83 lines
1.5 KiB
JavaScript
83 lines
1.5 KiB
JavaScript
import {
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Vector3
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} from 'three';
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class Capsule {
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constructor( start = new Vector3( 0, 0, 0 ), end = new Vector3( 0, 1, 0 ), radius = 1 ) {
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this.start = start;
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this.end = end;
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this.radius = radius;
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}
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clone() {
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return new Capsule( this.start.clone(), this.end.clone(), this.radius );
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}
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set( start, end, radius ) {
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this.start.copy( start );
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this.end.copy( end );
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this.radius = radius;
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}
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copy( capsule ) {
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this.start.copy( capsule.start );
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this.end.copy( capsule.end );
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this.radius = capsule.radius;
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}
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getCenter( target ) {
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return target.copy( this.end ).add( this.start ).multiplyScalar( 0.5 );
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}
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translate( v ) {
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this.start.add( v );
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this.end.add( v );
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}
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checkAABBAxis( p1x, p1y, p2x, p2y, minx, maxx, miny, maxy, radius ) {
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return (
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( minx - p1x < radius || minx - p2x < radius ) &&
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( p1x - maxx < radius || p2x - maxx < radius ) &&
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( miny - p1y < radius || miny - p2y < radius ) &&
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( p1y - maxy < radius || p2y - maxy < radius )
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);
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}
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intersectsBox( box ) {
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return (
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this.checkAABBAxis(
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this.start.x, this.start.y, this.end.x, this.end.y,
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box.min.x, box.max.x, box.min.y, box.max.y,
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this.radius ) &&
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this.checkAABBAxis(
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this.start.x, this.start.z, this.end.x, this.end.z,
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box.min.x, box.max.x, box.min.z, box.max.z,
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this.radius ) &&
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this.checkAABBAxis(
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this.start.y, this.start.z, this.end.y, this.end.z,
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box.min.y, box.max.y, box.min.z, box.max.z,
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this.radius )
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);
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}
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}
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export { Capsule };
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