public static void ApplyUnitTransform(EffectMatrixVariable variable, LayerSettings settings, ObjectLayerSettings obj)
{
if (obj.Geometry != null)
{
if (obj.Geometry.HasBoundingBox)
{
Vector3 scale = obj.Geometry.BoundingBox.Maximum - obj.Geometry.BoundingBox.Minimum;
scale.X = scale.X != 0.0f ? 1.0f / scale.X : 1.0f;
scale.Y = scale.Y != 0.0f ? 1.0f / scale.Y : 1.0f;
scale.Z = scale.Z != 0.0f ? 1.0f / scale.Z : 1.0f;
Matrix m = Matrix.Scaling(scale);
variable.SetMatrix(m);
return;
}
}
variable.SetMatrix(Matrix.Identity);
}
public static void ApplyBoundingScale(EffectVectorVariable variable, LayerSettings settings, ObjectLayerSettings obj)
{
if (obj.Geometry != null)
{
if (obj.Geometry.HasBoundingBox)
{
variable.Set(obj.Geometry.BoundingBox.Maximum - obj.Geometry.BoundingBox.Minimum);
return;
}
}
variable.Set(new Vector3(1, 1, 1));
}
public static void ApplyDrawIndexFloat(EffectScalarVariable variable, LayerSettings settings, ObjectLayerSettings obj)
{
variable.Set((float)obj.DrawCallIndex);
}
public static void ApplyWorldViewProjection(EffectMatrixVariable variable, IViewProjectionSettings settings, ObjectLayerSettings obj)
{
variable.SetMatrix(obj.WorldTransform * settings.ViewProjection);
}
public static void ApplyWorldInverseTranspose(EffectMatrixVariable variable, IViewProjectionSettings settings, ObjectLayerSettings obj)
{
variable.SetMatrix(Matrix.Transpose(Matrix.Invert(obj.WorldTransform)));
}
public static void ApplySDFTransform(EffectMatrixVariable variable, LayerSettings settings, ObjectLayerSettings obj)
{
if (obj.Geometry != null)
{
if (obj.Geometry.HasBoundingBox)
{
Vector3 min = obj.Geometry.BoundingBox.Minimum;
Vector3 scale = obj.Geometry.BoundingBox.Maximum - obj.Geometry.BoundingBox.Minimum;
scale.X = scale.X != 0.0f ? scale.X : 1.0f;
scale.Y = scale.Y != 0.0f ? scale.Y : 1.0f;
scale.Z = scale.Z != 0.0f ? scale.Z : 1.0f;
Matrix m = Matrix.Scaling(scale);
m.M41 = min.X;
m.M42 = min.Y;
m.M43 = min.Z;
variable.SetMatrix(Matrix.Invert(m));
return;
}
}
variable.SetMatrix(Matrix.Identity);
}
