Added bounds checking for triangles.

src/tect.c

@@ -0,0 +1,9 @@
+#include "include/tect.h"
+#include "include/gen.h"
+#include "include/geom.h"
+
+Vec2* tect_asth_vals(Plate p) {
+    Vec2 buf[WORLD_SZ * WORLD_SZ];
+    for (int i = 0; i < p.ntris; i++) {}
+    return buf;
+}