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Java Vector3f.sub方法代码示例

本文整理汇总了Java中org.joml.Vector3f.sub方法的典型用法代码示例。如果您正苦于以下问题:Java Vector3f.sub方法的具体用法?Java Vector3f.sub怎么用?Java Vector3f.sub使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在org.joml.Vector3f的用法示例。


在下文中一共展示了Vector3f.sub方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: calcNormals

import org.joml.Vector3f; //导入方法依赖的package包/类
private float[] calcNormals(float[] posArr, int width, int height) {
    Vector3f v0 = new Vector3f();
    Vector3f v1 = new Vector3f();
    Vector3f v2 = new Vector3f();
    Vector3f v3 = new Vector3f();
    Vector3f v4 = new Vector3f();
    Vector3f v12 = new Vector3f();
    Vector3f v23 = new Vector3f();
    Vector3f v34 = new Vector3f();
    Vector3f v41 = new Vector3f();
    List<Float> normals = new ArrayList<>();
    Vector3f normal = new Vector3f();
    for (int row = 0; row < height; row++) {
        for (int col = 0; col < width; col++) {
            if (row > 0 && row < height - 1 && col > 0 && col < width - 1) {
                int i0 = row * width * 3 + col * 3;
                v0.x = posArr[i0];
                v0.y = posArr[i0 + 1];
                v0.z = posArr[i0 + 2];

                int i1 = row * width * 3 + (col - 1) * 3;
                v1.x = posArr[i1];
                v1.y = posArr[i1 + 1];
                v1.z = posArr[i1 + 2];
                v1 = v1.sub(v0);

                int i2 = (row + 1) * width * 3 + col * 3;
                v2.x = posArr[i2];
                v2.y = posArr[i2 + 1];
                v2.z = posArr[i2 + 2];
                v2 = v2.sub(v0);

                int i3 = (row) * width * 3 + (col + 1) * 3;
                v3.x = posArr[i3];
                v3.y = posArr[i3 + 1];
                v3.z = posArr[i3 + 2];
                v3 = v3.sub(v0);

                int i4 = (row - 1) * width * 3 + col * 3;
                v4.x = posArr[i4];
                v4.y = posArr[i4 + 1];
                v4.z = posArr[i4 + 2];
                v4 = v4.sub(v0);

                v1.cross(v2, v12);
                v12.normalize();

                v2.cross(v3, v23);
                v23.normalize();

                v3.cross(v4, v34);
                v34.normalize();

                v4.cross(v1, v41);
                v41.normalize();

                normal = v12.add(v23).add(v34).add(v41);
                normal.normalize();
            } else {
                normal.x = 0;
                normal.y = 1;
                normal.z = 0;
            }
            normal.normalize();
            normals.add(normal.x);
            normals.add(normal.y);
            normals.add(normal.z);
        }
    }
    return Utils.listToArray(normals);
}
 
开发者ID:justjanne,项目名称:SteamAudio-Java,代码行数:72,代码来源:HeightMapMesh.java

示例2: calcNormals

import org.joml.Vector3f; //导入方法依赖的package包/类
private float[] calcNormals(float[] posArr, int width, int height) {
  Vector3f v0 = new Vector3f();
  Vector3f v1 = new Vector3f();
  Vector3f v2 = new Vector3f();
  Vector3f v3 = new Vector3f();
  Vector3f v4 = new Vector3f();
  Vector3f v12 = new Vector3f();
  Vector3f v23 = new Vector3f();
  Vector3f v34 = new Vector3f();
  Vector3f v41 = new Vector3f();
  List<Float> normals = new ArrayList<>();
  Vector3f normal = new Vector3f();
  for (int row = 0; row < height; row++) {
    for (int col = 0; col < width; col++) {
      if (row > 0 && row < height -1 && col > 0 && col < width -1) {
        int i0 = row*width*3 + col*3;
        v0.x = posArr[i0];
        v0.y = posArr[i0 + 1];
        v0.z = posArr[i0 + 2];

        int i1 = row*width*3 + (col-1)*3;
        v1.x = posArr[i1];
        v1.y = posArr[i1 + 1];
        v1.z = posArr[i1 + 2];
        v1 = v1.sub(v0);

        int i2 = (row+1)*width*3 + col*3;
        v2.x = posArr[i2];
        v2.y = posArr[i2 + 1];
        v2.z = posArr[i2 + 2];
        v2 = v2.sub(v0);

        int i3 = (row)*width*3 + (col+1)*3;
        v3.x = posArr[i3];
        v3.y = posArr[i3 + 1];
        v3.z = posArr[i3 + 2];
        v3 = v3.sub(v0);

        int i4 = (row-1)*width*3 + col*3;
        v4.x = posArr[i4];
        v4.y = posArr[i4 + 1];
        v4.z = posArr[i4 + 2];
        v4 = v4.sub(v0);

        v1.cross(v2, v12);
        v12.normalize();

        v2.cross(v3, v23);
        v23.normalize();

        v3.cross(v4, v34);
        v34.normalize();

        v4.cross(v1, v41);
        v41.normalize();

        normal = v12.add(v23).add(v34).add(v41);
        normal.normalize();
      } else {
        normal.x = 0;
        normal.y = 1;
        normal.z = 0;
      }
      normal.normalize();
      normals.add(normal.x);
      normals.add(normal.y);
      normals.add(normal.z);
    }
  }
  return Util.listToArray(normals);
}
 
开发者ID:adamegyed,项目名称:endless-hiker,代码行数:72,代码来源:HeightMapMesh.java


注:本文中的org.joml.Vector3f.sub方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。