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C++ VRMenuObject::RegenerateSurfaceGeometry方法代码示例

本文整理汇总了C++中VRMenuObject::RegenerateSurfaceGeometry方法的典型用法代码示例。如果您正苦于以下问题:C++ VRMenuObject::RegenerateSurfaceGeometry方法的具体用法?C++ VRMenuObject::RegenerateSurfaceGeometry怎么用?C++ VRMenuObject::RegenerateSurfaceGeometry使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在VRMenuObject的用法示例。


在下文中一共展示了VRMenuObject::RegenerateSurfaceGeometry方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: UpdateScrollBar

void OvrScrollBarComponent::UpdateScrollBar( OvrVRMenuMgr & menuMgr, VRMenuObject * self, const int numElements )
{
	NumOfItems = numElements;

	if ( IsVertical )
	{
		ScrollBarCurrentbaseLength = ScrollBarBaseHeight;
	}
	else
	{
		ScrollBarCurrentbaseLength = ScrollBarBaseWidth;
	}

	ScrollBarCurrentThumbLength = ScrollBarCurrentbaseLength / NumOfItems;
	ScrollBarCurrentThumbLength =  ( ScrollBarCurrentThumbLength < BASE_THUMB_WIDTH ) ? BASE_THUMB_WIDTH : ScrollBarCurrentThumbLength;

	if ( IsVertical )
	{
		ScrollBarThumbHeight = ScrollBarCurrentThumbLength;
	}
	else
	{
		ScrollBarThumbWidth = ScrollBarCurrentThumbLength;
	}

	VRMenuObject * thumb = menuMgr.ToObject( self->ChildHandleForId( menuMgr, ScrollBarThumbId ) );
	if ( thumb != NULL && NumOfItems > 0 )
	{
		thumb->SetSurfaceDims( 0, Vector2f( ScrollBarThumbWidth, ScrollBarThumbHeight ) );
		thumb->RegenerateSurfaceGeometry( 0, false );
	}

	VRMenuObject * base = menuMgr.ToObject( self->ChildHandleForId( menuMgr, ScrollBarBaseId ) );
	if ( thumb != NULL )
	{
		base->SetSurfaceDims( 0, Vector2f( ScrollBarBaseWidth, ScrollBarBaseHeight ) );
		base->RegenerateSurfaceGeometry( 0, false );
	}
}
开发者ID:8BitRick,项目名称:GearVRNative,代码行数:39,代码来源:ScrollBarComponent.cpp

示例2: SetScrollFrac

void OvrScrollBarComponent::SetScrollFrac( OvrVRMenuMgr & menuMgr, VRMenuObject * self, const float pos )
{
	if ( NumOfItems <= 0 )
		return;

	// Updating thumb length when pulled beyond its bounds
	const float scrollEnd 			= (float)( NumOfItems - 1 );
	const float outOfBoundsOffset 	= 0.5f;
	const float minThumbLength		= ScrollBarCurrentThumbLength * THUMB_SHRINK_FACTOR;
	const float maxThumbLength		= ScrollBarCurrentThumbLength;
	const float minThumbOffset		= 0.0f;
	const float maxThumbOffset		= ( maxThumbLength - minThumbLength ) * 0.5f;
	float currentThumbLength 		= ScrollBarCurrentThumbLength;
	float thumbPosOffset 			= 0.0f;

	if ( pos < 0.0f )
	{
		currentThumbLength = LinearRangeMapFloat( pos, -outOfBoundsOffset, 0.0f, minThumbLength, maxThumbLength );
		thumbPosOffset = LinearRangeMapFloat( pos, -outOfBoundsOffset, 0.0f, -maxThumbOffset, minThumbOffset );
	}
	else if ( pos > scrollEnd )
	{
		currentThumbLength = LinearRangeMapFloat( pos, scrollEnd + outOfBoundsOffset, scrollEnd, minThumbLength, maxThumbLength );
		thumbPosOffset = LinearRangeMapFloat( pos, scrollEnd + outOfBoundsOffset, scrollEnd, maxThumbOffset, minThumbOffset );
	}

	float thumbWidth = ScrollBarThumbWidth;
	float thumbHeight = ScrollBarThumbHeight;

	if ( IsVertical )
	{
		thumbHeight = currentThumbLength;
	}
	else
	{
		thumbWidth = currentThumbLength;
	}

	VRMenuObject * thumb = menuMgr.ToObject( self->ChildHandleForId( menuMgr, ScrollBarThumbId ) );
	if ( thumb != NULL && NumOfItems > 0 )
	{
		thumb->SetSurfaceDims( 0, Vector2f( thumbWidth, thumbHeight ) );
		thumb->RegenerateSurfaceGeometry( 0, false );
	}

	// Updating thumb position
	float clampedPos = Alg::Clamp( pos, 0.0f, (float)(NumOfItems - 1) );
	float thumbPos = LinearRangeMapFloat( clampedPos, 0.0f, (float)(NumOfItems - 1), 0.0f, ( ScrollBarCurrentbaseLength - currentThumbLength ) );
	thumbPos -= ( ScrollBarCurrentbaseLength - currentThumbLength ) * 0.5f;
	thumbPos += thumbPosOffset;
	thumbPos *= VRMenuObject::DEFAULT_TEXEL_SCALE;

	if ( thumb != NULL  )
	{
		Vector3f direction = RIGHT;
		if ( IsVertical )
		{
			direction = DOWN;
		}
		thumb->SetLocalPosition( ( direction * thumbPos ) - ( FWD * THUMB_FROM_BASE_OFFSET ) );
	}
}
开发者ID:8BitRick,项目名称:GearVRNative,代码行数:62,代码来源:ScrollBarComponent.cpp


注:本文中的VRMenuObject::RegenerateSurfaceGeometry方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。