134 lines
4.2 KiB
Swift
134 lines
4.2 KiB
Swift
//
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// WaterHeartView.swift
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// SodaLive
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//
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// Created by klaus on 11/5/25.
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//
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import SwiftUI
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struct WaterHeartView: View {
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var progress: CGFloat = 0 // 0...1
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var show: Bool = false // 하트 등장 여부
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var phase: CGFloat = 0 // 파도 위상 (애니메이션)
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var body: some View {
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GeometryReader { geo in
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let size = min(geo.size.width, geo.size.height)
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ZStack {
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// 하트 외곽선
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HeartShape()
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.stroke(lineWidth: size * 0.03)
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.foregroundStyle(Color(hex: "ff959a"))
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.opacity(show ? 1 : 0)
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// 물 채우는 레이어들 (마스크로 하트 내부만 보이도록)
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ZStack {
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// 아래 물(기본 채움)
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Rectangle()
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.fill(Color(hex: "ff959a"))
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.frame(height: geo.size.height * progress)
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.position(x: geo.size.width/2,
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y: geo.size.height - (geo.size.height * progress)/2)
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// 파도 라인 (상단에 얹히는 살짝 흔들리는 수면)
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WaveShape(progress: progress,
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phase: phase,
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amplitude: max(2, size * 0.015))
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.fill(Color(hex: "ff959a"))
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}
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.mask(HeartShape())
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.opacity(show ? 1 : 0)
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.animation(.easeInOut(duration: 0.2), value: show)
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}
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}
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.aspectRatio(4/3, contentMode: .fit)
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}
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}
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struct HeartShape: Shape {
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func path(in rect: CGRect) -> Path {
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let w = rect.width
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let h = rect.height
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let scale: CGFloat = 0.9 // 살짝 여백
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let cx = rect.midX
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let cy = rect.midY
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let r = min(w, h) * 0.5 * scale
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func pt(_ nx: CGFloat, _ ny: CGFloat) -> CGPoint {
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CGPoint(x: cx + nx * r, y: cy + ny * r)
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}
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var p = Path()
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// - notch: y ≈ -0.20
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// - shoulder 넓힘: (±1.20, 0.12) → (±1.25, 0.12)
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// - lobe top 하강: (±0.80, -0.95) → (±0.80, -0.85)
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p.move(to: pt(0, -0.20)) // top notch (shallow)
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// right lobe → bottom tip
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p.addCurve(
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to: pt(0, 1.0),
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control1: pt(0.80, -0.85), // right lobe top (lowered)
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control2: pt(1.25, 0.12) // right shoulder (wider)
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)
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// left lobe → back to notch
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p.addCurve(
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to: pt(0, -0.20),
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control1: pt(-1.25, 0.12), // left shoulder (wider)
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control2: pt(-0.80, -0.85) // left lobe top (lowered)
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)
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p.closeSubpath()
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return p
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}
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}
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/// 물결 라인 (위로 채우는 면적의 상단을 살짝 흔들리게)
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struct WaveShape: Shape {
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/// 0...1 채움 비율 (1이면 가득)
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var progress: CGFloat
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/// 파도 진행(위상)
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var phase: CGFloat
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/// 진폭
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var amplitude: CGFloat
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func path(in rect: CGRect) -> Path {
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let width = rect.width
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let height = rect.height
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// progress가 0이면 하단, 1이면 상단
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let waterLevel = height * (1 - progress)
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var path = Path()
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path.move(to: CGPoint(x: 0, y: waterLevel))
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// 부드러운 파형
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let wavelength = width / 1.2
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let step: CGFloat = 4
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for x in stride(from: 0, through: width, by: step) {
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let relative = x / wavelength
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let y = waterLevel + sin(relative * 2 * .pi + phase) * amplitude
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path.addLine(to: CGPoint(x: x, y: y))
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}
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// 바깥쪽 닫기 (아래쪽 영역 채움)
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path.addLine(to: CGPoint(x: width, y: height))
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path.addLine(to: CGPoint(x: 0, y: height))
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path.closeSubpath()
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return path
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}
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var animatableData: AnimatablePair<CGFloat, CGFloat> {
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get { AnimatablePair(progress, phase) }
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set {
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progress = newValue.first
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phase = newValue.second
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}
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}
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}
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#Preview {
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WaterHeartView()
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}
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