public static void DrawCurve(Color color, AnimationCurve curve1, AnimationCurve curve2, bool activeCurve1, bool activeCurve2, int selectedKey, Rect gridRect, Rect gradRect, bool isIcon = false, float clip = 1.0f)
{
if (curve2 != null)
{
int samples = (int)(Screen.height * 0.5f * gridRect.width);
Color colorTransp = color;
colorTransp.a /= 3f;
Vector2 v1 = Vector2.zero;
Vector2 v2 = Vector2.zero;
Vector2 v1prev;
Vector2 v2prev;
for (int i = 0; i < samples; ++i)
{
v1prev = v1; v2prev = v2;
float t = (float)i / samples;
v1.x = gradRect.xMin + t * (gradRect.xMax - gradRect.xMin);
v2.x = v1.x;
v1.y = curve1.Evaluate(v1.x);
v1 = CurveLines.Convert(v1, gridRect, gradRect);
v2.y = curve2.Evaluate(v2.x);
v2 = CurveLines.Convert(v2, gridRect, gradRect);
if (i > 0)
{
GL.Begin(GL.QUADS);
lineMaterial.color = colorTransp;
lineMaterial.SetPass(0);
GL.Vertex3(v1prev.x, v1prev.y, mZ);
GL.Vertex3(v2prev.x, v2prev.y, mZ);
GL.Vertex3(v2.x, v2.y, mZ);
GL.Vertex3(v1.x, v1.y, mZ);
GL.End();
}
}
DrawOneCurve(color, curve2, activeCurve2, selectedKey, gridRect, gradRect, isIcon, clip);
}
DrawOneCurve(color, curve1, activeCurve1, selectedKey, gridRect, gradRect, isIcon, clip);
}
static void DrawOneCurve(Color color, AnimationCurve curve, bool activeCurve, int selectedKey, Rect gridRect, Rect gradRect, bool isIcon = false, float clip = 1.0f)
{
float margin = CurveLines.marginNoDpi * 0.6f;
for (int i = 0; i < curve.length; ++i)
{
Vector2 val = new Vector2(curve[i].time, curve[i].value);
val = CurveLines.Convert(val, gridRect, gradRect);
//outside of the interval,just draw straigt lines outside from the 1st and last key respectively
if (i == 0 && curve.keys[i].time > gradRect.xMin)
{
GL.Begin(GL.LINES);
//GL.Color(color);
lineMaterial.color = color;
lineMaterial.SetPass(0);
GL.Vertex3(gridRect.xMin, val.y, mZ);
GL.Vertex3(val.x, val.y, mZ);
GL.End();
}
if (i == curve.length - 1 && curve.keys[i].time < gradRect.xMax)
{
GL.Begin(GL.LINES);
//GL.Color(color);
lineMaterial.color = color;
lineMaterial.SetPass(0);
GL.Vertex3(val.x, val.y, mZ);
GL.Vertex3(gridRect.xMax, val.y, mZ);
GL.End();
}
if (curve.length > i + 1)
{ //draw bezier between consecutive keys
Vector2 val2 = new Vector2(curve[i + 1].time, curve[i + 1].value);
val2 = CurveLines.Convert(val2, gridRect, gradRect);
Vector2 c1 = Vector2.zero;
Vector2 c2 = Vector2.zero;
float tangOut = curve[i].outTangent;
float tangIn = curve[i + 1].inTangent;
float ratio = (gridRect.height / gridRect.width) * (gradRect.width / gradRect.height);
float tangOutScaled = Mathf.Atan(tangOut * ratio);
float tangInScaled = Mathf.Atan(tangIn * ratio);
if (tangOut != float.PositiveInfinity && tangIn != float.PositiveInfinity)
{
GetControlPoints(val, val2, tangOut * ratio, tangIn * ratio, out c1, out c2);
int samples = (int)(Screen.height * 0.5f * (val2.x - val.x));
DrawBezier(curve, color, samples, val, c1, c2, val2, gridRect, gradRect, clip);
}
else
{
DrawConstant(color, val, val2);
}
if (activeCurve)
{
if (selectedKey == i)
{
ContextMenuStruct contextMenu = dictCurvesContextMenus[curve][selectedKey];
if (!contextMenu.auto && (!contextMenu.broken || contextMenu.rightTangent.free))
{
Vector2 tangPeak = new Vector2(val.x + CurveLines.tangFixedLength * Mathf.Cos(tangOutScaled),
val.y + CurveLines.tangFixedLength * Mathf.Sin(tangOutScaled));
GL.Begin(GL.LINES);
lineMaterial.color = Color.gray;
lineMaterial.SetPass(0);
GL.Vertex3(val.x, val.y, mZ);
GL.Vertex3(tangPeak.x, tangPeak.y, mZ);
GL.End();
DrawQuad(Color.gray, tangPeak, margin);
}
}
if (selectedKey == i + 1)
{
ContextMenuStruct contextMenu = dictCurvesContextMenus[curve][selectedKey];
if (!contextMenu.auto && (!contextMenu.broken || contextMenu.leftTangent.free))
{
Vector2 tangPeak = new Vector2(val2.x - CurveLines.tangFixedLength * Mathf.Cos(tangInScaled),
val2.y - CurveLines.tangFixedLength * Mathf.Sin(tangInScaled));
GL.Begin(GL.LINES);
lineMaterial.color = Color.gray;
lineMaterial.SetPass(0);
GL.Vertex3(val2.x, val2.y, mZ);
GL.Vertex3(tangPeak.x, tangPeak.y, mZ);
GL.End();
DrawQuad(Color.gray, tangPeak, margin);
}
}
}
}
if (activeCurve)
{
if (selectedKey == i)
{
DrawQuad(lightGray, val, 1.33333f * margin);
}
}
if (!isIcon)
{
DrawQuad(color, val, margin);
}
}
}