Irrlicht Engine

Hello , i have always the texture data problem, and a problem with 3D animation :

I have a node and i want to (for exemple) rotate him to an angle of 30°, i can use a node->setRotate() but the node will be teleported.

In opengl we make a loop with a variable on the glRotatef() and after every ...

I have the same error :




unsigned char* lock =(unsigned char*) TextureWebcam->lock();
if (lock)
{
int newv = getTextureSizeFromImageSize(VMAX);
int newh = getTextureSizeFromImageSize(HMAX);

float xscale = (float)VMAX / (float)newv;
float yscale = (float)HMAX / (float)newh;
int width ...

this is that i do :


for (int y=0; y<HMAX; ++y)
{
for (int x=0; x<VMAX; ++x)
{
unsigned char tmp1[4];
tmp1[0] = Image1->Couleur(y,x,'b');
tmp1[1] = Image1->Couleur(y,x,'g');
tmp1[2] = Image1->Couleur(y,x,'r');
tmp1[3] = 0; //to 32bit... a extra bit for da alpha chanel
memcpy((void*)lock ...

i don't understand why TextureWebcam->lock() return a void * because if i want to change imagedata is in 2D so a void ** no ?


Or maybe is the image in line ?

thanks to your code !!!

but he don't like : lockedTextureBuffer[x + y*newv]

"pointer of type `void *' used in arithmetic "

Your code should look something like the makeColorKeyTexture code in CNullDriver.cpp. If you wanted to support scaling the texture, there is code for that in CImage.cpp.

Thanks to your answer but ,,, :( i don't understand how to change the pixel data of the texture ... I don't know any CImage ...

ops i forgot to log in ^^ the previous post was mine

I want thanks you for your help

Thank you very much

I use Opencv to grab a frame ...
My scene is lagging when it's grab a frame that better but ... :'(

I can have 400 fps if i put a very little camera_fps but sometimes the scene is lagging

Hi Vitek

how do you want to update the texture ? , i update with driver->addtexture();

Hello
I'm making a eye toy project ( dragon who is "driver" with your arms ) but i have a FPS Problem , to can making operation with my webcam i making some frame ... I pick up the frame in the loop of the main ... a webcam have a max FPS of 30 but 30 FPS to run 3D animation is too slow ...

Sorry for my question that work ^^ , i display an other image in my image webcam that why i couldn't display it