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January 3, 2025 14:30
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How to use useCursor with invisible hitbox
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import { Color } from "three"; | |
import { ChessPieceModel, GLTFResult } from "./ChessPieceModel"; | |
import { useState } from "react"; | |
import { useCursor } from "@react-three/drei"; | |
interface BaseChessPieceProps { | |
piece: keyof GLTFResult["nodes"]; | |
color: "white" | "black"; | |
position: [number, number]; | |
} | |
const colorSet = { | |
white: 0xf4edd3, | |
black: 0x1e2324, | |
}; | |
const BOARD_SIZE = 30; | |
const BOARD_SPACES = 8; | |
const ADDER = BOARD_SIZE / BOARD_SPACES; | |
const OFFSET = BOARD_SIZE / 2 - ADDER / 2; | |
export function ChessPiece({ piece, color, position }: BaseChessPieceProps) { | |
//const [position, setPosition] = useState(position); | |
//const [isCaptured, setIsCaptured] = useState(false); | |
const [hovered, setHovered] = useState<boolean>(false); | |
const [selected, setSelected] = useState<boolean>(false); | |
useCursor(hovered /*'pointer', 'auto', document.body*/); | |
const getColor = () => { | |
return selected ? 0x33ee33 : hovered ? 0x353e40 : colorSet[color]; | |
}; | |
return ( | |
<> | |
<ChessPieceModel | |
piece={piece} | |
color={new Color().setHex(getColor())} | |
position={[OFFSET - ADDER * position[0], 0, OFFSET - ADDER * position[1]]} | |
//isCaptured={isCaptured} | |
//onMove={(newPosition: [number, number]) => setPosition(newPosition)} | |
//onCapture={() => setIsCaptured(true)} | |
/> | |
<mesh | |
position={[OFFSET - ADDER * position[0], 2, OFFSET - ADDER * position[1]]} | |
onClick={(e) => { | |
e.stopPropagation(); | |
setSelected(true); | |
}} | |
onPointerOver={(e) => { | |
e.stopPropagation(); | |
setHovered(true); | |
}} | |
onPointerOut={(e) => { | |
e.stopPropagation(); | |
setHovered(false); | |
}} | |
visible={false} | |
> | |
<cylinderGeometry args={[ADDER / 3.5, ADDER / 3.5, 4, 16]} /> | |
<meshBasicMaterial color="red" wireframe={true} /> | |
</mesh> | |
</> | |
); | |
} |
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