RectF TextureRegion::draw(const double x, const double y, const ColorF& color0, const ColorF& color1, const ColorF& color2, const ColorF& color3) const
{
Siv3DEngine::GetRenderer2D()->addTextureRegion(
texture,
{ x, y, x + size.x, y + size.y },
uvRect,
{ color0.toFloat4(), color1.toFloat4(), color2.toFloat4(), color3.toFloat4() }
);
return RectF{ x, y, size };
}
RectF TextureRegion::drawAt(const double x, const double y, const ColorF& color0, const ColorF& color1, const ColorF& color2, const ColorF& color3) const
{
const Vec2 sizeHalf = size * 0.5;
Siv3DEngine::GetRenderer2D()->addTextureRegion(
texture,
{ x - sizeHalf.x, y - sizeHalf.y, x + sizeHalf.x, y + sizeHalf.y },
uvRect,
{ color0.toFloat4(), color1.toFloat4(), color2.toFloat4(), color3.toFloat4() }
);
return RectF{ x - sizeHalf.x, y - sizeHalf.y, size };
}
RectF TextureRegion::draw(const double x, const double y, const ColorF& diffuse) const
{
Siv3DEngine::GetRenderer2D()->addTextureRegion(
texture,
{ x, y, x + size.x, y + size.y },
uvRect,
diffuse.toFloat4()
);
return RectF{ x, y, size };
}
RectF TextureRegion::drawAt(const double x, const double y, const ColorF& diffuse) const
{
const Vec2 sizeHalf = size * 0.5;
Siv3DEngine::GetRenderer2D()->addTextureRegion(
texture,
{ x - sizeHalf.x, y - sizeHalf.y, x + sizeHalf.x, y + sizeHalf.y },
uvRect,
diffuse.toFloat4()
);
return RectF{ x - sizeHalf.x, y - sizeHalf.y, size };
}
RectF TextureRegion::drawClipped(const double x, const double y, const RectF& clipRect, const ColorF& diffuse) const
{
const double clipRight = clipRect.x + clipRect.w;
const double clipBottom = clipRect.y + clipRect.h;
const double left = std::max(x, clipRect.x);
const double right = std::min(x + size.x, clipRight);
const double top = std::max(y, clipRect.y);
const double bottom = std::min(y + size.y, clipBottom);
if (clipRight <= left
|| right <= clipRect.x
|| clipBottom <= top
|| bottom <= clipRect.y)
{
return RectF(left, top, 0, 0);
}
const float xLeftTrimmed = static_cast<float>(left - x);
const float xRightTrimmed = static_cast<float>((x + size.x) - right);
const float yTopTrimmed = static_cast<float>(top - y);
const float yBottomTrimmed = static_cast<float>((y + size.y) - bottom);
const float uLeftTrimmed = xLeftTrimmed / size.x * (uvRect.right - uvRect.left);
const float uRightTrimmed = xRightTrimmed / size.x * (uvRect.right - uvRect.left);
const float vTopTrimmed = yTopTrimmed / size.y * (uvRect.bottom - uvRect.top);
const float vBottomTrimmed = yBottomTrimmed / size.y * (uvRect.bottom - uvRect.top);
Siv3DEngine::GetRenderer2D()->addTextureRegion(
texture,
FloatRect(left, top, right, bottom),
FloatRect(uvRect.left + uLeftTrimmed, uvRect.top + vTopTrimmed, uvRect.right - uRightTrimmed, uvRect.bottom - vBottomTrimmed),
diffuse.toFloat4()
);
return RectF(left, top, right - left, bottom - top);
}
