private void SetupParticles()
{
particleSystem.Clear(true);
particleSystem.gravityModifier = 0;
Vector3 offset = voxelData.pivot;
if (center)
{
offset.x = (float)voxelData.width / 2f;
offset.y = (float)voxelData.height / 2f;
offset.z = (float)voxelData.depth / 2f;
}
List <ParticleSystem.Particle> voxs = new List <ParticleSystem.Particle>();
for (int x = 0; x < voxelData.width; x++)
{
for (int y = 0; y < voxelData.height; y++)
{
for (int z = 0; z < voxelData.depth; z++)
{
if (voxelData.FilledVoxel(x, y, z))
{
if (removeHidden && !voxelData.IsVisible(x, y, z))
{
continue;
}
Vector3 pos = new Vector3(x, y, z);
pos -= offset - new Vector3(.5f, .5f, .5f);
pos *= scale;
//pos += this.transform.root.position;
ParticleSystem.Particle p = new ParticleSystem.Particle
{
startLifetime = float.PositiveInfinity,
remainingLifetime = float.PositiveInfinity,
startSize = scale,
startColor = voxelData.VoxelColor(x, y, z),
position = pos,
velocity = Vector3.zero
};
voxs.Add(p);
}
}
}
}
voxelParticles = voxs.ToArray();
UpdateVoxels();
}
private void ProcessTextures(VoxelFace face)
{
if (starts.Count <= 0)
{
return;
}
for (int i = 0; i < starts.Count; i++)
{
int w = 1, h = 1;
switch (face)
{
case VoxelFace.Front:
case VoxelFace.Back:
w = ends[i].x - starts[i].x + 1;
h = ends[i].y - starts[i].y + 1;
break;
case VoxelFace.Left:
case VoxelFace.Right:
w = ends[i].z - starts[i].z + 1;
h = ends[i].y - starts[i].y + 1;
break;
case VoxelFace.Top:
case VoxelFace.Bottom:
w = ends[i].x - starts[i].x + 1;
h = ends[i].z - starts[i].z + 1;
break;
}
Texture2D tex = new Texture2D(w, h, TextureFormat.ARGB32, false);
Color32[] tcolor = tex.GetPixels32();
for (int c = 0; c < tcolor.Length; c++)
{
tcolor[c] = Color.clear;
}
tex.SetPixels32(tcolor);
int px = 0, py = 0;
switch (face)
{
case VoxelFace.Front:
case VoxelFace.Back:
{
int z = starts[i].z;
for (int y = starts[i].y; y <= ends[i].y; y++)
{
px = 0;
for (int x = starts[i].x; x <= ends[i].x; x++)
{
tex.SetPixel(px, py, data.VoxelColor(x, y, z));
px++;
}
py++;
}
}
break;
case VoxelFace.Left:
case VoxelFace.Right:
{
int x = starts[i].x;
for (int y = starts[i].y; y <= ends[i].y; y++)
{
px = 0;
for (int z = starts[i].z; z <= ends[i].z; z++)
{
tex.SetPixel(px, py, data.VoxelColor(x, y, z));
px++;
}
py++;
}
}
break;
case VoxelFace.Top:
case VoxelFace.Bottom:
{
int y = starts[i].y;
for (int z = starts[i].z; z <= ends[i].z; z++)
{
px = 0;
for (int x = starts[i].x; x <= ends[i].x; x++)
{
tex.SetPixel(px, py, data.VoxelColor(x, y, z));
px++;
}
py++;
}
}
break;
}
tex.Apply();
texs.Add(tex);
}
}
public PreviewVoxelMesh(VoxelData data)
{
List <Vector3> verts = new List <Vector3>();
List <int> idxs = new List <int>();
List <Color32> colors = new List <Color32>();
for (int x = 0; x < data.width; x++)
{
for (int y = 0; y < data.height; y++)
{
for (int z = 0; z < data.depth; z++)
{
if (data.IsVisible(x, y, z))
{
int i = verts.Count;
Color32 col = data.VoxelColor(x, y, z);
float c = ((float)((data.GetVoxel(x, y, z) - 1))) / 256;
Vector2 uv = new Vector2(c, 0);
//Top...
verts.Add(new Vector3(x, y + 1, z));
verts.Add(new Vector3(x, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y + 1, z));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 1);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 3);
i += 4;
//Bottom...
verts.Add(new Vector3(x, y, z));
verts.Add(new Vector3(x, y, z + 1));
verts.Add(new Vector3(x + 1, y, z + 1));
verts.Add(new Vector3(x + 1, y, z));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 1);
idxs.Add(i + 0);
idxs.Add(i + 3);
idxs.Add(i + 2);
i += 4;
//Front...
verts.Add(new Vector3(x, y, z));
verts.Add(new Vector3(x, y + 1, z));
verts.Add(new Vector3(x + 1, y + 1, z));
verts.Add(new Vector3(x + 1, y, z));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 1);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 3);
i += 4;
//Back...
verts.Add(new Vector3(x, y, z + 1));
verts.Add(new Vector3(x, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y, z + 1));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 1);
idxs.Add(i + 0);
idxs.Add(i + 3);
idxs.Add(i + 2);
i += 4;
//Left...
verts.Add(new Vector3(x, y, z));
verts.Add(new Vector3(x, y + 1, z));
verts.Add(new Vector3(x, y + 1, z + 1));
verts.Add(new Vector3(x, y, z + 1));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 3);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 1);
i += 4;
//Right...
verts.Add(new Vector3(x + 1, y, z));
verts.Add(new Vector3(x + 1, y + 1, z));
verts.Add(new Vector3(x + 1, y + 1, z + 1));
verts.Add(new Vector3(x + 1, y, z + 1));
colors.Add(col); colors.Add(col); colors.Add(col); colors.Add(col);
idxs.Add(i + 0);
idxs.Add(i + 1);
idxs.Add(i + 2);
idxs.Add(i + 0);
idxs.Add(i + 2);
idxs.Add(i + 3);
i += 4;
}
}
}
}
//Debug.Log(verts.Count);
//Debug.Log(uvs.Count);
//Debug.Log(idxs.Count);
mesh = new Mesh();
mesh.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
mesh.subMeshCount = 1;
mesh.vertices = verts.ToArray();
mesh.SetIndices(idxs.ToArray(), MeshTopology.Triangles, 0);
mesh.SetColors(colors);
mesh.RecalculateNormals();
}
