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* VitalPointMarker3D - Individual vital point marker with hover labels
*
* Provides interactive 3D markers for vital points with Korean-English bilingual labels
*/
import { Html } from "@react-three/drei";
import { useFrame } from "@react-three/fiber";
import React, {
useCallback,
useEffect,
useMemo,
useRef,
useState,
} from "react";
import * as THREE from "three";
import { VitalPoint } from "../../../../systems/vitalpoint/types";
import { VitalPointSeverity } from "../../../../types/common";
import {
FONT_FAMILY,
KOREAN_COLORS,
UI_DIMENSIONS,
} from "../../../../types/constants";
import {
applyHtmlOverlayStyles,
calculateDistanceFactor,
} from "../../../../utils/htmlOverlayHelpers";
/**
* Props for VitalPointMarker3D component
*/
export interface VitalPointMarker3DProps {
/** The vital point data to visualize */
readonly vitalPoint: VitalPoint;
/** Whether this vital point is currently selected */
readonly isSelected: boolean;
/** Whether training mode is active */
readonly isTraining: boolean;
/** Whether on mobile device (larger hit targets) */
readonly isMobile?: boolean;
/** Callback when vital point is clicked/hit */
readonly onHit?: (vitalPointId: string) => void;
/** Base size multiplier (for difficulty modes) */
readonly sizeMultiplier?: number;
}
/**
* Get color based on vital point severity
*/
const getSeverityColor = (severity: VitalPointSeverity): number => {
switch (severity) {
case VitalPointSeverity.MINOR:
return KOREAN_COLORS.POSITIVE_GREEN;
case VitalPointSeverity.MODERATE:
return KOREAN_COLORS.WARNING_YELLOW;
case VitalPointSeverity.MAJOR:
return KOREAN_COLORS.ACCENT_GOLD;
case VitalPointSeverity.CRITICAL:
return KOREAN_COLORS.ACCENT_RED;
case VitalPointSeverity.LETHAL:
return KOREAN_COLORS.NEGATIVE_RED; // Most severe - red for lethal vital points
default:
return KOREAN_COLORS.TEXT_SECONDARY;
}
};
/**
* VitalPointMarker3D Component
* Individual 3D marker with hover tooltip
*/
export const VitalPointMarker3D: React.FC<VitalPointMarker3DProps> = ({
vitalPoint,
isSelected,
isTraining,
isMobile = false,
onHit,
sizeMultiplier = 1.0,
}) => {
const meshRef = useRef<THREE.Mesh>(null);
const [hovered, setHovered] = useState(false);
// Calculate marker size (larger on mobile, adjustable by difficulty)
const baseSize = isMobile ? 0.15 : 0.1;
const markerSize = baseSize * sizeMultiplier;
// Reusable vector for scale animation
const targetScale = useMemo(() => new THREE.Vector3(1, 1, 1), []);
// Animate selected and hovered markers
useFrame((state) => {
if (!meshRef.current) return;
if (isSelected || hovered) {
// Pulsing animation for selected/hovered markers
const pulse = Math.sin(state.clock.elapsedTime * 4) * 0.15 + 1;
meshRef.current.scale.setScalar(pulse);
} else {
// Smooth return to normal scale
targetScale.set(1, 1, 1);
meshRef.current.scale.lerp(targetScale, 0.1);
}
});
const color = useMemo(
() => getSeverityColor(vitalPoint.severity),
[vitalPoint.severity]
);
// Track screen width for responsive distance factor updates on resize
const [screenWidth, setScreenWidth] = useState(() =>
typeof window !== "undefined"
? window.innerWidth
: UI_DIMENSIONS.DEFAULT_SCREEN_WIDTH
);
useEffect(() => {
Iif (typeof window === "undefined") return;
const handleResize = () => {
setScreenWidth(window.innerWidth);
};
window.addEventListener("resize", handleResize);
return () => window.removeEventListener("resize", handleResize);
}, []);
// Calculate optimal distance factor for tooltip overlay
const tooltipDistanceFactor = useMemo(() => {
return calculateDistanceFactor(screenWidth, "text", isMobile);
}, [screenWidth, isMobile]);
// Apply Html overlay styles for tooltip
const tooltipOverlayStyle = useMemo(() => {
return applyHtmlOverlayStyles(
"tooltip",
false,
tooltipDistanceFactor,
true,
false
);
}, [tooltipDistanceFactor]);
const handleClick = useCallback(() => {
if (isTraining && onHit) {
onHit(vitalPoint.id);
}
}, [isTraining, onHit, vitalPoint.id]);
return (
<group>
{/* Hit target sphere
Note: Three.js 3D objects lack standard DOM accessibility (aria-label, role, etc.).
For accessible alternatives, see keyboard shortcuts documented in the UI and
consider future enhancements for screen reader support via Html overlays. */}
<mesh
ref={meshRef}
onClick={handleClick}
onPointerOver={() => setHovered(true)}
onPointerOut={() => setHovered(false)}
name={`vital-point-marker-${vitalPoint.id}`}
>
<sphereGeometry args={[markerSize, 16, 16]} />
<meshPhysicalMaterial
color={isSelected ? KOREAN_COLORS.ACCENT_GOLD : color}
emissive={isSelected ? KOREAN_COLORS.ACCENT_GOLD : color}
emissiveIntensity={isSelected || hovered ? 2.0 : 1.0}
metalness={0.6}
roughness={0.2}
clearcoat={0.5}
transparent
opacity={isTraining ? 0.9 : 0.6}
/>
</mesh>
{/* Ring indicator for selected marker */}
{isSelected && (
<mesh rotation={[Math.PI / 2, 0, 0]}>
<ringGeometry args={[markerSize * 1.2, markerSize * 1.5, 32]} />
<meshBasicMaterial
color={KOREAN_COLORS.ACCENT_GOLD}
transparent
opacity={0.6}
side={THREE.DoubleSide}
/>
</mesh>
)}
{/* Hover tooltip with Korean-English labels */}
{hovered && (
<Html
position={[0, markerSize + 0.2, 0]}
center={tooltipOverlayStyle.center}
distanceFactor={tooltipOverlayStyle.distanceFactor}
occlude={tooltipOverlayStyle.occlude}
style={{ pointerEvents: tooltipOverlayStyle.pointerEvents }}
>
<div
style={{
background: "rgba(0, 0, 0, 0.9)",
border: `2px solid ${isSelected ? "#ffd700" : "#00ffff"}`,
borderRadius: "8px",
padding: isMobile ? "6px 10px" : "8px 12px",
fontFamily: FONT_FAMILY.KOREAN,
whiteSpace: "nowrap",
boxShadow: "0 0 15px rgba(0, 255, 255, 0.5)",
transform: tooltipOverlayStyle.transform,
zIndex: tooltipOverlayStyle.zIndex,
}}
data-testid={`vital-point-tooltip-${vitalPoint.id}`}
>
{/* Korean name */}
<div
style={{
fontSize: isMobile ? "12px" : "14px",
fontWeight: "bold",
color: "#ffd700",
marginBottom: "4px",
}}
>
{vitalPoint.names.korean}
</div>
{/* English name */}
<div
style={{
fontSize: isMobile ? "10px" : "11px",
color: "#00ffff",
marginBottom: "4px",
}}
>
{vitalPoint.names.english}
</div>
{/* Romanized name */}
<div
style={{
fontSize: isMobile ? "9px" : "10px",
color: "#999999",
fontStyle: "italic",
}}
>
{vitalPoint.names.romanized}
</div>
{/* Severity indicator */}
<div
style={{
fontSize: isMobile ? "9px" : "10px",
color: `#${new THREE.Color(color).getHexString()}`,
marginTop: "6px",
borderTop: "1px solid rgba(255, 255, 255, 0.2)",
paddingTop: "4px",
}}
>
심각도 | {vitalPoint.severity}
</div>
</div>
</Html>
)}
</group>
);
};
export default VitalPointMarker3D;
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