67 lines
1.6 KiB
JavaScript
67 lines
1.6 KiB
JavaScript
import * as React from 'react';
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import { useThree, useFrame } from '@react-three/fiber';
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import { AsciiEffect } from 'three-stdlib';
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function AsciiRenderer({
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renderIndex = 1,
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bgColor = 'black',
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fgColor = 'white',
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characters = ' .:-+*=%@#',
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invert = true,
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color = false,
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resolution = 0.15
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}) {
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// Reactive state
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const {
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size,
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gl,
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scene,
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camera
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} = useThree();
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// Create effect
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const effect = React.useMemo(() => {
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const effect = new AsciiEffect(gl, characters, {
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invert,
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color,
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resolution
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});
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effect.domElement.style.position = 'absolute';
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effect.domElement.style.top = '0px';
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effect.domElement.style.left = '0px';
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effect.domElement.style.pointerEvents = 'none';
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return effect;
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}, [characters, invert, color, resolution]);
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// Styling
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React.useLayoutEffect(() => {
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effect.domElement.style.color = fgColor;
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effect.domElement.style.backgroundColor = bgColor;
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}, [fgColor, bgColor]);
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// Append on mount, remove on unmount
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React.useEffect(() => {
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gl.domElement.style.opacity = '0';
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gl.domElement.parentNode.appendChild(effect.domElement);
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return () => {
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gl.domElement.style.opacity = '1';
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gl.domElement.parentNode.removeChild(effect.domElement);
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};
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}, [effect]);
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// Set size
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React.useEffect(() => {
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effect.setSize(size.width, size.height);
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}, [effect, size]);
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// Take over render-loop (that is what the index is for)
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useFrame(state => {
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effect.render(scene, camera);
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}, renderIndex);
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// return something to not break type signatures
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return /*#__PURE__*/React.createElement(React.Fragment, null);
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}
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export { AsciiRenderer };
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