int main()
{
int width = 500;
int height = 500;
sf::RenderWindow window(sf::VideoMode(width,height),"soft-renderer");
if(glewInit()!=GLEW_OK){
cout << "error in glew";
return 0;
}
initialize();
VertexShader *vs = new VertexShader ;
vs->setIterationCompute(&iterationCompute);
vs->setIterationTimes(times);
FragShader *fs = new FragShader;
fs->setIterationCompute(&FragShaderIterCompute);
Pipeline::Config config;
config.height = height;
config.width = width;
config.primitiveType = TRIANGLES;
config.clearColor = glm::vec3(0.5f,0.0f,0.0f);
Pipeline pl;
pl.setConfig(config);
pl.attachVertShader(vs);
pl.attachFragShader(fs);
pl.render();
// sf::Clock clock;
// clock.restart();
while(window.isOpen()){
sf::Event event;
while(window.pollEvent(event)){
if(event.type == sf::Event::MouseButtonPressed){
int x = event.mouseButton.x;
int y = event.mouseButton.y;
vector< unsigned char > pixels( 1 * 1 * 4 );
glReadPixels(x,height-y,1,1,GL_RGBA,
GL_UNSIGNED_BYTE,
&pixels[0]);
cout << "r: " << (int)pixels[0] << endl;
cout << "g: " << (int)pixels[1] << endl;
cout << "b: " << (int)pixels[2] << endl;
cout << "a: " << (int)pixels[3] << endl;
cout << endl;
cout << "x: " << x << endl;
cout << "y: " << 800-y << endl;
cout << endl;
}
if (event.type == sf::Event::Closed) {
window.close();
}
if (event.type == sf::Event::Resized)
{
// adjust the viewport when the window is resized
glViewport(0, 0, event.size.width, event.size.height);
}
if (event.type == sf::Event::KeyPressed) {
glm::vec4 col(0);
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Left))
{
col.x -= 0.05f;
}
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Right))
{
col.x += 0.05f;
}
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Up))
{
col.y += 0.05f;
}
if (sf::Keyboard::isKeyPressed(sf::Keyboard::Down))
{
col.y -= 0.05f;
}
glm::mat4 translate = glm::translate(glm::mat4(1),vec3(col));
MVP = translate * MVP;
pl.update();
}
glDrawPixels(width,height,GL_RGB,GL_FLOAT,pl.getColorBuffer());
window.display();
}
// float fps = 1.f / clock.getElapsedTime().asSeconds();
// std::cout << "fps" << fps << std::endl;
// clock.restart();
}
delete vs;
delete fs;
return 0;
}
