forked from sagnik/Project_Velocity
80 lines
2.8 KiB
JavaScript
80 lines
2.8 KiB
JavaScript
import _extends from '@babel/runtime/helpers/esm/extends';
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import * as React from 'react';
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import { MathUtils } from 'three';
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import { useThree, useFrame } from '@react-three/fiber';
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import { useGesture } from '@use-gesture/react';
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import { easing } from 'maath';
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function PresentationControls({
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enabled = true,
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snap,
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global,
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domElement,
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cursor = true,
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children,
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speed = 1,
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rotation = [0, 0, 0],
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zoom = 1,
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polar = [0, Math.PI / 2],
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azimuth = [-Infinity, Infinity],
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damping = 0.25
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}) {
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const events = useThree(state => state.events);
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const gl = useThree(state => state.gl);
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const explDomElement = domElement || events.connected || gl.domElement;
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const {
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size
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} = useThree();
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const rPolar = React.useMemo(() => [rotation[0] + polar[0], rotation[0] + polar[1]], [rotation[0], polar[0], polar[1]]);
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const rAzimuth = React.useMemo(() => [rotation[1] + azimuth[0], rotation[1] + azimuth[1]], [rotation[1], azimuth[0], azimuth[1]]);
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const rInitial = React.useMemo(() => [MathUtils.clamp(rotation[0], ...rPolar), MathUtils.clamp(rotation[1], ...rAzimuth), rotation[2]], [rotation[0], rotation[1], rotation[2], rPolar, rAzimuth]);
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React.useEffect(() => {
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if (global && cursor && enabled) {
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explDomElement.style.cursor = 'grab';
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gl.domElement.style.cursor = '';
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return () => {
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explDomElement.style.cursor = 'default';
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gl.domElement.style.cursor = 'default';
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};
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}
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}, [global, cursor, explDomElement, enabled]);
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const [animation] = React.useState({
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scale: 1,
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rotation: rInitial,
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damping
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});
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const ref = React.useRef(null);
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useFrame((state, delta) => {
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easing.damp3(ref.current.scale, animation.scale, animation.damping, delta);
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easing.dampE(ref.current.rotation, animation.rotation, animation.damping, delta);
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});
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const bind = useGesture({
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onHover: ({
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last
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}) => {
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if (cursor && !global && enabled) explDomElement.style.cursor = last ? 'auto' : 'grab';
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},
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onDrag: ({
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down,
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delta: [x, y],
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memo: [oldY, oldX] = animation.rotation || rInitial
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}) => {
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if (!enabled) return [y, x];
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if (cursor) explDomElement.style.cursor = down ? 'grabbing' : 'grab';
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x = MathUtils.clamp(oldX + x / size.width * Math.PI * speed, ...rAzimuth);
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y = MathUtils.clamp(oldY + y / size.height * Math.PI * speed, ...rPolar);
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animation.scale = down && y > rPolar[1] / 2 ? zoom : 1;
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animation.rotation = snap && !down ? rInitial : [y, x, 0];
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animation.damping = snap && !down && typeof snap !== 'boolean' ? snap : damping;
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return [y, x];
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}
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}, {
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target: global ? explDomElement : undefined
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});
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return /*#__PURE__*/React.createElement("group", _extends({
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ref: ref
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}, bind == null ? void 0 : bind()), children);
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}
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export { PresentationControls };
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