public void CreateCurve(IStorableAnimationCurve storable, UICurveLineColors colors, float thickness)
{
var line = new CurveLine(storable, colors);
line.thickness = thickness;
_lines.Add(line);
_scrubberPositions.Add(line, line.curve.keys.First().time);
_storableToLineMap.Add(storable, line);
SetVerticesDirty();
}
public CurveEditorPoint(CurveLine parent, UICurveLineColors colors = null)
{
this.parent = parent;
_colors = colors ?? new UICurveLineColors();
pointColor = _colors.pointColor;
inHandleColor = _colors.inHandleColor;
outHandleColor = _colors.outHandleColor;
lineColor = _colors.handleLineColor;
}
private void PopulateGrid(VertexHelper vh, Rect viewBounds, CurveLine line)
{
if (line == null)
{
return;
}
var viewMin = viewBounds.min;
var viewMax = viewBounds.max;
var cellSize = GetGridCellSize(line, viewBounds);
var minX = Mathf.Floor(viewMin.x / cellSize.x) * cellSize.x;
var maxX = Mathf.Ceil(viewMax.x / cellSize.x) * cellSize.x;
var minY = Mathf.Floor(viewMin.y / cellSize.y) * cellSize.y;
var maxY = Mathf.Ceil(viewMax.y / cellSize.y) * cellSize.y;
if ((maxX - minX) / cellSize.x < 100)
{
for (var x = minX; x <= maxX; x += cellSize.x)
{
vh.AddLine(new Vector2(x, viewMin.y), new Vector2(x, viewMax.y), 0.01f, _gridColor, _viewMatrix);
}
}
if ((maxY - minY) / cellSize.x < 100)
{
for (var y = minY; y <= maxY; y += cellSize.y)
{
vh.AddLine(new Vector2(viewMin.x, y), new Vector2(viewMax.x, y), 0.01f, _gridColor, _viewMatrix);
}
}
if (viewMin.y < 0 && viewMax.y > 0)
{
vh.AddLine(new Vector2(viewMin.x, 0), new Vector2(viewMax.x, 0), 0.04f, _girdAxisColor, _viewMatrix);
}
if (viewMin.x < 0 && viewMax.x > 0)
{
vh.AddLine(new Vector2(0, viewMin.y), new Vector2(0, viewMax.y), 0.04f, _girdAxisColor, _viewMatrix);
}
}
private Vector2 GetGridCellSize(CurveLine line, Rect viewBouns)
{
var viewMin = line.drawScale.inverse.Scale(viewBouns.min);
var viewMax = line.drawScale.inverse.Scale(viewBouns.max);
var stepCount = 10;
var roughStep = (viewMax - viewMin) / (stepCount - 1);
var stepPower = new Vector2(
Mathf.Pow(2, -Mathf.Floor(Mathf.Log(Mathf.Abs(roughStep.x), 2))),
Mathf.Pow(2, -Mathf.Floor(Mathf.Log(Mathf.Abs(roughStep.y), 2)))
);
var normalizedStep = roughStep * stepPower;
var step = new Vector2(
Mathf.NextPowerOfTwo(Mathf.CeilToInt(normalizedStep.x)),
Mathf.NextPowerOfTwo(Mathf.CeilToInt(normalizedStep.y))
);
return(line.drawScale.Scale(step / stepPower));
}