private void MeshViewerToDrawWith_Draw(object drawingWidget, DrawEventArgs drawEvent)
{
if (Visible)
{
if (drawEvent != null)
{
Vector2 startLineGroundPos = Vector2.Zero;
Vector2 startLineSelectionPos = Vector2.Zero;
Vector2 midLinePos = Vector2.Zero;
if (MeshViewerToDrawWith.HaveSelection)
{
// draw the hight from the bottom to the bed
AxisAlignedBoundingBox selectedBounds = MeshViewerToDrawWith.GetBoundsForSelection();
Vector2 screenPosition = new Vector2(-100, 0);
Vector3[] bottomPoints = new Vector3[4];
bottomPoints[0] = new Vector3(selectedBounds.minXYZ.x, selectedBounds.minXYZ.y, selectedBounds.minXYZ.z);
bottomPoints[1] = new Vector3(selectedBounds.minXYZ.x, selectedBounds.maxXYZ.y, selectedBounds.minXYZ.z);
bottomPoints[2] = new Vector3(selectedBounds.maxXYZ.x, selectedBounds.minXYZ.y, selectedBounds.minXYZ.z);
bottomPoints[3] = new Vector3(selectedBounds.maxXYZ.x, selectedBounds.maxXYZ.y, selectedBounds.minXYZ.z);
for (int i = 0; i < 4; i++)
{
Vector2 testScreenPosition = MeshViewerToDrawWith.TrackballTumbleWidget.GetScreenPosition(bottomPoints[i]);
if (testScreenPosition.x > screenPosition.x)
{
startLineSelectionPos = testScreenPosition;
startLineGroundPos = MeshViewerToDrawWith.TrackballTumbleWidget.GetScreenPosition(bottomPoints[i] + new Vector3(0, 0, -bottomPoints[i].z));
midLinePos = MeshViewerToDrawWith.TrackballTumbleWidget.GetScreenPosition(bottomPoints[i] + new Vector3(0, 0, -bottomPoints[i].z / 2));
screenPosition = testScreenPosition + new Vector2(HorizontalLineLength, 0);
}
}
heightValueDisplayInfo.DisplaySizeInfo(drawEvent.graphics2D, midLinePos, selectedBounds.minXYZ.z);
OriginRelativeParent = screenPosition;
// draw the line that is on the ground
double yGround = Math.Round(startLineGroundPos.y) + .5;
drawEvent.graphics2D.Line(startLineGroundPos.x, yGround, startLineGroundPos.x + HorizontalLineLength - 5, yGround, RGBA_Bytes.Black);
// and the line that is at the base of the selection
double ySelection = Math.Round(startLineSelectionPos.y) + .5;
drawEvent.graphics2D.Line(startLineSelectionPos.x, ySelection, startLineSelectionPos.x + HorizontalLineLength - 5, ySelection, RGBA_Bytes.Black);
// draw the vertical line that shows the measurement
Vector2 pointerBottom = new Vector2(startLineGroundPos.x + HorizontalLineLength / 2, yGround);
Vector2 pointerTop = new Vector2(startLineSelectionPos.x + HorizontalLineLength / 2, ySelection);
InteractionVolume.DrawMeasureLine(drawEvent.graphics2D, pointerBottom, pointerTop, RGBA_Bytes.Black, InteractionVolume.LineArrows.End);
}
}
}
}
private void MeshViewerToDrawWith_Draw(GuiWidget drawingWidget, DrawEventArgs drawEvent)
{
if (Visible)
{
if (drawEvent != null)
{
// draw the line that is on the ground
double yGround = (int)(startLineGroundPos.y + .5) + .5;
drawEvent.graphics2D.Line(startLineGroundPos.x, yGround, startLineGroundPos.x + HorizontalLineLength - 5, yGround, RGBA_Bytes.Black);
// and the line that is at the base of the selection
double ySelection = (int)(startLineSelectionPos.y + .5) + .5;
drawEvent.graphics2D.Line(startLineSelectionPos.x, ySelection, startLineSelectionPos.x + HorizontalLineLength - 5, ySelection, RGBA_Bytes.Black);
// draw the verticle line that shows the measurment
Vector2 pointerBottom = new Vector2(startLineGroundPos.x + HorizontalLineLength / 2, yGround);
Vector2 pointerTop = new Vector2(startLineSelectionPos.x + HorizontalLineLength / 2, ySelection);
InteractionVolume.DrawMeasureLine(drawEvent.graphics2D, pointerBottom, pointerTop, RGBA_Bytes.Black, InteractionVolume.LineArrows.End);
}
}
}