/// <summary>
/// MeshInstanceRendererの生成
/// </summary>
/// <param name="data">表示データ</param>
/// <param name="offset">デフォルトの移動値(モデル空間から見たオフセット)</param>
/// <param name="rotation">デフォルトの回転値</param>
/// <param name="size">デフォルトのスケール</param>
/// <returns>生成したMeshInstanceRenderer</returns>
public static MeshInstanceRenderer CreateMeshInstanceRenderer(
SpriteMeshInstanceRenderer data, Vector3 offset, Quaternion rotation, Vector3 scale)
{
// Sprite to Mesh
var mesh = new Mesh();
var sprite = data.Sprite;
var vertices = Array.ConvertAll(data.Sprite.vertices, _ => (Vector3)_).ToList();
Matrix4x4 mat = Matrix4x4.TRS(offset, rotation, scale);
for (int i = 0; i < vertices.Count; ++i)
{
vertices[i] = mat.MultiplyPoint3x4(vertices[i]);
}
mesh.SetVertices(vertices);
mesh.SetUVs(0, sprite.uv.ToList());
mesh.SetTriangles(Array.ConvertAll(sprite.triangles, _ => (int)_), 0);
var matInst = new Material(data.Material);
// 渡すマテリアルはGPU Instancingに対応させる必要がある
var meshInstanceRenderer = new MeshInstanceRenderer();
meshInstanceRenderer.mesh = mesh;
meshInstanceRenderer.material = matInst;
return(meshInstanceRenderer);
}
/// <summary>
/// MeshInstanceRendererの生成
/// </summary>
/// <param name="data">表示データ</param>
/// <returns>生成したMeshInstanceRenderer</returns>
public static MeshInstanceRenderer CreateMeshInstanceRenderer(SpriteMeshInstanceRenderer data)
{
// Sprite to Mesh
var mesh = new Mesh();
var sprite = data.Sprite;
mesh.SetVertices(Array.ConvertAll(sprite.vertices, _ => (Vector3)_).ToList());
mesh.SetUVs(0, sprite.uv.ToList());
mesh.SetTriangles(Array.ConvertAll(sprite.triangles, _ => (int)_), 0);
var matInst = new Material(data.Material);
// 渡すマテリアルはGPU Instancingに対応させる必要がある
var meshInstanceRenderer = new MeshInstanceRenderer();
meshInstanceRenderer.mesh = mesh;
meshInstanceRenderer.material = matInst;
return(meshInstanceRenderer);
}
