public override void Render(ViewControl vc)
{
BasicRendererFlags solid = BasicRendererFlags.Solid
| BasicRendererFlags.DisableDepthTest;
BasicRendererFlags wire = BasicRendererFlags.WireFrame
| BasicRendererFlags.DisableDepthTest;
Matrix4F normWorld = GetManipulatorMatrix();
if (normWorld == null)
{
return;
}
Camera camera = vc.Camera;
Vec3F pos = normWorld.Translation;
float s;
Util.CalcAxisLengths(vc.Camera, pos, out s);
Vec3F sv = new Vec3F(s, s, s);
Vec3F axscale = new Vec3F(Math.Abs(s * m_scale.X), Math.Abs(s * m_scale.Y), Math.Abs(s * m_scale.Z));
Color xcolor = (m_hitRegion == HitRegion.XAxis || m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.Red;
Color ycolor = (m_hitRegion == HitRegion.YAxis || m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.Green;
Color Zcolor = (m_hitRegion == HitRegion.ZAxis || m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.Blue;
Color freeRect = (m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.White;
Matrix4F scale = new Matrix4F();
scale.Scale(axscale);
Matrix4F xform = scale * normWorld;
Util3D.RenderFlag = wire;
Util3D.DrawX(xform, xcolor);
Util3D.DrawY(xform, ycolor);
Util3D.DrawZ(xform, Zcolor);
Vec3F rectScale = sv * FreeRectRatio;
scale.Scale(rectScale);
Matrix4F b = Util.CreateBillboard(pos, camera.WorldEye, camera.Up, camera.LookAt);
Matrix4F recXform = Matrix4F.Multiply(scale, b);
Util3D.DrawRect(recXform, freeRect);
Vec3F handle = sv * HandleRatio;
float handleWidth = handle.X / 2;
scale.Scale(handle);
Matrix4F trans = new Matrix4F();
trans.Translation = new Vec3F(axscale.X - handleWidth, 0, 0);
xform = scale * trans * normWorld;
Util3D.RenderFlag = solid;
Util3D.DrawCube(xform, xcolor);
trans.Translation = new Vec3F(0, axscale.Y - handleWidth, 0);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, ycolor);
trans.Translation = new Vec3F(0, 0, axscale.Z - handleWidth);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, Zcolor);
}
