mirror of
https://github.com/devZoGok/vb01.git
synced 2026-08-27 03:53:24 +00:00
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
#include"root.h"
|
|
#include"mesh.h"
|
|
#include<glad.h>
|
|
#include<glfw3.h>
|
|
#include<glm.hpp>
|
|
#include<ext.hpp>
|
|
#include<Importer.hpp>
|
|
#include<postprocess.h>
|
|
#include<iostream>
|
|
#include<cstdlib>
|
|
|
|
using namespace std;
|
|
using namespace glm;
|
|
using namespace Assimp;
|
|
|
|
namespace vb01{
|
|
Mesh::Mesh(string path){
|
|
Importer importer;
|
|
const aiScene *scene=importer.ReadFile(path,aiProcess_Triangulate | aiProcess_FlipUVs | aiProcess_GenNormals);
|
|
if(!scene||scene->mFlags&AI_SCENE_FLAGS_INCOMPLETE||!scene->mRootNode){
|
|
cout<<"Failed to load model\n";
|
|
exit(-1);
|
|
}
|
|
construct();
|
|
}
|
|
|
|
Mesh::Mesh(){
|
|
|
|
}
|
|
|
|
Mesh::~Mesh(){}
|
|
|
|
void Mesh::construct(){
|
|
glGenVertexArrays(1,&VAO);
|
|
glGenBuffers(1,&VBO);
|
|
glGenBuffers(1,&EBO);
|
|
|
|
glBindVertexArray(VAO);
|
|
glBindBuffer(GL_ARRAY_BUFFER,VBO);
|
|
glBufferData(GL_ARRAY_BUFFER, 3*numTris*sizeof(Vertex), vertices, GL_STATIC_DRAW);
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,EBO);
|
|
glBufferData(GL_ELEMENT_ARRAY_BUFFER,3*numTris*sizeof(unsigned int),indices,GL_STATIC_DRAW);
|
|
|
|
glVertexAttribPointer(0,3,GL_FLOAT,GL_FALSE,sizeof(Vertex),(void*)0);
|
|
glEnableVertexAttribArray(0);
|
|
glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,sizeof(Vertex),(void*)(offsetof(Vertex,norm)));
|
|
glEnableVertexAttribArray(1);
|
|
glVertexAttribPointer(2,2,GL_FLOAT,GL_FALSE,sizeof(Vertex),(void*)(offsetof(Vertex,texCoords)));
|
|
glEnableVertexAttribArray(2);
|
|
|
|
}
|
|
|
|
void Mesh::update(){
|
|
Root *root=Root::getSingleton();
|
|
Camera *cam=root->getCamera();
|
|
float fov=cam->getFov(),width=root->getWidth(),height=root->getHeight();
|
|
float nearPlane=cam->getNearPlane(),farPlane=cam->getFarPlane();
|
|
Vector3 pos=node->getPosition();
|
|
Vector3 dir=cam->getDirection(),up=cam->getUp(),camPos=cam->getPosition();
|
|
|
|
mat4 model=translate(mat4(1.),vec3(pos.x,pos.y,pos.z));
|
|
model=rotate(model,38.f,vec3(1,0,0));
|
|
mat4 view=lookAt(vec3(camPos.x,camPos.y,camPos.z),vec3(camPos.x+dir.x,camPos.y+dir.y,camPos.z+dir.z),vec3(up.x,up.y,up.z));
|
|
mat4 proj=perspective(radians(fov),width/height,nearPlane,farPlane);
|
|
//proj=ortho(0.f,800.f,0.f,-600.f,nearPlane,farPlane);
|
|
|
|
material->update();
|
|
material->getShader()->setVec3(vec3(camPos.x,camPos.y,camPos.z),"camPos");
|
|
material->getShader()->setMat4(model,"model");
|
|
material->getShader()->setMat4(view,"view");
|
|
material->getShader()->setMat4(proj,"proj");
|
|
|
|
glBindVertexArray(VAO);
|
|
glDrawElements(GL_TRIANGLES,3*numTris,GL_UNSIGNED_INT,0);
|
|
}
|
|
}
|