C++ (Cpp) CCVector3::sub示例

示例#1

文件： CCCameraBase.cpp 项目： Geek365/PhoneWarsDemo

const CCVector3 CCCameraBase::getDirection()
{
    CCVector3 direction = lookAt;
    direction.sub( rotatedPosition );
    CCVector3Normalize( direction );
    return direction;
}

示例#2

文件： CCTile3D.cpp 项目： Orange-OpenSource/2c

void CCTile3D::setPositionXYZ(const float x, const float y, const float z)
{
    if( position.x != x || position.y != y || position.z != z )
    {
        CCVector3 distance = position;
        super::setPositionXYZ( x, y, z );
        distance.sub( position );

        for( int i=0; i<attachments.length; ++i )
        {
            CCSceneObject *attachment = attachments.list[i];
            attachment->translate( -distance.x, -distance.y, -distance.z );
        }

        CCOctreeRefreshObject( this );
    }
}

示例#3

文件： CCCollisionTools.cpp 项目： Orange-OpenSource/2c

static bool lineCheckGetIntersection(const float dist1, const float dist2, const CCVector3 &point1, const CCVector3 &point2, CCVector3 &hitLocation) 
{
	if( ( dist1 * dist2 ) >= 0.0f )
	{
		return false;
	}
	
	if( dist1 == dist2 )
	{ 
		return false;
	}
	
    // point1 + ( point2 - point1 ) * ( -dst1 / ( dst2 - dst1 ) );
    hitLocation = point2;
    hitLocation.sub( point1 );
    hitLocation.mul( -dist1 / ( dist2 - dist1 ) );
    hitLocation.add( point1 );
	
	return true;
}