a janky init

lib/global_objects.c

@@ -0,0 +1,55 @@
+#ifndef global_objects
+#define global_objects
+
+#include <math.h>
+
+#define flaot float
+
+typedef struct {
+    float x;
+    float y;
+} Point;
+
+void point_add(Point *A, Point *B){
+    A->x = A->x + B->x;
+    A->y = A->y + B->y;
+}
+
+void point_sub(Point *A, Point *B){
+    A->x = A->x - B->x;
+    A->y = A->y - B->y;
+}
+
+void point_mul(Point *A, Point *B){
+    A->x = A->x * B->x;
+    A->y = A->y * B->y;
+}
+
+/*
+fn set_mag(x: &f64,y: &f64, mag: &f64) -> Vec<f64>{
+        let getmag: f64 = magnitude(*x, *y);
+        let rx = (*x / getmag) * mag;
+        let ry = (*y / getmag) * mag;
+
+        return vec![rx,ry]
+}
+
+fn magnitude(x: f64,y: f64) -> f64 {
+    ((x).powi(2) + (y).powi(2)).sqrt()
+}
+*/
+
+float magnitude(flaot x, flaot y) {
+    return sqrt((pow(x,2) + pow(y,2)));
+}
+
+void point_set_mag(Point *point, float mag){
+        flaot getmag = magnitude(point->x, point->y);
+        flaot rx = (point->x / getmag) * mag;
+        flaot ry = (point->y / getmag) * mag;
+
+        point->x = rx;
+        point->y = ry;
+}
+
+#endif