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68 lines
2.1 KiB
68 lines
2.1 KiB
/**
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* @author mrdoob / http://mrdoob.com/
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*/
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THREE.BoxLineGeometry = function ( width, height, depth, widthSegments, heightSegments, depthSegments ) {
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THREE.BufferGeometry.call( this );
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width = width || 1;
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height = height || 1;
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depth = depth || 1;
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widthSegments = Math.floor( widthSegments ) || 1;
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heightSegments = Math.floor( heightSegments ) || 1;
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depthSegments = Math.floor( depthSegments ) || 1;
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var widthHalf = width / 2;
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var heightHalf = height / 2;
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var depthHalf = depth / 2;
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var segmentWidth = width / widthSegments;
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var segmentHeight = height / heightSegments;
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var segmentDepth = depth / depthSegments;
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var vertices = [];
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var x = - widthHalf, y = - heightHalf, z = - depthHalf;
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for ( var i = 0; i <= widthSegments; i ++ ) {
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vertices.push( x, - heightHalf, - depthHalf, x, heightHalf, - depthHalf );
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vertices.push( x, heightHalf, - depthHalf, x, heightHalf, depthHalf );
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vertices.push( x, heightHalf, depthHalf, x, - heightHalf, depthHalf );
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vertices.push( x, - heightHalf, depthHalf, x, - heightHalf, - depthHalf );
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x += segmentWidth;
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}
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for ( var i = 0; i <= heightSegments; i ++ ) {
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vertices.push( - widthHalf, y, - depthHalf, widthHalf, y, - depthHalf );
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vertices.push( widthHalf, y, - depthHalf, widthHalf, y, depthHalf );
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vertices.push( widthHalf, y, depthHalf, - widthHalf, y, depthHalf );
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vertices.push( - widthHalf, y, depthHalf, - widthHalf, y, - depthHalf );
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y += segmentHeight;
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}
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for ( var i = 0; i <= depthSegments; i ++ ) {
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vertices.push( - widthHalf, - heightHalf, z, - widthHalf, heightHalf, z );
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vertices.push( - widthHalf, heightHalf, z, widthHalf, heightHalf, z );
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vertices.push( widthHalf, heightHalf, z, widthHalf, - heightHalf, z );
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vertices.push( widthHalf, - heightHalf, z, - widthHalf, - heightHalf, z );
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z += segmentDepth;
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}
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this.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
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}
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THREE.BoxLineGeometry.prototype = Object.create( THREE.BufferGeometry.prototype );
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THREE.BoxLineGeometry.prototype.constructor = THREE.BoxLineGeometry;
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