetPose) {
|
||
let hh = CGFloat(p.hb/2), hw = hh*GASP; guard hh > 0.4 else { return }
|
||
|
||
// Halo (golden → blue)
|
||
if p.halo > 0 {
|
||
let bl = CGFloat(p.haloBlue)
|
||
let cr = gLerpF(232/255, 59/255, bl)
|
||
let cg = gLerpF(195/255, 158/255, bl)
|
||
let cb = gLerpF(154/255, 255/255, bl)
|
||
let cs = CGColorSpaceCreateDeviceRGB()
|
||
let px = CGFloat(p.x), py = CGFloat(p.y)
|
||
let R1 = hw * 2.6
|
||
let ic1 = CGColor(red: cr, green: cg, blue: cb, alpha: CGFloat(0.18 * p.halo))
|
||
let oc1 = CGColor(red: cr, green: cg, blue: cb, alpha: 0)
|
||
if let g1 = CGGradient(colorsSpace: cs, colors: [ic1,oc1] as CFArray, locations: [0,1]) {
|
||
ctx.saveGState()
|
||
ctx.addEllipse(in: CGRect(x: px-R1, y: py-R1, width: R1*2, height: R1*2))
|
||
ctx.clip()
|
||
ctx.drawRadialGradient(g1, startCenter: CGPoint(x: px,y: py), startRadius: 0,
|
||
endCenter: CGPoint(x: px,y: py), endRadius: R1, options: [])
|
||
ctx.restoreGState()
|
||
}
|
||
let R2 = hw * 4.2
|
||
let ic2 = CGColor(red: cr, green: cg, blue: cb, alpha: CGFloat(0.07 * p.halo))
|
||
let oc2 = CGColor(red: cr, green: cg, blue: cb, alpha: 0)
|
||
if let g2 = CGGradient(colorsSpace: cs, colors: [ic2,oc2] as CFArray, locations: [0,1]) {
|
||
ctx.saveGState()
|
||
ctx.addEllipse(in: CGRect(x: px-R2, y: py-R2, width: R2*2, height: R2*2))
|
||
ctx.clip()
|
||
ctx.drawRadialGradient(g2, startCenter: CGPoint(x: px,y: py), startRadius: 0,
|
||
endCenter: CGPoint(x: px,y: py), endRadius: R2, options: [])
|
||
ctx.restoreGState()
|
||
}
|
||
}
|
||
|
||
ctx.saveGState()
|
||
ctx.translateBy(x: CGFloat(p.x), y: CGFloat(p.y))
|
||
ctx.rotate(by: CGFloat(p.tilt))
|
||
ctx.scaleBy(x: CGFloat(p.sx), y: CGFloat(p.sy))
|
||
|
||
// BroV: the Memoji replaces the drawn body, eyes and hands.
|
||
let face: MemojiExpression = {
|
||
if p.eye == .happy || p.eye == .content { return .happy }
|
||
if p.open < 0.35 { return .blink }
|
||
if p.open < 0.8 { return .halfblink }
|
||
return .neutral
|
||
}()
|
||
MemojiCG.draw(face, in: ctx, center: CGPoint(x: CGFloat(p.lookX) * hw * 0.12, y: 0),
|
||
side: hh * 2 * 1.45)
|
||
|
||
// Activity badge
|
||
if p.badge > 0.01 {
|
||
let bs = CGFloat(p.badge)
|
||
let br = hh*0.3
|
||
ctx.saveGState()
|
||
ctx.translateBy(x: -hw*0.78, y: -hh*0.72)
|
||
ctx.scaleBy(x: bs, y: bs)
|
||
ctx.setFillColor(gHex("#000000"))
|
||
ctx.addEllipse(in: CGRect(x: -(br+hh*0.07), y: -(br+hh*0.07),
|
||
width: (br+hh*0.07)*2, height: (br+hh*0.07)*2))
|
||
ctx.fillPath()
|
||
ctx.setFillColor(gHex("#3BA0F5"))
|
||
ctx.addEllipse(in: CGRect(x: -br, y: -br, width: br*2, height: br*2))
|
||
ctx.fillPath()
|
||
ctx.setFillColor(gHex("#0B1B3A"))
|
||
for i: CGFloat in [-1, 0, 1] {
|
||
ctx.addEllipse(in: CGRect(x: i*br*0.5-br*0.17, y: -br*0.17,
|
||
width: br*0.34, height: br*0.34))
|
||
ctx.fillPath()
|
||
}
|
||
ctx.restoreGState()
|
||
}
|
||
|
||
ctx.restoreGState()
|
||
}
|
||
|
||
private func drawParticles(_ ctx: CGContext, t: Double, tc: Double, p: GreetPose) {
|
||
guard p.card > 0 || p.fx < 1 else { return }
|
||
let fx = p.fx
|
||
|
||
// WARP STREAKS: white vertical lines, fall-in 0 → 0.55 s
|
||
if t < 0.55 {
|
||
for s in greetParticles.warps {
|
||
guard t >= s.t0 else { continue }
|
||
let elapsed = t - s.t0
|
||
let yBot = CGFloat(elapsed * s.speed)
|
||
let yTop = yBot - CGFloat(s.len)
|
||
guard yBot > 0 else { continue }
|
||
let streakX = CGFloat(320 - p.iw/2 + s.xNorm * p.iw)
|
||
let fadeOut = 1 - gSeg(t, 0.40, 0.55)
|
||
let alpha = CGFloat(s.alpha * fx * fadeOut)
|
||
ctx.setStrokeColor(CGColor(red: 1, green: 1, blue: 1, alpha: alpha))
|
||
ctx.setLineWidth(CGFloat(s.thick)); ctx.setLineCap(.butt)
|
||
ctx.beginPath()
|
||
ctx.move(to: CGPoint(x: streakX, y: max(0, yTop)))
|
||
ctx.addLine(to: CGPoint(x: streakX, y: min(150, yBot)))
|
||
ctx.strokePath()
|
||
}
|
||
}
|
||
|
||
// RING: single white burst at 0.45 s, ~90 dots
|
||
let ringT0 = 0.45
|
||
let k = gSeg(t, ringT0, ringT0 + 1.35)
|
||
if k > 0 && k < 1 {
|
||
let rx = gLerpF(14, 380, CGFloat(GE.out(k)))
|
||
let ry = rx * 0.34
|
||
let fade = CGFloat((1-k) * (k < 0.08 ? k/0.08 : 1) * fx * p.card)
|
||
for dot in greetParticles.ring {
|
||
let r: CGFloat = 1 + CGFloat(dot.j)
|
||
ctx.setFillColor(CGColor(red: 1, green: 1, blue: 1,
|
||
alpha: CGFloat(dot.al) * fade))
|
||
let dx = CGFloat(GC0.x) + cos(CGFloat(dot.a)) * rx * r
|
||
let dy = CGFloat(GC0.y) + sin(CGFloat(dot.a)) * ry * r
|
||
ctx.fill(CGRect(x: dx, y: dy, width: CGFloat(dot.s), height: CGFloat(dot.s)))
|
||
}
|
||
}
|
||
}
|
||
|
||
private func drawHeader(_ ctx: CGContext, alpha: Double) {
|
||
guard alpha > 0 else { return }
|
||
ctx.saveGState()
|
||
ctx.setAlpha(CGFloat(alpha))
|
||
gRR(ctx, 18, 4, 44, 26, 13)
|
||
ctx.setFillColor(gHex("#1D1F23")); ctx.fillPath()
|
||
ctx.setFillColor(gHex("#F5F6F8"))
|
||
ctx.beginPath()
|
||
ctx.move(to: CGPoint(x: 33, y: 20)); ctx.addLine(to: CGPoint(x: 40, y: 13))
|
||
ctx.addLine(to: CGPoint(x: 47, y: 20)); ctx.addLine(to: CGPoint(x: 47, y: 25))
|
||
ctx.addLine(to: CGPoint(x: 33, y: 25)); ctx.closePath(); ctx.fillPath()
|
||
ctx.setFillColor(gHex("#8E939C"))
|
||
ctx.addEllipse(in: CGRect(x: 75.5, y: 10.5, width: 13, height: 13)); ctx.fillPath()
|
||
ctx.addEllipse(in: CGRect(x: 572, y: 11, width: 12, height: 12)); ctx.fillPath()
|
||
ctx.setFillColor(gHex("#000000"))
|
||
ctx.addEllipse(in: CGRect(x: 575.6, y: 14.6, width: 4.8, height: 4.8)); ctx.fillPath()
|
||
ctx.restoreGState()
|
||
}
|
||
|
||
private let miniColors = ["#E86A6A","#3E86E0","#EFAE5A","#8C73F2"]
|
||
|
||
private func drawMinis(_ ctx: CGContext, alpha: Double, compact: IslandRestingLayout) {
|
||
guard alpha > 0.01 else { return }
|
||
let cx = 320 - compact.width/2 + compact.miniGridCenterX
|
||
let cy = compact.botCenterY
|
||
let sp: CGFloat = 6 * compact.miniGridScale
|
||
let offsets: [(CGFloat, CGFloat)] = [(-sp,-sp),(sp,-sp),(-sp,sp),(sp,sp)]
|
||
for (i,(dx,dy)) in offsets.enumerated() {
|
||
ctx.saveGState()
|
||
ctx.translateBy(x: cx+dx, y: cy+dy)
|
||
let scale = CGFloat(alpha) * compact.miniGridScale
|
||
ctx.scaleBy(x: scale, y: scale)
|
||
ctx.setFillColor(gHex(miniColors[i]))
|
||
ctx.addPath(mochiPath(hw: 5.3, hh: 4)); ctx.fillPath()
|
||
ctx.restoreGState()
|
||
}
|
||
}
|
||
|
||
// MARK: - Full draw
|
||
|
||
private func drawGreeting(_ ctx: CGContext, size: CGSize, t: Double,
|
||
tc: Double, compact: IslandRestingLayout) {
|
||
let p = pose(t, tc: tc, compact: compact)
|
||
|
||
if p.card > 0 {
|
||
ctx.saveGState()
|
||
ctx.setAlpha(CGFloat(p.card))
|
||
gRR(ctx, GCARD.minX, GCARD.minY, GCARD.width, GCARD.height, GCARD_R)
|
||
ctx.setFillColor(gHex("#141518")); ctx.fillPath()
|
||
ctx.restoreGState()
|
||
|
||
ctx.saveGState()
|
||
gRR(ctx, GCARD.minX, GCARD.minY, GCARD.width, GCARD.height, GCARD_R)
|
||
ctx.clip()
|
||
drawParticles(ctx, t: t, tc: tc, p: p)
|
||
ctx.restoreGState()
|
||
} else if tc.isFinite && t >= tc {
|
||
ctx.saveGState()
|
||
drawParticles(ctx, t: t, tc: tc, p: p)
|
||
ctx.restoreGState()
|
||
}
|
||
|
||
drawMinis(ctx, alpha: p.minis, compact: compact)
|
||
drawMochi(ctx, p: p)
|
||
}
|
||
|
||
// MARK: - SwiftUI View
|
||
|
||
struct GreetingCanvasView: View {
|
||
@ObservedObject var state: AppState
|
||
|
||
@State private var startDate = Date()
|
||
@State private var tc: Double = .infinity
|
||
@State private var greetFired = false
|
||
@State private var doneWork: DispatchWorkItem? = nil
|
||
|
||
var body: some View {
|
||
TimelineView(.animation) { timeline in
|
||
let t = timeline.date.timeIntervalSince(startDate)
|
||
Canvas { context, size in
|
||
context.withCGContext { cgCtx in
|
||
drawGreeting(cgCtx, size: size, t: t, tc: tc,
|
||
compact: IslandRestingLayout(width: state.notchWidth + 160,
|
||
height: state.notchHeight))
|
||
}
|
||
}
|
||
.onChange(of: !greetFired && t >= GT.end && tc >= GT.autoLeave) { _, trigger in
|
||
if trigger { fireGreetComplete() }
|
||
}
|
||
}
|
||
.onAppear {
|
||
startDate = Date()
|
||
tc = .infinity
|
||
greetFired = false
|
||
// Original score plays from the start; greet.wav and blip.wav kept for other uses
|
||
SoundEngine.shared.play("greeting")
|
||
// Safety fallback: fire done if timeline onChange misses it
|
||
let item = DispatchWorkItem { fireGreetComplete() }
|
||
doneWork = item
|
||
DispatchQueue.main.asyncAfter(deadline: .now() + GT.end + 0.05, execute: item)
|
||
}
|
||
.onDisappear {
|
||
doneWork?.cancel(); doneWork = nil
|
||
SoundEngine.shared.fadeOut("greeting", duration: 0.2)
|
||
}
|
||
.onReceive(NotificationCenter.default.publisher(for: .greetingHover)) { _ in
|
||
if tc >= GT.autoLeave { tc = .infinity }
|
||
}
|
||
.onReceive(NotificationCenter.default.publisher(for: .greetingInterrupt)) { _ in
|
||
let t = Date().timeIntervalSince(startDate)
|
||
if tc.isInfinite || tc > t { tc = t }
|
||
doneWork?.cancel(); doneWork = nil
|
||
SoundEngine.shared.fadeOut("greeting", duration: 0.25)
|
||
}
|
||
}
|
||
|
||
private func fireGreetComplete() {
|
||
guard !greetFired else { return }
|
||
greetFired = true
|
||
doneWork?.cancel(); doneWork = nil
|
||
// Note: greeting music continues for ~0.3 s after greetComplete — intentional queue overlap
|
||
NotificationCenter.default.post(name: .greetComplete, object: nil)
|
||
}
|
||
}
|