Example #1
0
void LightEffect::prepareForRender(Sprite *sprite, Texture2D *normalmap)
{
    auto gl = getGLProgramState();

    gl->setUniformVec2("u_contentSize", sprite->getContentSize());

    Point posRelToSprite = PointApplyAffineTransform(Point(_lightPos.x, _lightPos.y), sprite->getWorldToNodeAffineTransform());
    gl->setUniformVec3("u_lightPos", Vec3(posRelToSprite.x, posRelToSprite.y, _lightPos.z));

    gl->setUniformTexture("u_normals", normalmap);

	int opacity = sprite->getOpacity();
    SpriteFrame *frame = sprite->getSpriteFrame();
    Size untrimmedSize = frame->getOriginalSize();
    Size trimmedSize = frame->getRect().size;
    Vec2 framePos = frame->getRect().origin;
    Size texSize = frame->getTexture()->getContentSize();
    
    // set sprite position in sheet
    gl->setUniformVec2("u_spritePosInSheet", Vec2(framePos.x / texSize.width, framePos.y / texSize.height));
    gl->setUniformVec2("u_spriteSizeRelToSheet", Vec2(untrimmedSize.width / texSize.width, untrimmedSize.height / texSize.height));
    gl->setUniformInt("u_spriteRotated", frame->isRotated());
	gl->setUniformFloat("u_spriteOpacity", (float)opacity / 255.0f);
    
    // set offset of trimmed sprite
    Vec2 bottomLeft = frame->getOffset() + (untrimmedSize - trimmedSize) / 2;
    Vec2 cornerOffset = frame->isRotated() ? Vec2(bottomLeft.y, bottomLeft.x)
                                           : Vec2(bottomLeft.x, untrimmedSize.height - trimmedSize.height - bottomLeft.y);
    gl->setUniformVec2("u_spriteOffset", cornerOffset);

}
Example #2
0
Sprite* TuiManager::createAnim(float tag,const char* name,const char* plist,float x,float y,float rotation){
	SpriteFrameCache::getInstance()->addSpriteFramesWithFile(plist);
	Animation* pAnim = TuiUtil::createAnimWithName(name,0.05f,-1);
	SpriteFrame *pTmpFrame = SpriteFrameCache::getInstance()->getSpriteFrameByName(string(name) + "1.png");
	Sprite* pSprite = Sprite::create();
	pSprite->runAction(Animate::create(pAnim));
	pSprite->setPosition(Vec2(x,-y));
	pSprite->setRotation(rotation);
	pSprite->setContentSize(pTmpFrame->getOriginalSize());
	pSprite->setTag(tag);
	return pSprite;
}
void LightsHolder::prepareForRender(Sprite *_sprite, Texture2D *normalmap)
{
    int idx=0;
    for(auto &ef : _effectsArray) {
     
        if (ef != nullptr)
        {
            Point posRelToSprite = PointApplyAffineTransform(Point(ef->getLightPos().x, ef->getLightPos().y),_sprite->getWorldToNodeAffineTransform());
            _lightPos[idx]=Vec3(posRelToSprite.x, posRelToSprite.y, ef->getLightPos().z);
            brightness[idx]=ef->getBrightness();
    
        }
        idx++;
    }
    
    auto gl = getGLProgramState();

    gl->setUniformVec2("u_contentSize", _sprite->getContentSize());


 

    gl->setUniformVec3v("u_lightPos",_lightsNumber,_lightPos);

    gl->setUniformTexture("u_normals", normalmap);

    SpriteFrame *frame = _sprite->getSpriteFrame();
    Size untrimmedSize = frame->getOriginalSize();
    Size trimmedSize = frame->getRect().size;
    Vec2 framePos = frame->getRect().origin;
    Size texSize = frame->getTexture()->getContentSize();
    
    // set sprite position in sheet
    gl->setUniformVec2("u_spritePosInSheet", Vec2(framePos.x / texSize.width, framePos.y / texSize.height));
    gl->setUniformVec2("u_spriteSizeRelToSheet", Vec2(untrimmedSize.width / texSize.width, untrimmedSize.height / texSize.height));
    
    gl->setUniformFloatv("u_brightness",_lightsNumber, brightness);
    
    gl->setUniformInt("u_spriteRotated", frame->isRotated());
    gl->setUniformInt("u_lightsNumber", _lightsNumber);
    
    // set offset of trimmed sprite
    Vec2 bottomLeft = frame->getOffset() + (untrimmedSize - trimmedSize) / 2;
    Vec2 cornerOffset = frame->isRotated() ? Vec2(bottomLeft.y, bottomLeft.x)
                                           : Vec2(bottomLeft.x, untrimmedSize.height - trimmedSize.height - bottomLeft.y);
    gl->setUniformVec2("u_spriteOffset", cornerOffset);

}