39 lines
1.0 KiB
JavaScript
39 lines
1.0 KiB
JavaScript
import * as THREE from '/static/javascript/three/build/three.module.js';
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function createText( message, height ) {
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const canvas = document.createElement( 'canvas' );
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const context = canvas.getContext( '2d' );
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let metrics = null;
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const textHeight = 100;
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context.font = 'normal ' + textHeight + 'px Arial';
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metrics = context.measureText( message );
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const textWidth = metrics.width;
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canvas.width = textWidth;
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canvas.height = textHeight;
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context.font = 'normal ' + textHeight + 'px Arial';
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context.textAlign = 'center';
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context.textBaseline = 'middle';
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context.fillStyle = '#ffffff';
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context.fillText( message, textWidth / 2, textHeight / 2 );
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const texture = new THREE.Texture( canvas );
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texture.needsUpdate = true;
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const material = new THREE.MeshBasicMaterial( {
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color: 0xffffff,
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side: THREE.DoubleSide,
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map: texture,
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transparent: true,
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} );
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const geometry = new THREE.PlaneGeometry(
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( height * textWidth ) / textHeight,
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height
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);
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const plane = new THREE.Mesh( geometry, material );
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return plane;
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}
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export { createText };
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