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3 types of lights

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supported number of n lights
This commit is contained in:
devZoGok
2021-10-18 19:03:19 +03:00
parent 0083f9e5b8
commit aebc069053
16 changed files with 350 additions and 23 deletions
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shader.cpp
+31 -4
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@@ -23,11 +23,23 @@ namespace vb01{
vertShaderFile.close();
fragShaderFile.close();
string v=vertShaderStream.str();
string f=fragShaderStream.str();
vString=vertShaderStream.str();
fString=fragShaderStream.str();
setNumLights(1);
}
const char *vertShaderSource=v.c_str();
const char *fragShaderSource=f.c_str();
void Shader::setNumLights(int numLights){
int firstCharId=-1,secondCharId=-1;
for(int i=0;i<fString.length()&&(firstCharId==-1||secondCharId==-1);i++){
if(fString.c_str()[i]=='=')
firstCharId=i;
if(fString.c_str()[i]==';')
secondCharId=i;
}
fString=fString.substr(0,firstCharId+1)+to_string(numLights)+fString.substr(secondCharId,string::npos);
const char *vertShaderSource=vString.c_str();
const char *fragShaderSource=fString.c_str();
unsigned int vert,frag;
vert=glCreateShader(GL_VERTEX_SHADER);
@@ -79,8 +91,23 @@ namespace vb01{
glUniformMatrix4fv(uniformLoc,1,GL_FALSE,value_ptr(mat));
}
void Shader::setFloat(float fl, string var){
int uniformLoc=glGetUniformLocation(id,var.c_str());
glUniform1f(uniformLoc,fl);
}
void Shader::setVec3(vec3 vec, string var){
int uniformLoc=glGetUniformLocation(id,var.c_str());
glUniform3f(uniformLoc,vec.x,vec.y,vec.z);
}
void Shader::setBool(bool b, string var){
int uniformLoc=glGetUniformLocation(id,var.c_str());
glUniform1i(uniformLoc,(int)b);
}
void Shader::setInt(int i, string var){
int uniformLoc=glGetUniformLocation(id,var.c_str());
glUniform1i(uniformLoc,i);
}
}