mainTextura.cpp

#include "Utilitarios.h"
#include "Vector3D.h"
#include "Point3D.h"
#include "Sphere.h"
#include "Triangle.h"
#include "GeometricObject.h"
#include "ViewPlane.h"
#include "Quadrilateral.h"
#include "Plane.h"
#include <iostream>
#include <ctime>
#include <cstdlib>
using namespace std;

int main()
{
    srand(time(NULL));
    //ESCENA------------------------------------------------------------------
    //ESFERAS
    vector<GeometricObject *> scene;
    Sphere earth = Sphere(Point3D(-270.0, 0.0, -1000.0), 200.0, ColorRGB(1.0, 1.0, 1.0));
    earth.setImTexture("./Texturas/jupiter.ppm");

    scene.push_back(&earth);

    Spotlight spotlight = Spotlight(1.0, 1.0, 1.0, 0.0, 0.0, -30.0);
    // Spotlight spotlight = Spotlight(0.5, 0.5, 0.5, 0.0, 0.0, -30.0);

    // VIEWPLANE
    int horizontalResolution = 1080;
    int verticalResolution = 720;
    double squareSize = 1.0;
    ViewPlane viewPlane(horizontalResolution, verticalResolution, squareSize);

    // UTILITARIO PARA GUARDAR IMAGEN -------------------------------------------------------------------
    int dpi = 72;
    int width = viewPlane.horizontalResolution;
    int height = viewPlane.verticalResolution;
    ColorRGB *pixeles = new ColorRGB[width * height];

    // ALGORITMO
    for (int rows = 0; rows < viewPlane.verticalResolution; rows++)
    {
        for (int cols = 0; cols < viewPlane.horizontalResolution; cols++)
        {
            // Disparar un rayo
            Vector3D direction(0.0, 0.0, -1.0);
            double x = viewPlane.squareSize * (cols - viewPlane.horizontalResolution / 2 + 0.5);
            double y = viewPlane.squareSize * (rows - viewPlane.verticalResolution / 2 + 0.5);
            double z = 0;
            Point3D origin(x, y, z);
            Ray ray(origin, direction);

            pixeles[rows * width + cols].red = getPixelColor(ray, scene, spotlight).red;
            pixeles[rows * width + cols].green = getPixelColor(ray, scene, spotlight).green;
            pixeles[rows * width + cols].blue = getPixelColor(ray, scene, spotlight).blue;
        }
    }
    savebmp("poof.bmp", width, height, dpi, pixeles);
    return 0;
}