protected override void FillTexture(Texture2D texture)
{
if (Data == null)
{
return;
}
Data.BeginInputInit();
_color = Data.CteateOutput(ValueType.Color, "Color");
_position = Data.CteateInput(ValueType.Vector2, "Position");
_rToBorder = Data.CteateInput(ValueType.Float, "Radius To Border");
_rToCorner = Data.CteateInput(ValueType.Float, "Radius To Corner");
_angle = Data.CteateInput(ValueType.Float, "Angle");
Data.EndInputInit();
if (Input == null)
{
Input = new NodeDataInput();
}
Input.InitializeFrom(Data);
Input.SetTo(Data);
int width = texture.width;
int height = texture.height;
Color[] colors = new Color[width * height];
float halfWidth = width * 0.5f;
float halfHeight = height * 0.5f;
float cornerlength = Mathf.Sqrt(2);
for (int i = 0; i < colors.Length; i++)
{
float y = (int)(i / width);
float x = i - y * width;
y -= halfHeight - 0.5f;
x -= halfWidth - 0.5f;
Vector2 position = new Vector2(x / halfWidth, y / halfHeight);
float r = position.magnitude;
float rToBorder = r;
float rToCorner = r / cornerlength;
float angle = 0.5f + Mathf.Atan2(-x, -y) / (2 * Mathf.PI);
Data.SetVector2(_position, new Vector2(position.x * 0.5f + 0.5f, position.y * 0.5f + 0.5f));
Data.SetFloat(_rToBorder, rToBorder);
Data.SetFloat(_rToCorner, rToCorner);
Data.SetFloat(_angle, angle);
Data.Process();
colors[i] = Data.GetColor(_color);
}
texture.SetPixels(colors);
texture.Apply();
Texture = texture;
}
void OnEnable()
{
if (Data == null)
{
return;
}
Data.Prepare();
if (Input == null)
{
Input = new NodeDataInput();
}
Input.InitializeFrom(Data);
}
void GenerateMesh(Mesh mesh, int width, int height)
{
if (Data == null)
{
return;
}
Data.BeginInputInit();
_x = Data.CteateInput(ValueType.Float, "X");
_y = Data.CteateInput(ValueType.Float, "Y");
_width = Data.CteateInput(ValueType.Float, "Width");
_height = Data.CteateInput(ValueType.Float, "Height");
_start = Data.CteateInput(ValueType.Bool, "Start");
_position = Data.CteateOutput(ValueType.Vector3, "Position");
_normal = Data.CteateOutput(ValueType.Vector3, "Normal");
_tangent = Data.CteateOutput(ValueType.Vector4, "Tangent");
_color = Data.CteateOutput(ValueType.Color, "Color");
_uv0 = Data.CteateOutput(ValueType.Vector2, "UV0");
_uv1 = Data.CteateOutput(ValueType.Vector2, "UV1");
_uv2 = Data.CteateOutput(ValueType.Vector2, "UV2");
_uv3 = Data.CteateOutput(ValueType.Vector2, "UV3");
Data.EndInputInit();
if (Input == null)
{
Input = new NodeDataInput();
}
Input.InitializeFrom(Data);
Input.SetTo(Data);
int vertWidth = width + 1;
int vertHeight = height + 1;
int verticesCount = vertWidth * vertHeight;
Vector3[] positions = IsConnected(_position) ? new Vector3[verticesCount] : null;
Vector3[] normals = IsConnected(_normal) ? new Vector3[verticesCount] : null;
Vector4[] tangents = IsConnected(_tangent) ? new Vector4[verticesCount] : null;
Color[] colors = IsConnected(_color) ? new Color[verticesCount] : null;
Vector2[] uv0 = IsConnected(_uv0) ? new Vector2[verticesCount] : null;
Vector2[] uv1 = IsConnected(_uv1) ? new Vector2[verticesCount] : null;
Vector2[] uv2 = IsConnected(_uv2) ? new Vector2[verticesCount] : null;
Vector2[] uv3 = IsConnected(_uv3) ? new Vector2[verticesCount] : null;
if (positions == null)
{
mesh.Clear();
return;
}
Data.SetFloat(_width, width);
Data.SetFloat(_height, height);
for (int y = 0, i = 0; y < vertHeight; y++)
{
for (int x = 0; x < vertWidth; x++, i++)
{
float fx = x / (float)width;
float fy = y / (float)height;
Data.SetBool(_start, i == 0);
Data.SetFloat(_x, fx);
Data.SetFloat(_y, fy);
Data.Process();
positions[i] = Data.GetVector3(_position);
if (normals != null)
{
normals[i] = Data.GetVector3(_normal);
}
if (tangents != null)
{
tangents[i] = Data.GetVector4(_tangent);
}
if (colors != null)
{
colors[i] = Data.GetColor(_color);
}
if (uv0 != null)
{
uv0[i] = Data.GetVector2(_uv0);
}
if (uv1 != null)
{
uv1[i] = Data.GetVector2(_uv1);
}
if (uv2 != null)
{
uv2[i] = Data.GetVector2(_uv2);
}
if (uv3 != null)
{
uv3[i] = Data.GetVector2(_uv3);
}
}
}
// \ | \ |
// - 0 - 1 -
// \ | \ | \
// - 2 - 3 -
// | \ | \
int[] triangles = new int[width * height * 6];
for (int y = 0, t = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
int v0 = y * vertWidth + x;
int v1 = v0 + 1;
int v2 = v0 + vertWidth;
int v3 = v2 + 1;
triangles[t++] = v0;
triangles[t++] = v2;
triangles[t++] = v3;
triangles[t++] = v3;
triangles[t++] = v1;
triangles[t++] = v0;
}
}
mesh.Clear();
mesh.vertices = positions;
mesh.triangles = triangles;
if (normals != null)
{
mesh.normals = normals;
}
if (tangents != null)
{
mesh.tangents = tangents;
}
if (colors != null)
{
mesh.colors = colors;
}
if (uv0 != null)
{
mesh.uv = uv0;
}
if (uv1 != null)
{
mesh.uv2 = uv1;
}
if (uv2 != null)
{
mesh.uv3 = uv2;
}
if (uv3 != null)
{
mesh.uv4 = uv3;
}
mesh.RecalculateBounds();
if (RecalculateNormals)
{
mesh.RecalculateNormals();
}
if (RecalculateTangents)
{
mesh.RecalculateTangents();
}
}
protected override void FillTexture(Texture2D texture)
{
if (Data == null || Source == null) return;
bool isReadable = false;
#if UNITY_EDITOR
string path = UnityEditor.AssetDatabase.GetAssetPath(Source);
UnityEditor.TextureImporter ti = (UnityEditor.TextureImporter)UnityEditor.TextureImporter.GetAtPath(path);
if (ti != null)
isReadable = ti.isReadable;
#endif
if (!isReadable) return;
Data.BeginInputInit();
_in0 = Data.CteateInput(ValueType.Color, "In 0");
_in1 = Data.CteateInput(ValueType.Color, "In 1");
_in2 = Data.CteateInput(ValueType.Color, "In 2");
_in3 = Data.CteateInput(ValueType.Color, "In 3");
_original = Data.CteateInput(ValueType.Color, "Original");
_pos = Data.CteateInput(ValueType.Vector2, "Position");
_mipPos = Data.CteateInput(ValueType.Float, "Mip Position");
_mipCount = Data.CteateInput(ValueType.Float, "Mip Count");
_out = Data.CteateOutput(ValueType.Color, "Color");
Data.EndInputInit();
if (Input == null) Input = new NodeDataInput();
Input.InitializeFrom(Data);
Input.SetTo(Data);
int mipmapCount = 1 + (int)Mathf.Log(Mathf.Max(Source.width, Source.height), 2);
Color[] lastColors = null;
Data.SetFloat(_mipCount, mipmapCount);
for (int mI = 0; mI < mipmapCount; mI++)
{
int mipWidth = Mathf.Max(texture.width >> mI, 1);
int mipHeight = Mathf.Max(texture.height >> mI, 1);
int lastMipWidth = Mathf.Max(texture.width >> (mI - 1), 1);
int lastMipHeight = Mathf.Max(texture.height >> (mI - 1), 1);
int mipDelta = lastMipWidth > mipWidth ? 2 : 1;
int mipDeltaY = mipDelta * (lastMipHeight > mipHeight ? 2 : 1);
Data.SetFloat(_mipPos, mI / (float)mipmapCount);
Color[] colors = lastColors == null || Source.mipmapCount == mipmapCount ? Source.GetPixels(mI) : new Color[mipWidth * mipHeight];
if (lastColors != null)
{
for (int i = 0; i < colors.Length; i++)
{
int y = i / mipWidth;
int x = i - y * mipWidth;
int i2 = x * mipDelta + y * mipWidth * mipDeltaY;
if (lastColors.Length < 4) lastMipWidth = 0;
Data.SetVector2(_pos, new Vector2(x / (float)mipWidth, y / (float)mipHeight));
Data.SetColor(_in0, lastColors[i2]);
Data.SetColor(_in1, lastColors[i2 + 1]);
Data.SetColor(_in2, lastColors[i2 + lastMipWidth]);
Data.SetColor(_in3, lastColors[i2 + lastMipWidth + 1]);
Data.SetColor(_original, colors[i]);
Data.Process();
colors[i] = Data.GetColor(_out);
}
}
texture.SetPixels(colors, mI);
lastColors = colors;
}
texture.Apply(false);
}