public void AddCubeSurface(MeshTool.BlockSurface surface, int normalIndex, BlockTypeFunBase blockFun)
{
int startVericesNum = vertices.Count;
//三角形
for (int t = 0; t < 6; t++)
{
triangles.Add(startVericesNum + indices[t]);
}
//顶点
for (int p = 0; p < 4; p++)
{
vertices.Add(surface.pos + MeshTool.VertexOffset[normalIndex, p]);
normals.Add(MeshTool.NormalDefine[normalIndex]);
tangents.Add(new Vector4(surface.raytraceAo[0], surface.raytraceAo[1], surface.raytraceAo[2], surface.raytraceAo[3]));
colors.Add(blockFun.getFaceColor(surface.type, (Block.BlockFaceIndex)normalIndex));
}
//uv
Rect rect = blockFun.getTextureUV(surface.type, (Block.BlockFaceIndex)normalIndex);
uv.Add(new Vector2(rect.xMax, rect.yMin));
uv.Add(new Vector2(rect.xMin, rect.yMin));
uv.Add(new Vector2(rect.xMin, rect.yMax));
uv.Add(new Vector2(rect.xMax, rect.yMax));
//uv2
uv2.Add(new Vector2(0, 0));
uv2.Add(new Vector2(0, 1));
uv2.Add(new Vector2(1, 1));
uv2.Add(new Vector2(1, 0));
}
private void AddSubSurface(MeshTool.BlockSurface surface, int normalIndex, BlockTypeFunBase blockFun, Rect rect, float depth)
{
int startVericesNum = vertices.Count;
//三角形
for (int t = 0; t < 6; t++)
{
triangles.Add(startVericesNum + indices[t]);
}
//顶点
Vector3[] vs = GetSubSurfaceVertex(normalIndex, rect, depth);
for (int p = 0; p < 4; p++)
{
Vector3 pos = surface.pos + vs[p];
vertices.Add(pos);
normals.Add(MeshTool.NormalDefine[normalIndex]);
//tangents.Add(new Vector4(surface.raytraceAo[0], surface.raytraceAo[1], surface.raytraceAo[2], surface.raytraceAo[3]));
Color color = blockFun.getFaceColor(surface.type, (Block.BlockFaceIndex)normalIndex);
//color *= ((vs[p] - Vector3.one * 0.5f).magnitude);
//color.a = surface.raytraceAo[p];
color.a = (surface.extendAo[p] * 0.5f + 0.5f) * surface.raytraceAo[p];
colors.Add(color);
}
//uv
Rect uvRect = blockFun.getTextureUV(surface.type, (Block.BlockFaceIndex)normalIndex);
uvRect = GetSubRect(uvRect, rect);
uv.Add(new Vector2(uvRect.xMax, uvRect.yMin));
uv.Add(new Vector2(uvRect.xMin, uvRect.yMin));
uv.Add(new Vector2(uvRect.xMin, uvRect.yMax));
uv.Add(new Vector2(uvRect.xMax, uvRect.yMax));
//uv2
uv2.Add(new Vector2(rect.xMin, rect.yMin));
uv2.Add(new Vector2(rect.xMax, rect.yMin));
uv2.Add(new Vector2(rect.xMax, rect.yMax));
uv2.Add(new Vector2(rect.xMin, rect.yMax));
}
public static Mesh createMesh(List <BlockSurface> surfacePoints, int normalIndex, Texture2D aoTexture, BlockTypeFunBase blockFun)
{
if (surfacePoints.Count > 0)
{
Vector3[] vertices = new Vector3[surfacePoints.Count * 4];
for (int i = 0; i < surfacePoints.Count; i++)
{
for (int p = 0; p < 4; p++)
{
vertices[i * 4 + p] = surfacePoints[i].pos + VertexOffset[normalIndex, p];
}
}
int[] triangles = new int[surfacePoints.Count * 6];
for (int i = 0; i < surfacePoints.Count; i++)
{
triangles[i * 6 + 0] = i * 4 + 0;
triangles[i * 6 + 1] = i * 4 + 1;
triangles[i * 6 + 2] = i * 4 + 2;
triangles[i * 6 + 3] = i * 4 + 0;
triangles[i * 6 + 4] = i * 4 + 2;
triangles[i * 6 + 5] = i * 4 + 3;
}
Vector3[] normals = new Vector3[vertices.Length];
for (int i = 0; i < normals.Length; i++)
{
normals[i] = NormalDefine[normalIndex];
}
Vector4[] tangents = new Vector4[surfacePoints.Count * 4];
if (aoTexture)
{
Color[] aoColors = aoTexture.GetPixels();
for (int i = 0; i < surfacePoints.Count; i++)
{
for (int v = 0; v < 4; v++)
{
tangents[i * 4 + v] = new Vector4(aoColors[i * 4 + 0].a, aoColors[i * 4 + 1].a, aoColors[i * 4 + 2].a, aoColors[i * 4 + 3].a);
}
}
}
Vector2[] uv = new Vector2[surfacePoints.Count * 4];
for (int i = 0; i < surfacePoints.Count; i++)
{
Rect rect = blockFun.getTextureUV(surfacePoints[i].type, (Block.BlockFaceIndex)normalIndex);
uv[i * 4 + 0] = new Vector2(rect.xMax, rect.yMin);
uv[i * 4 + 1] = new Vector2(rect.xMin, rect.yMin);
uv[i * 4 + 2] = new Vector2(rect.xMin, rect.yMax);
uv[i * 4 + 3] = new Vector2(rect.xMax, rect.yMax);
}
Vector2[] uv2 = new Vector2[surfacePoints.Count * 4];
for (int i = 0; i < surfacePoints.Count; i++)
{
uv2[i * 4 + 0] = new Vector2(0, 0);
uv2[i * 4 + 1] = new Vector2(0, 1);
uv2[i * 4 + 2] = new Vector2(1, 1);
uv2[i * 4 + 3] = new Vector2(1, 0);
}
Color[] colors = new Color[surfacePoints.Count * 4];
for (int i = 0; i < surfacePoints.Count; i++)
{
for (int v = 0; v < 4; v++)
{
colors[i * 4 + v] = blockFun.getFaceColor(surfacePoints[i].type, (Block.BlockFaceIndex)normalIndex);
}
}
Mesh mesh = new Mesh();
mesh.vertices = vertices;
mesh.triangles = triangles;
mesh.normals = normals;
mesh.tangents = tangents;
mesh.uv = uv;
mesh.uv2 = uv2;
mesh.colors = colors;
return(mesh);
}
return(null);
}
