// override visit.
// Don't call visit on it's children
void CCParticleBatchNode::visit()
{
// CAREFUL:
// This visit is almost identical to CCNode#visit
// with the exception that it doesn't call visit on it's children
//
// The alternative is to have a void CCSprite#visit, but
// although this is less maintainable, is faster
//
if (!m_bVisible)
{
return;
}
kmGLPushMatrix();
if ( m_pGrid && m_pGrid->isActive())
{
m_pGrid->beforeDraw();
transformAncestors();
}
transform();
draw();
if ( m_pGrid && m_pGrid->isActive())
{
m_pGrid->afterDraw(this);
}
kmGLPopMatrix();
}
void CCRenderTexture::visit()
{
// override visit.
// Don't call visit on its children
if (!m_bVisible)
{
return;
}
kmGLPushMatrix();
if (m_pGrid && m_pGrid->isActive())
{
m_pGrid->beforeDraw();
transformAncestors();
}
transform();
m_pSprite->visit();
draw();
if (m_pGrid && m_pGrid->isActive())
{
m_pGrid->afterDraw(this);
}
kmGLPopMatrix();
m_uOrderOfArrival = 0;
}
void wySpriteBatchNode::visit() {
if(!m_visible)
return;
// should push matrix to avoid disturb current matrix
glPushMatrix();
// if grid is set, prepare grid
if(m_grid != NULL && m_grid->isActive()) {
m_grid->beforeDraw();
transformAncestors();
}
// transform for myself
transform();
// check clip
if(m_hasClip)
doClip();
// draw self
draw();
// restore
if(m_hasClip)
glDisable(GL_SCISSOR_TEST);
// if grid is set, end grid
if(m_grid != NULL && m_grid->isActive()) {
m_grid->afterDraw(this);
}
// pop matrix
glPopMatrix();
}
void RenderTexture::visit()
{
// override visit.
// Don't call visit on its children
if (!_visible)
{
return;
}
kmGLPushMatrix();
if (_grid && _grid->isActive())
{
_grid->beforeDraw();
transformAncestors();
}
transform();
_sprite->visit();
draw();
updateEventPriorityIndex();
if (_grid && _grid->isActive())
{
_grid->afterDraw(this);
}
kmGLPopMatrix();
_orderOfArrival = 0;
}
void IsometryNode::visit()
{
//setPosition(CCPointMake(0, 500));
//CCNode::visit();
//Stats();
if(getShaderProgram() == nullptr)
{
setShaderProgram(CCShaderCache::sharedShaderCache()->programForKey(kCCShader_PositionTextureColor));
}
CC_PROFILER_START_CATEGORY(kCCProfilerCategoryBatchSprite, "CCSpriteBatchNode - visit");
// CAREFUL:
// This visit is almost identical to CocosNode#visit
// with the exception that it doesn't call visit on it's children
//
// The alternative is to have a void CCSprite#visit, but
// although this is less maintainable, is faster
//
if (! m_bVisible)
{
return;
}
kmGLPushMatrix();
if (m_pGrid && m_pGrid->isActive())
{
m_pGrid->beforeDraw();
transformAncestors();
}
sortAllChildren();
transform();
draw();
if (m_pGrid && m_pGrid->isActive())
{
m_pGrid->afterDraw(this);
}
kmGLPopMatrix();
setOrderOfArrival(0);
CC_PROFILER_STOP_CATEGORY(kCCProfilerCategoryBatchSprite, "CCSpriteBatchNode - visit");
}
// override visit
// don't call visit on it's children
// 是基类CCNode虚函数，是每帧会被调用到的函数。
void CCSpriteBatchNode::visit(void)
{
CC_PROFILER_START_CATEGORY(kCCProfilerCategoryBatchSprite, "CCSpriteBatchNode - visit");
// CAREFUL:
// This visit is almost identical to CocosNode#visit
// with the exception that it doesn't call visit on it's children
//
// The alternative is to have a void CCSprite#visit, but
// although this is less maintainable, is faster
//
// 如果不显示，直接返回
if (! m_bVisible)
{
return;
}
//矩阵压栈，保存渲染此结点前的所有OpenGL所需矩阵的值
kmGLPushMatrix();
if (m_pGrid && m_pGrid->isActive())
{
m_pGrid->beforeDraw();
transformAncestors();
}
sortAllChildren();
//矩阵变量
transform();
//基类CCNode虚函数，用于实现当前CCNode的绘制
draw();
if (m_pGrid && m_pGrid->isActive())
{
m_pGrid->afterDraw(this);
}
//矩阵出栈。恢复渲染此结点前的所有OpenGL所需矩阵的值
kmGLPopMatrix();
setOrderOfArrival(0);
CC_PROFILER_STOP_CATEGORY(kCCProfilerCategoryBatchSprite, "CCSpriteBatchNode - visit");
}
// override visit
// don't call visit on it's children
void SpriteBatchNode::visit(void)
{
CC_PROFILER_START_CATEGORY(kProfilerCategoryBatchSprite, "CCSpriteBatchNode - visit");
// CAREFUL:
// This visit is almost identical to CocosNode#visit
// with the exception that it doesn't call visit on it's children
//
// The alternative is to have a void Sprite#visit, but
// although this is less maintainable, is faster
//
if (! _visible)
{
return;
}
kmGLPushMatrix();
if (_grid && _grid->isActive())
{
_grid->beforeDraw();
transformAncestors();
}
sortAllChildren();
transform();
draw();
if (_grid && _grid->isActive())
{
_grid->afterDraw(this);
}
kmGLPopMatrix();
setOrderOfArrival(0);
CC_PROFILER_STOP_CATEGORY(kProfilerCategoryBatchSprite, "CCSpriteBatchNode - visit");
}
virtual void visit() {
/*
* Here we do optimization in drawing scrollable children,
* child whose rect is outside of wyScrollableLayer is skipped
* to improve frame rate
*/
// if not visible
if(!m_visible)
return;
// should push matrix to avoid disturb current matrix
glPushMatrix();
// if grid is set, prepare grid
if(m_grid != NULL && m_grid->isActive()) {
m_grid->beforeDraw();
transformAncestors();
}
// transform for myself
transform();
// check clip
if(m_hasClip)
doClip();
// parent is scrollable layer
wyScrollableLayer* sl = (wyScrollableLayer*)m_parent;
// parent size
float pW = m_parent->getWidth();
float pH = m_parent->getHeight();
// draw children whose z order is less than zero
for(int i = 0; i < m_children->num; i++) {
wyNode* n = (wyNode*)wyArrayGet(m_children, i);
if(n->getZOrder() < 0) {
// get child bound relative to scrollable layer
float w = n->getWidth();
float h = n->getHeight();
float x = n->isRelativeAnchorPoint() ? (n->getPositionX() - w * n->getAnchorX()) : n->getPositionX();
float y = n->isRelativeAnchorPoint() ? (n->getPositionY() - h * n->getAnchorY()) : n->getPositionY();
x += m_positionX;
y += m_positionY;
// check bound, if intersected, visit this child
if(x + w > 0 && pW > x && y + h > 0 && pH > y) {
// set flag so it will be notified when it is invisible
wyUserData& ud = n->getUserData();
ud.b = false;
// visit it
n->visit();
} else {
wyUserData& ud = n->getUserData();
if(!ud.b) {
sl->invokeOnScrollableChildNotVisible(n);
ud.b = true;
}
}
} else
break;
}
// draw self
draw();
// draw children whose z order is larger than zero
for(int i = 0; i < m_children->num; i++) {
wyNode* n = (wyNode*)wyArrayGet(m_children, i);
if(n->getZOrder() >= 0) {
// get child bound relative to scrollable layer
float w = n->getWidth();
float h = n->getHeight();
float x = n->isRelativeAnchorPoint() ? (n->getPositionX() - w * n->getAnchorX()) : n->getPositionX();
float y = n->isRelativeAnchorPoint() ? (n->getPositionY() - h * n->getAnchorY()) : n->getPositionY();
x += m_positionX;
y += m_positionY;
// check bound, if intersected, visit this child
if(x + w > 0 && pW > x && y + h > 0 && pH > y) {
// set flag so it will be notified when it is invisible
wyUserData& ud = n->getUserData();
ud.b = false;
// visit it
n->visit();
} else {
wyUserData& ud = n->getUserData();
if(!ud.b) {
sl->invokeOnScrollableChildNotVisible(n);
ud.b = true;
}
}
}
}
// restore
if(m_hasClip)
glDisable(GL_SCISSOR_TEST);
// if grid is set, end grid
if(m_grid != NULL && m_grid->isActive()) {
m_grid->afterDraw(this);
}
// pop matrix
glPopMatrix();
}
