public static void CacheSpriteMesh(int spriteId, Mesh mesh)
{
if (!SpriteMeshDic.ContainsKey(spriteId))
{
SpriteMeshDic.Add(spriteId, mesh);
}
}
public static Mesh CreateSpriteMesh(CocoSpritaMeta meta, Texture tex)
{
Mesh mesh;
if (!SpriteMeshDic.TryGetValue(meta.id, out mesh))
{
mesh = new Mesh();
var vert = new Vector3[4];
vert[0] = new Vector3(meta.screen[0] / 16, -meta.screen[1] / 16, 0);
vert[1] = new Vector3(meta.screen[2] / 16, -meta.screen[3] / 16, 0);
vert[2] = new Vector3(meta.screen[4] / 16, -meta.screen[5] / 16, 0);
vert[3] = new Vector3(meta.screen[6] / 16, -meta.screen[7] / 16, 0);
mesh.vertices = vert;
var tri = new int[6];
tri[0] = 0;
tri[1] = 3;
tri[2] = 1;
tri[3] = 2;
tri[4] = 1;
tri[5] = 3;
mesh.triangles = tri;
var normals = new Vector3[4];
normals[0] = -Vector3.forward;
normals[1] = -Vector3.forward;
normals[2] = -Vector3.forward;
normals[3] = -Vector3.forward;
mesh.normals = normals;
Vector2[] uv = new Vector2[4];
uv[0] = new Vector2(meta.src[0] / tex.width, 1 - meta.src[1] / tex.height); // 0
uv[1] = new Vector2(meta.src[2] / tex.width, 1 - meta.src[3] / tex.height); // 1
uv[2] = new Vector2(meta.src[4] / tex.width, 1 - meta.src[5] / tex.height); // 2
uv[3] = new Vector2(meta.src[6] / tex.width, 1 - meta.src[7] / tex.height); // 3
mesh.uv = uv;
mesh.RecalculateBounds();
CacheSpriteMesh(meta.id, mesh);
}
return(mesh);
}
