/// <summary>
/// Align texture to extends for a given face
/// </summary>
/// <param name="extends"></param>
/// <param name="face"></param>
/// <param name="justifyType"></param>
public void AlignTextureToExtendsForFace(AABB extends, SolidFace face,
TextureProperties.JustifyType justifyType)
{
if (face.TextureMapping.TextureLocked)
{
return;
}
// get projected min/max
float projMinU = Vector3.Dot(extends.Min, face.TextureMapping.UAxis) / face.TextureMapping.UScale;
float projMinV = Vector3.Dot(extends.Min, face.TextureMapping.VAxis) / face.TextureMapping.VScale;
float projMaxU = Vector3.Dot(extends.Max, face.TextureMapping.UAxis) / face.TextureMapping.UScale;
float projMaxV = Vector3.Dot(extends.Max, face.TextureMapping.VAxis) / face.TextureMapping.VScale;
// check if V axis is 90 degrees lockwise of U axis
if (face.TextureMapping.VAxis.SignedAngleTo(face.TextureMapping.UAxis, face.Normal) < 0)
{
float temp = projMinU;
projMinU = projMaxU;
projMaxU = temp;
}
switch (justifyType)
{
case TextureProperties.JustifyType.Top:
face.TextureMapping.VShift = -projMaxV + face.Texture.Height;
break;
case TextureProperties.JustifyType.Bottom:
face.TextureMapping.VShift = -projMinV;
break;
case TextureProperties.JustifyType.Left:
face.TextureMapping.UShift = -projMinU;
break;
case TextureProperties.JustifyType.Right:
face.TextureMapping.UShift = -projMaxU + face.Texture.Width;
break;
case TextureProperties.JustifyType.Center:
float deltaU = (projMinU + projMaxU) / 2;
float deltaV = (projMinV + projMaxV) / 2;
face.TextureMapping.UShift = -deltaU + face.Texture.Width / 2f;
face.TextureMapping.VShift = -deltaV + face.Texture.Height / 2f;
break;
}
}
private void OnTexturePropertiesJustifyClicked(TextureProperties textureProperties, TextureProperties.JustifyType justifyType)
{
if (CurrentSolidManipulationMode == SolidManipulationMode.Vertex)
{
return;
}
// collect solid and group map objects
CustomOperation setSolidPropertiesOperation = new CustomOperation();
setSolidPropertiesOperation.OnMapObjectGroup = group =>
group.MapObjectList.ForEach(m => m.PerformOperation(setSolidPropertiesOperation));
AABB extends = new AABB();
// create extends for all selected faces if treat as one is true
if (textureProperties.TreatAsOne)
{
CustomOperation createExtendsOperation = new CustomOperation();
createExtendsOperation.OnMapObjectGroup = group =>
group.MapObjectList.ForEach(m => m.PerformOperation(createExtendsOperation));
createExtendsOperation.OnSolid = solid =>
{
solid.Faces.Where(f => f.Selected).ToList()
.ForEach(face =>
{
IEnumerable <Vector3> points = solid.GetVerticesForFace(face).Select(v => v.Position);
extends.Grow(points);
});
};
Selection.PerformOperation(createExtendsOperation);
}
setSolidPropertiesOperation.OnSolid = solid =>
{
solid.Faces.Where(f => f.Selected).ToList().ForEach(face =>
{
// create extends for this face if Treat as one is false
if (!textureProperties.TreatAsOne)
{
extends.Reset();
extends.Grow(solid.GetVerticesForFace(face).Select(v => v.Position));
}
switch (justifyType)
{
case TextureProperties.JustifyType.Fit:
solid.FitTextureToExtendsForFace(extends, face);
break;
case TextureProperties.JustifyType.Top:
case TextureProperties.JustifyType.Bottom:
case TextureProperties.JustifyType.Left:
case TextureProperties.JustifyType.Right:
case TextureProperties.JustifyType.Center:
solid.AlignTextureToExtendsForFace(extends, face, justifyType);
break;
}
solid.CalculateTextureCoordinatesForFace(face, true);
});
};
Selection.PerformOperation(setSolidPropertiesOperation);
SceneDocument.IsDirty = true;
UpdateUserInterface();
RenderViewports();
}