BoundingBoxAttachment.java

/******************************************************************************
 * Spine Runtime Software License - Version 1.1
 * 
 * Copyright (c) 2013, Esoteric Software
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms in whole or in part, with
 * or without modification, are permitted provided that the following conditions
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 * 
 * 1. A Spine Essential, Professional, Enterprise, or Education License must
 *    be purchased from Esoteric Software and the license must remain valid:
 *    http://esotericsoftware.com/
 * 2. Redistributions of source code must retain this license, which is the
 *    above copyright notice, this declaration of conditions and the following
 *    disclaimer.
 * 3. Redistributions in binary form must reproduce this license, which is the
 *    above copyright notice, this declaration of conditions and the following
 *    disclaimer, in the documentation and/or other materials provided with the
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package com.esotericsoftware.spine.attachments;

import com.esotericsoftware.spine.Bone;

public class BoundingBoxAttachment extends Attachment {
	private float[] vertices;

	public BoundingBoxAttachment (String name) {
		super(name);
	}

	public void computeWorldVertices (float x, float y, Bone bone, float[] worldVertices) {
		x += bone.getWorldX();
		y += bone.getWorldY();
		float m00 = bone.getM00();
		float m01 = bone.getM01();
		float m10 = bone.getM10();
		float m11 = bone.getM11();
		float[] vertices = this.vertices;
		for (int i = 0, n = vertices.length; i < n; i += 2) {
			float px = vertices[i];
			float py = vertices[i + 1];
			worldVertices[i] = px * m00 + py * m01 + x;
			worldVertices[i + 1] = px * m10 + py * m11 + y;
		}
	}

	public float[] getVertices () {
		return vertices;
	}

	public void setVertices (float[] vertices) {
		this.vertices = vertices;
	}
}