コード例 #1
0
ファイル: Demo02_Mesh.cpp プロジェクト: MSoft1115/Rad3D
	virtual void OnUpdate()
	{
		Quat q;
		q.FromAxis(Float3(0, 1, 0), 0.5f * Root::Instance()->GetFrameTime());
		
		gMesh->Rotate(q);
	}
コード例 #2
0
ファイル: PSBillboard.cpp プロジェクト: MSoft1115/Rad3D
	void PS_Billboard::_updateBuffer()
	{
		mRenderOp.primCount = mParent->GetParticleCount() * 2;
		if (mRenderOp.primCount == 0)
			return ;

		Camera * pCamera = World::Instance()->GetCurrentRenderContext()->GetCamera();
		const Quat & worldQ = mParent->GetParent()->GetWorldRotation();
		Mat4 worldTM;
		
		if (mParent->IsScaleAble())
			worldTM = mParent->GetParent()->GetWorldTM();
		else
			worldTM.MakeTransform(mParent->GetParent()->GetWorldPosition(), worldQ, Float3(1, 1, 1));

		pCamera->GetWorldRotation().ToAxis(mCamXAxis, mCamYAxis, mCamZAxis);
		mCamPos = pCamera->GetWorldPosition();

		mCommonDir = mParent->GetCommonDirection();
		mCommonUp = mParent->GetCommonUpVector();

		if (mParent->GetBillboardType() == PS_BillboardType::PERPENDICULAR ||
			mParent->GetBillboardType() == PS_BillboardType::PERPENDICULAR_COMMON)
		{
			mCommonDir.TransformQ(worldQ);
			mCommonUp.TransformQ(worldQ);
		}

		float width, height, asecpt = 1;
		Float3 xAxis, yAxis;
		Float3 pos, dir;
		const Float2 & center = mParent->GetBillboardCenter();

		if (mParent->IsKeepAspect())
			asecpt = mParent->_getTexture()->_getAscept();
		
		PS_Vertex * v = (PS_Vertex *)mRenderOp.vertexBuffers[0]->Lock(eLockFlag::WRITE);
		for (int i = 0; i < mParent->GetParticleCount(); ++i)
		{
			const Particle * p = mParent->GetParticle(i);

			height = Max(0.0f, p->Size.y);
			if (!mParent->IsKeepAspect())
				width = Max(0.0f, p->Size.x);
			else
				width = height * asecpt;

			pos = p->Position;
			dir = p->Direction;

			if (mParent->IsLocalSpace())
			{
				pos.TransformA(worldTM);
				dir.TransformQ(mParent->GetParent()->GetWorldRotation());
			}

			_getBillboardXYAxis(xAxis, yAxis, pos, dir);

			if (p->Rotation.x != 0)
			{
				Quat q;
				q.FromAxis(Float3::Cross(xAxis, yAxis), Math::DegreeToRadian(p->Rotation.x));

				xAxis.TransformQ(q);
				yAxis.TransformQ(q);
			}

			xAxis *= width, yAxis *= height;

			v->position = pos - xAxis * center.x + yAxis * center.y;
			v->color = p->Color;
			v->uv.x = p->UVRect.x1, v->uv.y = p->UVRect.y1;
			++v;

			v->position = pos + xAxis * (1 - center.x) + yAxis * center.y;
			v->color = p->Color;
			v->uv.x = p->UVRect.x2, v->uv.y = p->UVRect.y1;
			++v;

			v->position = pos - xAxis * center.x - yAxis * (1 - center.y);
			v->color = p->Color;
			v->uv.x = p->UVRect.x1, v->uv.y = p->UVRect.y2;
			++v;

			v->position = pos + xAxis * (1 - center.x) - yAxis * (1 - center.y);
			v->color = p->Color;
			v->uv.x = p->UVRect.x2, v->uv.y = p->UVRect.y2;
			++v;
		}
		mRenderOp.vertexBuffers[0]->Unlock();
	}