private ShadingLine GetShadingLine()
{
Vector3 fromPoint = fromObject.transform.localToWorldMatrix.MultiplyPoint(new Vector3(0.0f, 0.0f, 0.0f));
Vector3 toPoint = toObject.transform.localToWorldMatrix.MultiplyPoint(new Vector3(0.0f, 0.0f, 0.0f));
ShadingLine line = new ShadingLine ();
line.Add (new ShadingLinePoint (fromPoint, this.color));
line.Add (new ShadingLinePoint (toPoint, this.color));
return line;
}
private List<ShadingLine> GetSpecularShadingLine(Vector3 lightDirection, Vector3 normal, int nDistro)
{
Vector3 lightU = Vector3.Dot (-lightDirection, normal) * normal;
Vector3 lightH = -lightDirection - lightU;
Vector3 reflect = (-lightDirection - 2.0f * lightH).normalized;
List<ShadingLine> shadingLines = new List<ShadingLine> ();
{
ShadingLine line = new ShadingLine ();
line.Add( new ShadingLinePoint( new Vector3(), Color.blue ));
line.Add( new ShadingLinePoint( reflect, Color.blue ));
shadingLines.Add (line);
}
if (Vector3.Dot (lightDirection, normal) > 0)
{
return shadingLines;
}
float PhongPower = shadingUIController.PhongPower;
float PhongIntensity = 1.0f;
while(shadingLines.Count < nDistro+1)
{
Vector3 v = GetDistVector ();//-view direction
if (Vector3.Dot (v, reflect) < 0.0f)
{
v = -v;
}
if (Vector3.Dot (v, normal) > 0)
{
float p = Mathf.Pow(Mathf.Abs(Vector3.Dot (reflect, v)), PhongPower) * PhongIntensity;
if (p > 0.001)
{
ShadingLine line = new ShadingLine ();
line.Add (new ShadingLinePoint (new Vector3 (), Color.red));
line.Add (new ShadingLinePoint (p * v, Color.red));
shadingLines.Add (line);
}
}
}
return shadingLines;
}
void Update()
{
Light l = fromObject.GetComponent<Light> ();
if (l != null)
{
this.color = l.color;
}
Matrix4x4 lineMat = directionObject.transform.worldToLocalMatrix;
this.LightLine = GetShadingLine();
Vector3 fromPoint = lineMat.MultiplyVector (LightLine.Points[0].Position);
Vector3 toPoint = lineMat.MultiplyVector (LightLine.Points[1].Position);
if (this.directionObject != null)
{
ShadingLine line = new ShadingLine();
line.Add( new ShadingLinePoint(fromPoint, color) );
line.Add( new ShadingLinePoint(toPoint, color) );
ShadingLineController shadingLineController = directionObject.GetComponent<ShadingLineController>();
shadingLineController.Initialize (line);
}
}