private void Bake(ColorGradient colorGradient)
{
var filePath = EditorUtility.SaveFilePanelInProject("Save Asset", "default_name", "png", "");
if (string.IsNullOrEmpty(filePath))
{
return;
}
var tex = new Texture2D(colorGradient.textureSize.x, colorGradient.textureSize.y, TextureFormat.ARGB32, false);
colorGradient.SetTexturePixel(tex);
var bytes = tex.EncodeToPNG();
System.IO.File.WriteAllBytes(filePath, bytes);
AssetDatabase.ImportAsset(filePath, ImportAssetOptions.ForceUpdate);
}
public bool Editor(ColorGradient colorGradient, ColorAxis axis)
{
var updated = false;
var coordinateUpdated = false;
if (previewTex == null)
{
previewTex = new Texture2D(previewSize, previewSize, TextureFormat.ARGB32, false);
coordinatePreviewTex = new Texture2D(coordinatePreviewSize, coordinatePreviewSize, TextureFormat.RG16, false);
coordinateUpdated = updated = true;
}
EditorGUI.BeginChangeCheck();
EditorGUILayout.BeginVertical();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField(label, new GUILayoutOption[] { GUILayout.Width(12) });
if (axis.axesCount >= 2)
{
axis.yWeight = EditorGUILayout.Slider(axis.yWeight, 0f, 1f);
}
EditorGUILayout.EndHorizontal();
EditorGUILayout.BeginHorizontal();
GUILayout.Box(previewTex);
EditorGUILayout.BeginVertical();
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("x", new GUILayoutOption[] { GUILayout.Width(12) });
axis.xCurve = EditorGUILayout.CurveField(axis.xCurve);
EditorGUILayout.EndHorizontal();
if (axis.axesCount >= 2)
{
EditorGUILayout.BeginHorizontal();
EditorGUILayout.LabelField("y", new GUILayoutOption[] { GUILayout.Width(12) });
axis.yCurve = EditorGUILayout.CurveField(axis.yCurve);
EditorGUILayout.EndHorizontal();
}
if (EditorGUI.EndChangeCheck())
{
updated = true;
}
EditorGUILayout.BeginHorizontal();
GUILayout.Box(coordinatePreviewTex);
EditorGUILayout.BeginVertical();
if (GUILayout.Button("Add Coordinate"))
{
axis.coordinateFilters.Add(new CoordinateFilter());
coordinateUpdated = true;
}
var addCoordinateFilterIndex = -1;
var removeCoordinateFilters = new List <CoordinateFilter>();
foreach (var filter in axis.coordinateFilters)
{
EditorGUILayout.BeginHorizontal();
coordinateUpdated |= CoordinateFilterEditor.Editor(filter);
if (GUILayout.Button("x", new GUILayoutOption[] { GUILayout.Width(20) }))
{
removeCoordinateFilters.Add(filter);
}
if (GUILayout.Button("+", new GUILayoutOption[] { GUILayout.Width(20) }))
{
addCoordinateFilterIndex = axis.coordinateFilters.IndexOf(filter);
}
EditorGUILayout.EndHorizontal();
}
foreach (var removeFilter in removeCoordinateFilters)
{
axis.coordinateFilters.Remove(removeFilter);
coordinateUpdated = true;
}
if (addCoordinateFilterIndex >= 0)
{
axis.coordinateFilters.Insert(addCoordinateFilterIndex, new CoordinateFilter());
coordinateUpdated = true;
}
updated |= coordinateUpdated;
EditorGUILayout.EndVertical();
EditorGUILayout.EndHorizontal();
EditorGUILayout.EndVertical();
EditorGUILayout.EndHorizontal();
if (GUILayout.Button("Add Filter"))
{
axis.colorFilters.Add(new ColorFilter());
updated = true;
}
var addColorFilterIndex = -1;
var removeColorFilters = new List <ColorFilter>();
foreach (var filter in axis.colorFilters)
{
EditorGUILayout.BeginHorizontal();
updated |= ColorFilterEditor.Editor(filter);
if (GUILayout.Button("x", new GUILayoutOption[] { GUILayout.Width(20) }))
{
removeColorFilters.Add(filter);
}
if (GUILayout.Button("+", new GUILayoutOption[] { GUILayout.Width(20) }))
{
addColorFilterIndex = axis.colorFilters.IndexOf(filter);
}
EditorGUILayout.EndHorizontal();
}
foreach (var removeFilter in removeColorFilters)
{
axis.colorFilters.Remove(removeFilter);
updated = true;
}
if (addColorFilterIndex >= 0)
{
axis.colorFilters.Insert(addColorFilterIndex, new ColorFilter());
updated = true;
}
EditorGUILayout.EndVertical();
if (updated)
{
if (colorGradient.axesCount == 2)
{
var axisValue = axis.Evaluate(previewSize, previewSize);
for (int x = 0; x < previewSize; x++)
{
for (int y = 0; y < previewSize; y++)
{
var v = axisValue[x, y];
var color = new Color(v, v, v, 1);
previewTex.SetPixel(x, y, color, 0);
}
}
}
else
{
var axisValue = axis.Evaluate(previewSize, 1);
for (int x = 0; x < previewSize; x++)
{
for (int y = 0; y < previewSize; y++)
{
var v = axisValue[x, 0];
var color = new Color(v, v, v, 1);
previewTex.SetPixel(x, y, color, 0);
}
}
for (int x = 0; x < previewSize; x++)
{
var v = (int)(axisValue[x, 0] * previewSize);
if (v >= 0 && v < previewSize)
{
previewTex.SetPixel(x, v, Color.green, 0);
}
}
}
previewTex.Apply();
}
if (coordinateUpdated)
{
for (int x = 0; x < coordinatePreviewSize; x++)
{
for (int y = 0; y < coordinatePreviewSize; y++)
{
var pos = new Vector2((float)x / coordinatePreviewSize, (float)y / coordinatePreviewSize);
foreach (var filter in axis.coordinateFilters)
{
pos = filter.Evaluate(pos);
}
var color = new Color(pos.x, pos.y, 0, 1);
coordinatePreviewTex.SetPixel(x, y, color, 0);
}
}
coordinatePreviewTex.Apply();
}
return(updated);
}
public UnityGradientToCurveWindow(ColorGradient colorGradient)
{
this.colorGradient = colorGradient;
this.gradient = new Gradient();
this.mode = AnimationUtility.TangentMode.Linear;
}