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      1 /*
      2  * To change this template, choose Tools | Templates
      3  * and open the template in the editor.
      4  */
      5 package com.jme3.bullet.collision.shapes;
      6 
      7 import com.bulletphysics.collision.shapes.BU_Simplex1to4;
      8 import com.jme3.bullet.util.Converter;
      9 import com.jme3.export.InputCapsule;
     10 import com.jme3.export.JmeExporter;
     11 import com.jme3.export.JmeImporter;
     12 import com.jme3.export.OutputCapsule;
     13 import com.jme3.math.Vector3f;
     14 import java.io.IOException;
     15 
     16 /**
     17  * A simple point, line, triangle or quad collisionShape based on one to four points-
     18  * @author normenhansen
     19  */
     20 public class SimplexCollisionShape extends CollisionShape {
     21 
     22     private Vector3f vector1, vector2, vector3, vector4;
     23 
     24     public SimplexCollisionShape() {
     25     }
     26 
     27     public SimplexCollisionShape(Vector3f point1, Vector3f point2, Vector3f point3, Vector3f point4) {
     28         vector1 = point1;
     29         vector2 = point2;
     30         vector3 = point3;
     31         vector4 = point4;
     32         createShape();
     33     }
     34 
     35     public SimplexCollisionShape(Vector3f point1, Vector3f point2, Vector3f point3) {
     36         vector1 = point1;
     37         vector2 = point2;
     38         vector3 = point3;
     39         createShape();
     40     }
     41 
     42     public SimplexCollisionShape(Vector3f point1, Vector3f point2) {
     43         vector1 = point1;
     44         vector2 = point2;
     45         createShape();
     46     }
     47 
     48     public SimplexCollisionShape(Vector3f point1) {
     49         vector1 = point1;
     50         createShape();
     51     }
     52 
     53     public void write(JmeExporter ex) throws IOException {
     54         super.write(ex);
     55         OutputCapsule capsule = ex.getCapsule(this);
     56         capsule.write(vector1, "simplexPoint1", null);
     57         capsule.write(vector2, "simplexPoint2", null);
     58         capsule.write(vector3, "simplexPoint3", null);
     59         capsule.write(vector4, "simplexPoint4", null);
     60     }
     61 
     62     public void read(JmeImporter im) throws IOException {
     63         super.read(im);
     64         InputCapsule capsule = im.getCapsule(this);
     65         vector1 = (Vector3f) capsule.readSavable("simplexPoint1", null);
     66         vector2 = (Vector3f) capsule.readSavable("simplexPoint2", null);
     67         vector3 = (Vector3f) capsule.readSavable("simplexPoint3", null);
     68         vector4 = (Vector3f) capsule.readSavable("simplexPoint4", null);
     69         createShape();
     70     }
     71 
     72     protected void createShape() {
     73         if (vector4 != null) {
     74             cShape = new BU_Simplex1to4(Converter.convert(vector1), Converter.convert(vector2), Converter.convert(vector3), Converter.convert(vector4));
     75         } else if (vector3 != null) {
     76             cShape = new BU_Simplex1to4(Converter.convert(vector1), Converter.convert(vector2), Converter.convert(vector3));
     77         } else if (vector2 != null) {
     78             cShape = new BU_Simplex1to4(Converter.convert(vector1), Converter.convert(vector2));
     79         } else {
     80             cShape = new BU_Simplex1to4(Converter.convert(vector1));
     81         }
     82         cShape.setLocalScaling(Converter.convert(getScale()));
     83         cShape.setMargin(margin);
     84     }
     85 }
     86