/// <summary>
/// 図形の総面積を求める
/// </summary>
public float GetTotalSize()
{
float total = 0;
float size = 0;
for (int i = 0; i < triangles.Length; i += 3)
{
size = FuncBox.TriangleSize(vertices[triangles[i + 0]].vertex,
vertices[triangles[i + 1]].vertex,
vertices[triangles[i + 2]].vertex);
total += size;
}
//裏表貼っているので半分にする
return(totalSize = total * 0.5f);
}
