added ClippingRegionNode

This commit is contained in:
SunLightJuly 2014-09-29 15:07:05 +08:00
parent c4fac7b37d
commit e0b9878e58
4 changed files with 163 additions and 1 deletions

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@ -0,0 +1,84 @@
#include "CCClippingRegionNode.h"
#include "base/CCDirector.h"
#include "renderer/CCRenderer.h"
#include "math/Vec2.h"
#include "CCGLView.h"
NS_CC_BEGIN
ClippingRegionNode* ClippingRegionNode::create(const Rect& clippingRegion)
{
ClippingRegionNode* node = new ClippingRegionNode();
if (node && node->init()) {
node->setClippingRegion(clippingRegion);
node->autorelease();
} else {
CC_SAFE_DELETE(node);
}
return node;
}
ClippingRegionNode* ClippingRegionNode::create(void)
{
ClippingRegionNode* node = new ClippingRegionNode();
if (node && node->init()) {
node->autorelease();
} else {
CC_SAFE_DELETE(node);
}
return node;
}
void ClippingRegionNode::setClippingRegion(const Rect &clippingRegion)
{
_clippingRegion = clippingRegion;
}
void ClippingRegionNode::onBeforeVisitScissor()
{
if (_clippingEnabled) {
glEnable(GL_SCISSOR_TEST);
float scaleX = _scaleX;
float scaleY = _scaleY;
Node *parent = this->getParent();
while (parent) {
scaleX *= parent->getScaleX();
scaleY *= parent->getScaleY();
parent = parent->getParent();
}
const Point pos = convertToWorldSpace(Point(_clippingRegion.origin.x, _clippingRegion.origin.y));
GLView* glView = Director::getInstance()->getOpenGLView();
glView->setScissorInPoints(pos.x * scaleX,
pos.y * scaleY,
_clippingRegion.size.width * scaleX,
_clippingRegion.size.height * scaleY);
}
}
void ClippingRegionNode::onAfterVisitScissor()
{
if (_clippingEnabled)
{
glDisable(GL_SCISSOR_TEST);
}
}
void ClippingRegionNode::visit(Renderer *renderer, const Mat4 &parentTransform, uint32_t parentFlags)
{
_beforeVisitCmdScissor.init(_globalZOrder);
_beforeVisitCmdScissor.func = CC_CALLBACK_0(ClippingRegionNode::onBeforeVisitScissor, this);
renderer->addCommand(&_beforeVisitCmdScissor);
Node::visit(renderer, parentTransform, parentFlags);
_afterVisitCmdScissor.init(_globalZOrder);
_afterVisitCmdScissor.func = CC_CALLBACK_0(ClippingRegionNode::onAfterVisitScissor, this);
renderer->addCommand(&_afterVisitCmdScissor);
}
NS_CC_END

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@ -0,0 +1,77 @@
/*
* cocos2d for iPhone: http://www.cocos2d-iphone.org
* cocos2d-x: http://www.cocos2d-x.org
*
* Copyright (c) 2012 Pierre-David Bélanger
* Copyright (c) 2012 cocos2d-x.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#ifndef __MISCNODE_CCCLIPPING_REGION_NODE_H__
#define __MISCNODE_CCCLIPPING_REGION_NODE_H__
#include "2d/CCNode.h"
#include "renderer/CCCustomCommand.h"
#include "platform/CCGL.h"
NS_CC_BEGIN
class CC_DLL ClippingRegionNode : public Node
{
public:
static ClippingRegionNode* create(const Rect& clippingRegion);
static ClippingRegionNode* create(void);
const Rect getClippingRegion(void) {
return _clippingRegion;
}
void setClippingRegion(const Rect& clippingRegion);
bool isClippingEnabled(void) {
return _clippingEnabled;
}
void setClippingEnabled(bool enabled) {
_clippingEnabled = enabled;
}
//virtual void draw(Renderer* renderer, const Mat4 &transform, uint32_t flags) override;
virtual void visit(Renderer *renderer, const Mat4 &parentTransform, uint32_t parentFlags) override;
protected:
ClippingRegionNode(void)
: _clippingEnabled(true)
{
}
void onBeforeVisitScissor();
void onAfterVisitScissor();
Rect _clippingRegion;
bool _clippingEnabled;
CustomCommand _beforeVisitCmdScissor;
CustomCommand _afterVisitCmdScissor;
};
NS_CC_END
#endif

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@ -125,6 +125,7 @@ THE SOFTWARE.
#include "2d/CCMenu.h"
#include "2d/CCMenuItem.h"
#include "2d/CCClippingNode.h"
#include "2d/CCClippingRegionNode.h"
#include "2d/CCMotionStreak.h"
#include "2d/CCProgressTimer.h"
#include "2d/CCRenderTexture.h"

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@ -26,7 +26,7 @@ headers = %(cocosdir)s/cocos/cocos2d.h %(cocosdir)s/cocos/2d/CCProtectedNode.h
# what classes to produce code for. You can use regular expressions here. When testing the regular
# expression, it will be enclosed in "^$", like this: "^Menu*$".
classes = New.* Sprite.* Scene Node.* Director Layer.* Menu.* Touch .*Action.* Move.* Rotate.* Blink.* Tint.* Sequence Repeat.* Fade.* Ease.* Scale.* Transition.* Spawn Animat.* Flip.* Delay.* Skew.* Jump.* Place.* Show.* Progress.* PointArray ToggleVisibility.* RemoveSelf Hide Particle.* Label.* Atlas.* TextureCache.* Texture2D Cardinal.* CatmullRom.* ParallaxNode TileMap.* .*TMX.* CallFunc RenderTexture GridAction Grid3DAction GridBase$ .+Grid Shaky3D Waves3D FlipX3D FlipY3D Speed ActionManager Set Scheduler Timer Orbit.* Follow.* Bezier.* CardinalSpline.* Camera.* DrawNode .*3D$ Liquid$ Waves$ ShuffleTiles$ TurnOffTiles$ Split.* Twirl$ FileUtils$ GLProgram ShaderCache Application ClippingNode MotionStreak ^Ref$ UserDefault GLViewImpl GLView Image Event(?!.*(Physics).*).* Component ProtectedNode Console GLProgramCache GLProgramState Camera Device
classes = New.* Sprite.* Scene Node.* Director Layer.* Menu.* Touch .*Action.* Move.* Rotate.* Blink.* Tint.* Sequence Repeat.* Fade.* Ease.* Scale.* Transition.* Spawn Animat.* Flip.* Delay.* Skew.* Jump.* Place.* Show.* Progress.* PointArray ToggleVisibility.* RemoveSelf Hide Particle.* Label.* Atlas.* TextureCache.* Texture2D Cardinal.* CatmullRom.* ParallaxNode TileMap.* .*TMX.* CallFunc RenderTexture GridAction Grid3DAction GridBase$ .+Grid Shaky3D Waves3D FlipX3D FlipY3D Speed ActionManager Set Scheduler Timer Orbit.* Follow.* Bezier.* CardinalSpline.* Camera.* DrawNode .*3D$ Liquid$ Waves$ ShuffleTiles$ TurnOffTiles$ Split.* Twirl$ FileUtils$ GLProgram ShaderCache Application ClippingNode ClippingRegionNode MotionStreak ^Ref$ UserDefault GLViewImpl GLView Image Event(?!.*(Physics).*).* Component ProtectedNode Console GLProgramCache GLProgramState Camera Device
# what should we skip? in the format ClassName::[function function]
# ClassName is a regular expression, but will be used like this: "^ClassName$" functions are also