public override void Render(object opaqueContext, ViewControl vc)
{
Matrix4F normWorld = GetManipulatorMatrix();
if (normWorld == null)
{
return;
}
var context = opaqueContext as GUILayer.SimpleRenderingContext;
if (context == null)
{
return;
}
Vec3F pos = normWorld.Translation;
float s = Util.CalcAxisScale(vc.Camera, pos, AxisLength, vc.Height);
bool highlight = m_hitRegion == HitRegion.XYSquare;
Color centerCubeColor = highlight ? Color.Gold : Color.White;
Vec3F sv = new Vec3F(s, s, s);
Vec3F centerCubeScale = sv * CenterCubeSize;
Matrix4F scale = new Matrix4F();
scale.Scale(centerCubeScale);
Matrix4F centerCubeXform = scale * normWorld;
Util3D.DrawCube(context, centerCubeXform, centerCubeColor);
Matrix4F arrowScale = new Matrix4F();
arrowScale.Scale(0.75f);
Util3D.DrawArrowCap(
context,
arrowScale * Matrix4F.CreateTranslation(new Vec3F(1.0f, 0.0f, -0.5f)) * centerCubeXform,
highlight ? Color.Gold : Color.Red);
Util3D.DrawArrowCap(
context,
arrowScale * Matrix4F.RotAxisRH(Vec3F.ZAxis, Math.PI) * Matrix4F.CreateTranslation(new Vec3F(-1.0f, 0.0f, -0.5f)) * centerCubeXform,
highlight ? Color.Gold : Color.Red);
Util3D.DrawArrowCap(
context,
arrowScale * Matrix4F.RotAxisRH(Vec3F.ZAxis, .5 * Math.PI) * Matrix4F.CreateTranslation(new Vec3F(0.0f, 1.0f, -0.5f)) * centerCubeXform,
highlight ? Color.Gold : Color.Green);
Util3D.DrawArrowCap(
context,
arrowScale * Matrix4F.RotAxisRH(Vec3F.ZAxis, 1.5f * Math.PI) * Matrix4F.CreateTranslation(new Vec3F(0.0f, -1.0f, -0.5f)) * centerCubeXform,
highlight ? Color.Gold : Color.Green);
}
/// <summary>
/// Handles mouse-move events</summary>
/// <param name="sender">Control that raised original event</param>
/// <param name="e">Event args</param>
/// <returns>true, if controller handled the event</returns>
public override bool MouseMove(object sender, MouseEventArgs e)
{
if (m_dragging &&
InputScheme.ActiveControlScheme.IsControllingCamera(Control.ModifierKeys, e))
{
float dx = (float)(e.X - m_lastMousePoint.X) / 150.0f;
float dy = (float)(e.Y - m_lastMousePoint.Y) / 150.0f;
if (InputScheme.ActiveControlScheme.IsElevating(Control.ModifierKeys, e))
{
// move camera up/down
Vec3F p = Camera.Eye;
p.Y += (dy < 0) ? m_scale : -m_scale;
Camera.Set(p);
}
else if (InputScheme.ActiveControlScheme.IsTurning(Control.ModifierKeys, e))
{
// pitch and yaw camera
Matrix4F mat = Matrix4F.RotAxisRH(Camera.Right, -dy); // pitch along camera right
Matrix4F yaw = new Matrix4F();
yaw.RotY(-dx);
mat.Mul(yaw, mat);
Vec3F lookAt = Camera.LookAt;
Vec3F up = Camera.Up;
mat.Transform(ref lookAt);
mat.Transform(ref up);
Vec3F position = Camera.Eye;
float d = Camera.DistanceFromLookAt;
Camera.Set(position, position + lookAt * d, up);
}
m_lastMousePoint = e.Location;
return(true);
}
return(base.MouseMove(sender, e));
}
