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animatable textures

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devZoGok
2021-10-19 19:06:40 +03:00
parent 6102373fbc
commit 89c25c5bd9
5 changed files with 51 additions and 7 deletions
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texture.cpp
+39 -1
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@@ -77,6 +77,35 @@ namespace vb01{
stbi_image_free(data);
}
Texture::Texture(string path[],int numFrames,s64 updateRate,bool flip){
this->updateRate=updateRate;
this->numFrames=numFrames;
frames=new u32;
for(int i=0;i<numFrames;i++){
bool png=false;
int length=path[i].length();
if(path[i].substr(length-4,string::npos)==".png")
png=true;
glGenTextures(1,&(frames[i]));
glBindTexture(GL_TEXTURE_2D,frames[i]);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_S,GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_WRAP_T,GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
stbi_set_flip_vertically_on_load(flip);
data=stbi_load(path[i].c_str(),&width,&height,&numChannels,0);
glTexImage2D(GL_TEXTURE_2D,0,png?GL_RGBA:GL_RGB,width,height,0,png?GL_RGBA:GL_RGB,GL_UNSIGNED_BYTE,data);
//glGenerateMipmap(GL_TEXTURE_2D);
stbi_image_free(data);
}
}
Texture::Texture(string paths[6],bool flip){
this->type=TextureType::TEXTURE_CUBEMAP;
@@ -109,8 +138,17 @@ namespace vb01{
glDeleteTextures(1,&texture);
}
void Texture::update(){
if(numFrames>0){
if(getTime()-lastUpdateTime>updateRate){
currentFrame=(currentFrame==numFrames-1?0:currentFrame+1);
lastUpdateTime=getTime();
}
}
}
void Texture::select(int id){
glActiveTexture(GL_TEXTURE0+id);
glBindTexture(type==TEXTURE_2D?GL_TEXTURE_2D:GL_TEXTURE_CUBE_MAP,texture);
glBindTexture(type==TEXTURE_2D?GL_TEXTURE_2D:GL_TEXTURE_CUBE_MAP,numFrames==0?texture:frames[currentFrame]);
}
}