47 lines
1.1 KiB
C++
47 lines
1.1 KiB
C++
/*
|
|
* DoRayMe - a quick and dirty Raytracer
|
|
* Render test for chapter 5 "Put it together".
|
|
*
|
|
* Created by Manoël Trapier
|
|
* Copyright (c) 2020 986-Studio.
|
|
*
|
|
*/
|
|
#include <ray.h>
|
|
#include <sphere.h>
|
|
#include <colour.h>
|
|
#include <canvas.h>
|
|
#include <transformation.h>
|
|
|
|
int main()
|
|
{
|
|
int x, y;
|
|
Canvas c = Canvas(100, 100);
|
|
|
|
Sphere s = Sphere();
|
|
Colour red = Colour(1, 0, 0);
|
|
|
|
Point cameraOrigin = Point(0, 0, -5);
|
|
double wallDistance = 10;
|
|
double wallSize = 7;
|
|
double pixelSize = wallSize / c.width;
|
|
for(y = 0; y < c.height; y++)
|
|
{
|
|
double worldY = (wallSize / 2) - pixelSize * y;
|
|
for(x = 0; x < c.width; x++)
|
|
{
|
|
double worldX = -(wallSize / 2) + pixelSize * x;
|
|
Point position = Point(worldX, worldY, wallDistance);
|
|
Ray r = Ray(cameraOrigin, (position - cameraOrigin).normalise());
|
|
Intersect xs;
|
|
s.intersect(r, xs);
|
|
|
|
if (!xs.hit().nothing())
|
|
{
|
|
c.putPixel(x, y, red);
|
|
}
|
|
}
|
|
}
|
|
|
|
c.SaveAsPNG("ch5_test.png");
|
|
return 0;
|
|
} |