diff --git a/src/helpers.c b/src/helpers.c
index 4a16040..3ed87d5 100644
--- a/src/helpers.c
+++ b/src/helpers.c
@@ -73,3 +73,16 @@ void engine_rendertarget_draw_file(char * fpath) {
 		y += 1;
 	}
 }
+
+void engine_position_2d_to_tex(struct ENGINE_VECTOR_TEX * pos, float x, float y, int width, int height, char clamp) {
+	width = width - 1;
+	height = height - 1;
+	pos->x = round(((float)width*0.5) + (((float)width*x) * 0.5));
+	pos->y = round(((float)height*0.5) + (((float)height*y) * 0.5));
+	if (clamp == 1) {
+		if (pos->x < 0) { pos->x = 0; }
+		if (pos->x > width) { pos->x = width; }
+		if (pos->y < 0) { pos->y = 0; }
+		if (pos->y > height) { pos->y = height; }
+	}
+}
diff --git a/src/lua_manual.c b/src/lua_manual.c
index 7f15930..5d988fd 100644
--- a/src/lua_manual.c
+++ b/src/lua_manual.c
@@ -80,6 +80,19 @@ int engine_luaf_3d_project(lua_State *L) {
 	return 2;
 }
 
+int engine_luaf_position_2d_to_tex(lua_State *L) {
+	float x = luaL_checknumber(L,1);
+	float y = luaL_checknumber(L,2);
+	int width = luaL_checknumber(L,3);
+	int height = luaL_checknumber(L,4);
+	int clamp = luaL_checknumber(L,5);
+	struct ENGINE_VECTOR_TEX pos;
+	engine_position_2d_to_tex(&pos,x,y,width,height,clamp);
+	lua_pushnumber(L,pos.x);
+	lua_pushnumber(L,pos.y);
+	return 2;
+}
+
 void engine_lua_init_manual() {
 	lua_pushcfunction(engine_lua_state,engine_luaf_lua_event_get_data);
 	lua_setglobal    (engine_lua_state,"engine_lua_event_get_data");
@@ -93,4 +106,6 @@ void engine_lua_init_manual() {
 	lua_setglobal    (engine_lua_state,"engine_3d_rotate_position");
 	lua_pushcfunction(engine_lua_state,engine_luaf_3d_project);
 	lua_setglobal    (engine_lua_state,"engine_3d_project");
+	lua_pushcfunction(engine_lua_state,engine_luaf_position_2d_to_tex);
+	lua_setglobal    (engine_lua_state,"engine_position_2d_to_tex");
 }
diff --git a/src/values/functions.toml b/src/values/functions.toml
index 285c70e..8bfa9e9 100644
--- a/src/values/functions.toml
+++ b/src/values/functions.toml
@@ -89,6 +89,14 @@ arguments =   ["char *"]
 argNames =    ["fpath"]
 description = "Draw a file into the target."
 
+# POSITION
+[engine_position_2d_to_tex]
+type = "void"
+arguments =   ["struct ENGINE_VECTOR_TEXTURE *","float","float","int",  "int",   "char"]
+argNames =    ["pos",                           "x",    "y",    "width","height","clamp"]
+description = "Convert 2D coordinates (range -1 = top/left, 1 = bottom/right) to ENGINE_VECTOR_TEXTURE. If clamp is set to 1, coordinates may not be less than 0, or more than width-1/height-1. Output is put into pos pointer. Pointer not required in Lua."
+lua = "manual"
+
 # TIME
 [engine_time_sleep]
 type = "void"