axmol/tests/Classes/RenderTextureTest/RenderTextureTest.cpp

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#include "CCConfiguration.h"
#include "RenderTextureTest.h"
#include "../testBasic.h"
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#include "renderer/CCRenderer.h"
#include "renderer/CCCustomCommand.h"
// Test #1 by Jason Booth (slipster216)
// Test #3 by David Deaco (ddeaco)
static std::function<Layer*()> createFunctions[] = {
CL(RenderTextureSave),
CL(RenderTextureIssue937),
CL(RenderTextureZbuffer),
CL(RenderTextureTestDepthStencil),
CL(RenderTextureTargetNode),
CL(SpriteRenderTextureBug),
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CL(RenderTexturePartTest),
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};
#define MAX_LAYER (sizeof(createFunctions)/sizeof(createFunctions[0]))
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static int sceneIdx = -1;
static Layer* nextTestCase()
{
sceneIdx++;
sceneIdx = sceneIdx % MAX_LAYER;
auto layer = (createFunctions[sceneIdx])();
return layer;
}
static Layer* backTestCase()
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{
sceneIdx--;
int total = MAX_LAYER;
if( sceneIdx < 0 )
sceneIdx += total;
auto layer = (createFunctions[sceneIdx])();
return layer;
}
static Layer* restartTestCase()
{
auto layer = (createFunctions[sceneIdx])();
return layer;
}
void RenderTextureTest::onEnter()
{
BaseTest::onEnter();
}
void RenderTextureTest::restartCallback(Ref* sender)
{
auto s = new RenderTextureScene();
s->addChild(restartTestCase());
Director::getInstance()->replaceScene(s);
s->release();
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}
void RenderTextureTest::nextCallback(Ref* sender)
{
auto s = new RenderTextureScene();
s->addChild( nextTestCase() );
Director::getInstance()->replaceScene(s);
s->release();
}
void RenderTextureTest::backCallback(Ref* sender)
{
auto s = new RenderTextureScene();
s->addChild( backTestCase() );
Director::getInstance()->replaceScene(s);
s->release();
}
std::string RenderTextureTest::title() const
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{
return "No title";
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}
std::string RenderTextureTest::subtitle() const
{
return "";
}
/**
* Impelmentation of RenderTextureSave
*/
RenderTextureSave::RenderTextureSave()
{
auto s = Director::getInstance()->getWinSize();
// create a render texture, this is what we are going to draw into
_target = RenderTexture::create(s.width, s.height, Texture2D::PixelFormat::RGBA8888);
_target->retain();
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_target->setPosition(Point(s.width / 2, s.height / 2));
// note that the render texture is a Node, and contains a sprite of its texture for convience,
// so we can just parent it to the scene like any other Node
this->addChild(_target, -1);
auto listener = EventListenerTouchAllAtOnce::create();
listener->onTouchesMoved = CC_CALLBACK_2(RenderTextureSave::onTouchesMoved, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
// Save Image menu
MenuItemFont::setFontSize(16);
auto item1 = MenuItemFont::create("Save Image", CC_CALLBACK_1(RenderTextureSave::saveImage, this));
auto item2 = MenuItemFont::create("Clear", CC_CALLBACK_1(RenderTextureSave::clearImage, this));
auto menu = Menu::create(item1, item2, NULL);
this->addChild(menu);
menu->alignItemsVertically();
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menu->setPosition(Point(VisibleRect::rightTop().x - 80, VisibleRect::rightTop().y - 30));
}
std::string RenderTextureSave::title() const
{
return "Touch the screen";
}
std::string RenderTextureSave::subtitle() const
{
return "Press 'Save Image' to create an snapshot of the render texture";
}
void RenderTextureSave::clearImage(cocos2d::Ref *sender)
{
_target->clear(CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1());
}
void RenderTextureSave::saveImage(cocos2d::Ref *sender)
{
static int counter = 0;
char png[20];
sprintf(png, "image-%d.png", counter);
char jpg[20];
sprintf(jpg, "image-%d.jpg", counter);
_target->saveToFile(png, Image::Format::PNG);
_target->saveToFile(jpg, Image::Format::JPG);
std::string fileName = FileUtils::getInstance()->getWritablePath() + jpg;
auto sprite = Sprite::create(fileName);
sprite->setScale(0.3f);
addChild(sprite);
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sprite->setPosition(Point(40, 40));
sprite->setRotation(counter * 3);
CCLOG("Image saved %s and %s", png, jpg);
counter++;
}
RenderTextureSave::~RenderTextureSave()
{
_target->release();
Director::getInstance()->getTextureCache()->removeUnusedTextures();
}
void RenderTextureSave::onTouchesMoved(const std::vector<Touch*>& touches, Event* event)
{
auto touch = touches[0];
auto start = touch->getLocation();
auto end = touch->getPreviousLocation();
// begin drawing to the render texture
_target->begin();
// for extra points, we'll draw this smoothly from the last position and vary the sprite's
// scale/rotation/offset
float distance = start.getDistance(end);
if (distance > 1)
{
int d = (int)distance;
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_brushs.clear();
for(int i = 0; i < d; ++i)
{
Sprite * sprite = Sprite::create("Images/fire.png");
sprite->setColor(Color3B::RED);
sprite->setOpacity(20);
_brushs.pushBack(sprite);
}
for (int i = 0; i < d; i++)
{
float difx = end.x - start.x;
float dify = end.y - start.y;
float delta = (float)i / distance;
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_brushs.at(i)->setPosition(Point(start.x + (difx * delta), start.y + (dify * delta)));
_brushs.at(i)->setRotation(rand() % 360);
float r = (float)(rand() % 50 / 50.f) + 0.25f;
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_brushs.at(i)->setScale(r);
/*_brush->setColor(Color3B(CCRANDOM_0_1() * 127 + 128, 255, 255));*/
// Use CCRANDOM_0_1() will cause error when loading libtests.so on android, I don't know why.
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_brushs.at(i)->setColor(Color3B(rand() % 127 + 128, 255, 255));
// Call visit to draw the brush, don't call draw..
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_brushs.at(i)->visit();
}
}
// finish drawing and return context back to the screen
_target->end();
}
/**
* Impelmentation of RenderTextureIssue937
*/
RenderTextureIssue937::RenderTextureIssue937()
{
/*
* 1 2
* A: A1 A2
*
* B: B1 B2
*
* A1: premulti sprite
* A2: premulti render
*
* B1: non-premulti sprite
* B2: non-premulti render
*/
auto background = LayerColor::create(Color4B(200,200,200,255));
addChild(background);
auto spr_premulti = Sprite::create("Images/fire.png");
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spr_premulti->setPosition(Point(16,48));
auto spr_nonpremulti = Sprite::create("Images/fire.png");
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spr_nonpremulti->setPosition(Point(16,16));
/* A2 & B2 setup */
auto rend = RenderTexture::create(32, 64, Texture2D::PixelFormat::RGBA8888);
if (NULL == rend)
{
return;
}
// It's possible to modify the RenderTexture blending function by
// [[rend sprite] setBlendFunc:(BlendFunc) {GL_ONE, GL_ONE_MINUS_SRC_ALPHA}];
rend->begin();
spr_premulti->visit();
spr_nonpremulti->visit();
rend->end();
auto s = Director::getInstance()->getWinSize();
/* A1: setup */
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spr_premulti->setPosition(Point(s.width/2-16, s.height/2+16));
/* B1: setup */
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spr_nonpremulti->setPosition(Point(s.width/2-16, s.height/2-16));
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rend->setPosition(Point(s.width/2+16, s.height/2));
addChild(spr_nonpremulti);
addChild(spr_premulti);
addChild(rend);
}
std::string RenderTextureIssue937::title() const
{
return "Testing issue #937";
}
std::string RenderTextureIssue937::subtitle() const
{
return "All images should be equal...";
}
void RenderTextureScene::runThisTest()
{
auto layer = nextTestCase();
addChild(layer);
Director::getInstance()->replaceScene(this);
}
/**
* Impelmentation of RenderTextureZbuffer
*/
RenderTextureZbuffer::RenderTextureZbuffer()
{
auto listener = EventListenerTouchAllAtOnce::create();
listener->onTouchesBegan = CC_CALLBACK_2(RenderTextureZbuffer::onTouchesBegan, this);
listener->onTouchesMoved = CC_CALLBACK_2(RenderTextureZbuffer::onTouchesMoved, this);
listener->onTouchesEnded = CC_CALLBACK_2(RenderTextureZbuffer::onTouchesEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
auto size = Director::getInstance()->getWinSize();
auto label = LabelTTF::create("vertexZ = 50", "Marker Felt", 64);
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label->setPosition(Point(size.width / 2, size.height * 0.25f));
this->addChild(label);
auto label2 = LabelTTF::create("vertexZ = 0", "Marker Felt", 64);
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label2->setPosition(Point(size.width / 2, size.height * 0.5f));
this->addChild(label2);
auto label3 = LabelTTF::create("vertexZ = -50", "Marker Felt", 64);
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label3->setPosition(Point(size.width / 2, size.height * 0.75f));
this->addChild(label3);
label->setVertexZ(50);
label2->setVertexZ(0);
label3->setVertexZ(-50);
SpriteFrameCache::getInstance()->addSpriteFramesWithFile("Images/bugs/circle.plist");
mgr = SpriteBatchNode::create("Images/bugs/circle.png", 9);
this->addChild(mgr);
sp1 = Sprite::createWithSpriteFrameName("circle.png");
sp2 = Sprite::createWithSpriteFrameName("circle.png");
sp3 = Sprite::createWithSpriteFrameName("circle.png");
sp4 = Sprite::createWithSpriteFrameName("circle.png");
sp5 = Sprite::createWithSpriteFrameName("circle.png");
sp6 = Sprite::createWithSpriteFrameName("circle.png");
sp7 = Sprite::createWithSpriteFrameName("circle.png");
sp8 = Sprite::createWithSpriteFrameName("circle.png");
sp9 = Sprite::createWithSpriteFrameName("circle.png");
mgr->addChild(sp1, 9);
mgr->addChild(sp2, 8);
mgr->addChild(sp3, 7);
mgr->addChild(sp4, 6);
mgr->addChild(sp5, 5);
mgr->addChild(sp6, 4);
mgr->addChild(sp7, 3);
mgr->addChild(sp8, 2);
mgr->addChild(sp9, 1);
sp1->setVertexZ(400);
sp2->setVertexZ(300);
sp3->setVertexZ(200);
sp4->setVertexZ(100);
sp5->setVertexZ(0);
sp6->setVertexZ(-100);
sp7->setVertexZ(-200);
sp8->setVertexZ(-300);
sp9->setVertexZ(-400);
sp9->setScale(2);
sp9->setColor(Color3B::YELLOW);
}
std::string RenderTextureZbuffer::title() const
{
return "Testing Z Buffer in Render Texture";
}
std::string RenderTextureZbuffer::subtitle() const
{
return "Touch screen. It should be green";
}
void RenderTextureZbuffer::onTouchesBegan(const std::vector<Touch*>& touches, Event *event)
{
for (auto &item: touches)
{
auto touch = static_cast<Touch*>(item);
auto location = touch->getLocation();
sp1->setPosition(location);
sp2->setPosition(location);
sp3->setPosition(location);
sp4->setPosition(location);
sp5->setPosition(location);
sp6->setPosition(location);
sp7->setPosition(location);
sp8->setPosition(location);
sp9->setPosition(location);
}
}
void RenderTextureZbuffer::onTouchesMoved(const std::vector<Touch*>& touches, Event* event)
{
for (auto &item: touches)
{
auto touch = static_cast<Touch*>(item);
auto location = touch->getLocation();
sp1->setPosition(location);
sp2->setPosition(location);
sp3->setPosition(location);
sp4->setPosition(location);
sp5->setPosition(location);
sp6->setPosition(location);
sp7->setPosition(location);
sp8->setPosition(location);
sp9->setPosition(location);
}
}
void RenderTextureZbuffer::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
{
this->renderScreenShot();
}
void RenderTextureZbuffer::renderScreenShot()
{
auto texture = RenderTexture::create(512, 512);
if (NULL == texture)
{
return;
}
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texture->setAnchorPoint(Point(0, 0));
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texture->setKeepMatrix(true);
texture->begin();
this->visit();
texture->end();
auto sprite = Sprite::createWithTexture(texture->getSprite()->getTexture());
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sprite->setPosition(Point(256, 256));
sprite->setOpacity(182);
sprite->setFlippedY(1);
this->addChild(sprite, 999999);
sprite->setColor(Color3B::GREEN);
sprite->runAction(Sequence::create(FadeTo::create(2, 0),
Hide::create(),
NULL));
}
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RenderTexturePartTest::RenderTexturePartTest()
{
auto sprite1 = Sprite::create("Images/grossini.png");
auto sprite11 = Sprite::create("Images/grossini.png");
auto sprite2 = Sprite::create("Images/grossinis_sister1.png");
auto sprite22 = Sprite::create("Images/grossinis_sister1.png");
Size size = Director::getInstance()->getWinSize();
Size sprite1Size = sprite1->getContentSize();
sprite1->setPosition((size.width-sprite1Size.width)/2 - 20, (size.height - sprite1Size.height)/2 - 20);
sprite11->setPosition(size.width/2 + 20, (size.height - sprite1Size.height)/2 - 20);
sprite2->setPosition((size.width-sprite1Size.width)/2 - 20, size.height/2 + 20);
sprite22->setPosition(size.width/2 + 20, size.height/2 + 20);
addChild(sprite1);
addChild(sprite11);
addChild(sprite2);
addChild(sprite22);
_rend = RenderTexture::create(200, 200, Texture2D::PixelFormat::RGBA8888);
_rend->retain();
_rend->setKeepMatrix(true);
Size pixelSize = Director::getInstance()->getWinSizeInPixels();
_rend->setVirtualViewPort(Point(size.width/2-150, size.height/2-150),Rect(0,0,size.width,size.height),Rect(0,0,pixelSize.width,pixelSize.height));
_rend->beginWithClear(1, 0, 0, 1);
sprite1->visit();
sprite11->visit();
sprite2->visit();
sprite22->visit();
_rend->end();
_spriteDraw = Sprite::createWithTexture(_rend->getSprite()->getTexture());
FiniteTimeAction* baseAction = MoveBy::create(1, Point(size.width,0));
_spriteDraw->setPosition(0,size.height/2);
_spriteDraw->runAction(RepeatForever::create(Sequence::create
(baseAction,baseAction->reverse(), NULL)));
addChild(_spriteDraw);
}
RenderTexturePartTest::~RenderTexturePartTest()
{
CC_SAFE_RELEASE(_rend);
}
std::string RenderTexturePartTest::title() const
{
return "Render Texture Part Test";
}
std::string RenderTexturePartTest::subtitle() const
{
return "Only Grabbing a sub region of fullscreen";
}
// RenderTextureTestDepthStencil
RenderTextureTestDepthStencil::RenderTextureTestDepthStencil()
{
auto s = Director::getInstance()->getWinSize();
_spriteDS = Sprite::create("Images/fire.png");
_spriteDS->retain();
_spriteDS->setPosition(Point(s.width * 0.25f, 0));
_spriteDS->setScale(10);
_spriteDraw = Sprite::create("Images/fire.png");
_spriteDraw->retain();
_spriteDraw->setPosition(Point(s.width * 0.25f, 0));
_spriteDraw->setScale(10);
//! move sprite half width and height, and draw only where not marked
_spriteDraw->setPosition(_spriteDraw->getPosition() + Point(_spriteDraw->getContentSize().width * _spriteDraw->getScale() * 0.5, _spriteDraw->getContentSize().height * _spriteDraw->getScale() * 0.5));
_rend = RenderTexture::create(s.width, s.height, Texture2D::PixelFormat::RGBA4444, GL_DEPTH24_STENCIL8);
_rend->setPosition(Point(s.width * 0.5f, s.height * 0.5f));
this->addChild(_rend);
}
RenderTextureTestDepthStencil::~RenderTextureTestDepthStencil()
{
CC_SAFE_RELEASE(_spriteDraw);
CC_SAFE_RELEASE(_spriteDS);
}
void RenderTextureTestDepthStencil::draw(Renderer *renderer, const kmMat4 &transform, bool transformUpdated)
{
_renderCmds[0].init(_globalZOrder);
_renderCmds[0].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeClear, this);
renderer->addCommand(&_renderCmds[0]);
_rend->beginWithClear(0, 0, 0, 0, 0, 0);
_renderCmds[1].init(_globalZOrder);
_renderCmds[1].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforeStencil, this);
renderer->addCommand(&_renderCmds[1]);
_spriteDS->visit();
_renderCmds[2].init(_globalZOrder);
_renderCmds[2].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onBeforDraw, this);
renderer->addCommand(&_renderCmds[2]);
_spriteDraw->visit();
_rend->end();
_renderCmds[3].init(_globalZOrder);
_renderCmds[3].func = CC_CALLBACK_0(RenderTextureTestDepthStencil::onAfterDraw, this);
renderer->addCommand(&_renderCmds[3]);
}
void RenderTextureTestDepthStencil::onBeforeClear()
{
glStencilMask(0xFF);
}
void RenderTextureTestDepthStencil::onBeforeStencil()
{
//! mark sprite quad into stencil buffer
glEnable(GL_STENCIL_TEST);
glStencilFunc(GL_NEVER, 1, 0xFF);
glStencilOp(GL_REPLACE, GL_REPLACE, GL_REPLACE);
}
void RenderTextureTestDepthStencil::onBeforDraw()
{
glStencilFunc(GL_NOTEQUAL, 1, 0xFF);
}
void RenderTextureTestDepthStencil::onAfterDraw()
{
glDisable(GL_STENCIL_TEST);
}
std::string RenderTextureTestDepthStencil::title() const
{
return "Testing depthStencil attachment";
}
std::string RenderTextureTestDepthStencil::subtitle() const
{
return "Circle should be missing 1/4 of its region";
}
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// RenderTextureTest
RenderTextureTargetNode::RenderTextureTargetNode()
{
/*
* 1 2
* A: A1 A2
*
* B: B1 B2
*
* A1: premulti sprite
* A2: premulti render
*
* B1: non-premulti sprite
* B2: non-premulti render
*/
auto background = LayerColor::create(Color4B(40,40,40,255));
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addChild(background);
// sprite 1
sprite1 = Sprite::create("Images/fire.png");
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// sprite 2
sprite2 = Sprite::create("Images/fire_rgba8888.pvr");
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auto s = Director::getInstance()->getWinSize();
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/* Create the render texture */
auto renderTexture = RenderTexture::create(s.width, s.height, Texture2D::PixelFormat::RGBA4444);
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this->renderTexture = renderTexture;
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renderTexture->setPosition(Point(s.width/2, s.height/2));
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// [renderTexture setPosition:Point(s.width, s.height)];
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// renderTexture.scale = 2;
/* add the sprites to the render texture */
renderTexture->addChild(sprite1);
renderTexture->addChild(sprite2);
renderTexture->setClearColor(Color4F(0, 0, 0, 0));
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renderTexture->setClearFlags(GL_COLOR_BUFFER_BIT);
/* add the render texture to the scene */
addChild(renderTexture);
renderTexture->setAutoDraw(true);
scheduleUpdate();
// Toggle clear on / off
auto item = MenuItemFont::create("Clear On/Off", CC_CALLBACK_1(RenderTextureTargetNode::touched, this));
auto menu = Menu::create(item, NULL);
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addChild(menu);
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menu->setPosition(Point(s.width/2, s.height/2));
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}
void RenderTextureTargetNode::touched(Ref* sender)
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{
if (renderTexture->getClearFlags() == 0)
{
renderTexture->setClearFlags(GL_COLOR_BUFFER_BIT);
}
else
{
renderTexture->setClearFlags(0);
renderTexture->setClearColor(Color4F( CCRANDOM_0_1(), CCRANDOM_0_1(), CCRANDOM_0_1(), 1));
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}
}
void RenderTextureTargetNode::update(float dt)
{
static float time = 0;
float r = 80;
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sprite1->setPosition(Point(cosf(time * 2) * r, sinf(time * 2) * r));
sprite2->setPosition(Point(sinf(time * 2) * r, cosf(time * 2) * r));
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time += dt;
}
std::string RenderTextureTargetNode::title() const
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{
return "Testing Render Target Node";
}
std::string RenderTextureTargetNode::subtitle() const
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{
return "Sprites should be equal and move with each frame";
}
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// SpriteRenderTextureBug
SpriteRenderTextureBug::SimpleSprite::SimpleSprite() : _rt(nullptr) {}
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SpriteRenderTextureBug::SimpleSprite* SpriteRenderTextureBug::SimpleSprite::create(const char* filename, const Rect &rect)
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{
auto sprite = new SimpleSprite();
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if (sprite && sprite->initWithFile(filename, rect))
{
sprite->autorelease();
}
else
{
CC_SAFE_DELETE(sprite);
}
return sprite;
}
void SpriteRenderTextureBug::SimpleSprite::draw(Renderer *renderer, const kmMat4 &transform, bool transformUpdated)
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{
_customCommand.init(_globalZOrder);
_customCommand.func = CC_CALLBACK_0(SpriteRenderTextureBug::SimpleSprite::onBeforeDraw, this);
renderer->addCommand(&_customCommand);
Sprite::draw(renderer, transform, transformUpdated);
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}
void SpriteRenderTextureBug::SimpleSprite::onBeforeDraw()
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{
if (_rt == nullptr)
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{
auto s = Director::getInstance()->getWinSize();
_rt = RenderTexture::create(s.width, s.height, Texture2D::PixelFormat::RGBA8888);
_rt->retain();
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}
_rt->beginWithClear(0.0f, 0.0f, 0.0f, 1.0f);
_rt->end();
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}
SpriteRenderTextureBug::SpriteRenderTextureBug()
{
auto listener = EventListenerTouchAllAtOnce::create();
listener->onTouchesEnded = CC_CALLBACK_2(SpriteRenderTextureBug::onTouchesEnded, this);
_eventDispatcher->addEventListenerWithSceneGraphPriority(listener, this);
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auto s = Director::getInstance()->getWinSize();
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addNewSpriteWithCoords(Point(s.width/2, s.height/2));
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}
SpriteRenderTextureBug::SimpleSprite* SpriteRenderTextureBug::addNewSpriteWithCoords(const Point& p)
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{
int idx = CCRANDOM_0_1() * 1400 / 100;
int x = (idx%5) * 85;
int y = (idx/5) * 121;
auto sprite = SpriteRenderTextureBug::SimpleSprite::create("Images/grossini_dance_atlas.png",
Rect(x,y,85,121));
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addChild(sprite);
sprite->setPosition(p);
FiniteTimeAction *action = NULL;
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float rd = CCRANDOM_0_1();
if (rd < 0.20)
action = ScaleBy::create(3, 2);
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else if (rd < 0.40)
action = RotateBy::create(3, 360);
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else if (rd < 0.60)
action = Blink::create(1, 3);
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else if (rd < 0.8 )
action = TintBy::create(2, 0, -255, -255);
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else
action = FadeOut::create(2);
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auto action_back = action->reverse();
auto seq = Sequence::create(action, action_back, NULL);
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sprite->runAction(RepeatForever::create(seq));
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//return sprite;
return NULL;
}
void SpriteRenderTextureBug::onTouchesEnded(const std::vector<Touch*>& touches, Event* event)
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{
for (auto &touch: touches)
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{
auto location = touch->getLocation();
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addNewSpriteWithCoords(location);
}
}
std::string SpriteRenderTextureBug::title() const
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{
return "SpriteRenderTextureBug";
}
std::string SpriteRenderTextureBug::subtitle() const
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{
return "Touch the screen. Sprite should appear on under the touch";
}