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* BalanceIndicatorOverlayHtml Component - 3D Html overlay for balance state
*
* Displays balance state with vulnerability indicators using Html from @react-three/drei.
* Shows:
* - Current balance percentage
* - Vulnerability state (red border + shake effect)
* - Bilingual Korean/English tooltips
* - Stance transition vulnerability
* - Rapid change penalty indicator
*
* @module components/ui/combat/BalanceIndicatorOverlayHtml
* @category Combat UI
* @korean 균형표시오버레이
*/
import React, { useMemo } from "react";
import { Html } from "@react-three/drei";
import { KOREAN_COLORS, FONT_FAMILY } from "@/types/constants";
import type { BalancePlayerState } from "@/systems/combat/BalanceSystem";
export interface BalanceIndicatorOverlayHtmlProps {
/**
* Player state with balance and transition data
* @korean 플레이어상태
*/
readonly player: BalancePlayerState;
/**
* Current game time in milliseconds
* @korean 현재시간
*/
readonly currentTime: number;
/**
* Position in 3D space [x, y, z]
* @korean 3D위치
*/
readonly position?: [number, number, number];
/**
* Mobile responsive mode
* @korean 모바일여부
*/
readonly isMobile?: boolean;
}
/**
* Get balance color based on percentage
*/
function getBalanceColor(balance: number): string {
Eif (balance >= 80) return `#${KOREAN_COLORS.POSITIVE_GREEN.toString(16).padStart(6, "0")}`;
if (balance >= 50) return `#${KOREAN_COLORS.WARNING_YELLOW.toString(16).padStart(6, "0")}`;
if (balance >= 20) return `#${KOREAN_COLORS.WARNING_ORANGE.toString(16).padStart(6, "0")}`;
return `#${KOREAN_COLORS.ACCENT_RED.toString(16).padStart(6, "0")}`;
}
/**
* Get balance state label (bilingual)
*/
function getBalanceLabel(balance: number): {
korean: string;
english: string;
} {
Eif (balance >= 80)
return { korean: "안정", english: "Stable" };
if (balance >= 50)
return { korean: "불안정", english: "Unsteady" };
if (balance >= 20)
return { korean: "균형상실", english: "Off-Balance" };
return { korean: "낙하중", english: "Falling" };
}
/**
* BalanceIndicatorOverlayHtml - 3D Html overlay for balance visualization
*
* Renders above player character in 3D space using Html from @react-three/drei.
* Shows balance percentage, vulnerability state, and active modifiers.
*
* Features:
* - Red border + shake animation when vulnerable
* - Bilingual Korean/English labels
* - Transition vulnerability indicator
* - Rapid change penalty warning
*
* @example
* ```tsx
* <BalanceIndicatorOverlayHtml
* player={playerState}
* currentTime={Date.now()}
* position={[0, 2.5, 0]}
* isMobile={false}
* />
* ```
*/
export const BalanceIndicatorOverlayHtml: React.FC<
BalanceIndicatorOverlayHtmlProps
> = ({ player, currentTime, position = [0, 2, 0], isMobile = false }) => {
// Calculate vulnerability state
const isVulnerable = useMemo(() => {
const isTransitioning = player.transitionState?.isTransitioning ?? false;
const isLowBalance = player.balance < 50; // Off-balance or worse
const hasPenalty =
player.rapidChangePenaltyEnd !== undefined &&
currentTime < player.rapidChangePenaltyEnd;
return isTransitioning ?? isLowBalance ?? hasPenalty;
}, [player.balance, player.transitionState, player.rapidChangePenaltyEnd, currentTime]);
const balanceColor = useMemo(
() => getBalanceColor(player.balance),
[player.balance]
);
const balanceLabel = useMemo(
() => getBalanceLabel(player.balance),
[player.balance]
);
const vulnerableColorHex = `#${KOREAN_COLORS.ACCENT_RED.toString(16).padStart(6, "0")}`;
// Container style with vulnerability effects
const containerStyle = useMemo(() => {
const baseStyle: React.CSSProperties = {
border: isVulnerable
? `2px solid ${vulnerableColorHex}`
: `2px solid ${balanceColor}`,
padding: isMobile ? "6px 10px" : "8px 12px",
backgroundColor: "rgba(10, 10, 10, 0.85)",
borderRadius: "8px",
boxShadow: isVulnerable
? `0 0 16px ${vulnerableColorHex}`
: `0 0 12px ${balanceColor}`,
transition: "all 0.3s ease-out",
fontFamily: FONT_FAMILY.KOREAN,
fontSize: isMobile ? "12px" : "14px",
minWidth: isMobile ? "140px" : "180px",
textAlign: "center" as const,
userSelect: "none" as const,
pointerEvents: "none" as const,
};
// Add shake animation when vulnerable
Iif (isVulnerable) {
baseStyle.animation = "shake 0.3s infinite";
}
return baseStyle;
}, [isVulnerable, balanceColor, vulnerableColorHex, isMobile]);
const balancePercentage = Math.round(player.balance);
return (
<>
{/* Inject keyframes for shake animation */}
<Html position={position} center>
<style>
{`
@keyframes shake {
0%, 100% { transform: translateX(0); }
25% { transform: translateX(-2px); }
75% { transform: translateX(2px); }
}
`}
</style>
<div style={containerStyle} data-testid="balance-indicator-overlay">
{/* Balance percentage and label */}
<div
style={{
color: balanceColor,
fontWeight: "bold",
marginBottom: "4px",
}}
>
균형 | Balance: {balancePercentage}%
</div>
{/* Balance state label */}
<div
style={{
color: `#${KOREAN_COLORS.TEXT_SECONDARY.toString(16).padStart(6, "0")}`,
fontSize: isMobile ? "10px" : "12px",
}}
>
{balanceLabel.korean} | {balanceLabel.english}
</div>
{/* Vulnerability indicators */}
{player.transitionState?.isTransitioning && (
<div
style={{
color: vulnerableColorHex,
fontSize: isMobile ? "10px" : "11px",
marginTop: "4px",
fontWeight: "bold",
}}
>
취약 | Vulnerable!
</div>
)}
{/* Rapid change penalty indicator */}
{player.rapidChangePenaltyEnd && currentTime < player.rapidChangePenaltyEnd && (
<div
style={{
color: `#${KOREAN_COLORS.WARNING_ORANGE.toString(16).padStart(6, "0")}`,
fontSize: isMobile ? "9px" : "10px",
marginTop: "2px",
}}
>
급속변경 벌칙 | Rapid Change Penalty
</div>
)}
</div>
</Html>
</>
);
};
BalanceIndicatorOverlayHtml.displayName = "BalanceIndicatorOverlayHtml";
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