最新代码

public/sdk/three/jsm/math/Capsule.js

@@ -0,0 +1,82 @@
+import {
+	Vector3
+} from 'three';
+
+class Capsule {
+
+	constructor( start = new Vector3( 0, 0, 0 ), end = new Vector3( 0, 1, 0 ), radius = 1 ) {
+
+		this.start = start;
+		this.end = end;
+		this.radius = radius;
+
+	}
+
+	clone() {
+
+		return new Capsule( this.start.clone(), this.end.clone(), this.radius );
+
+	}
+
+	set( start, end, radius ) {
+
+		this.start.copy( start );
+		this.end.copy( end );
+		this.radius = radius;
+
+	}
+
+	copy( capsule ) {
+
+		this.start.copy( capsule.start );
+		this.end.copy( capsule.end );
+		this.radius = capsule.radius;
+
+	}
+
+	getCenter( target ) {
+
+		return target.copy( this.end ).add( this.start ).multiplyScalar( 0.5 );
+
+	}
+
+	translate( v ) {
+
+		this.start.add( v );
+		this.end.add( v );
+
+	}
+
+	checkAABBAxis( p1x, p1y, p2x, p2y, minx, maxx, miny, maxy, radius ) {
+
+		return (
+			( minx - p1x < radius || minx - p2x < radius ) &&
+			( p1x - maxx < radius || p2x - maxx < radius ) &&
+			( miny - p1y < radius || miny - p2y < radius ) &&
+			( p1y - maxy < radius || p2y - maxy < radius )
+		);
+
+	}
+
+	intersectsBox( box ) {
+
+		return (
+			this.checkAABBAxis(
+				this.start.x, this.start.y, this.end.x, this.end.y,
+				box.min.x, box.max.x, box.min.y, box.max.y,
+				this.radius ) &&
+			this.checkAABBAxis(
+				this.start.x, this.start.z, this.end.x, this.end.z,
+				box.min.x, box.max.x, box.min.z, box.max.z,
+				this.radius ) &&
+			this.checkAABBAxis(
+				this.start.y, this.start.z, this.end.y, this.end.z,
+				box.min.y, box.max.y, box.min.z, box.max.z,
+				this.radius )
+		);
+
+	}
+
+}
+
+export { Capsule };