MCP 3D Printer Server

import { Camera } from '../cameras/Camera.js'; import { Vector3 } from '../math/Vector3.js'; import { LineSegments } from '../objects/LineSegments.js'; import { Color } from '../math/Color.js'; import { LineBasicMaterial } from '../materials/LineBasicMaterial.js'; import { BufferGeometry } from '../core/BufferGeometry.js'; import { Float32BufferAttribute } from '../core/BufferAttribute.js'; import { WebGLCoordinateSystem } from '../constants.js'; const _vector = /*@__PURE__*/ new Vector3(); const _camera = /*@__PURE__*/ new Camera(); /** * - shows frustum, line of sight and up of the camera * - suitable for fast updates * - based on frustum visualization in lightgl.js shadowmap example * https://github.com/evanw/lightgl.js/blob/master/tests/shadowmap.html */ class CameraHelper extends LineSegments { constructor( camera ) { const geometry = new BufferGeometry(); const material = new LineBasicMaterial( { color: 0xffffff, vertexColors: true, toneMapped: false } ); const vertices = []; const colors = []; const pointMap = {}; // near addLine( 'n1', 'n2' ); addLine( 'n2', 'n4' ); addLine( 'n4', 'n3' ); addLine( 'n3', 'n1' ); // far addLine( 'f1', 'f2' ); addLine( 'f2', 'f4' ); addLine( 'f4', 'f3' ); addLine( 'f3', 'f1' ); // sides addLine( 'n1', 'f1' ); addLine( 'n2', 'f2' ); addLine( 'n3', 'f3' ); addLine( 'n4', 'f4' ); // cone addLine( 'p', 'n1' ); addLine( 'p', 'n2' ); addLine( 'p', 'n3' ); addLine( 'p', 'n4' ); // up addLine( 'u1', 'u2' ); addLine( 'u2', 'u3' ); addLine( 'u3', 'u1' ); // target addLine( 'c', 't' ); addLine( 'p', 'c' ); // cross addLine( 'cn1', 'cn2' ); addLine( 'cn3', 'cn4' ); addLine( 'cf1', 'cf2' ); addLine( 'cf3', 'cf4' ); function addLine( a, b ) { addPoint( a ); addPoint( b ); } function addPoint( id ) { vertices.push( 0, 0, 0 ); colors.push( 0, 0, 0 ); if ( pointMap[ id ] === undefined ) { pointMap[ id ] = []; } pointMap[ id ].push( ( vertices.length / 3 ) - 1 ); } geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) ); geometry.setAttribute( 'color', new Float32BufferAttribute( colors, 3 ) ); super( geometry, material ); this.type = 'CameraHelper'; this.camera = camera; if ( this.camera.updateProjectionMatrix ) this.camera.updateProjectionMatrix(); this.matrix = camera.matrixWorld; this.matrixAutoUpdate = false; this.pointMap = pointMap; this.update(); // colors const colorFrustum = new Color( 0xffaa00 ); const colorCone = new Color( 0xff0000 ); const colorUp = new Color( 0x00aaff ); const colorTarget = new Color( 0xffffff ); const colorCross = new Color( 0x333333 ); this.setColors( colorFrustum, colorCone, colorUp, colorTarget, colorCross ); } setColors( frustum, cone, up, target, cross ) { const geometry = this.geometry; const colorAttribute = geometry.getAttribute( 'color' ); // near colorAttribute.setXYZ( 0, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 1, frustum.r, frustum.g, frustum.b ); // n1, n2 colorAttribute.setXYZ( 2, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 3, frustum.r, frustum.g, frustum.b ); // n2, n4 colorAttribute.setXYZ( 4, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 5, frustum.r, frustum.g, frustum.b ); // n4, n3 colorAttribute.setXYZ( 6, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 7, frustum.r, frustum.g, frustum.b ); // n3, n1 // far colorAttribute.setXYZ( 8, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 9, frustum.r, frustum.g, frustum.b ); // f1, f2 colorAttribute.setXYZ( 10, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 11, frustum.r, frustum.g, frustum.b ); // f2, f4 colorAttribute.setXYZ( 12, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 13, frustum.r, frustum.g, frustum.b ); // f4, f3 colorAttribute.setXYZ( 14, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 15, frustum.r, frustum.g, frustum.b ); // f3, f1 // sides colorAttribute.setXYZ( 16, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 17, frustum.r, frustum.g, frustum.b ); // n1, f1 colorAttribute.setXYZ( 18, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 19, frustum.r, frustum.g, frustum.b ); // n2, f2 colorAttribute.setXYZ( 20, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 21, frustum.r, frustum.g, frustum.b ); // n3, f3 colorAttribute.setXYZ( 22, frustum.r, frustum.g, frustum.b ); colorAttribute.setXYZ( 23, frustum.r, frustum.g, frustum.b ); // n4, f4 // cone colorAttribute.setXYZ( 24, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 25, cone.r, cone.g, cone.b ); // p, n1 colorAttribute.setXYZ( 26, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 27, cone.r, cone.g, cone.b ); // p, n2 colorAttribute.setXYZ( 28, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 29, cone.r, cone.g, cone.b ); // p, n3 colorAttribute.setXYZ( 30, cone.r, cone.g, cone.b ); colorAttribute.setXYZ( 31, cone.r, cone.g, cone.b ); // p, n4 // up colorAttribute.setXYZ( 32, up.r, up.g, up.b ); colorAttribute.setXYZ( 33, up.r, up.g, up.b ); // u1, u2 colorAttribute.setXYZ( 34, up.r, up.g, up.b ); colorAttribute.setXYZ( 35, up.r, up.g, up.b ); // u2, u3 colorAttribute.setXYZ( 36, up.r, up.g, up.b ); colorAttribute.setXYZ( 37, up.r, up.g, up.b ); // u3, u1 // target colorAttribute.setXYZ( 38, target.r, target.g, target.b ); colorAttribute.setXYZ( 39, target.r, target.g, target.b ); // c, t colorAttribute.setXYZ( 40, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 41, cross.r, cross.g, cross.b ); // p, c // cross colorAttribute.setXYZ( 42, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 43, cross.r, cross.g, cross.b ); // cn1, cn2 colorAttribute.setXYZ( 44, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 45, cross.r, cross.g, cross.b ); // cn3, cn4 colorAttribute.setXYZ( 46, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 47, cross.r, cross.g, cross.b ); // cf1, cf2 colorAttribute.setXYZ( 48, cross.r, cross.g, cross.b ); colorAttribute.setXYZ( 49, cross.r, cross.g, cross.b ); // cf3, cf4 colorAttribute.needsUpdate = true; } update() { const geometry = this.geometry; const pointMap = this.pointMap; const w = 1, h = 1; // we need just camera projection matrix inverse // world matrix must be identity _camera.projectionMatrixInverse.copy( this.camera.projectionMatrixInverse ); // Adjust z values based on coordinate system const nearZ = this.camera.coordinateSystem === WebGLCoordinateSystem ? - 1 : 0; // center / target setPoint( 'c', pointMap, geometry, _camera, 0, 0, nearZ ); setPoint( 't', pointMap, geometry, _camera, 0, 0, 1 ); // near setPoint( 'n1', pointMap, geometry, _camera, - w, - h, nearZ ); setPoint( 'n2', pointMap, geometry, _camera, w, - h, nearZ ); setPoint( 'n3', pointMap, geometry, _camera, - w, h, nearZ ); setPoint( 'n4', pointMap, geometry, _camera, w, h, nearZ ); // far setPoint( 'f1', pointMap, geometry, _camera, - w, - h, 1 ); setPoint( 'f2', pointMap, geometry, _camera, w, - h, 1 ); setPoint( 'f3', pointMap, geometry, _camera, - w, h, 1 ); setPoint( 'f4', pointMap, geometry, _camera, w, h, 1 ); // up setPoint( 'u1', pointMap, geometry, _camera, w * 0.7, h * 1.1, nearZ ); setPoint( 'u2', pointMap, geometry, _camera, - w * 0.7, h * 1.1, nearZ ); setPoint( 'u3', pointMap, geometry, _camera, 0, h * 2, nearZ ); // cross setPoint( 'cf1', pointMap, geometry, _camera, - w, 0, 1 ); setPoint( 'cf2', pointMap, geometry, _camera, w, 0, 1 ); setPoint( 'cf3', pointMap, geometry, _camera, 0, - h, 1 ); setPoint( 'cf4', pointMap, geometry, _camera, 0, h, 1 ); setPoint( 'cn1', pointMap, geometry, _camera, - w, 0, nearZ ); setPoint( 'cn2', pointMap, geometry, _camera, w, 0, nearZ ); setPoint( 'cn3', pointMap, geometry, _camera, 0, - h, nearZ ); setPoint( 'cn4', pointMap, geometry, _camera, 0, h, nearZ ); geometry.getAttribute( 'position' ).needsUpdate = true; } dispose() { this.geometry.dispose(); this.material.dispose(); } } function setPoint( point, pointMap, geometry, camera, x, y, z ) { _vector.set( x, y, z ).unproject( camera ); const points = pointMap[ point ]; if ( points !== undefined ) { const position = geometry.getAttribute( 'position' ); for ( let i = 0, l = points.length; i < l; i ++ ) { position.setXYZ( points[ i ], _vector.x, _vector.y, _vector.z ); } } } export { CameraHelper };