diffuses raytracing implementiert

2026-07-30 00:23:47 +02:00
parent caced0f81e
commit f4a36fc98d
6 changed files with 95 additions and 46 deletions
@@ -0,0 +1,24 @@
+//
+// Created by ary on 29.07.2026.
+//
+
+#include "helper.h"
+#include <stdlib.h>
+#include <math.h>
+#include "structs.h"
+
+vec3 randUnitVector() {
+    double x1,x2,lengthSquared;
+    do {
+        x1 = (rand() / (double) RAND_MAX) * 2 - 1; //random zahl zwischen -1 und 1
+        x2 = (rand() / (double) RAND_MAX) * 2 - 1;
+        lengthSquared = x1 * x1 + x2 * x2;
+    }while (lengthSquared >= 1);
+
+    double weirdFactor = 2.0 * sqrt(1.0 - lengthSquared);
+    return (vec3){
+        x1 * weirdFactor,
+        x2 * weirdFactor,
+        1.0 - 2.0 * lengthSquared};
+}
+