Begin cross platform support

src/engine/point.h

@@ -0,0 +1,17 @@
+#ifndef POINT_H
+#define POINT_H
+
+#include "../utils/screen.h"
+
+typedef struct Point {
+  float coordinates[3];
+} Point;
+
+void point_transform(Point *const point, int size,
+                     const float translate_matrix[size][size]);
+void point_create_translate_matrix(const Point *const position,
+                                   float translate_matrix[4][4], int k);
+ScreenPoint point_convert_to_screen_point(Point *point, Screen *screen,
+                                          const float render_matrix[4][4]);
+
+#endif