C++ (Cpp) MatrixBuildScale Examples

Example #1

File: lvmatrix.cpp Project: WorldGamers/Mobile-Forces-Source

static int vmatrix_MatrixBuildScale (lua_State *L) {
  switch(lua_type(L, 2)) {
	case LUA_TNUMBER:
	default:
	  MatrixBuildScale(luaL_checkvmatrix(L, 1), luaL_checknumber(L, 2), luaL_checknumber(L, 3), luaL_checknumber(L, 4));
	  break;
	case LUA_TUSERDATA:
      if (luaL_checkudata(L, 2, "Vector"))
	    MatrixBuildScale(luaL_checkvmatrix(L, 1), luaL_checkvector(L, 2));
	  else
	    luaL_typerror(L, 2, "Vector");
	  break;
  }
  return 0;
}

Example #2

File: tf_weapon_sniperrifle.cpp Project: staticfox/TF2Classic

void CProxySniperRifleCharge::OnBind( void *pC_BaseEntity )
{
	Assert( m_pResult );

	C_TFPlayer *pPlayer = C_TFPlayer::GetLocalTFPlayer();

	if ( GetSpectatorTarget() != 0 && GetSpectatorMode() == OBS_MODE_IN_EYE )
	{
		pPlayer = (C_TFPlayer *)UTIL_PlayerByIndex( GetSpectatorTarget() );
	}

	if ( pPlayer )
	{
		CTFSniperRifle *pWeapon = assert_cast<CTFSniperRifle*>(pPlayer->GetActiveTFWeapon());
		if ( pWeapon )
		{
			float flChargeValue = ( ( 1.0 - pWeapon->GetHUDDamagePerc() ) * 0.8 ) + 0.6;

			VMatrix mat, temp;

			Vector2D center( 0.5, 0.5 );
			MatrixBuildTranslation( mat, -center.x, -center.y, 0.0f );

			// scale
			{
				Vector2D scale( 1.0f, 0.25f );
				MatrixBuildScale( temp, scale.x, scale.y, 1.0f );
				MatrixMultiply( temp, mat, mat );
			}

			MatrixBuildTranslation( temp, center.x, center.y, 0.0f );
			MatrixMultiply( temp, mat, mat );

			// translation
			{
				Vector2D translation( 0.0f, flChargeValue );
				MatrixBuildTranslation( temp, translation.x, translation.y, 0.0f );
				MatrixMultiply( temp, mat, mat );
			}

			m_pResult->SetMatrixValue( mat );
		}
	}

	if ( ToolsEnabled() )
	{
		ToolFramework_RecordMaterialParams( GetMaterial() );
	}
}

Example #3

File: matrixproxy.cpp Project: GOGIBERRY/source-sdk-2013

void CTextureTransformProxy::OnBind( void *pC_BaseEntity )
{
    Vector2D center( 0.5, 0.5 );
    Vector2D translation( 0, 0 );

    VMatrix mat, temp;

    if (m_pCenterVar)
    {
        m_pCenterVar->GetVecValue( center.Base(), 2 );
    }
    MatrixBuildTranslation( mat, -center.x, -center.y, 0.0f );

    if (m_pScaleVar)
    {
        Vector2D scale;
        m_pScaleVar->GetVecValue( scale.Base(), 2 );
        MatrixBuildScale( temp, scale.x, scale.y, 1.0f );
        MatrixMultiply( temp, mat, mat );
    }

    if (m_pRotateVar)
    {
        float angle = m_pRotateVar->GetFloatValue( );
        MatrixBuildRotateZ( temp, angle );
        MatrixMultiply( temp, mat, mat );
    }
    MatrixBuildTranslation( temp, center.x, center.y, 0.0f );
    MatrixMultiply( temp, mat, mat );

    if (m_pTranslateVar)
    {
        m_pTranslateVar->GetVecValue( translation.Base(), 2 );
        MatrixBuildTranslation( temp, translation.x, translation.y, 0.0f );
        MatrixMultiply( temp, mat, mat );
    }

    m_pResult->SetMatrixValue( mat );

    if ( ToolsEnabled() )
    {
        ToolFramework_RecordMaterialParams( GetMaterial() );
    }
}

Example #4

File: CMaterialSubRect.cpp Project: DeadZoneLuna/SourceEngine2007

//-----------------------------------------------------------------------------
// Creates a vector material var
//-----------------------------------------------------------------------------
static IMaterialVar* CreateMatrixMaterialVarFromKeyValue( IMaterial* pMaterial, KeyValues* pKeyValue )
{
	char const* pScan = pKeyValue->GetString();

	// Matrices can be specified one of two ways:
	// [ # # # #  # # # #  # # # #  # # # # ]
	// or
	// center # # scale # # rotate # translate # #

	VMatrix mat;
	int count = sscanf( pScan, " [ %f %f %f %f  %f %f %f %f  %f %f %f %f  %f %f %f %f ]",
		&mat.m[0][0], &mat.m[0][1], &mat.m[0][2], &mat.m[0][3],
		&mat.m[1][0], &mat.m[1][1], &mat.m[1][2], &mat.m[1][3],
		&mat.m[2][0], &mat.m[2][1], &mat.m[2][2], &mat.m[2][3],
		&mat.m[3][0], &mat.m[3][1], &mat.m[3][2], &mat.m[3][3] );
	if (count == 16)
	{
		return IMaterialVar::Create( pMaterial, pKeyValue->GetName(), mat );
	}

	Vector2D scale, center;
	float angle;
	Vector2D translation;
	count = sscanf( pScan, " center %f %f scale %f %f rotate %f translate %f %f",
		&center.x, &center.y, &scale.x, &scale.y, &angle, &translation.x, &translation.y );
	if (count != 7)
		return NULL;

	VMatrix temp;
	MatrixBuildTranslation( mat, -center.x, -center.y, 0.0f );
	MatrixBuildScale( temp, scale.x, scale.y, 1.0f );
	MatrixMultiply( temp, mat, mat );
	MatrixBuildRotateZ( temp, angle );
	MatrixMultiply( temp, mat, mat );
	MatrixBuildTranslation( temp, center.x + translation.x, center.y + translation.y, 0.0f );
	MatrixMultiply( temp, mat, mat );

	// Create the variable!
	return IMaterialVar::Create( pMaterial, pKeyValue->GetName(), mat );
}

Example #5

File: vmatrix.cpp Project: RaisingTheDerp/raisingthebar

void MatrixBuildScale( VMatrix &dst, const Vector& scale )
{
	MatrixBuildScale( dst, scale.x, scale.y, scale.z );
}