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Sometimes the live2d model shows darkness
Could you tell me how to solve this problem
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Only this image information can't identify the cause .
Please tell me the detailed information .
( Your OS, development environment , SDK Version or Program code etc...)
I know the same thing will happen in the change of texture color in Unity .
>> Transparency and texture color change of Live2D
As the image shows, the live2dSprite.cpp and live2dSprite.h is my code.
{
Live2dSprite *sprite = new (std::nothrow) Live2dSprite(modelDir,modelFileName, size);
if (sprite)
{
sprite->autorelease();
return sprite;
}
CC_SAFE_DELETE(sprite);
return nullptr;
}
Live2dSprite::Live2dSprite(const std::string& modelDir,
const std::string& modelFileName,
const Size &size):
DrawNode(), touchMgr(nullptr),deviceToScreen(nullptr),
viewMatrix(nullptr), l2d_model(nullptr),_eventListener(nullptr),
l2d_size(size),_shadow(1.0),_isRenderShadow(false)
{
l2d_model = new LAppModel();
l2d_model->load(modelDir.c_str(), modelFileName.c_str());
model_width = l2d_model->getCanvasWidth();
model_height = l2d_model->getCanvasHeight();
touchMgr=new TouchManager();
deviceToScreen = new L2DMatrix44();
viewMatrix = new L2DViewMatrix();
//Size size=Director::getInstance()->getWinSize();
float width= l2d_size.width;
float height= l2d_size.height;
float ratio=(float)height/width;
float left = VIEW_LOGICAL_LEFT;
float right = VIEW_LOGICAL_RIGHT;
float bottom = -ratio;
float top = ratio;
_scale = _scaleX = 1.0f;
viewMatrix->setScreenRect(left,right,bottom,top);
float screenW=abs(left-right);
deviceToScreen->multTranslate(-width/2.0f,-height/2.0f );
deviceToScreen->multScale( screenW/width , -screenW/width );
viewMatrix->setMaxScale( VIEW_MAX_SCALE );
viewMatrix->setMinScale( VIEW_MIN_SCALE );
viewMatrix->setMaxScreenRect(
VIEW_LOGICAL_MAX_LEFT,
VIEW_LOGICAL_MAX_RIGHT,
VIEW_LOGICAL_MAX_BOTTOM,
VIEW_LOGICAL_MAX_TOP
);
}
void Live2dSprite::draw(cocos2d::Renderer *renderer, const cocos2d::Mat4 &transform, uint32_t flags)
{
DrawNode::draw(renderer, transform, flags);
_customCommand.init(_globalZOrder);
_customCommand.func = CC_CALLBACK_0(Live2dSprite::onDraw, this, transform, flags);
renderer->addCommand(&_customCommand);
}
void Live2dSprite::onDraw(const cocos2d::Mat4 &transform, uint32_t flags)
{
this->updatePosition(ccpAdd( getParent()->getPosition(), getPosition()));
kmGLPushMatrix();
kmGLLoadMatrix(&transform);
if(_isRenderShadow)
{
int size = l2d_model->getModelSetting()->getTextureNum();
auto model = ((Live2DModelOpenGL*)l2d_model->getLive2DModel());
for(int i = 0;isetTextureColor(i, 0.0, 0.0, 0.0, 0);
}
}
// colors
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, colors));
modelUpdate();
if(_isRenderShadow)
{
int size = l2d_model->getModelSetting()->getTextureNum();
auto model = ((Live2DModelOpenGL*)l2d_model->getLive2DModel());
for(int i = 0;isetTextureColor(i, _shadow, _shadow, _shadow, 0);
}
}
kmGLPopMatrix();
glFrontFace(GL_CCW);
}
void Live2dSprite::modelUpdate()
{
live2d::DrawProfileCocos2D::preDraw();
L2DMatrix44 projection;
Director* director=Director::getInstance();
Size window=director->getWinSize();
projection.scale(1, window.width/window.height);
//float scale = model_width/window.width;
//projection.scale(scale, window.width/window.height * scale);
if (viewMatrix != NULL) {
projection.append(viewMatrix);
}
if(l2d_model != NULL)
{
l2d_model->update();
l2d_model->draw(projection);
}
live2d::DrawProfileCocos2D::postDraw();
}
Live2D API Reference - DrawParam->setBaseColor()
What is isetTextureColor?I think that perhaps _shadow becomes 0.0 . I think it is draw correctly if you use the following .
void Live2dSprite::setShadowOnModel(float shadow)
{
if(shadow>1.0 || shadow<0.0)
{
shadow = 1.0;
}
_shadow = shadow;
/*
if(l2d_model)
{
int size = l2d_model->getModelSetting()->getTextureNum();
auto model = ((Live2DModelOpenGL*)l2d_model->getLive2DModel());
for(int i = 0;isetTextureColor(i, _shadow, _shadow, _shadow, 0);
}
}
*/
}
void Live2dSprite::onDraw(const cocos2d::Mat4 &transform, uint32_t flags)
{
this->updatePosition(ccpAdd( getParent()->getPosition(), getPosition()));
kmGLPushMatrix();
kmGLLoadMatrix(&transform);
/*
if(_isRenderShadow)
{
int size = l2d_model->getModelSetting()->getTextureNum();
auto model = ((Live2DModelOpenGL*)l2d_model->getLive2DModel());
for(int i = 0;isetTextureColor(i, 0.0, 0.0, 0.0, 0);
}
}
*/
// colors
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, colors));
modelUpdate();
/*
if(_isRenderShadow)
{
int size = l2d_model->getModelSetting()->getTextureNum();
auto model = ((Live2DModelOpenGL*)l2d_model->getLive2DModel());
for(int i = 0;isetTextureColor(i, _shadow, _shadow, _shadow, 0);
}
}
*/
kmGLPopMatrix();
glFrontFace(GL_CCW);
}
As you can see, left image the bug shows and right image shows when I set the texture color to black.
Code:
void Live2dSprite::onDraw(const cocos2d::Mat4 &transform, uint32_t flags)
{
this->updatePosition(ccpAdd( getParent()->getPosition(), getPosition()));
kmGLPushMatrix();
kmGLLoadMatrix(&transform);
l2d_model->getLive2DModel()->getDrawParam()->setBaseColor(1.0, 1.0, 1.0, 1.0);
// colors
glEnableVertexAttribArray(GLProgram::VERTEX_ATTRIB_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_UNSIGNED_BYTE, GL_TRUE, sizeof(V2F_C4B_T2F), (GLvoid *)offsetof(V2F_C4B_T2F, colors));
modelUpdate();
kmGLPopMatrix();
glFrontFace(GL_CCW);
}
In code that you have posted the first time in this discussion , What happens if you have modified as follows ? ↓ In the case of Simple project of cocos2d-X Live2D SDK, I was able to change the texture color in setBaseColor().
[SampleLive2DSprite.cpp]
In your program , I think that it probably has been changed texture color in isetTextureColor .
In a program that has been posted on here , I don't know detailed processing of isetTextureColor.
Probably you don't have the same process as setBaseColor?
Or it might be a problem of the model .
How do you Test in Live2D of sample models ?
Live2D Manual - Live2D Sample Model
And I'm sorry if the cause is completely different .
I know it is only this . thanks !
I have made the flowing change in file LAppTextureDesc.cpp.
LAppTextureDesc::LAppTextureDesc(cocos2d::Texture2D* tex,std::string fileName)
{
data=tex;
tex->retain();
textureFileName=fileName;
}
LAppTextureDesc::~LAppTextureDesc()
{
data->release();
if(data->getReferenceCount() == 1)
Director::getInstance()->getTextureCache()->removeTextureForKey(textureFileName);
}