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main.cpp
81 lines (71 loc) · 2.25 KB
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main.cpp
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#include <iostream>
#include "game.h"
#include "mesh.h"
#include "shader.h"
#include <GL/glu.h>
using namespace std;
int main()
{
Game game(800, 600, "Hello World", false);
Shader shader;
shader.Load("./res/shader");
Mesh mesh;
/*const GLfloat vertices[] = {
-0.5f, 0.5f, 1.0f, 1.0f, 0.0f, 0.0f, // Top-left
0.5f, 0.5f, 1.0f, 0.0f, 1.0f, 0.0f, // Top-right
0.5f, -0.5f, 1.0f, 0.0f, 0.0f, 1.0f, // Bottom-right
-0.5f, -0.5f, 1.0f, 1.0f, 1.0f, 1.0f // Bottom-left
};*/
Vertex vertices[] = { Vertex(glm::vec3(-0.5, 0.5, 1.0), glm::vec3(0.0, 1.0, 0.0)),
Vertex(glm::vec3(0.5, 0.5, 1.0), glm::vec3(1.0, 1.0, 0.0)),
Vertex(glm::vec3(0.5, -0.5, 1.0), glm::vec3(0.0, 0.0, 1.0)),
Vertex(glm::vec3(-0.5, -0.5, 1.0), glm::vec3(0.0, 0.0, 0.0)), };
///setup element array buffer
GLuint elements[] = {
0, 1, 2,
2, 3, 0,
};
GLuint ebo;
glGenBuffers(1, &ebo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ebo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER,
sizeof(elements), elements, GL_STATIC_DRAW);
cout << "Shader programID is: " << shader.GetProgramID() << endl;
mesh.Init(&vertices[0], 4, shader.GetProgramID());
GLenum errCode;
const GLubyte* errString;
errCode = glGetError();
if (errCode != GL_NO_ERROR)
{
cout << "GL error code: " << errCode << endl;
ofstream ofs;
ofs.open("glerror.txt");
ofs << errCode << endl;
ofs.close();
}
if(glIsProgram(shader.GetProgramID()) == GL_FALSE)
{
cout << "The program with id " << shader.GetProgramID() << " does not exist." << endl;
}
else
{
cout << "Shader with program id " << shader.GetProgramID() << " has been created." << endl;
}
float counter = 0.0f;
while(!game.isClosed)
{
game.PollInput();
game.GetWindow()->r = sinf(counter);
game.GetWindow()->g = cosf(counter);
game.GetWindow()->b = cosf(counter);
game.Update();
counter += 0.01f;
if(counter >= 360.0f)
{
counter = 0.0f;
}
}
glDeleteShader(shader.GetProgramID());
game.Quit();
return 0;
}