Method GetWorldMatrixForSprite

TombEngine/Renderer/RendererDrawEffect.cpp:1456–1508

	}

	Matrix Renderer::GetWorldMatrixForSprite(const RendererSpriteToDraw& sprite, RenderView& view)
	{
		auto spriteMatrix = Matrix::Identity;
		auto scaleMatrix = Matrix::CreateScale(sprite.Width * sprite.Scale, sprite.Height * sprite.Scale, sprite.Scale);

		auto spritePos = sprite.pos;

		if (sprite.Type == SpriteType::ThreeD)
		{
			ReflectMatrixOptionally(spriteMatrix);
		}
		else
		{
			ReflectVectorOptionally(spritePos);
		}

		switch (sprite.Type)
		{
		case SpriteType::Billboard:
		{
			auto cameraUp = Vector3(view.Camera.View._12, view.Camera.View._22, view.Camera.View._32);
			spriteMatrix = scaleMatrix * Matrix::CreateRotationZ(sprite.Rotation) * Matrix::CreateBillboard(spritePos, Camera.pos.ToVector3(), cameraUp);
		}
		break;

		case SpriteType::CustomBillboard:
		{
			auto rotMatrix = Matrix::CreateRotationY(sprite.Rotation);
			auto quadForward = Vector3(0.0f, 0.0f, 1.0f);
			spriteMatrix = scaleMatrix * Matrix::CreateConstrainedBillboard(
				spritePos,
				Camera.pos.ToVector3(),
				sprite.ConstrainAxis,
				nullptr,
				&quadForward);
		}
		break;

		case SpriteType::LookAtBillboard:
		{
			auto translationMatrix = Matrix::CreateTranslation(spritePos);
			auto rotMatrix = Matrix::CreateRotationZ(sprite.Rotation) * Matrix::CreateLookAt(Vector3::Zero, sprite.LookAtAxis, Vector3::UnitZ);
			spriteMatrix = scaleMatrix * rotMatrix * translationMatrix;
		}
		break;

		case SpriteType::ThreeD:
		default:
			break;
		}

		return spriteMatrix;
	}

	void Renderer::DrawEffect(RenderView& view, RendererEffect* effect, RendererPass rendererPass)
	{