public static REPEATDATA Create(Vector3 startPos, Vector3[] maxVS, Vector2 uvOffset, Vector2 atlasSize, Vector2[] atlasUvs)
{
/*
* maxVS[0] maxVS[1]
+--------- --+
| |
| StartPos & uvOffset
| +----------
| |
| |
|
*/
if (startPos.x < maxVS[0].x || startPos.y > maxVS[0].y)
{
throw new SystemException("Unexpected!");
}
if (uvOffset.x < 0 || uvOffset.x > atlasSize.x || uvOffset.y < 0 || uvOffset.y > atlasSize.y)
{
throw new SystemException("Unexpected!");
}
REPEATDATA d = new REPEATDATA();
d.vs[0] = startPos;
d.vs[1] = startPos + (atlasSize.x - uvOffset.x) * Vector3.right;
if (d.vs[1].x > maxVS[1].x)
{
d.vs[1] = startPos.y * Vector3.up + maxVS[1].x * Vector3.right;
}
d.vs[2] = startPos - atlasSize.y * Vector3.up;
if (d.vs[2].y < maxVS[2].y)
{
d.vs[2] = startPos.x * Vector3.right + maxVS[2].y * Vector3.up;
}
d.vs[3] = d.vs[2].y * Vector3.up + d.vs[1].x * Vector3.right;
float atlas_width = atlasUvs[1].x - atlasUvs[0].x;
float atlas_height = atlasUvs[0].y - atlasUvs[2].y;
d.uvs[0] = atlasUvs[0] + new Vector2(uvOffset.x / atlasSize.x * atlas_width, uvOffset.y / atlasSize.y * atlas_height);
d.uvs[1] = d.uvs[0].y * Vector2.up + (d.uvs[0].x + ((d.vs[1].x - d.vs[0].x) / atlasSize.x * atlas_width)) * Vector2.right;
d.uvs[2] = (d.uvs[0].y - ((d.vs[0].y - d.vs[2].y) / atlasSize.y * atlas_height)) * Vector2.up + d.uvs[0].x * Vector2.right;
d.uvs[3] = d.uvs[2].y * Vector2.up + d.uvs[1].x * Vector2.right;
return(d);
}
public static void DrawAtlas_REPEAT(Vector2[] atlasUvs, Vector2 atlasSize, Vector2 offset, hgMesh.MeshSet meshSet, int boneIndex, Vector3[] vs, int colorIndex)
{
List <REPEATDATA> list = new List <REPEATDATA>();
Vector3 startPos = vs[0];
Vector2 uvOffset = Vector2.zero;
{
int ix = (int)offset.x % (int)atlasSize.x;
int iy = (int)offset.y % (int)atlasSize.y;
float x = ix > 0 ? atlasSize.x - ix : 0;
float y = iy > 0 ? atlasSize.y - iy : 0;
uvOffset = new Vector2(x, y);
}
const int loopmax = 1000;
for (var i = 0; i <= loopmax; i++)
{
if (i == loopmax)
{
throw new SystemException("Unexpected! Too much Loop at DrawAtlas_REPEAT");
}
REPEATDATA d = REPEATDATA.Create(startPos, vs, uvOffset, atlasSize, atlasUvs);
list.Add(d);
if (d.vs[3].x >= vs[3].x)
{
if (d.vs[3].y <= vs[3].y)
{
break;
}
startPos = d.vs[3].y * Vector3.up + vs[0].x * Vector3.right;
}
else
{
startPos = d.vs[1];
}
}
if (meshSet == null)
{
return;
}
foreach (var d in list)
{
int save_vsize = meshSet.vclist.Count;
// Vertex
meshSet.vlist.AddRange(d.vs);
// Vcolor
var ncolor = hglHtmlColor.IndexToVColor(colorIndex);
ncolor.a = 17f / 64f - 1f / 128f;
meshSet.vclist.AddRange(new Color[] {
ncolor, ncolor, ncolor, ncolor,
});
// Triangle
meshSet.trilist.AddRange(new int[] { save_vsize, save_vsize + 1, save_vsize + 3 });
meshSet.trilist.AddRange(new int[] { save_vsize, save_vsize + 3, save_vsize + 2 });
/* uv
* 0--1
| |
| 2--3
|
*/
meshSet.uvlist.AddRange(d.uvs);
// bone weights
if (boneIndex < 0)
{
throw new SystemException("Unexpected!");
}
meshSet.bwlist.Add(new BoneWeight()
{
boneIndex0 = boneIndex, weight0 = 1
}); // v[0]
meshSet.bwlist.Add(new BoneWeight()
{
boneIndex0 = boneIndex, weight0 = 1
}); // v[1]
meshSet.bwlist.Add(new BoneWeight()
{
boneIndex0 = boneIndex, weight0 = 1
}); // v[2]
meshSet.bwlist.Add(new BoneWeight()
{
boneIndex0 = boneIndex, weight0 = 1
}); // v[3]
}
}