// For the time being, source rects for 3D sprites aren't supported (in order to simplify the rendering
// process). This might be fine, even if source rects are never added.
public Sprite3D(QuadSource source, Alignments alignment = Alignments.Center)
{
Source = source;
origin = Utilities.ComputeOrigin(source.Width, source.Height, alignment) -
new ivec2(source.Width, source.Height) / 2;
Scale = vec2.Ones;
Orientation = quat.Identity;
Color = Color.White;
IsShadowCaster = true;
}
public Sprite3D(QuadSource source, SourceRect sourceRect, ivec2 origin) :
this(source, sourceRect, Alignments.Custom)
{
int w;
int h;
if (sourceRect.Width > 0)
{
w = sourceRect.Width;
h = sourceRect.Height;
}
else
{
w = source.Width;
h = source.Height;
}
correction = origin - new vec2(w, h) / 2;
}
public Sprite3D(QuadSource source, SourceRect sourceRect, Alignments alignment = Alignments.Center)
{
Source = source;
SourceRect = sourceRect;
int w;
int h;
if (sourceRect.Width > 0)
{
w = sourceRect.Width;
h = sourceRect.Height;
}
else
{
w = source.Width;
h = source.Height;
}
if (alignment != Alignments.Custom)
{
bool left = (alignment & Alignments.Left) > 0;
bool right = (alignment & Alignments.Right) > 0;
bool top = (alignment & Alignments.Top) > 0;
bool bottom = (alignment & Alignments.Bottom) > 0;
var x = left ? 0 : (right ? w : w / 2f);
var y = top ? 0 : (bottom ? h : h / 2f);
correction = new vec2(x, y) - new vec2(w, h) / 2;
}
var flags = new Flags <TransformFlags>(TransformFlags.None);
IsDrawEnabled = true;
IsShadowCaster = true;
positionField = new RenderPosition3DField(flags);
scaleField = new RenderScale2DField(flags);
scaleField.SetValue(new vec2(w, h) / PixelDivisor, false);
orientationField = new RenderOrientationField(flags);
colorField = new RenderColorField(flags);
}
public Sprite3D(QuadSource source, Alignments alignment = Alignments.Center) :
this(source, new SourceRect(), alignment)
{
}
